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diff --git a/.gitignore b/.gitignore index a5f66a9d..3bcf7b3f 100644 --- a/.gitignore +++ b/.gitignore @@ -1,2 +1,4 @@ -static/ -*.JPG +/build +/clone +/git +/trash diff --git a/agpl.c b/agpl.c new file mode 100644 index 00000000..e7682757 --- /dev/null +++ b/agpl.c @@ -0,0 +1,19 @@ +/* Copyright (C) 2024 June McEnroe <june@causal.agency> + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <err.h> +#include <stdio.h> +#include <stdlib.h> diff --git a/bin/.gitignore b/bin/.gitignore new file mode 100644 index 00000000..42269bac --- /dev/null +++ b/bin/.gitignore @@ -0,0 +1,37 @@ +*.html +*.o +beef +bibsort +bit +c +config.mk +dehtml +downgrade +dtch +enc +ever +freecell +git-comment +glitch +hilex +htagml +htmltags +modem +mtags +nudge +order +pbd +pngo +psf2png +ptee +qf +quick +relay +scheme +shotty +sup +tags +title +up +when +xx diff --git a/bin/LICENSE b/bin/LICENSE new file mode 100644 index 00000000..dba13ed2 --- /dev/null +++ b/bin/LICENSE @@ -0,0 +1,661 @@ + GNU AFFERO GENERAL PUBLIC LICENSE + Version 3, 19 November 2007 + + Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/> + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + + Preamble + + The GNU Affero General Public License is a free, copyleft license for +software and other kinds of works, specifically designed to ensure +cooperation with the community in the case of network server software. + + The licenses for most software and other practical works are designed +to take away your freedom to share and change the works. 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It is safest +to attach them to the start of each source file to most effectively +state the exclusion of warranty; and each file should have at least +the "copyright" line and a pointer to where the full notice is found. + + <one line to give the program's name and a brief idea of what it does.> + Copyright (C) <year> <name of author> + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU Affero General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU Affero General Public License for more details. + + You should have received a copy of the GNU Affero General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. + +Also add information on how to contact you by electronic and paper mail. + + If your software can interact with users remotely through a computer +network, you should also make sure that it provides a way for users to +get its source. For example, if your program is a web application, its +interface could display a "Source" link that leads users to an archive +of the code. There are many ways you could offer source, and different +solutions will be better for different programs; see section 13 for the +specific requirements. + + You should also get your employer (if you work as a programmer) or school, +if any, to sign a "copyright disclaimer" for the program, if necessary. +For more information on this, and how to apply and follow the GNU AGPL, see +<http://www.gnu.org/licenses/>. diff --git a/bin/Makefile b/bin/Makefile new file mode 100644 index 00000000..bb1535d6 --- /dev/null +++ b/bin/Makefile @@ -0,0 +1,142 @@ +PREFIX ?= ~/.local +MANDIR ?= ${PREFIX}/share/man + +LIBS_PREFIX ?= /usr/local +CFLAGS += -I${LIBS_PREFIX}/include +LDFLAGS += -L${LIBS_PREFIX}/lib + +CFLAGS += -Wall -Wextra -Wpedantic -Wno-gnu-case-range + +BINS += beef +BINS += bibsort +BINS += bit +BINS += c +BINS += dehtml +BINS += dtch +BINS += enc +BINS += git-comment +BINS += glitch +BINS += hilex +BINS += htagml +BINS += modem +BINS += mtags +BINS += nudge +BINS += order +BINS += pbd +BINS += pngo +BINS += psf2png +BINS += ptee +BINS += qf +BINS += quick +BINS += scheme +BINS += shotty +BINS += sup +BINS += title +BINS += up +BINS += when +BINS += xx + +BSD += ever + +GAMES += freecell + +TLS += downgrade +TLS += relay + +MANS = ${BINS:%=man1/%.1} +MANS.BSD = ${BSD:%=man1/%.1} +MANS.GAMES = ${GAMES:%=man6/%.6} +MANS.TLS = ${TLS:%=man1/%.1} + +LDLIBS.downgrade = -ltls +LDLIBS.dtch = -lutil +LDLIBS.fbclock = -lz +LDLIBS.freecell = -lcurses +LDLIBS.glitch = -lz +LDLIBS.modem = -lutil +LDLIBS.pngo = -lz +LDLIBS.ptee = -lutil +LDLIBS.qf = -lcurses +LDLIBS.relay = -ltls +LDLIBS.scheme = -lm +LDLIBS.title = -lcurl +LDLIBS.typer = -ltls + +ALL ?= meta any + +-include config.mk + +all: ${ALL} + +meta: .gitignore tags + +any: ${BINS} + +bsd: ${BSD} + +games: ${GAMES} + +tls: ${TLS} + +IGNORE = *.o *.html +IGNORE += ${BINS} ${BSD} ${GAMES} ${TLS} +IGNORE += tags htmltags + +.gitignore: Makefile + echo config.mk '${IGNORE}' | tr ' ' '\n' | sort > $@ + +tags: *.[chly] + ctags -w *.[chly] + +clean: + rm -f ${IGNORE} + +install: ${ALL:%=install-%} + +install-meta: + install -d ${PREFIX}/bin ${MANDIR}/man1 + +install-any: install-meta ${BINS} ${MANS} + install ${BINS} ${PREFIX}/bin + install -m 644 ${MANS} ${MANDIR}/man1 + +install-bsd: install-meta ${BSD} ${MANS.BSD} + install ${BSD} ${PREFIX}/bin + install -m 644 ${MANS.BSD} ${MANDIR}/man1 + +install-games: install-meta ${GAMES} ${MANS.GAMES} + install ${GAMES} ${PREFIX}/bin + install -m 644 ${MANS.GAMES} ${MANDIR}/man6 + +install-tls: install-meta ${TLS} ${MANS.TLS} + install ${TLS} ${PREFIX}/bin + install -m 644 ${MANS.TLS} ${MANDIR}/man1 + +uninstall: + rm -f ${BINS:%=${PREFIX}/bin/%} ${MANS:%=${MANDIR}/%} + rm -f ${BSD:%=${PREFIX}/bin/%} ${MANS.BSD:%=${MANDIR}/%} + rm -f ${GAMES:%=${PREFIX}/bin/%} ${MANS.GAMES:%=${MANDIR}/%} + rm -f ${TLS:%=${PREFIX}/bin/%} ${MANS.TLS:%=${MANDIR}/%} + +.SUFFIXES: .pl + +.c: + ${CC} ${CFLAGS} ${LDFLAGS} $< ${LDLIBS.$@} -o $@ + +.o: + ${CC} ${LDFLAGS} $< ${LDLIBS.$@} -o $@ + +.pl: + cp -f $< $@ + chmod a+x $@ + +OBJS.hilex = c11.o hilex.o make.o mdoc.o sh.o + +hilex: ${OBJS.hilex} + ${CC} ${LDFLAGS} ${OBJS.$@} ${LDLIBS.$@} -o $@ + +${OBJS.hilex}: hilex.h + +psf2png.o scheme.o: png.h + +include html.mk diff --git a/bin/README.7 b/bin/README.7 new file mode 100644 index 00000000..100e183e --- /dev/null +++ b/bin/README.7 @@ -0,0 +1,89 @@ +.Dd June 2, 2022 +.Dt BIN 7 +.Os "Causal Agency" +. +.Sh NAME +.Nm bin +.Nd various utilities +. +.Sh DESCRIPTION +Various tools primarily targeting +.Fx , +.Ox +and macOS. +. +.Pp +.Bl -tag -width "git-comment(1)" -compact +.It Xr beef 1 +Befunge-93 interpreter +.It Xr bibsort 1 +reformat bibliography +.It Xr bit 1 +calculator +.It Xr c 1 +run C statements +.It Xr dehtml 1 +extract text from HTML +.It Xr downgrade 1 +IRC features for all +.It Xr dtch 1 +detached sessions +.It Xr enc 1 +encrypt and decrypt files +.It Xr ever 1 +watch files +.It Xr freecell 6 +patience game +.It Xr git-comment 1 +add commit comments +.It Xr glitch 1 +PNG glitcher +.It Xr hilex 1 +syntax highlighter +.It Xr htagml 1 +tags HTMLizer +.It Xr modem 1 +fixed baud rate wrapper +.It Xr mtags 1 +miscellaneous tags +.It Xr nudge 1 +terminal vibrator +.It Xr order 1 +operator precedence +.It Xr pbd 1 +macOS pasteboard daemon +.It Xr pngo 1 +PNG optimizer +.It Xr psf2png 1 +PSF2 to PNG renderer +.It Xr ptee 1 +tee for PTYs +.It Xr qf 1 +grep pager +.It Xr quick 1 +terrible HTTP/CGI server +.It Xr relay 1 +IRC relay bot +.It Xr scheme 1 +color scheme +.It Xr shotty 1 +terminal capture +.It Xr sup 1 +single-use passwords +.It Xr title 1 +page titles +.It Xr up 1 +upload file +.It Xr when 1 +date calculator +.It Xr xx 1 +hexdump +.El +. +.Pp +One piece of reused code. +.Pp +.Bl -tag -width "png(3)" -compact +.It Xr png 3 +basic PNG output +.El diff --git a/bin/beef.c b/bin/beef.c new file mode 100644 index 00000000..556f3088 --- /dev/null +++ b/bin/beef.c @@ -0,0 +1,141 @@ +/* Copyright (C) 2019 June McEnroe <june@causal.agency> + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <err.h> +#include <stdbool.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sysexits.h> +#include <time.h> + +enum { + Cols = 80, + Rows = 25, +}; +static char page[Rows][Cols]; + +static char get(int y, int x) { + if (y < 0 || y >= Rows) return 0; + if (x < 0 || x >= Cols) return 0; + return page[y][x]; +} +static void put(int y, int x, char v) { + if (y < 0 || y >= Rows) return; + if (x < 0 || x >= Cols) return; + page[y][x] = v; +} + +enum { StackLen = 1024 }; +static long stack[StackLen]; +static size_t top = StackLen; + +static void push(long val) { + if (!top) errx(EX_SOFTWARE, "stack overflow"); + stack[--top] = val; +} +static long pop(void) { + if (top == StackLen) return 0; + return stack[top++]; +} + +static struct { + int y, x; + int dy, dx; +} pc = { .dx = 1 }; + +static void inc(void) { + pc.y += pc.dy; + pc.x += pc.dx; + if (pc.y == -1) pc.y += Rows; + if (pc.x == -1) pc.x += Cols; + if (pc.y == Rows) pc.y -= Rows; + if (pc.x == Cols) pc.x -= Cols; +} + +static bool string; + +static bool step(void) { + char ch = page[pc.y][pc.x]; + + if (ch == '"') { + string ^= true; + } else if (string) { + push(ch); + inc(); + return true; + } + + if (ch == '?') ch = "><^v"[rand() % 4]; + + long x, y, v; + switch (ch) { + break; case '+': push(pop() + pop()); + break; case '-': y = pop(); x = pop(); push(x - y); + break; case '*': push(pop() * pop()); + break; case '/': y = pop(); x = pop(); push(x / y); + break; case '%': y = pop(); x = pop(); push(x % y); + break; case '!': push(!pop()); + break; case '`': y = pop(); x = pop(); push(x > y); + break; case '>': pc.dy = 0; pc.dx = +1; + break; case '<': pc.dy = 0; pc.dx = -1; + break; case '^': pc.dy = -1; pc.dx = 0; + break; case 'v': pc.dy = +1; pc.dx = 0; + break; case '_': pc.dy = 0; pc.dx = (pop() ? -1 : +1); + break; case '|': pc.dx = 0; pc.dy = (pop() ? -1 : +1); + break; case ':': x = pop(); push(x); push(x); + break; case '\\': y = pop(); x = pop(); push(y); push(x); + break; case '$': pop(); + break; case '.': printf("%ld ", pop()); fflush(stdout); + break; case ',': printf("%c", (char)pop()); fflush(stdout); + break; case '#': inc(); + break; case 'g': y = pop(); x = pop(); push(get(y, x)); + break; case 'p': y = pop(); x = pop(); v = pop(); put(y, x, v); + break; case '&': x = EOF; scanf("%ld", &x); push(x); + break; case '~': push(getchar()); + break; case '@': return false; + break; default: if (ch >= '0' && ch <= '9') push(ch - '0'); + } + + inc(); + return true; +} + +int main(int argc, char *argv[]) { + srand(time(NULL)); + memset(page, ' ', sizeof(page)); + + FILE *file = stdin; + if (argc > 1) { + file = fopen(argv[1], "r"); + if (!file) err(EX_NOINPUT, "%s", argv[1]); + } + + int y = 0; + char *line = NULL; + size_t cap = 0; + while (y < Rows && 0 < getline(&line, &cap, file)) { + for (int x = 0; x < Cols; ++x) { + if (line[x] == '\n' || !line[x]) break; + page[y][x] = line[x]; + } + y++; + } + free(line); + + while (step()); + return pop(); +} diff --git a/bin/bibsort.pl b/bin/bibsort.pl new file mode 100644 index 00000000..a4a8956a --- /dev/null +++ b/bin/bibsort.pl @@ -0,0 +1,69 @@ +#!/usr/bin/env perl +use strict; +use warnings; + +while (<>) { + print; + last if /^[.]Sh STANDARDS$/; +} + +my ($ref, @refs); +while (<>) { + next if /^[.](Bl|It|$)/; + last if /^[.]El$/; + if (/^[.]Rs$/) { + $ref = {}; + } elsif (/^[.]%(.) (.*)/) { + $ref->{$1} = [] unless $ref->{$1}; + push @{$ref->{$1}}, $2; + } elsif (/^[.]Re$/) { + push @refs, $ref; + } else { + print; + } +} + +sub byLast { + my ($af, $al) = split /\s(\S+)(,.*)?$/, $a; + my ($bf, $bl) = split /\s(\S+)(,.*)?$/, $b; + ($al // $af) cmp ($bl // $bf) || $af cmp $bf; +} + +foreach $ref (@refs) { + @{$ref->{A}} = sort byLast @{$ref->{A}}; + @{$ref->{Q}} = sort @{$ref->{Q}} if $ref->{Q}; + if ($ref->{N} && $ref->{N}[0] =~ /RFC/) { + $ref->{R} = $ref->{N}; + delete $ref->{N}; + } + if ($ref->{R} && $ref->{R}[0] =~ /RFC (\d+)/ && !$ref->{U}) { + $ref->{U} = ["https://tools.ietf.org/html/rfc${1}"]; + } +} + +sub byAuthor { + my ($ta, $tb) = ($a->{T}[0], $b->{T}[0]); + local ($a, $b) = ($a->{A}[0], $b->{A}[0]); + byLast() || $ta cmp $tb; +} + +{ + local ($,, $\) = (' ', "\n"); + print '.Bl', '-item'; + foreach $ref (sort byAuthor @refs) { + print '.It'; + print '.Rs'; + foreach my $key (qw(A T B I J R N V U P Q C D O)) { + next unless $ref->{$key}; + foreach (@{$ref->{$key}}) { + print ".%${key}", $_; + } + } + print '.Re'; + } + print '.El'; +} + +while (<>) { + print; +} diff --git a/bin/bit.y b/bin/bit.y new file mode 100644 index 00000000..1119bce6 --- /dev/null +++ b/bin/bit.y @@ -0,0 +1,202 @@ +/* Copyright (C) 2019 June McEnroe <june@causal.agency> + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +%{ + +#include <ctype.h> +#include <err.h> +#include <inttypes.h> +#include <stdint.h> +#include <stdio.h> +#include <stdlib.h> +#include <sysexits.h> + +#define MASK(b) ((1ULL << (b)) - 1) + +#define YYSTYPE uint64_t + +static int yylex(void); +static void yyerror(const char *str); +static void print(uint64_t val); + +static uint64_t vars[128]; + +%} + +%token Int Var + +%left '$' +%right '=' +%left '|' +%left '^' +%left '&' +%left Shl Shr Sar +%left '+' '-' +%left '*' '/' '%' +%right '~' +%left 'K' 'M' 'G' 'T' + +%% + +stmt: + | stmt expr '\n' { print(vars['_'] = $2); printf("\n"); } + | stmt expr ',' { print(vars['_'] = $2); } + | stmt '\n' + ; + +expr: + Int + | Var { $$ = vars[$1]; } + | '(' expr ')' { $$ = $2; } + | expr 'K' { $$ = $1 << 10; } + | expr 'M' { $$ = $1 << 20; } + | expr 'G' { $$ = $1 << 30; } + | expr 'T' { $$ = $1 << 40; } + | '~' expr { $$ = ~$2; } + | '&' expr %prec '~' { $$ = MASK($2); } + | '+' expr %prec '~' { $$ = +$2; } + | '-' expr %prec '~' { $$ = -$2; } + | expr '*' expr { $$ = $1 * $3; } + | expr '/' expr { $$ = $1 / $3; } + | expr '%' expr { $$ = $1 % $3; } + | expr '+' expr { $$ = $1 + $3; } + | expr '-' expr { $$ = $1 - $3; } + | expr Shl expr { $$ = $1 << $3; } + | expr Shr expr { $$ = $1 >> $3; } + | expr Sar expr { $$ = (int64_t)$1 >> $3; } + | expr '&' expr { $$ = $1 & $3; } + | expr '^' expr { $$ = $1 ^ $3; } + | expr '|' expr { $$ = $1 | $3; } + | Var '=' expr { $$ = vars[$1] = $3; } + | expr '$' { $$ = $1; } + ; + +%% + +static int lexInt(uint64_t base) { + yylval = 0; + for (int ch; EOF != (ch = getchar());) { + uint64_t digit = base; + if (ch == '_') { + continue; + } else if (isdigit(ch)) { + digit = ch - '0'; + } else if (isxdigit(ch)) { + digit = 0xA + toupper(ch) - 'A'; + } + if (digit >= base) { + ungetc(ch, stdin); + return Int; + } + yylval *= base; + yylval += digit; + } + return Int; +} + +static int yylex(void) { + int ch; + while (isblank(ch = getchar())); + if (ch == '\'') { + yylval = 0; + while (EOF != (ch = getchar()) && ch != '\'') { + yylval <<= 8; + yylval |= ch; + } + return Int; + } else if (ch == '0') { + ch = getchar(); + if (ch == 'b') { + return lexInt(2); + } else if (ch == 'x') { + return lexInt(16); + } else { + ungetc(ch, stdin); + return lexInt(8); + } + } else if (isdigit(ch)) { + ungetc(ch, stdin); + return lexInt(10); + } else if (ch == '_' || islower(ch)) { + yylval = ch; + return Var; + } else if (ch == '<') { + char ne = getchar(); + if (ne == '<') { + return Shl; + } else { + ungetc(ne, stdin); + return ch; + } + } else if (ch == '-' || ch == '>') { + char ne = getchar(); + if (ne == '>') { + return (ch == '-' ? Sar : Shr); + } else { + ungetc(ne, stdin); + return ch; + } + } else { + return ch; + } +} + +static void yyerror(const char *str) { + warnx("%s", str); +} + +static const char *Codes[128] = { + "NUL", "SOH", "STX", "ETX", "EOT", "ENQ", "ACK", "BEL", + "BS", "HT", "NL", "VT", "NP", "CR", "SO", "SI", + "DLE", "DC1", "DC2", "DC3", "DC4", "NAK", "SYN", "ETB", + "CAN", "EM", "SUB", "ESC", "FS", "GS", "RS", "US", + [127] = "DEL", +}; + +static void print(uint64_t val) { + int bits = val > UINT32_MAX ? 64 + : val > UINT16_MAX ? 32 + : val > UINT8_MAX ? 16 + : 8; + printf("0x%0*"PRIX64" %"PRId64"", bits >> 2, val, (int64_t)val); + if (bits == 8) { + char bin[9] = {0}; + for (int i = 0; i < 8; ++i) { + bin[i] = '0' + (val >> (7 - i) & 1); + } + printf(" %#"PRIo64" 0b%s", val, bin); + } + if (val < 128) { + if (isprint(val)) printf(" '%c'", (char)val); + if (Codes[val]) printf(" %s", Codes[val]); + } + if (val) { + if (!(val & MASK(40))) { + printf(" %"PRIu64"T", val >> 40); + } else if (!(val & MASK(30))) { + printf(" %"PRIu64"G", val >> 30); + } else if (!(val & MASK(20))) { + printf(" %"PRIu64"M", val >> 20); + } else if (!(val & MASK(10))) { + printf(" %"PRIu64"K", val >> 10); + } + } + printf("\n"); +} + +int main(void) { + while (yyparse()); +} diff --git a/bin/c.sh b/bin/c.sh new file mode 100644 index 00000000..ff059437 --- /dev/null +++ b/bin/c.sh @@ -0,0 +1,121 @@ +#!/bin/sh +set -eu + +temp=$(mktemp -d) +trap 'rm -r "${temp}"' EXIT + +exec 3>>"${temp}/run.c" + +cat >&3 <<EOF +#include <assert.h> +#include <ctype.h> +#include <errno.h> +#include <inttypes.h> +#include <limits.h> +#include <locale.h> +#include <math.h> +#include <stdbool.h> +#include <stdint.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <time.h> +#include <wchar.h> +#include <wctype.h> + +#include <dirent.h> +#include <fcntl.h> +#include <strings.h> +#include <unistd.h> +EOF + +expr= +type= +while getopts 'e:i:t' opt; do + case "${opt}" in + (e) expr=$OPTARG;; + (i) echo "#include <${OPTARG}>" >&3;; + (t) type=1;; + (?) exit 1;; + esac +done +shift $((OPTIND - 1)) + +cat >&3 <<EOF +int main(int argc, char *argv[]) { + (void)argc; + (void)argv; + $*; +EOF + +if [ -n "${type}" ]; then + cat >&3 <<EOF + printf( + _Generic( + ${expr}, + char: "(char) ", + char *: "(char *) ", + const char *: "(const char *) ", + wchar_t *: "(wchar_t *) ", + const wchar_t *: "(const wchar_t *) ", + signed char: "(signed char) ", + short: "(short) ", + int: "(int) ", + long: "(long) ", + long long: "(long long) ", + unsigned char: "(unsigned char) ", + unsigned short: "(unsigned short) ", + unsigned int: "(unsigned int) ", + unsigned long: "(unsigned long) ", + unsigned long long: "(unsigned long long) ", + float: "(float) ", + double: "(double) ", + long double: "(long double) ", + default: "(void *) " + ) + ); +EOF +fi + +if [ -n "${expr}" ]; then + cat >&3 <<EOF + printf( + _Generic( + ${expr}, + char: "%c\n", + char *: "%s\n", + const char *: "%s\n", + wchar_t *: "%ls\n", + const wchar_t *: "%ls\n", + signed char: "%hhd\n", + short: "%hd\n", + int: "%d\n", + long: "%ld\n", + long long: "%lld\n", + unsigned char: "%hhu\n", + unsigned short: "%hu\n", + unsigned int: "%u\n", + unsigned long: "%lu\n", + unsigned long long: "%llu\n", + float: "%g\n", + double: "%g\n", + long double: "%Lg\n", + default: "%p\n" + ), + ${expr} + ); +EOF +fi + +if [ $# -eq 0 -a -z "${expr}" ]; then + cat >&3 +fi + +echo '}' >&3 + +cat >"${temp}/Makefile" <<EOF +CFLAGS += -Wall -Wextra -Wpedantic +EOF + +make -s -C "${temp}" run +"${temp}/run" diff --git a/bin/c11.l b/bin/c11.l new file mode 100644 index 00000000..b1f0b960 --- /dev/null +++ b/bin/c11.l @@ -0,0 +1,144 @@ +/* Copyright (C) 2020 June McEnroe <june@causal.agency> + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +%option prefix="c11" +%option noinput nounput noyywrap + +%{ +#include "hilex.h" +%} + +%s MacroLine MacroInclude +%x CharLiteral StringLiteral + +ident [_[:alpha:]][_[:alnum:]]* +width "*"|[0-9]+ + +%% + static int pop = INITIAL; + +[[:blank:]]+ { return Normal; } + +^"%"[%{}]? { + BEGIN(pop = MacroLine); + return Macro; +} + +([-+*/%&|^=!<>]|"<<"|">>")"="? | +[=~.?:]|"["|"]"|"++"|"--"|"&&"|"||"|"->" | +sizeof|(_A|alignof) { + return Operator; +} + +([1-9][0-9]*|"0"[0-7]*|"0x"[[:xdigit:]]+)([ulUL]{0,3}) | +([0-9]+("."[0-9]*)?|[0-9]*"."[0-9]+)([eE][+-]?[0-9]+)?[flFL]? | +"0x"[[:xdigit:]]*("."[[:xdigit:]]*)?([pP][+-]?[0-9]+)[flFL]? { + return Number; +} + +auto|break|case|const|continue|default|do|else|enum|extern|for|goto|if|inline | +register|restrict|return|static|struct|switch|typedef|union|volatile|while | +(_A|a)lignas|_Atomic|_Generic|(_N|n)oreturn|(_S|s)tatic_assert | +(_T|t)hread_local { + return Keyword; +} + +^"#"[[:blank:]]*(include|import) { + BEGIN(pop = MacroInclude); + return Macro; +} +^"#"[[:blank:]]*{ident} { + BEGIN(pop = MacroLine); + return Macro; +} +<MacroInclude>"<"[^>]+">" { + return String; +} +<MacroLine,MacroInclude>{ + "\n" { + BEGIN(pop = INITIAL); + return Normal; + } + "\\\n" { return Macro; } + {ident} { return Macro; } +} + +{ident} { return Ident; } + +"//"([^\n]|"\\\n")* | +"/*"([^*]|"*"+[^*/])*"*"+"/" { + return Comment; +} + +[LUu]?"'"/[^\\] { + BEGIN(CharLiteral); + yymore(); +} +[LUu]?"'" { + BEGIN(CharLiteral); + return String; +} +([LU]|u8?)?"\""/[^\\%] { + BEGIN(StringLiteral); + yymore(); +} +([LU]|u8?)?"\"" { + BEGIN(StringLiteral); + return String; +} + +<CharLiteral,StringLiteral>{ + "\\\n" | + "\\"[''""?\\abfnrtv] | + "\\"([0-7]{1,3}) | + "\\x"([[:xdigit:]]{2}) | + "\\u"([[:xdigit:]]{4}) | + "\\U"([[:xdigit:]]{8}) { + return Escape; + } +} +<StringLiteral>{ + "%%" | + "%"[EO]?[ABCDFGHIMRSTUVWXYZabcdeghjmnprtuwxyz] | + "%"[ #+-0]*{width}?("."{width})?([Lhjltz]|hh|ll)?[AEFGXacdefginopsux] { + return Format; + } +} + +<CharLiteral>{ + [^\\'']*"'" { + BEGIN(pop); + return String; + } + [^\\'']+|. { return String; } +} +<StringLiteral>{ + [^%\\""]*"\"" { + BEGIN(pop); + return String; + } + [^%\\""]+|. { return String; } +} + +<MacroLine,MacroInclude>. { + return Macro; +} + +.|\n { return Normal; } + +%% + +const struct Lexer LexC = { yylex, &yyin, &yytext }; diff --git a/bin/dehtml.l b/bin/dehtml.l new file mode 100644 index 00000000..799f0926 --- /dev/null +++ b/bin/dehtml.l @@ -0,0 +1,150 @@ +/* Copyright (C) 2021 June McEnroe <june@causal.agency> + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +%option noinput nounput noyywrap + +%{ +enum Token { + Doctype = 1, + Comment, + TagOpen, + TagClose, + Entity, + Text, + Space, +}; +%} + +%% + +"<!DOCTYPE "[^>]*">" { return Doctype; } +"<!--"([^-]|-[^-]|--[^>])*"-->" { return Comment; } +"</"[^>]*">" { return TagClose; } +"<"[^>]*">" { return TagOpen; } +"&"[^;]*";" { return Entity; } +[^<&[:space:]]+ { return Text; } +[[:space:]]+ { return Space; } + +%% + +#include <err.h> +#include <locale.h> +#include <stdbool.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <strings.h> +#include <sysexits.h> +#include <unistd.h> +#include <wchar.h> + +static const struct { + wchar_t ch; + const char *name; +} Entities[] = { + { L'&', "&" }, + { L'<', "<" }, + { L'>', ">" }, + { L'"', """ }, + { L' ', " " }, + { L'\u00A9', "©" }, + { L'\u00B7', "·" }, + { L'\u00BB', "»" }, + { L'\u200F', "‏" }, + { L'\u2014', "—" }, + { L'\u2191', "↑" }, +}; + +static void entity(void) { + wchar_t ch = 0; + if (yytext[1] == '#') { + if (yytext[2] == 'x') { + ch = strtoul(&yytext[3], NULL, 16); + } else { + ch = strtoul(&yytext[2], NULL, 10); + } + } else { + for (size_t i = 0; i < sizeof(Entities) / sizeof(Entities[0]); ++i) { + if (strcmp(Entities[i].name, yytext)) continue; + ch = Entities[i].ch; + break; + } + } + if (ch) { + printf("%lc", (wint_t)ch); + } else { + warnx("unknown entity %s", yytext); + printf("%s", yytext); + } +} + +static bool isTag(const char *tag) { + const char *ptr = &yytext[1]; + if (*ptr == '/') ptr++; + size_t len = strlen(tag); + if (strncasecmp(ptr, tag, len)) return false; + ptr += len; + return *ptr == ' ' || *ptr == '>'; +} + +int main(int argc, char *argv[]) { + setlocale(LC_CTYPE, ""); + + bool collapse = 0; + for (int opt; 0 < (opt = getopt(argc, argv, "s"));) { + switch (opt) { + break; case 's': collapse = true; + break; default: return EX_USAGE; + } + } + argc -= optind; + argv += optind; + + if (!argc) argc++; + for (int i = 0; i < argc; ++i) { + yyin = (argv[i] ? fopen(argv[i], "r") : stdin); + if (!yyin) err(EX_NOINPUT, "%s", argv[i]); + + bool space = true; + bool discard = false; + bool pre = false; + for (enum Token tok; (tok = yylex());) { + if (tok == TagOpen || tok == TagClose) { + if (isTag("title") || isTag("style") || isTag("script")) { + discard = (tok == TagOpen); + } else if (isTag("pre")) { + pre = (tok == TagOpen); + } + } else if (discard) { + continue; + } else if (tok == Entity) { + entity(); + space = false; + } else if (tok == Text) { + printf("%s", yytext); + space = false; + } else if (tok == Space) { + if (collapse && !pre) { + if (space) continue; + printf("%c", yytext[0]); + } else { + printf("%s", yytext); + } + space = true; + } + } + } +} diff --git a/bin/downgrade.c b/bin/downgrade.c new file mode 100644 index 00000000..31019714 --- /dev/null +++ b/bin/downgrade.c @@ -0,0 +1,362 @@ +/* Copyright (C) 2021 June McEnroe <june@causal.agency> + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <assert.h> +#include <err.h> +#include <signal.h> +#include <stdarg.h> +#include <stdbool.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sysexits.h> +#include <tls.h> +#include <unistd.h> + +#ifdef __FreeBSD__ +#include <capsicum_helpers.h> +#endif + +enum { BufferCap = 8192 + 512 }; + +static bool verbose; +static struct tls *client; + +static void clientWrite(const char *ptr, size_t len) { + if (verbose) printf("%.*s", (int)len, ptr); + while (len) { + ssize_t ret = tls_write(client, ptr, len); + if (ret == TLS_WANT_POLLIN || ret == TLS_WANT_POLLOUT) continue; + if (ret < 0) errx(EX_IOERR, "tls_write: %s", tls_error(client)); + ptr += ret; + len -= ret; + } +} + +static void format(const char *format, ...) { + char buf[BufferCap]; + va_list ap; + va_start(ap, format); + int len = vsnprintf(buf, sizeof(buf), format, ap); + va_end(ap); + assert((size_t)len < sizeof(buf)); + clientWrite(buf, len); +} + +static bool invite; +static const char *join; + +enum { Cap = 1024 }; +static struct Message { + char *id; + char *nick; + char *chan; + char *mesg; +} msgs[Cap]; +static size_t m; + +static void push(struct Message msg) { + struct Message *dst = &msgs[m++ % Cap]; + free(dst->id); + free(dst->nick); + free(dst->chan); + free(dst->mesg); + dst->id = strdup(msg.id); + dst->nick = strdup(msg.nick); + dst->chan = strdup(msg.chan); + if (!dst->id || !dst->nick || !dst->chan) err(EX_OSERR, "strdup"); + dst->mesg = NULL; + if (msg.mesg) { + dst->mesg = strdup(msg.mesg); + if (!dst->mesg) err(EX_OSERR, "strdup"); + } +} + +static struct Message *find(const char *id) { + for (size_t i = 0; i < Cap; ++i) { + if (!msgs[i].id) return NULL; + if (!strcmp(msgs[i].id, id)) return &msgs[i]; + } + return NULL; +} + +static void handle(char *ptr) { + char *tags = NULL; + char *origin = NULL; + if (ptr && *ptr == '@') tags = 1 + strsep(&ptr, " "); + if (ptr && *ptr == ':') origin = 1 + strsep(&ptr, " "); + char *cmd = strsep(&ptr, " "); + if (!cmd) return; + if (!strcmp(cmd, "CAP")) { + strsep(&ptr, " "); + char *sub = strsep(&ptr, " "); + if (!sub) errx(EX_PROTOCOL, "CAP without subcommand"); + if (!strcmp(sub, "NAK")) { + errx(EX_CONFIG, "server does not support %s", ptr); + } else if (!strcmp(sub, "ACK")) { + if (!ptr) errx(EX_PROTOCOL, "CAP ACK without caps"); + if (*ptr == ':') ptr++; + if (!strcmp(ptr, "sasl")) format("AUTHENTICATE EXTERNAL\r\n"); + } + } else if (!strcmp(cmd, "AUTHENTICATE")) { + format("AUTHENTICATE +\r\nCAP END\r\n"); + } else if (!strcmp(cmd, "433")) { + strsep(&ptr, " "); + char *nick = strsep(&ptr, " "); + if (!nick) errx(EX_PROTOCOL, "ERR_NICKNAMEINUSE missing nick"); + format("NICK %s_\r\n", nick); + } else if (!strcmp(cmd, "001")) { + if (join) format("JOIN %s\r\n", join); + } else if (!strcmp(cmd, "005")) { + char *self = strsep(&ptr, " "); + if (!self) errx(EX_PROTOCOL, "RPL_ISUPPORT missing nick"); + while (ptr && *ptr != ':') { + char *tok = strsep(&ptr, " "); + char *key = strsep(&tok, "="); + if (!strcmp(key, "BOT") && tok) { + format("MODE %s +%s\r\n", self, tok); + } + } + } else if (!strcmp(cmd, "INVITE") && invite) { + strsep(&ptr, " "); + if (!ptr) errx(EX_PROTOCOL, "INVITE missing channel"); + if (*ptr == ':') ptr++; + format("JOIN %s\r\n", ptr); + } else if (!strcmp(cmd, "PING")) { + if (!ptr) errx(EX_PROTOCOL, "PING missing parameter"); + format("PONG %s\r\n", ptr); + } else if (!strcmp(cmd, "ERROR")) { + if (!ptr) errx(EX_PROTOCOL, "ERROR missing parameter"); + if (*ptr == ':') ptr++; + errx(EX_UNAVAILABLE, "%s", ptr); + } + + if ( + strcmp(cmd, "PRIVMSG") && + strcmp(cmd, "NOTICE") && + strcmp(cmd, "TAGMSG") + ) return; + if (!origin) errx(EX_PROTOCOL, "%s missing origin", cmd); + + struct Message msg = { + .nick = strsep(&origin, "!"), + .chan = strsep(&ptr, " "), + }; + if (!msg.chan) errx(EX_PROTOCOL, "%s missing target", cmd); + if (msg.chan[0] == ':') msg.chan++; + if (msg.chan[0] != '#') return; + if (strcmp(cmd, "TAGMSG")) msg.mesg = (*ptr == ':' ? &ptr[1] : ptr); + + if (msg.mesg) { + if (!strncmp(msg.mesg, "\1ACTION ", 8)) msg.mesg += 8; + size_t len = strlen(msg.mesg); + if (msg.mesg[len-1] == '\1') msg.mesg[len-1] = '\0'; + } + + char *reply = NULL; + char *react = NULL; + char *typing = NULL; + if (!tags) return; + while (tags) { + char *tag = strsep(&tags, ";"); + char *key = strsep(&tag, "="); + if (!strcmp(key, "msgid")) { + if (tag) msg.id = tag; + } else if (!strcmp(key, "+draft/reply")) { + if (tag) reply = tag; + } else if (!strcmp(key, "+draft/react")) { + if (!tag) continue; + for (char *ptr = tag; (ptr = strchr(ptr, '\\')); ptr += !!*ptr) { + switch (ptr[1]) { + break; case ':': ptr[1] = ';'; + break; case 's': ptr[1] = ' '; + //break; case 'r': ptr[1] = '\r'; + //break; case 'n': ptr[1] = '\n'; + } + memmove(ptr, &ptr[1], strlen(&ptr[1]) + 1); + } + react = tag; + } else if (!strcmp(key, "+typing") || !strcmp(key, "+draft/typing")) { + if (tag) typing = tag; + } + } + if (msg.id) push(msg); + + if (typing) { + if (!strcmp(typing, "active")) { + format("NOTICE %s :* %s is typing...\r\n", msg.chan, msg.nick); + } else if (!strcmp(typing, "paused")) { + format( + "NOTICE %s :* %s is thinking hard...\r\n", msg.chan, msg.nick + ); + } else if (!strcmp(typing, "done")) { + format("NOTICE %s :* %s has given up :(\r\n", msg.chan, msg.nick); + } else { + format( + "NOTICE %s :* %s is doing some wacky %s typing!\r\n", + msg.chan, msg.nick, typing + ); + } + } else if (react && reply) { + struct Message *to = find(reply); + format("NOTICE %s :* %s reacted to ", msg.chan, msg.nick); + if (to && strcmp(to->chan, msg.chan)) { + format("a message in another channel"); + } else if (to && to->mesg) { + size_t len = 0; + for (size_t n; to->mesg[len]; len += n) { + n = 1 + strcspn(&to->mesg[len+1], " "); + if (len + n > 50) break; + } + format( + "%s's message (\"%.*s\"%s)", + to->nick, (int)len, to->mesg, (to->mesg[len] ? "..." : "") + ); + } else if (to) { + format("%s's reaction", to->nick); + } else { + format("an unknown message"); + } + format(" with \"%s\"\r\n", react); + } else if (react) { + format( + "NOTICE %s :* %s reacted to nothing with \"%s\"\r\n", + msg.chan, msg.nick, react + ); + } else if (reply) { + struct Message *to = find(reply); + format("NOTICE %s :* %s was replying to ", msg.chan, msg.nick); + if (to && strcmp(to->chan, msg.chan)) { + format("a message in another channel!\r\n"); + } else if (to && to->mesg) { + size_t len = 0; + for (size_t n; to->mesg[len]; len += n) { + n = 1 + strcspn(&to->mesg[len+1], " "); + if (len + n > 50) break; + } + format( + "%s's message (\"%.*s\"%s)\r\n", + to->nick, (int)len, to->mesg, (to->mesg[len] ? "..." : "") + ); + } else if (to) { + format("%s's reaction\r\n", to->nick); + } else { + format("an unknown message!\r\n"); + } + } +} + +static void quit(int sig) { + (void)sig; + format("QUIT\r\n"); + tls_close(client); + exit(EX_OK); +} + +int main(int argc, char *argv[]) { + const char *host = NULL; + const char *port = "6697"; + const char *nick = "downgrade"; + const char *cert = NULL; + const char *priv = NULL; + + for (int opt; 0 < (opt = getopt(argc, argv, "c:ij:k:n:p:v"));) { + switch (opt) { + break; case 'c': cert = optarg; + break; case 'i': invite = true; + break; case 'j': join = optarg; + break; case 'k': priv = optarg; + break; case 'n': nick = optarg; + break; case 'p': port = optarg; + break; case 'v': verbose = true; + break; default: return EX_USAGE; + } + } + if (optind == argc) errx(EX_USAGE, "host required"); + host = argv[optind]; + + client = tls_client(); + if (!client) errx(EX_SOFTWARE, "tls_client"); + + struct tls_config *config = tls_config_new(); + if (!config) errx(EX_SOFTWARE, "tls_config_new"); + + if (cert) { + if (!priv) priv = cert; + int error = tls_config_set_keypair_file(config, cert, priv); + if (error) errx(EX_NOINPUT, "%s: %s", cert, tls_config_error(config)); + } + + int error = tls_configure(client, config); + if (error) errx(EX_SOFTWARE, "tls_configure: %s", tls_error(client)); + + error = tls_connect(client, host, port); + if (error) errx(EX_UNAVAILABLE, "tls_connect: %s", tls_error(client)); + + do { + error = tls_handshake(client); + } while (error == TLS_WANT_POLLIN || error == TLS_WANT_POLLOUT); + if (error) errx(EX_PROTOCOL, "tls_handshake: %s", tls_error(client)); + tls_config_clear_keys(config); + +#ifdef __OpenBSD__ + error = pledge("stdio", NULL); + if (error) err(EX_OSERR, "pledge"); +#endif + +#ifdef __FreeBSD__ + error = caph_enter() || caph_limit_stdio(); + if (error) err(EX_OSERR, "caph_enter"); +#endif + + signal(SIGHUP, quit); + signal(SIGINT, quit); + signal(SIGTERM, quit); + format( + "CAP REQ :echo-message message-tags\r\n" + "NICK %s\r\n" + "USER %s 0 * :https://causal.agency/bin/downgrade.html\r\n", + nick, nick + ); + if (cert) { + format("CAP REQ sasl\r\n"); + } else { + format("CAP END\r\n"); + } + + size_t len = 0; + char buf[BufferCap]; + for (;;) { + ssize_t n = tls_read(client, &buf[len], sizeof(buf) - len); + if (n == TLS_WANT_POLLIN || n == TLS_WANT_POLLOUT) continue; + if (n < 0) errx(EX_IOERR, "tls_read: %s", tls_error(client)); + if (!n) errx(EX_UNAVAILABLE, "disconnected"); + len += n; + + char *ptr = buf; + for ( + char *crlf; + (crlf = memmem(ptr, &buf[len] - ptr, "\r\n", 2)); + ptr = crlf + 2 + ) { + *crlf = '\0'; + if (verbose) printf("%s\n", ptr); + handle(ptr); + } + len -= ptr - buf; + memmove(buf, ptr, len); + } +} diff --git a/bin/dtch.c b/bin/dtch.c new file mode 100644 index 00000000..026493dd --- /dev/null +++ b/bin/dtch.c @@ -0,0 +1,271 @@ +/* Copyright (C) 2017-2019 June McEnroe <june@causal.agency> + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <err.h> +#include <errno.h> +#include <fcntl.h> +#include <poll.h> +#include <signal.h> +#include <stdbool.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sys/ioctl.h> +#include <sys/socket.h> +#include <sys/stat.h> +#include <sys/un.h> +#include <sys/wait.h> +#include <sysexits.h> +#include <termios.h> +#include <unistd.h> + +#if defined __FreeBSD__ +#include <libutil.h> +#elif defined __linux__ +#include <pty.h> +#else +#include <util.h> +#endif + +static char _; +static struct iovec iov = { .iov_base = &_, .iov_len = 1 }; + +static ssize_t sendfd(int sock, int fd) { + size_t len = CMSG_SPACE(sizeof(int)); + char buf[len]; + struct msghdr msg = { + .msg_iov = &iov, + .msg_iovlen = 1, + .msg_control = buf, + .msg_controllen = len, + }; + + struct cmsghdr *cmsg = CMSG_FIRSTHDR(&msg); + cmsg->cmsg_len = CMSG_LEN(sizeof(int)); + cmsg->cmsg_level = SOL_SOCKET; + cmsg->cmsg_type = SCM_RIGHTS; + *(int *)CMSG_DATA(cmsg) = fd; + + return sendmsg(sock, &msg, 0); +} + +static int recvfd(int sock) { + size_t len = CMSG_SPACE(sizeof(int)); + char buf[len]; + struct msghdr msg = { + .msg_iov = &iov, + .msg_iovlen = 1, + .msg_control = buf, + .msg_controllen = len, + }; + if (0 > recvmsg(sock, &msg, 0)) return -1; + + struct cmsghdr *cmsg = CMSG_FIRSTHDR(&msg); + if (!cmsg || cmsg->cmsg_type != SCM_RIGHTS) { + errno = ENOMSG; + return -1; + } + return *(int *)CMSG_DATA(cmsg); +} + +static struct sockaddr_un addr = { .sun_family = AF_UNIX }; + +static void handler(int sig) { + unlink(addr.sun_path); + _exit(-sig); +} + +static void detach(int server, bool sink, char *argv[]) { + int pty; + pid_t pid = forkpty(&pty, NULL, NULL, NULL); + if (pid < 0) err(EX_OSERR, "forkpty"); + + if (!pid) { + execvp(argv[0], argv); + err(EX_NOINPUT, "%s", argv[0]); + } + + signal(SIGINT, handler); + signal(SIGTERM, handler); + + int error = listen(server, 0); + if (error) err(EX_OSERR, "listen"); + + struct pollfd fds[] = { + { .events = POLLIN, .fd = server }, + { .events = POLLIN, .fd = pty }, + }; + while (0 < poll(fds, (sink ? 2 : 1), -1)) { + if (fds[0].revents) { + int client = accept(server, NULL, NULL); + if (client < 0) err(EX_IOERR, "accept"); + + ssize_t len = sendfd(client, pty); + if (len < 0) warn("sendfd"); + + len = recv(client, &_, sizeof(_), 0); + if (len < 0) warn("recv"); + + close(client); + } + + if (fds[1].revents) { + char buf[4096]; + ssize_t len = read(pty, buf, sizeof(buf)); + if (len < 0) err(EX_IOERR, "read"); + } + + int status; + pid_t dead = waitpid(pid, &status, WNOHANG); + if (dead < 0) err(EX_OSERR, "waitpid"); + if (dead) { + unlink(addr.sun_path); + exit(WIFEXITED(status) ? WEXITSTATUS(status) : -WTERMSIG(status)); + } + } + err(EX_IOERR, "poll"); +} + +static struct termios saveTerm; +static void restoreTerm(void) { + tcsetattr(STDIN_FILENO, TCSADRAIN, &saveTerm); + fprintf(stderr, "\33c"); // RIS + warnx("detached"); +} + +static void nop(int sig) { + (void)sig; +} + +static void attach(int client) { + int error; + + int pty = recvfd(client); + if (pty < 0) err(EX_IOERR, "recvfd"); + warnx("attached"); + + struct winsize window; + error = ioctl(STDIN_FILENO, TIOCGWINSZ, &window); + if (error) err(EX_IOERR, "ioctl"); + + struct winsize redraw = { .ws_row = 1, .ws_col = 1 }; + error = ioctl(pty, TIOCSWINSZ, &redraw); + if (error) err(EX_IOERR, "ioctl"); + + error = ioctl(pty, TIOCSWINSZ, &window); + if (error) err(EX_IOERR, "ioctl"); + + error = tcgetattr(STDIN_FILENO, &saveTerm); + if (error) err(EX_IOERR, "tcgetattr"); + atexit(restoreTerm); + + struct termios raw = saveTerm; + cfmakeraw(&raw); + error = tcsetattr(STDIN_FILENO, TCSADRAIN, &raw); + if (error) err(EX_IOERR, "tcsetattr"); + + signal(SIGWINCH, nop); + + char buf[4096]; + struct pollfd fds[] = { + { .events = POLLIN, .fd = STDIN_FILENO }, + { .events = POLLIN, .fd = pty }, + }; + for (;;) { + int nfds = poll(fds, 2, -1); + if (nfds < 0) { + if (errno != EINTR) err(EX_IOERR, "poll"); + + error = ioctl(STDIN_FILENO, TIOCGWINSZ, &window); + if (error) err(EX_IOERR, "ioctl"); + + error = ioctl(pty, TIOCSWINSZ, &window); + if (error) err(EX_IOERR, "ioctl"); + + continue; + } + + if (fds[0].revents) { + ssize_t len = read(STDIN_FILENO, buf, sizeof(buf)); + if (len < 0) err(EX_IOERR, "read"); + if (!len) break; + + if (len == 1 && buf[0] == CTRL('Q')) break; + + len = write(pty, buf, len); + if (len < 0) err(EX_IOERR, "write"); + } + + if (fds[1].revents) { + ssize_t len = read(pty, buf, sizeof(buf)); + if (len < 0) err(EX_IOERR, "read"); + if (!len) break; + + len = write(STDOUT_FILENO, buf, len); + if (len < 0) err(EX_IOERR, "write"); + } + } +} + +int main(int argc, char *argv[]) { + int error; + + bool atch = false; + bool sink = false; + + int opt; + while (0 < (opt = getopt(argc, argv, "as"))) { + switch (opt) { + break; case 'a': atch = true; + break; case 's': sink = true; + break; default: return EX_USAGE; + } + } + if (optind == argc) errx(EX_USAGE, "no session name"); + const char *name = argv[optind++]; + + if (optind == argc) { + argv[--optind] = getenv("SHELL"); + if (!argv[optind]) errx(EX_CONFIG, "SHELL unset"); + } + + const char *home = getenv("HOME"); + if (!home) errx(EX_CONFIG, "HOME unset"); + + int fd = open(home, 0); + if (fd < 0) err(EX_CANTCREAT, "%s", home); + + error = mkdirat(fd, ".dtch", 0700); + if (error && errno != EEXIST) err(EX_CANTCREAT, "%s/.dtch", home); + + close(fd); + + int sock = socket(PF_UNIX, SOCK_STREAM, 0); + if (sock < 0) err(EX_OSERR, "socket"); + fcntl(sock, F_SETFD, FD_CLOEXEC); + + snprintf(addr.sun_path, sizeof(addr.sun_path), "%s/.dtch/%s", home, name); + + if (atch) { + error = connect(sock, (struct sockaddr *)&addr, SUN_LEN(&addr)); + if (error) err(EX_NOINPUT, "%s", addr.sun_path); + attach(sock); + } else { + error = bind(sock, (struct sockaddr *)&addr, SUN_LEN(&addr)); + if (error) err(EX_CANTCREAT, "%s", addr.sun_path); + detach(sock, sink, &argv[optind]); + } +} diff --git a/bin/enc.sh b/bin/enc.sh new file mode 100644 index 00000000..4233f0a3 --- /dev/null +++ b/bin/enc.sh @@ -0,0 +1,70 @@ +#!/bin/sh +set -eu + +readonly Command='openssl enc -ChaCha20 -pbkdf2' + +base64= +stdout=false +mode=encrypt +force=false + +while getopts 'acdef' opt; do + case $opt in + (a) base64=-a;; + (c) stdout=true;; + (d) mode=decrypt;; + (e) mode=encrypt;; + (f) force=true;; + (?) exit 1;; + esac +done +shift $((OPTIND - 1)) + +confirm() { + $force && return 0 + while :; do + printf '%s: overwrite %s? [y/N] ' "$0" "$1" >&2 + read -r confirm + case "$confirm" in + (Y*|y*) return 0;; + (N*|n*|'') return 1;; + esac + done +} + +encrypt() { + if test -z "${1:-}"; then + $Command -e $base64 + elif $stdout; then + $Command -e $base64 -in "$1" + else + input=$1 + output="${1}.enc" + if test -e "$output" && ! confirm "$output"; then + return + fi + $Command -e $base64 -in "$input" -out "$output" + fi +} + +decrypt() { + if test -z "${1:-}"; then + $Command -d $base64 + elif $stdout || [ "${1%.enc}" = "$1" ]; then + $Command -d $base64 -in "$1" + else + input=$1 + output=${1%.enc} + if test -e "$output" && ! confirm "$output"; then + return + fi + $Command -d $base64 -in "$input" -out "$output" + fi +} + +for input; do + $mode "$input" +done +if [ $# -eq 0 ]; then + $mode +fi diff --git a/bin/ever.c b/bin/ever.c new file mode 100644 index 00000000..f8ff943b --- /dev/null +++ b/bin/ever.c @@ -0,0 +1,119 @@ +/* Copyright (C) 2017 June McEnroe <june@causal.agency> + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <sys/types.h> + +#include <err.h> +#include <fcntl.h> +#include <stdbool.h> +#include <stdlib.h> +#include <sys/event.h> +#include <sys/wait.h> +#include <sysexits.h> +#include <unistd.h> + +static int watch(int kq, char *path) { + int fd = open(path, O_CLOEXEC); + if (fd < 0) err(EX_NOINPUT, "%s", path); + + struct kevent event; + EV_SET( + &event, + fd, + EVFILT_VNODE, + EV_ADD | EV_CLEAR, + NOTE_WRITE | NOTE_DELETE, + 0, + path + ); + int nevents = kevent(kq, &event, 1, NULL, 0, NULL); + if (nevents < 0) err(EX_OSERR, "kevent"); + + return fd; +} + +static bool quiet; +static void exec(int fd, char *const argv[]) { + pid_t pid = fork(); + if (pid < 0) err(EX_OSERR, "fork"); + + if (!pid) { + dup2(fd, STDIN_FILENO); + execvp(*argv, argv); + err(EX_NOINPUT, "%s", *argv); + } + + int status; + pid = wait(&status); + if (pid < 0) err(EX_OSERR, "wait"); + + if (quiet) return; + if (WIFEXITED(status)) { + warnx("exit %d\n", WEXITSTATUS(status)); + } else if (WIFSIGNALED(status)) { + warnx("signal %d\n", WTERMSIG(status)); + } else { + warnx("status %d\n", status); + } +} + +int main(int argc, char *argv[]) { + bool input = false; + + for (int opt; 0 < (opt = getopt(argc, argv, "iq"));) { + switch (opt) { + break; case 'i': input = true; + break; case 'q': quiet = true; + break; default: return EX_USAGE; + } + } + argc -= optind; + argv += optind; + if (argc < 2) return EX_USAGE; + + int kq = kqueue(); + if (kq < 0) err(EX_OSERR, "kqueue"); + + int i; + for (i = 0; i < argc - 1; ++i) { + if (argv[i][0] == '-') { + i++; + break; + } + watch(kq, argv[i]); + } + + if (!input) { + exec(STDIN_FILENO, &argv[i]); + } + + for (;;) { + struct kevent event; + int nevents = kevent(kq, NULL, 0, &event, 1, NULL); + if (nevents < 0) err(EX_OSERR, "kevent"); + + if (event.fflags & NOTE_DELETE) { + close(event.ident); + sleep(1); + event.ident = watch(kq, (char *)event.udata); + } else if (input) { + off_t off = lseek(event.ident, 0, SEEK_SET); + if (off < 0) err(EX_IOERR, "lseek"); + } + + exec((input ? event.ident : STDIN_FILENO), &argv[i]); + } +} diff --git a/bin/freecell.c b/bin/freecell.c new file mode 100644 index 00000000..fbc0fe22 --- /dev/null +++ b/bin/freecell.c @@ -0,0 +1,388 @@ +/* Copyright (C) 2019, 2021 June McEnroe <june@causal.agency> + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <assert.h> +#include <ctype.h> +#include <curses.h> +#include <err.h> +#include <locale.h> +#include <stdbool.h> +#include <stdio.h> +#include <stdlib.h> +#include <sysexits.h> +#include <time.h> +#include <unistd.h> + +typedef unsigned uint; +typedef unsigned char byte; + +typedef byte Card; +enum { + A = 1, + J = 11, + Q = 12, + K = 13, + Rank = 0x0F, + Suit = 0x30, + Color = 0x10, + Club = 0x00, + Diamond = 0x10, + Spade = 0x20, + Heart = 0x30, +}; + +enum { StackCap = 52 }; +struct Stack { + byte len; + Card cards[StackCap]; +}; +static void push(struct Stack *stack, Card card) { + assert(stack->len < StackCap); + stack->cards[stack->len++] = card; +} +static Card pop(struct Stack *stack) { + if (!stack->len) return 0; + return stack->cards[--stack->len]; +} +static Card peek(struct Stack *stack) { + if (!stack->len) return 0; + return stack->cards[stack->len-1]; +} + +enum { + Foundation, + Cell = Foundation + 4, + Tableau = Cell + 4, + Stacks = Tableau + 8, +}; +static struct Stack stacks[Stacks]; + +struct Move { + byte dst; + byte src; +}; + +enum { QCap = 16 }; +static struct { + struct Move moves[QCap]; + uint r, w, u; +} q; +static void enq(byte dst, byte src) { + q.moves[q.w % QCap].dst = dst; + q.moves[q.w % QCap].src = src; + q.w++; +} +static void deq(void) { + struct Move move = q.moves[q.r++ % QCap]; + push(&stacks[move.dst], pop(&stacks[move.src])); +} +static void undo(void) { + uint len = q.w - q.u; + if (!len || len > QCap) return; + for (uint i = len-1; i < len; --i) { + struct Move move = q.moves[(q.u+i) % QCap]; + push(&stacks[move.src], pop(&stacks[move.dst])); + } + q.r = q.w = q.u; +} + +// https://rosettacode.org/wiki/Deal_cards_for_FreeCell +static uint lcgState; +static uint lcg(void) { + lcgState = (214013 * lcgState + 2531011) % (1 << 31); + return lcgState >> 16; +} +static void deal(uint game) { + lcgState = game; + struct Stack deck = {0}; + for (Card i = A; i <= K; ++i) { + push(&deck, Club | i); + push(&deck, Diamond | i); + push(&deck, Heart | i); + push(&deck, Spade | i); + } + for (uint stack = 0; deck.len; ++stack) { + uint i = lcg() % deck.len; + Card card = deck.cards[i]; + deck.cards[i] = deck.cards[--deck.len]; + push(&stacks[Tableau + stack%8], card); + } +} + +static bool win(void) { + for (uint i = Foundation; i < Cell; ++i) { + if (stacks[i].len != 13) return false; + } + return true; +} + +static bool valid(uint dst, Card card) { + Card top = peek(&stacks[dst]); + if (dst < Cell) { + if (!top) return (card & Rank) == A; + return (card & Suit) == (top & Suit) + && (card & Rank) == (top & Rank) + 1; + } + if (!top) return true; + if (dst >= Tableau) { + return (card & Color) != (top & Color) + && (card & Rank) == (top & Rank) - 1; + } + return false; +} + +static void autoEnq(void) { + Card min[] = { K, K }; + for (uint i = Cell; i < Stacks; ++i) { + for (uint j = 0; j < stacks[i].len; ++j) { + Card card = stacks[i].cards[j]; + if ((card & Rank) < min[!!(card & Color)]) { + min[!!(card & Color)] = card & Rank; + } + } + } + for (uint src = Cell; src < Stacks; ++src) { + Card card = peek(&stacks[src]); + if (!card) continue; + if (min[!(card & Color)] < (card & Rank)-1) continue; + for (uint dst = Foundation; dst < Cell; ++dst) { + if (valid(dst, card)) { + enq(dst, src); + return; + } + } + } +} + +static void moveSingle(uint dst, uint src) { + if (!valid(dst, peek(&stacks[src]))) return; + q.u = q.w; + enq(dst, src); +} + +static uint freeCells(uint cells[static 4]) { + uint len = 0; + for (uint i = Cell; i < Tableau; ++i) { + if (!stacks[i].len) cells[len++] = i; + } + return len; +} + +static uint moveDepth(uint src) { + struct Stack stack = stacks[src]; + if (stack.len < 2) return stack.len; + uint n = 1; + for (uint i = stack.len-2; i < stack.len; --i, ++n) { + if ((stack.cards[i] & Color) == (stack.cards[i+1] & Color)) break; + if ((stack.cards[i] & Rank) != (stack.cards[i+1] & Rank) + 1) break; + } + return n; +} + +static void moveColumn(uint dst, uint src) { + uint depth; + uint cells[4]; + uint free = freeCells(cells); + for (depth = moveDepth(src); depth; --depth) { + if (free < depth-1) continue; + if (valid(dst, stacks[src].cards[stacks[src].len-depth])) break; + } + if (depth < 2 || dst < Tableau) { + moveSingle(dst, src); + return; + } + q.u = q.w; + for (uint i = 0; i < depth-1; ++i) { + enq(cells[i], src); + } + enq(dst, src); + for (uint i = depth-2; i < depth-1; --i) { + enq(dst, cells[i]); + } +} + +static void curse(void) { + setlocale(LC_CTYPE, ""); + initscr(); + cbreak(); + noecho(); + curs_set(0); + start_color(); + use_default_colors(); + init_pair(1, COLOR_BLACK, COLOR_WHITE); + init_pair(2, COLOR_RED, COLOR_WHITE); + init_pair(3, COLOR_GREEN, -1); +} + +static void drawCard(bool hi, int y, int x, Card card) { + if (!card) return; + move(y, x); + attr_set(hi ? A_REVERSE : A_NORMAL, (card & Color) ? 2 : 1, NULL); + switch (card & Suit) { + break; case Club: addstr("\u2663"); + break; case Diamond: addstr("\u2666"); + break; case Spade: addstr("\u2660"); + break; case Heart: addstr("\u2665"); + break; default:; + } + switch (card & Rank) { + break; case A: addstr(" A"); + break; case 10: addstr("10"); + break; case J: addstr(" J"); + break; case Q: addstr(" Q"); + break; case K: addstr(" K"); + break; default: { + addch(' '); + addch('0' + (card & Rank)); + } + } + attr_set(A_NORMAL, 0, NULL); +} + +static void drawStack(bool hi, int y, int x, const struct Stack *stack) { + for (uint i = 0; i < stack->len; ++i) { + drawCard(hi && i == stack->len-1, y++, x, stack->cards[i]); + } +} + +enum { + Padding = 1, + CardWidth = 3, + CardHeight = 1, + CellX = Padding, + CellY = 2*CardHeight, + FoundationX = CellX + 4*(CardWidth+Padding), + FoundationY = CellY, + TableauX = CellX, + TableauY = CellY + 2*CardHeight, +}; + +static uint game; +static uint srcStack = Stacks; + +static void draw(void) { + erase(); + static char buf[256]; + if (!buf[0]) snprintf(buf, sizeof(buf), "Game #%u", game); + attr_set(A_NORMAL, 3, NULL); + mvaddstr(0, Padding, buf); + for (uint i = 0; i < Stacks; ++i) { + int y, x; + char key; + if (i < Cell) { + y = FoundationY; + x = FoundationX + (3-(i-Foundation)) * (CardWidth+Padding); + key = '_'; + } else if (i < Tableau) { + y = CellY; + x = CellX + (i-Cell) * (CardWidth+Padding); + key = '1' + i-Cell; + } else { + y = TableauY; + x = TableauX + (i-Tableau) * (CardWidth+Padding); + key = "QWERASDF"[i-Tableau]; + } + if (i < Tableau) { + mvaddch(y, x+1, COLOR_PAIR(3) | key); + } else { + mvaddch(y + 8*CardHeight, x+1, COLOR_PAIR(3) | key); + } + if (i < Cell) { + drawCard(false, y, x, peek(&stacks[i])); + } else { + drawStack(i == srcStack, y, x, &stacks[i]); + } + } +} + +static void input(void) { + char ch = getch(); + uint stack = Stacks; + switch (tolower(ch)) { + break; case '\33': srcStack = Stacks; + break; case 'u': case '\b': case '\177': undo(); + break; case '1': case '!': stack = Cell+0; + break; case '2': case '@': stack = Cell+1; + break; case '3': case '#': stack = Cell+2; + break; case '4': case '$': stack = Cell+3; + break; case '_': case ' ': stack = Foundation; + break; case 'q': stack = Tableau+0; + break; case 'w': stack = Tableau+1; + break; case 'e': stack = Tableau+2; + break; case 'r': stack = Tableau+3; + break; case 'a': stack = Tableau+4; + break; case 's': stack = Tableau+5; + break; case 'd': stack = Tableau+6; + break; case 'f': stack = Tableau+7; + } + if (stack == Stacks) return; + + if (srcStack < Stacks) { + Card card = peek(&stacks[srcStack]); + if (stack == Foundation) { + for (; stack < Cell; ++stack) { + if (valid(stack, card)) break; + } + if (stack == Cell) return; + } + if (stack == srcStack) { + for (stack = Cell; stack < Stacks; ++stack) { + if (!stacks[stack].len) break; + } + if (stack == Stacks) return; + } + if (isupper(ch)) { + moveSingle(stack, srcStack); + } else { + moveColumn(stack, srcStack); + } + srcStack = Stacks; + + } else if (stack >= Cell && stacks[stack].len) { + srcStack = stack; + } +} + +static void status(void) { + printf("Game #%u %s!\n", game, win() ? "win" : "lose"); +} + +int main(int argc, char *argv[]) { + game = 1 + time(NULL) % 32000; + uint delay = 50; + for (int opt; 0 < (opt = getopt(argc, argv, "d:n:"));) { + switch (opt) { + break; case 'd': delay = strtoul(optarg, NULL, 10); + break; case 'n': game = strtoul(optarg, NULL, 10); + break; default: return EX_USAGE; + } + } + curse(); + deal(game); + atexit(status); + while (!win()) { + while (q.r < q.w) { + deq(); + draw(); + refresh(); + usleep(delay * 1000); + if (q.r == q.w) autoEnq(); + } + draw(); + input(); + } + endwin(); +} diff --git a/bin/git-comment.pl b/bin/git-comment.pl new file mode 100644 index 00000000..5352702d --- /dev/null +++ b/bin/git-comment.pl @@ -0,0 +1,92 @@ +#!/usr/bin/env perl +# Copyright (C) 2021 June McEnroe <june@causal.agency> +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU Affero General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU Affero General Public License for more details. +# +# You should have received a copy of the GNU Affero General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. + +use lib (split(/:/, $ENV{GITPERLLIB} || '/usr/local/share/perl5')); + +use strict; +use warnings; +use Getopt::Long qw(:config pass_through); +use Git; + +my $repo = Git->repository(); + +my ($all, $minGroup, $minRepeat, $noRepeat) = (0, 2, 30, 0); +my $commentStart = $repo->config('comment.start') // "/*"; +my $commentLead = $repo->config('comment.lead') // " *"; +my $commentEnd = $repo->config('comment.end') // " */"; +my $pretty = $repo->config('comment.pretty') // 'format:%h %s%n%n%-b'; +GetOptions( + 'all' => \$all, + 'comment-start=s' => \$commentStart, + 'comment-lead=s' => \$commentLead, + 'comment-end:s' => \$commentEnd, + 'min-group=i' => \$minGroup, + 'min-repeat=i' => \$minRepeat, + 'no-repeat' => \$noRepeat, + 'pretty=s' => \$pretty, +) or die; + +sub printComment { + my ($indent, $summary, @body) = @_; + print "$indent$commentStart $summary"; + if (@body) { + print "\n"; + foreach (@body) { + print "$indent$commentLead"; + print " $_" if $_; + print "\n"; + } + print "$indent$commentEnd\n" if $commentEnd; + } else { + print "$commentEnd\n"; + } +} + +my ($pipe, $ctx) = $repo->command_output_pipe('blame', '--porcelain', @ARGV); + +my ($commit, $nr, $group, $printed, %message, %nrs); +while (<$pipe>) { + chomp; + if (/^([[:xdigit:]]+) \d+ (\d+) (\d+)/) { + ($commit, $nr, $group, $printed) = ($1, $2, $3, 0); + next if $message{$commit}; + if ($commit =~ /^0+$/) { + $message{$commit} = ['Not committed yet']; + next; + } + my @message = $repo->command( + 'show', '--no-patch', "--pretty=$pretty", $commit + ); + $message{$commit} = \@message; + } elsif (/^\t(\s*)(.*)/) { + my ($indent, $line) = ($1, $2); + unless ($printed || $line =~ /^[})]?;?$/) { + $printed = 1; + if ( + $group >= $minGroup && + !($noRepeat && $nrs{$commit}) && + !($nrs{$commit} && $nr < $nrs{$commit} + $minRepeat) && + ($all || @{$message{$commit}} > 1) + ) { + $nrs{$commit} = $nr; + printComment($indent, @{$message{$commit}}); + } + } + print "$indent$line\n"; + } +} + +$repo->command_close_pipe($pipe, $ctx); diff --git a/bin/glitch.c b/bin/glitch.c new file mode 100644 index 00000000..d0c926f9 --- /dev/null +++ b/bin/glitch.c @@ -0,0 +1,605 @@ +/* Copyright (C) 2018, 2021 June McEnroe <june@causal.agency> + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <err.h> +#include <inttypes.h> +#include <limits.h> +#include <stdbool.h> +#include <stdint.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sysexits.h> +#include <unistd.h> +#include <zlib.h> + +#define ARRAY_LEN(a) (sizeof(a) / sizeof(a[0])) + +static const char *path; +static FILE *file; +static uint32_t crc; + +static void pngRead(void *ptr, size_t len, const char *desc) { + size_t n = fread(ptr, len, 1, file); + if (!n && ferror(file)) err(EX_IOERR, "%s", path); + if (!n) errx(EX_DATAERR, "%s: missing %s", path, desc); + crc = crc32(crc, ptr, len); +} + +static void pngWrite(const void *ptr, size_t len) { + size_t n = fwrite(ptr, len, 1, file); + if (!n) err(EX_IOERR, "%s", path); + crc = crc32(crc, ptr, len); +} + +static const uint8_t Sig[8] = "\x89PNG\r\n\x1A\n"; + +static void sigRead(void) { + uint8_t sig[sizeof(Sig)]; + pngRead(sig, sizeof(sig), "signature"); + if (memcmp(sig, Sig, sizeof(sig))) { + errx(EX_DATAERR, "%s: invalid signature", path); + } +} + +static void sigWrite(void) { + pngWrite(Sig, sizeof(Sig)); +} + +static uint32_t u32Read(const char *desc) { + uint8_t b[4]; + pngRead(b, sizeof(b), desc); + return (uint32_t)b[0] << 24 | (uint32_t)b[1] << 16 + | (uint32_t)b[2] << 8 | (uint32_t)b[3]; +} + +static void u32Write(uint32_t x) { + uint8_t b[4] = { x >> 24 & 0xFF, x >> 16 & 0xFF, x >> 8 & 0xFF, x & 0xFF }; + pngWrite(b, sizeof(b)); +} + +struct Chunk { + uint32_t len; + char type[5]; +}; + +static struct Chunk chunkRead(void) { + struct Chunk chunk; + chunk.len = u32Read("chunk length"); + crc = crc32(0, Z_NULL, 0); + pngRead(chunk.type, 4, "chunk type"); + chunk.type[4] = 0; + return chunk; +} + +static void chunkWrite(struct Chunk chunk) { + u32Write(chunk.len); + crc = crc32(0, Z_NULL, 0); + pngWrite(chunk.type, 4); +} + +static void crcRead(void) { + uint32_t expect = crc; + uint32_t actual = u32Read("CRC32"); + if (actual == expect) return; + errx( + EX_DATAERR, "%s: expected CRC32 %08X, found %08X", + path, expect, actual + ); +} + +static void crcWrite(void) { + u32Write(crc); +} + +static void chunkSkip(struct Chunk chunk) { + if (!(chunk.type[0] & 0x20)) { + errx(EX_CONFIG, "%s: unsupported critical chunk %s", path, chunk.type); + } + uint8_t buf[4096]; + while (chunk.len > sizeof(buf)) { + pngRead(buf, sizeof(buf), "chunk data"); + chunk.len -= sizeof(buf); + } + if (chunk.len) pngRead(buf, chunk.len, "chunk data"); + crcRead(); +} + +enum Color { + Grayscale = 0, + Truecolor = 2, + Indexed = 3, + GrayscaleAlpha = 4, + TruecolorAlpha = 6, +}; +enum Compression { + Deflate, +}; +enum FilterMethod { + Adaptive, +}; +enum Interlace { + Progressive, + Adam7, +}; + +enum { HeaderLen = 13 }; +static struct { + uint32_t width; + uint32_t height; + uint8_t depth; + uint8_t color; + uint8_t compression; + uint8_t filter; + uint8_t interlace; +} header; + +static size_t pixelLen; +static size_t lineLen; +static size_t dataLen; + +static void recalc(void) { + size_t pixelBits = header.depth; + switch (header.color) { + break; case GrayscaleAlpha: pixelBits *= 2; + break; case Truecolor: pixelBits *= 3; + break; case TruecolorAlpha: pixelBits *= 4; + } + pixelLen = (pixelBits + 7) / 8; + lineLen = (header.width * pixelBits + 7) / 8; + dataLen = (1 + lineLen) * header.height; +} + +static void headerRead(struct Chunk chunk) { + if (chunk.len != HeaderLen) { + errx( + EX_DATAERR, "%s: expected %s length %" PRIu32 ", found %" PRIu32, + path, chunk.type, (uint32_t)HeaderLen, chunk.len + ); + } + header.width = u32Read("header width"); + header.height = u32Read("header height"); + pngRead(&header.depth, 1, "header depth"); + pngRead(&header.color, 1, "header color"); + pngRead(&header.compression, 1, "header compression"); + pngRead(&header.filter, 1, "header filter"); + pngRead(&header.interlace, 1, "header interlace"); + crcRead(); + recalc(); +} + +static void headerWrite(void) { + struct Chunk ihdr = { HeaderLen, "IHDR" }; + chunkWrite(ihdr); + u32Write(header.width); + u32Write(header.height); + pngWrite(&header.depth, 1); + pngWrite(&header.color, 1); + pngWrite(&header.compression, 1); + pngWrite(&header.filter, 1); + pngWrite(&header.interlace, 1); + crcWrite(); +} + +static struct { + uint32_t len; + uint8_t rgb[256][3]; +} pal; + +static struct { + uint32_t len; + uint8_t a[256]; +} trans; + +static void palClear(void) { + pal.len = 0; + trans.len = 0; +} + +static void palRead(struct Chunk chunk) { + if (chunk.len % 3) { + errx( + EX_DATAERR, "%s: %s length %" PRIu32 " not divisible by 3", + path, chunk.type, chunk.len + ); + } + pal.len = chunk.len / 3; + if (pal.len > 256) { + errx( + EX_DATAERR, "%s: %s length %" PRIu32 " > 256", + path, chunk.type, pal.len + ); + } + pngRead(pal.rgb, chunk.len, "palette data"); + crcRead(); +} + +static void palWrite(void) { + struct Chunk plte = { 3 * pal.len, "PLTE" }; + chunkWrite(plte); + pngWrite(pal.rgb, plte.len); + crcWrite(); +} + +static void transRead(struct Chunk chunk) { + trans.len = chunk.len; + if (trans.len > 256) { + errx( + EX_DATAERR, "%s: %s length %" PRIu32 " > 256", + path, chunk.type, trans.len + ); + } + pngRead(trans.a, chunk.len, "transparency data"); + crcRead(); +} + +static void transWrite(void) { + struct Chunk trns = { trans.len, "tRNS" }; + chunkWrite(trns); + pngWrite(trans.a, trns.len); + crcWrite(); +} + +static uint8_t *data; + +static void dataAlloc(void) { + data = malloc(dataLen); + if (!data) err(EX_OSERR, "malloc"); +} + +static void dataRead(struct Chunk chunk) { + z_stream stream = { .next_out = data, .avail_out = dataLen }; + int error = inflateInit(&stream); + if (error != Z_OK) errx(EX_SOFTWARE, "inflateInit: %s", stream.msg); + + for (;;) { + if (strcmp(chunk.type, "IDAT")) { + errx(EX_DATAERR, "%s: missing IDAT chunk", path); + } + + uint8_t *idat = malloc(chunk.len); + if (!idat) err(EX_OSERR, "malloc"); + + pngRead(idat, chunk.len, "image data"); + crcRead(); + + stream.next_in = idat; + stream.avail_in = chunk.len; + error = inflate(&stream, Z_SYNC_FLUSH); + free(idat); + + if (error == Z_STREAM_END) break; + if (error != Z_OK) { + errx(EX_DATAERR, "%s: inflate: %s", path, stream.msg); + } + + chunk = chunkRead(); + } + inflateEnd(&stream); + if ((size_t)stream.total_out != dataLen) { + errx( + EX_DATAERR, "%s: expected data length %zu, found %zu", + path, dataLen, (size_t)stream.total_out + ); + } +} + +static void dataWrite(void) { + z_stream stream = { + .next_in = data, + .avail_in = dataLen, + }; + int error = deflateInit2( + &stream, Z_BEST_COMPRESSION, Z_DEFLATED, 15, 8, Z_FILTERED + ); + if (error != Z_OK) errx(EX_SOFTWARE, "deflateInit2: %s", stream.msg); + + uLong bound = deflateBound(&stream, dataLen); + uint8_t *buf = malloc(bound); + if (!buf) err(EX_OSERR, "malloc"); + + stream.next_out = buf; + stream.avail_out = bound; + deflate(&stream, Z_FINISH); + deflateEnd(&stream); + + struct Chunk idat = { stream.total_out, "IDAT" }; + chunkWrite(idat); + pngWrite(buf, stream.total_out); + crcWrite(); + free(buf); + + struct Chunk iend = { 0, "IEND" }; + chunkWrite(iend); + crcWrite(); +} + +enum Filter { + None, + Sub, + Up, + Average, + Paeth, + FilterCap, +}; + +struct Bytes { + uint8_t x, a, b, c; +}; + +static bool brokenPaeth; +static uint8_t paethPredictor(struct Bytes f) { + int32_t p = (int32_t)f.a + (int32_t)f.b - (int32_t)f.c; + int32_t pa = labs(p - (int32_t)f.a); + int32_t pb = labs(p - (int32_t)f.b); + int32_t pc = labs(p - (int32_t)f.c); + if (pa <= pb && pa <= pc) return f.a; + if (brokenPaeth) { + if (pb < pc) return f.b; + } else { + if (pb <= pc) return f.b; + } + return f.c; +} + +static uint8_t recon(enum Filter type, struct Bytes f) { + switch (type) { + case None: return f.x; + case Sub: return f.x + f.a; + case Up: return f.x + f.b; + case Average: return f.x + ((uint32_t)f.a + (uint32_t)f.b) / 2; + case Paeth: return f.x + paethPredictor(f); + default: abort(); + } +} + +static uint8_t filt(enum Filter type, struct Bytes f) { + switch (type) { + case None: return f.x; + case Sub: return f.x - f.a; + case Up: return f.x - f.b; + case Average: return f.x - ((uint32_t)f.a + (uint32_t)f.b) / 2; + case Paeth: return f.x - paethPredictor(f); + default: abort(); + } +} + +static uint8_t *lineType(uint32_t y) { + return &data[y * (1 + lineLen)]; +} +static uint8_t *lineData(uint32_t y) { + return 1 + lineType(y); +} + +static struct Bytes origBytes(uint32_t y, size_t i) { + bool a = (i >= pixelLen), b = (y > 0), c = (a && b); + return (struct Bytes) { + .x = lineData(y)[i], + .a = (a ? lineData(y)[i-pixelLen] : 0), + .b = (b ? lineData(y-1)[i] : 0), + .c = (c ? lineData(y-1)[i-pixelLen] : 0), + }; +} + +static bool reconFilter; +static void dataRecon(void) { + for (uint32_t y = 0; y < header.height; ++y) { + for (size_t i = 0; i < lineLen; ++i) { + if (reconFilter) { + lineData(y)[i] = filt(*lineType(y), origBytes(y, i)); + } else { + lineData(y)[i] = recon(*lineType(y), origBytes(y, i)); + } + } + *lineType(y) = None; + } +} + +static bool filterRecon; +static size_t applyFilter; +static enum Filter applyFilters[256]; +static size_t declFilter; +static enum Filter declFilters[256]; + +static void dataFilter(void) { + uint8_t *filter[FilterCap]; + for (enum Filter i = None; i < FilterCap; ++i) { + filter[i] = malloc(lineLen); + if (!filter[i]) err(EX_OSERR, "malloc"); + } + for (uint32_t y = header.height-1; y < header.height; --y) { + uint32_t heuristic[FilterCap] = {0}; + enum Filter minType = None; + for (enum Filter type = None; type < FilterCap; ++type) { + for (size_t i = 0; i < lineLen; ++i) { + if (filterRecon) { + filter[type][i] = recon(type, origBytes(y, i)); + } else { + filter[type][i] = filt(type, origBytes(y, i)); + } + heuristic[type] += abs((int8_t)filter[type][i]); + } + if (heuristic[type] < heuristic[minType]) minType = type; + } + if (declFilter) { + *lineType(y) = declFilters[y % declFilter]; + } else { + *lineType(y) = minType; + } + if (applyFilter) { + memcpy(lineData(y), filter[applyFilters[y % applyFilter]], lineLen); + } else { + memcpy(lineData(y), filter[minType], lineLen); + } + } + for (enum Filter i = None; i < FilterCap; ++i) { + free(filter[i]); + } +} + +static bool invertData; +static bool mirrorData; +static bool zeroX; +static bool zeroY; + +static void glitch(const char *inPath, const char *outPath) { + if (inPath) { + path = inPath; + file = fopen(path, "r"); + if (!file) err(EX_NOINPUT, "%s", path); + } else { + path = "stdin"; + file = stdin; + } + + sigRead(); + struct Chunk ihdr = chunkRead(); + if (strcmp(ihdr.type, "IHDR")) { + errx(EX_DATAERR, "%s: expected IHDR, found %s", path, ihdr.type); + } + headerRead(ihdr); + if (header.interlace != Progressive) { + errx(EX_CONFIG, "%s: unsupported interlacing", path); + } + + palClear(); + dataAlloc(); + for (;;) { + struct Chunk chunk = chunkRead(); + if (!strcmp(chunk.type, "PLTE")) { + palRead(chunk); + } else if (!strcmp(chunk.type, "tRNS")) { + transRead(chunk); + } else if (!strcmp(chunk.type, "IDAT")) { + dataRead(chunk); + } else if (!strcmp(chunk.type, "IEND")) { + break; + } else { + chunkSkip(chunk); + } + } + fclose(file); + + dataRecon(); + dataFilter(); + + if (invertData) { + for (uint32_t y = 0; y < header.height; ++y) { + for (size_t i = 0; i < lineLen; ++i) { + lineData(y)[i] ^= 0xFF; + } + } + } + if (mirrorData) { + for (uint32_t y = 0; y < header.height; ++y) { + for (size_t i = 0, j = lineLen-1; i < j; ++i, --j) { + uint8_t x = lineData(y)[i]; + lineData(y)[i] = lineData(y)[j]; + lineData(y)[j] = x; + } + } + } + if (zeroX) { + for (uint32_t y = 0; y < header.height; ++y) { + memset(lineData(y), 0, pixelLen); + } + } + if (zeroY) { + memset(lineData(0), 0, lineLen); + } + + char buf[PATH_MAX]; + if (outPath) { + path = outPath; + if (outPath == inPath) { + snprintf(buf, sizeof(buf), "%sg", outPath); + file = fopen(buf, "wx"); + if (!file) err(EX_CANTCREAT, "%s", buf); + } else { + file = fopen(path, "w"); + if (!file) err(EX_CANTCREAT, "%s", outPath); + } + } else { + path = "stdout"; + file = stdout; + } + + sigWrite(); + headerWrite(); + if (header.color == Indexed) { + palWrite(); + if (trans.len) transWrite(); + } + dataWrite(); + free(data); + int error = fclose(file); + if (error) err(EX_IOERR, "%s", path); + + if (outPath && outPath == inPath) { + error = rename(buf, outPath); + if (error) err(EX_CANTCREAT, "%s", outPath); + } +} + +static enum Filter parseFilter(const char *str) { + switch (str[0]) { + case 'N': case 'n': return None; + case 'S': case 's': return Sub; + case 'U': case 'u': return Up; + case 'A': case 'a': return Average; + case 'P': case 'p': return Paeth; + default: errx(EX_USAGE, "invalid filter type %s", str); + } +} + +static size_t parseFilters(enum Filter *filters, char *str) { + size_t len = 0; + while (str) { + char *filt = strsep(&str, ","); + filters[len++] = parseFilter(filt); + } + return len; +} + +int main(int argc, char *argv[]) { + bool stdio = false; + char *outPath = NULL; + + for (int opt; 0 < (opt = getopt(argc, argv, "a:cd:fimo:prxy"));) { + switch (opt) { + break; case 'a': applyFilter = parseFilters(applyFilters, optarg); + break; case 'c': stdio = true; + break; case 'd': declFilter = parseFilters(declFilters, optarg); + break; case 'f': reconFilter = true; + break; case 'i': invertData = true; + break; case 'm': mirrorData = true; + break; case 'o': outPath = optarg; + break; case 'p': brokenPaeth = true; + break; case 'r': filterRecon = true; + break; case 'x': zeroX = true; + break; case 'y': zeroY = true; + break; default: return EX_USAGE; + } + } + + if (optind < argc) { + for (int i = optind; i < argc; ++i) { + glitch(argv[i], (stdio ? NULL : outPath ? outPath : argv[i])); + } + } else { + glitch(NULL, outPath); + } +} diff --git a/bin/hilex.c b/bin/hilex.c new file mode 100644 index 00000000..7d7b3f2d --- /dev/null +++ b/bin/hilex.c @@ -0,0 +1,406 @@ +/* Copyright (C) 2020 June McEnroe <june@causal.agency> + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <assert.h> +#include <ctype.h> +#include <err.h> +#include <regex.h> +#include <stdbool.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sys/wait.h> +#include <sysexits.h> +#include <unistd.h> + +#include "hilex.h" + +#define ARRAY_LEN(a) (sizeof(a) / sizeof(a[0])) + +static const char *Class[] = { +#define X(class) [class] = #class, + ENUM_CLASS +#undef X +}; + +static FILE *yyin; +static char *yytext; +static int yylex(void) { + static size_t cap = 0; + return (getline(&yytext, &cap, yyin) < 0 ? None : Normal); +} +static const struct Lexer LexText = { yylex, &yyin, &yytext }; + +static const struct { + const struct Lexer *lexer; + const char *name; + const char *namePatt; + const char *linePatt; +} Lexers[] = { + { &LexC, "c", "[.][chlmy]$", NULL }, + { &LexMake, "make", "[.](mk|am)$|^Makefile$", NULL }, + { &LexMdoc, "mdoc", "[.][1-9]$", "^[.]Dd" }, + { &LexSh, "sh", "[.]sh$|^[.](profile|shrc)$", "^#![ ]?/bin/k?sh" }, + { &LexText, "text", "[.]txt$", NULL }, +}; + +static const struct Lexer *parseLexer(const char *name) { + for (size_t i = 0; i < ARRAY_LEN(Lexers); ++i) { + if (!strcmp(name, Lexers[i].name)) return Lexers[i].lexer; + } + errx(EX_USAGE, "unknown lexer %s", name); +} + +static void ungets(const char *str, FILE *file) { + size_t len = strlen(str); + for (size_t i = len-1; i < len; --i) { + int ch = ungetc(str[i], file); + if (ch == EOF) errx(EX_IOERR, "cannot push back string"); + } +} + +static const struct Lexer *matchLexer(const char *name, FILE *file) { + char buf[256]; + regex_t regex; + for (size_t i = 0; i < ARRAY_LEN(Lexers); ++i) { + int error = regcomp( + ®ex, Lexers[i].namePatt, REG_EXTENDED | REG_NOSUB + ); + assert(!error); + error = regexec(®ex, name, 0, NULL, 0); + regfree(®ex); + if (!error) return Lexers[i].lexer; + } + char *line = fgets(buf, sizeof(buf), file); + if (!line) return NULL; + for (size_t i = 0; i < ARRAY_LEN(Lexers); ++i) { + if (!Lexers[i].linePatt) continue; + int error = regcomp( + ®ex, Lexers[i].linePatt, REG_EXTENDED | REG_NOSUB + ); + assert(!error); + error = regexec(®ex, line, 0, NULL, 0); + regfree(®ex); + if (!error) { + ungets(line, file); + return Lexers[i].lexer; + } + } + ungets(line, file); + return NULL; +} + +#define ENUM_OPTION \ + X(Document, "document") \ + X(Inline, "inline") \ + X(Monospace, "monospace") \ + X(Pre, "pre") \ + X(Style, "style") \ + X(Tab, "tab") \ + X(Title, "title") + +enum Option { +#define X(option, key) option, + ENUM_OPTION +#undef X + OptionCap, +}; + +typedef void Header(const char *opts[]); +typedef void Output(const char *opts[], enum Class class, const char *text); + +static bool pager; +static void ansiHeader(const char *opts[]) { + (void)opts; + if (!pager) return; + const char *shell = getenv("SHELL"); + const char *pager = getenv("PAGER"); + if (!shell) shell = "/bin/sh"; + if (!pager) pager = "less"; + setenv("LESS", "FRX", 0); + + int rw[2]; + int error = pipe(rw); + if (error) err(EX_OSERR, "pipe"); + + pid_t pid = fork(); + if (pid < 0) err(EX_OSERR, "fork"); + if (!pid) { + dup2(rw[0], STDIN_FILENO); + close(rw[0]); + close(rw[1]); + execl(shell, shell, "-c", pager, NULL); + err(EX_CONFIG, "%s", shell); + } + dup2(rw[1], STDOUT_FILENO); + close(rw[0]); + close(rw[1]); + setlinebuf(stdout); + +#ifdef __OpenBSD__ + error = pledge("stdio", NULL); + if (error) err(EX_OSERR, "pledge"); +#endif +} + +static void ansiFooter(const char *opts[]) { + (void)opts; + if (!pager) return; + int status; + fclose(stdout); + wait(&status); +} + +static const char *SGR[ClassCap] = { + [Keyword] = "37", + [Macro] = "32", + [Comment] = "34", + [String] = "36", + [Format] = "36;1;96", + [Subst] = "33", +}; + +static void ansiFormat(const char *opts[], enum Class class, const char *text) { + (void)opts; + if (!SGR[class]) { + printf("%s", text); + return; + } + // Set color on each line for piping to less -R: + for (const char *nl; (nl = strchr(text, '\n')); text = &nl[1]) { + printf("\33[%sm%.*s\33[m\n", SGR[class], (int)(nl - text), text); + } + if (*text) printf("\33[%sm%s\33[m", SGR[class], text); +} + +static void +debugFormat(const char *opts[], enum Class class, const char *text) { + if (class != Normal) { + printf("%s(", Class[class]); + ansiFormat(opts, class, text); + printf(")"); + } else { + printf("%s", text); + } +} + +static const char *IRC[ClassCap] = { + [Keyword] = "\00315", + [Macro] = "\0033", + [Comment] = "\0032", + [String] = "\00310", + [Format] = "\00311", + [Subst] = "\0037", +}; + +static void ircHeader(const char *opts[]) { + if (opts[Monospace]) printf("\21"); +} + +static const char *stop(const char *text) { + return (*text == ',' || isdigit(*text) ? "\2\2" : ""); +} + +static void ircFormat(const char *opts[], enum Class class, const char *text) { + for (const char *nl; (nl = strchr(text, '\n')); text = &nl[1]) { + if (IRC[class]) printf("%s%s", IRC[class], stop(text)); + printf("%.*s\n", (int)(nl - text), text); + if (opts[Monospace]) printf("\21"); + } + if (*text) { + if (IRC[class]) { + printf("%s%s%s\17", IRC[class], stop(text), text); + if (opts[Monospace]) printf("\21"); + } else { + printf("%s", text); + } + } +} + +static void htmlEscape(const char *text) { + while (*text) { + switch (*text) { + break; case '"': text++; printf("""); + break; case '&': text++; printf("&"); + break; case '<': text++; printf("<"); + } + size_t len = strcspn(text, "\"&<"); + if (len) fwrite(text, len, 1, stdout); + text += len; + } +} + +static const char *Styles[ClassCap] = { + [Keyword] = "color: dimgray;", + [Macro] = "color: green;", + [Comment] = "color: navy;", + [String] = "color: teal;", + [Format] = "color: teal; font-weight: bold;", + [Subst] = "color: olive;", +}; + +static void styleTabSize(const char *tab) { + printf("-moz-tab-size: "); + htmlEscape(tab); + printf("; tab-size: "); + htmlEscape(tab); + printf(";"); +} + +static void htmlHeader(const char *opts[]) { + if (!opts[Document]) goto body; + + printf("<!DOCTYPE html>\n<title>"); + if (opts[Title]) htmlEscape(opts[Title]); + printf("</title>\n"); + + if (opts[Style]) { + printf("<link rel=\"stylesheet\" href=\""); + htmlEscape(opts[Style]); + printf("\">\n"); + } else if (!opts[Inline]) { + printf("<style>\n"); + if (opts[Tab]) { + printf("pre.hilex { "); + styleTabSize(opts[Tab]); + printf(" }\n"); + } + for (enum Class class = 0; class < ClassCap; ++class) { + if (!Styles[class]) continue; + printf("pre.hilex .%.2s { %s }\n", Class[class], Styles[class]); + } + printf("</style>\n"); + } + +body: + if ((opts[Document] || opts[Pre]) && opts[Inline] && opts[Tab]) { + printf("<pre class=\"hilex\" style=\""); + styleTabSize(opts[Tab]); + printf("\">"); + } else if (opts[Document] || opts[Pre]) { + printf("<pre class=\"hilex\">"); + } +} + +static void htmlFooter(const char *opts[]) { + if (opts[Document] || opts[Pre]) printf("</pre>"); + if (opts[Document]) printf("\n"); +} + +static void htmlFormat(const char *opts[], enum Class class, const char *text) { + if (class != Normal) { + if (opts[Inline]) { + printf("<span style=\"%s\">", Styles[class] ? Styles[class] : ""); + } else { + printf("<span class=\"%.2s\">", Class[class]); + } + htmlEscape(text); + printf("</span>"); + } else { + htmlEscape(text); + } +} + +static const struct Formatter { + const char *name; + Header *header; + Output *format; + Header *footer; +} Formatters[] = { + { "ansi", ansiHeader, ansiFormat, ansiFooter }, + { "debug", NULL, debugFormat, NULL }, + { "html", htmlHeader, htmlFormat, htmlFooter }, + { "irc", ircHeader, ircFormat, NULL }, +}; + +static const struct Formatter *parseFormatter(const char *name) { + for (size_t i = 0; i < ARRAY_LEN(Formatters); ++i) { + if (!strcmp(name, Formatters[i].name)) return &Formatters[i]; + } + errx(EX_USAGE, "unknown formatter %s", name); +} + +static char *const OptionKeys[OptionCap + 1] = { +#define X(option, key) [option] = key, + ENUM_OPTION +#undef X + NULL, +}; + +int main(int argc, char *argv[]) { + bool text = false; + const char *name = NULL; + const struct Lexer *lexer = NULL; + const struct Formatter *formatter = &Formatters[0]; + const char *opts[OptionCap] = {0}; + + for (int opt; 0 < (opt = getopt(argc, argv, "f:l:n:o:t"));) { + switch (opt) { + break; case 'f': formatter = parseFormatter(optarg); + break; case 'l': lexer = parseLexer(optarg); + break; case 'n': name = optarg; + break; case 'o': { + while (*optarg) { + char *val; + int key = getsubopt(&optarg, OptionKeys, &val); + if (key < 0) errx(EX_USAGE, "no such option %s", val); + opts[key] = (val ? val : ""); + } + } + break; case 't': text = true; + break; default: return EX_USAGE; + } + } + + const char *path = "(stdin)"; + FILE *file = stdin; + if (optind < argc) { + path = argv[optind]; + file = fopen(path, "r"); + if (!file) err(EX_NOINPUT, "%s", path); + pager = isatty(STDOUT_FILENO); + } + +#ifdef __OpenBSD__ + int error; + if (formatter->header == ansiHeader && pager) { + error = pledge("stdio proc exec", NULL); + } else { + error = pledge("stdio", NULL); + } + if (error) err(EX_OSERR, "pledge"); +#endif + + if (!name) { + if (NULL != (name = strrchr(path, '/'))) { + name++; + } else { + name = path; + } + } + if (!opts[Title]) opts[Title] = name; + if (!lexer) lexer = matchLexer(name, file); + if (!lexer && text) lexer = &LexText; + if (!lexer) errx(EX_USAGE, "cannot infer lexer for %s", name); + + *lexer->in = file; + if (formatter->header) formatter->header(opts); + for (enum Class class; None != (class = lexer->lex());) { + assert(class < ClassCap); + formatter->format(opts, class, *lexer->text); + } + if (formatter->footer) formatter->footer(opts); +} diff --git a/bin/hilex.h b/bin/hilex.h new file mode 100644 index 00000000..b57fc8cc --- /dev/null +++ b/bin/hilex.h @@ -0,0 +1,50 @@ +/* Copyright (C) 2020 June McEnroe <june@causal.agency> + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <stdio.h> + +#define ENUM_CLASS \ + X(None) \ + X(Normal) \ + X(Operator) \ + X(Number) \ + X(Keyword) \ + X(Ident) \ + X(Macro) \ + X(Comment) \ + X(String) \ + X(Escape) \ + X(Format) \ + X(Subst) + +enum Class { +#define X(class) class, + ENUM_CLASS +#undef X + ClassCap, +}; + +typedef int Lex(void); +struct Lexer { + Lex *lex; + FILE **in; + char **text; +}; + +extern const struct Lexer LexC; +extern const struct Lexer LexMake; +extern const struct Lexer LexMdoc; +extern const struct Lexer LexSh; diff --git a/bin/htagml.c b/bin/htagml.c new file mode 100644 index 00000000..1f547be6 --- /dev/null +++ b/bin/htagml.c @@ -0,0 +1,223 @@ +/* Copyright (C) 2021 June McEnroe <june@causal.agency> + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <ctype.h> +#include <err.h> +#include <stdbool.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sysexits.h> +#include <unistd.h> + +static char *deregex(const char *patt) { + char *buf = malloc(strlen(patt) + 1); + if (!buf) err(EX_OSERR, "malloc"); + char *ptr = buf; + if (*patt == '^') patt++; + for (; *patt; ++patt) { + if (patt[0] == '$' && !patt[1]) { + *ptr++ = '\n'; + break; + } + if (patt[0] == '\\' && patt[1]) patt++; + *ptr++ = *patt; + } + *ptr = '\0'; + return buf; +} + +static size_t escape(bool esc, const char *ptr, size_t len) { + if (!esc) { + fwrite(ptr, len, 1, stdout); + return len; + } + for (size_t i = 0; i < len; ++i) { + switch (ptr[i]) { + break; case '&': printf("&"); + break; case '<': printf("<"); + break; case '"': printf("""); + break; default: putchar(ptr[i]); + } + } + return len; +} + +static void id(const char *tag) { + for (const char *ch = tag; *ch; ++ch) { + if (isalnum(*ch) || strchr("-._", *ch)) { + putchar(*ch); + } else { + putchar('_'); + } + } +} + +static char *hstrstr(const char *haystack, const char *needle) { + while (haystack) { + char *elem = strchr(haystack, '<'); + char *match = strstr(haystack, needle); + if (!match) return NULL; + if (!elem || match < elem) return match; + haystack = strchr(elem, '>'); + } + return NULL; +} + +static int isident(int c) { + return isalnum(c) || c == '_'; +} + +int main(int argc, char *argv[]) { + bool pre = false; + bool pipe = false; + bool main = false; + bool index = false; + const char *tagsPath = "tags"; + for (int opt; 0 < (opt = getopt(argc, argv, "f:impx"));) { + switch (opt) { + break; case 'f': tagsPath = optarg; + break; case 'i': pipe = true; + break; case 'm': main = true; + break; case 'p': pre = true; + break; case 'x': index = true; + break; default: return EX_USAGE; + } + } + if (optind == argc) errx(EX_USAGE, "name required"); + const char *name = argv[optind]; + + FILE *file = fopen(name, "r"); + if (!file) err(EX_NOINPUT, "%s", name); + + FILE *tagsFile = fopen(tagsPath, "r"); + if (!tagsFile) err(EX_NOINPUT, "%s", tagsPath); + +#ifdef __OpenBSD__ + int error = pledge("stdio", NULL); + if (error) err(EX_OSERR, "pledge"); +#endif + + size_t len = 0; + size_t cap = 256; + struct Tag { + char *tag; + int num; + char *str; + size_t len; + } *tags = malloc(cap * sizeof(*tags)); + if (!tags) err(EX_OSERR, "malloc"); + + char *buf = NULL; + size_t bufCap = 0; + while (0 < getline(&buf, &bufCap, tagsFile)) { + char *line = buf; + char *tag = strsep(&line, "\t"); + char *file = strsep(&line, "\t"); + char *def = strsep(&line, "\n"); + if (!tag || !file || !def) errx(EX_DATAERR, "malformed tags file"); + + if (strcmp(file, name)) continue; + if (len == cap) { + tags = realloc(tags, (cap *= 2) * sizeof(*tags)); + if (!tags) err(EX_OSERR, "realloc"); + } + tags[len].tag = strdup(tag); + if (!tags[len].tag) err(EX_OSERR, "strdup"); + + tags[len].num = 0; + if (def[0] == '/' || def[0] == '?') { + def++; + def[strlen(def)-1] = '\0'; + if (def[0] != '^') { + warnx("unanchored regex for tag %s: %s", tag, def); + } + tags[len].str = deregex(def); + tags[len].len = strlen(tags[len].str); + } else { + tags[len].num = strtol(def, &def, 10); + if (*def) { + warnx("invalid line number for tag %s: %s", tag, def); + continue; + } + } + len++; + } + fclose(tagsFile); + + int num = 0; + printf(pre ? "<pre>" : index ? "<ul class=\"index\">\n" : ""); + while (0 < getline(&buf, &bufCap, file) && ++num) { + char *tag = NULL; + for (size_t i = 0; i < len; ++i) { + if (tags[i].num) { + if (num != tags[i].num) continue; + } else { + if (strncmp(tags[i].str, buf, tags[i].len)) continue; + } + tag = tags[i].tag; + tags[i] = tags[--len]; + break; + } + if (index) { + if (!tag) continue; + printf("<li><a class=\"tag\" href=\"#"); + id(tag); + printf("\">"); + escape(true, tag, strlen(tag)); + printf("</a></li>\n"); + continue; + } + if (pipe) { + ssize_t len = getline(&buf, &bufCap, stdin); + if (len < 0) { + errx(EX_DATAERR, "missing line %d on standard input", num); + } + } + if (!tag) { + escape(!pipe, buf, strlen(buf)); + continue; + } + + size_t mlen = strlen(tag); + char *match = (pipe ? hstrstr : strstr)(buf, tag); + while ( + match && + ((match > buf && isident(match[-1])) || isident(match[mlen])) + ) { + match = (pipe ? hstrstr : strstr)(&match[mlen], tag); + } + if (!match && tag[0] == 'M') { + mlen = 4; + match = (pipe ? hstrstr : strstr)(buf, "main"); + if (main) tag = "main"; + } + if (!match) { + mlen = strlen(buf) - 1; + match = buf; + } + escape(!pipe, buf, match - buf); + printf("<a class=\"tag\" id=\""); + id(tag); + printf("\" href=\"#"); + id(tag); + printf("\">"); + match += escape(!pipe, match, mlen); + printf("</a>"); + escape(!pipe, match, strlen(match)); + } + printf(pre ? "</pre>" : index ? "</ul>\n" : ""); +} diff --git a/bin/html.mk b/bin/html.mk new file mode 100644 index 00000000..818c6cf5 --- /dev/null +++ b/bin/html.mk @@ -0,0 +1,47 @@ +WEBROOT ?= /var/www/causal.agency + +HTMLS = index.html png.html +HTMLS += ${BINS:=.html} +HTMLS += ${BSD:=.html} +HTMLS += ${GAMES:=.html} +HTMLS += ${TLS:=.html} + +html: ${HTMLS} + @true + +install-html: ${HTMLS} + install -d ${WEBROOT}/bin + install -C -m 644 ${HTMLS} ${WEBROOT}/bin + +${HTMLS}: html.sh scheme hilex htagml htmltags + +htmltags: *.[chly] mtags Makefile html.mk *.sh + rm -f $@ + for f in *.[chly]; do ctags -aw -f $@ $$f; done + ./mtags -a -f $@ Makefile html.mk *.sh + +index.html: README.7 Makefile html.mk html.sh + sh html.sh README.7 Makefile html.mk html.sh > $@ + +.SUFFIXES: .html + +.c.html: + sh html.sh man1/${<:.c=.1} $< > $@ + +.h.html: + sh html.sh man3/${<:.h=.3} $< > $@ + +.l.html: + sh html.sh man1/${<:.l=.1} $< > $@ + +.y.html: + sh html.sh man1/${<:.y=.1} $< > $@ + +.sh.html: + sh html.sh man1/${<:.sh=.1} $< > $@ + +.pl.html: + sh html.sh man1/${<:.pl=.1} $< > $@ + +freecell.html: freecell.c man6/freecell.6 + sh html.sh man6/freecell.6 freecell.c > $@ diff --git a/bin/html.sh b/bin/html.sh new file mode 100644 index 00000000..3223120b --- /dev/null +++ b/bin/html.sh @@ -0,0 +1,66 @@ +#!/bin/sh +set -eu + +readonly GitURL='https://git.causal.agency/src/tree/bin' + +man=$1 +shift +title=${man##*/} +title=${title%.[1-9]} + +cat <<EOF +<!DOCTYPE html> +<meta charset="UTF-8"> +<meta name="viewport" content="width=device-width, initial-scale=1.0"/> +<title>${title}</title> +<style> +html { line-height: 1.25em; font-family: monospace; } +body { max-width: 80ch; margin: 1em auto; padding: 0 1ch; } + +table.head, table.foot { width: 100%; } +td.head-rtitle, td.foot-os { text-align: right; } +td.head-vol { text-align: center; } +div.Pp { margin: 1ex 0ex; } +div.Nd, div.Bf, div.Op { display: inline; } +span.Pa, span.Ad { font-style: italic; } +span.Ms { font-weight: bold; } +dl.Bl-diag > dt { font-weight: bold; } +code.Nm, code.Fl, code.Cm, code.Ic, code.In, code.Fd, code.Fn, +code.Cd { font-weight: bold; font-family: inherit; } + +table { border-collapse: collapse; } +table.Nm code.Nm { padding-right: 1ch; } +table.foot { margin-top: 1em; } + +ul.index { padding: 0; } +ul.index li { display: inline; list-style-type: none; } +pre { -moz-tab-size: 4; tab-size: 4; } + +$(./scheme -st) +html { background-color: var(--ansi16); color: var(--ansi17); } +a { color: var(--ansi4); } +a:visited { color: var(--ansi5); } +a.permalink, a.tag { color: var(--ansi3); text-decoration: none; } +a.permalink > code:target, *:target > a.permalink, +a.tag:target { color: var(--ansi11); } +pre .Ke { color: var(--ansi7); } +pre .Ma { color: var(--ansi2); } +pre .Co { color: var(--ansi4); } +pre .St { color: var(--ansi6); } +pre .Fo { color: var(--ansi14); } +pre .Su { color: var(--ansi1); } +</style> +EOF + +opts=fragment +[ "${man}" = "README.7" ] && opts=${opts},man=%N.html +mandoc -T html -O ${opts} "${man}" + +for src; do + cat <<-EOF + <p> + <a href="${GitURL}/${src}">${src} in git</a> + EOF + ./htagml -x -f htmltags "${src}" + ./hilex -t -f html "${src}" | ./htagml -ip -f htmltags "${src}" +done diff --git a/bin/make.l b/bin/make.l new file mode 100644 index 00000000..6296716d --- /dev/null +++ b/bin/make.l @@ -0,0 +1,127 @@ +/* Copyright (C) 2020 June McEnroe <june@causal.agency> + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +%option prefix="make" +%option noinput nounput noyywrap + +%{ +#include "hilex.h" +%} + +%s Assign Preproc +%x Variable Shell + +ident [._[:alnum:]]+ +assign [+?:!]?= +target [-._/?*\[\][:alnum:]]+ +operator [:!]|:: + +%% + static int pop = INITIAL; + static int depth = 0; + +^"\t"+ { + BEGIN(pop = Shell); + return Normal; +} +<Shell>{ + "\n" { + BEGIN(pop = INITIAL); + return Normal; + } + "\\\n" { return Normal; } + [^\\\n$]+|. { return Normal; } +} + +[[:blank:]]+ { return Normal; } + +{operator} { return Operator; } + +"."(PHONY|PRECIOUS|SUFFIXES)/{operator}? { + return Keyword; +} + +{target}/{operator} { return Ident; } + +^"."{ident} | +^"-"?include { + BEGIN(pop = Preproc); + return Macro; +} +<Preproc>{ + "\n" { + BEGIN(pop = INITIAL); + return Normal; + } + "\\\n""\t"? { return Normal; } + + "\""[^""]*"\"" | + "<"[^>]*">" { + return String; + } + + [!<>=]"="?|"||"|"&&" { return Operator; } + [0-9]+|"0x"[[:xdigit:]]+ { return Number; } + defined|make|empty|exists|target|commands|in { return Keyword; } +} + +^{ident}/[[:blank:]]*{assign} { + return Ident; +} + +{assign} { + BEGIN(pop = Assign); + return Operator; +} +<Assign>{ + "\n" { + BEGIN(pop = INITIAL); + return Normal; + } + "\\\n""\t"? { return Escape; } + [^\\$[:space:]]+|. { return String; } +} + +{target} { return Ident; } + +"#"([^\\\n]|"\\"[^\n]|"\\\n")* { return Comment; } + +<*>{ + "$"("{"|"(")/[^$] { + depth++; + BEGIN(Variable); + yymore(); + } + "$"("{"|"(") { + depth++; + BEGIN(Variable); + return Subst; + } + "$". { return Subst; } +} +<Variable>{ + [^${}()]*"}"|")" { + if (!--depth) BEGIN(pop); + return Subst; + } + [^${}()]+ { return Subst; } +} + +.|\n { return Normal; } + +%% + +const struct Lexer LexMake = { yylex, &yyin, &yytext }; diff --git a/bin/man1/beef.1 b/bin/man1/beef.1 new file mode 100644 index 00000000..ea52cfa0 --- /dev/null +++ b/bin/man1/beef.1 @@ -0,0 +1,91 @@ +.Dd August 28, 2019 +.Dt BEEF 1 +.Os +. +.Sh NAME +.Nm beef +.Nd Befunge-93 interpreter +. +.Sh SYNOPSIS +.Nm +.Op Ar file +. +.Sh DESCRIPTION +.Nm +is a Befunge-93 interpreter. +If no +.Ar file +is provided, +the program is read from standard input. +. +.Ss Befunge-93 Command Summary +.Bl -tag -width "0-9" -compact +.It \(dq +toggle string mode +.It 0-9 +push value +.It + +add +.It - +subtract +.It * +multiply +.It / +divide +.It % +modulo +.It ! +not +.It ` +greater than +.It > +right +.It < +left +.It ^ +up +.It v +down +.It ? +random +.It _ +horizontal (left) if +.It | +vertical (up) if +.It : +duplicate +.It \e +swap +.It $ +drop +.It . +output integer +.It , +output ASCII +.It # +bridge +.It g +get (y, x) +.It p +put (y, x) = v +.It & +input integer +.It ~ +input ASCII +.It @ +exit +.El +. +.Sh EXIT STATUS +.Nm +exits with the top value left on the stack, +or 0 if the stack is left empty. +. +.Sh STANDARDS +.Rs +.%A Chris Pressey +.%Q Cat's Eye Technologies +.%T Befunge-93 +.%D September, 1993 +.%U https://github.com/catseye/Befunge-93/blob/master/doc/Befunge-93.markdown +.Re diff --git a/bin/man1/bibsort.1 b/bin/man1/bibsort.1 new file mode 100644 index 00000000..07ed91ef --- /dev/null +++ b/bin/man1/bibsort.1 @@ -0,0 +1,40 @@ +.Dd February 16, 2021 +.Dt BIBSORT 1 +.Os +. +.Sh NAME +.Nm bibsort +.Nd reformat bibliography +. +.Sh SYNOPSIS +.Nm +.Op Ar file +. +.Sh DESCRIPTION +.Nm +reformats on standard output +the +.Em STANDARDS +section of the +.Xr mdoc 7 +manual page +.Ar file +or standard input. +Bibliographic references +are sorted by author last names, +and formatted in an item list +with macro lines appearing +in the order they are formatted by +.Xr mandoc 1 . +Additionally, +.Ic \&%N +macros referencing RFC numbers +are rewritten to +.Ic \&%R +macros +and missing +.Ic \&%U +macros are added for RFCs. +. +.Sh EXAMPLES +.Dl :%!bibsort diff --git a/bin/man1/bit.1 b/bin/man1/bit.1 new file mode 100644 index 00000000..b91a10e1 --- /dev/null +++ b/bin/man1/bit.1 @@ -0,0 +1,55 @@ +.Dd December 30, 2020 +.Dt BIT 1 +.Os +. +.Sh NAME +.Nm bit +.Nd a calculator +. +.Sh SYNOPSIS +.Nm +. +.Sh DESCRIPTION +.Nm +is an integer calculator. +Its syntax resembles that of C expressions, +with the following changes: +. +.Bl -bullet +.It +Underscores are allowed in integer literals. +.It +The +.Sy 0b +prefix is used for binary literals. +.It +The +.Sy -> +operator is used for arithmetic shift. +.It +The unary +.Sy & +operator is equivalent to +.Sy (1 << x) - 1 . +.It +The postfix operators +.Sy K , +.Sy M , +.Sy G , +.Sy T +are used as constant multipliers. +.It +The postfix operator +.Sy $ +is of lowest precedence and is equivalent to +wrapping the preceding expression in parentheses. +.It +Single-letter (lower case) variables +can be assigned. +The variable +.Sy _ +stores the previous result. +.El +. +.Sh SEE ALSO +.Xr operator 7 diff --git a/bin/man1/c.1 b/bin/man1/c.1 new file mode 100644 index 00000000..97384ebe --- /dev/null +++ b/bin/man1/c.1 @@ -0,0 +1,45 @@ +.Dd January 9, 2021 +.Dt C 1 +.Os +. +.Sh NAME +.Nm c +.Nd run C +. +.Sh SYNOPSIS +.Nm +.Op Fl t +.Op Fl e Ar expr +.Op Fl i Ar include +.Op Ar stmts ... +. +.Sh DESCRIPTION +The +.Nm +utility compiles and runs +C statements wrapped in +.Fn main +with common includes. +If no +.Ar expr +or +.Ar stmts +are provided, +statements are read from standard input. +. +.Pp +The arguments are as follows: +.Bl -tag -width Ds +.It Fl e Ar expr +Print the result of the C expression +.Ar expr +after executing +.Ar stmts . +.It Fl i Ar include +Add the include file +.Ar include . +.It Fl t +With +.Fl e , +print the type of the expression. +.El diff --git a/bin/man1/dehtml.1 b/bin/man1/dehtml.1 new file mode 100644 index 00000000..c55c35d4 --- /dev/null +++ b/bin/man1/dehtml.1 @@ -0,0 +1,38 @@ +.Dd September 7, 2021 +.Dt DEHTML 1 +.Os +. +.Sh NAME +.Nm dehtml +.Nd extract text from HTML +. +.Sh SYNOPSIS +.Nm +.Op Fl s +.Op Ar +. +.Sh DESCRIPTION +The +.Nm +utility extracts text +from HTML documents. +Text inside +.Sy <title> , +.Sy <style> +and +.Sy <script> +tags is discarded. +Numeric and common named HTML entities +are converted. +. +.Pp +The arguments are as follows: +.Bl -tag -width Ds +.It Fl s +Collapse whitespace outside of +.Sy <pre> +tags. +.El +. +.Sh BUGS +There is no way to extract image alt text. diff --git a/bin/man1/downgrade.1 b/bin/man1/downgrade.1 new file mode 100644 index 00000000..e1a594b7 --- /dev/null +++ b/bin/man1/downgrade.1 @@ -0,0 +1,122 @@ +.Dd September 14, 2021 +.Dt DOWNGRADE 1 +.Os +. +.Sh NAME +.Nm downgrade +.Nd IRC features for all +. +.Sh SYNOPSIS +.Nm +.Op Fl iv +.Op Fl c Ar cert +.Op Fl j Ar join +.Op Fl k Ar priv +.Op Fl n Ar nick +.Op Fl p Ar port +.Ar host +. +.Sh DESCRIPTION +The +.Nm +IRC bot downgrades new IRC +.Dq features +so +.Em everyone +can see them. +It supports typing notifications, +message reactions +and message replies. +. +.Pp +The arguments are as follows: +.Bl -tag -width Ds +.It Fl c Ar cert +Load the TLS client certificate from +.Ar cert +and authenticate using SASL EXTERNAL. +.It Fl i +Accept invites to channels. +.It Fl j Ar join +Join the channel list +.Ar join . +.It Fl k Ar priv +Load the TLS client private key from +.Ar priv . +The default is the same path as +.Ar cert . +.It Fl n Ar nick +Set the nickname and username to +.Ar nick . +The default is +.Nm . +.It Fl p Ar port +Connect to +.Ar port . +The default is 6697. +.It Fl v +Log IRC protocol. +.It Ar host +Connect to +.Ar host . +.El +. +.Sh EXAMPLES +.Bd -literal +-downgrade- * guest-n4 is typing... +<guest-n4> wtf +-downgrade- * june reacted to guest-n4's message ("wtf") with "\[u1F44D]" +-downgrade- * guest-n4 is typing... +-downgrade- * guest-n4 has given up :( +.Ed +.Bd -literal +<june> ,bef +-downgrade- * tildebot is typing... +<tildebot> [Ducks] june: There was no duck! +-downgrade- * tildebot was replying to june's message (",bef") +.Ed +. +.Sh STANDARDS +.Bl -item +.It +.Rs +.%A Kiyoshi Aman +.%A Kyle Fuller +.%A St\('ephan Kochen +.%A Alexey Sokolov +.%A James Wheare +.%T Message Tags +.%U https://ircv3.net/specs/extensions/message-tags +.Re +.It +.Rs +.%A MuffinMedic +.%A James Wheare +.%T typing client tag +.%U https://ircv3.net/specs/client-tags/typing +.Re +.It +.Rs +.%A Daniel Oaks +.%T Bot Mode +.%U https://ircv3.net/specs/extensions/bot-mode +.Re +.It +.Rs +.%A James Wheare +.%T Message IDs +.%U https://ircv3.net/specs/extensions/message-ids +.Re +.It +.Rs +.%A James Wheare +.%T react client tag +.%U https://ircv3.net/specs/client-tags/react +.Re +.It +.Rs +.%A James Wheare +.%T reply client tag +.%U https://ircv3.net/specs/client-tags/reply +.Re +.El diff --git a/bin/man1/dtch.1 b/bin/man1/dtch.1 new file mode 100644 index 00000000..e27713e1 --- /dev/null +++ b/bin/man1/dtch.1 @@ -0,0 +1,67 @@ +.Dd August 12, 2019 +.Dt DTCH 1 +.Os +. +.Sh NAME +.Nm dtch +.Nd detached sessions +. +.Sh SYNOPSIS +.Nm +.Op Fl s +.Ar name +.Op Ar command ... +.Nm +.Fl a +.Ar name +. +.Sh DESCRIPTION +.Nm +spawns a +.Ar command +in a detachable session. +If no +.Ar command +is given, +the value of +.Ev SHELL +is used. +The +.Nm +process +should be run as a background job +or with +.Xr nohup 1 . +. +.Pp +To attach to an existing session, +pass the +.Fl a +flag. +To detach from the session, +type +.Ic ^Q . +. +.Pp +The arguments are as follows: +.Bl -tag -width Ds +.It Fl a +Attach to an existing session. +.It Fl s +Sink the output of +.Ar command +while detached. +.El +. +.Sh FILES +.Bl -tag -width Ds +.It Pa ~/.dtch +Directory of UNIX-domain sockets +for each session. +.El +. +.Sh EXAMPLES +.Bd -literal -offset indent +dtch foo vim & +dtch -a foo +.Ed diff --git a/bin/man1/enc.1 b/bin/man1/enc.1 new file mode 100644 index 00000000..32845847 --- /dev/null +++ b/bin/man1/enc.1 @@ -0,0 +1,55 @@ +.Dd January 30, 2022 +.Dt ENC 1 +.Os +. +.Sh NAME +.Nm enc +.Nd encrypt and decrypt files +. +.Sh SYNOPSIS +.Nm +.Op Fl acdef +.Op Ar +. +.Sh DESCRIPTION +.Nm +encrypts and decrypts files +using ChaCha20 via +.Xr openssl 1 . +When encrypting files, +the +.Pa .enc +extension is added. +When decrypting files, +the +.Pa .enc +extension is removed, +if possible. +Otherwise output is written +to standard output. +Input files are not removed. +If no files are provided, +standard input is encrypted or decrypted. +. +.Pp +The arguments are as follows: +.Bl -tag -width Ds +.It Fl a +Encrypted data is Base64-encoded. +.It Fl c +Always write to standard output. +.It Fl d +Decrypt. +.It Fl e +Encrypt. +This is the default. +.It Fl f +Do not ask to confirm overwriting files. +.El +. +.Sh EXAMPLES +.Bd -literal -offset indent +$ enc secret.txt +$ rm secret.txt +$ enc -d secret.txt.enc +.Ed diff --git a/bin/man1/ever.1 b/bin/man1/ever.1 new file mode 100644 index 00000000..8cdab99b --- /dev/null +++ b/bin/man1/ever.1 @@ -0,0 +1,51 @@ +.Dd February 24, 2021 +.Dt EVER 1 +.Os +. +.Sh NAME +.Nm ever +.Nd watch files +. +.Sh SYNOPSIS +.Nm +.Op Fl iq +.Ar +.Ar command +.Nm +.Op Fl i +.Ar +.Fl - +.Ar command +.Op Ar argument ... +. +.Sh DESCRIPTION +.Nm +executes the +.Ar command +whenever +.Ar file +is modified. +. +.Pp +The arguments are as follows: +.Bl -tag -width Ds +.It Fl i +Attach the +.Ar file +which was modified +to the standard input of +.Ar command . +.It Fl q +Suppress exit status output. +.El +. +.Sh EXAMPLES +.Dl ever ever.c make +.Dl ever when.y ever.c -- make when ever +.Dl ever -i ever.1 mandoc +. +.Sh CAVEATS +.Nm +does not support Linux +since it uses +.Xr kqueue 2 . diff --git a/bin/man1/git-comment.1 b/bin/man1/git-comment.1 new file mode 100644 index 00000000..8e958f30 --- /dev/null +++ b/bin/man1/git-comment.1 @@ -0,0 +1,117 @@ +.Dd September 10, 2021 +.Dt GIT-COMMENT 1 +.Os +. +.Sh NAME +.Nm git-comment +.Nd add comments from commit messages +. +.Sh SYNOPSIS +.Nm git comment +.Op Fl \-all +.Op Fl \-comment-start Ar string +.Op Fl \-comment-lead Ar string +.Op Fl \-comment-end Ar string +.Op Fl \-min-group Ar lines +.Op Fl \-min-repeat Ar lines +.Op Fl \-no-repeat +.Op Fl \-pretty Ar format +.Op Ar options ... +.Op Fl \- +.Ar file +. +.Sh DESCRIPTION +The +.Nm +command +adds comments to a file +showing the commit messages +which last modified +each group of lines. +By default only commit messages with bodies +and which modified groups of at least 2 lines +are added. +Each comment contains +the abbreviated commit hash +and the commit summary, +followed by the commit body. +. +.Pp +.Nm +accepts all the options of +.Xr git-blame 1 +in addition to the following: +.Bl -tag -width Ds +.It Fl \-all +Include all commit messages. +The default is to include +only commit messages with bodies +(lines after the summary). +. +.It Fl \-comment-start Ar string +Start comments with +.Ar string . +The default is the value of +.Cm comment.start +or +.Ql /* . +. +.It Fl \-comment-lead Ar string +Continue comments with the leading +.Ar string . +The default is the value of +.Cm comment.lead +or +.Ql " *" . +. +.It Fl \-comment-end Ar string +End comments with +.Ar string . +The default is the value of +.Cm comment.end +or +.Ql " */" . +. +.It Fl \-min-group Ar lines +Add comments only for groups of at least +.Ar lines . +The default is 2 lines. +. +.It Fl \-min-repeat Ar lines +Avoid repeating a comment +if it occurred in the last +.Ar lines . +The default is 30 lines. +. +.It Fl \-no-repeat +Avoid repeating comments entirely. +. +.It Fl \-pretty Ar format +Set the pretty-print format +to use for commit messages. +The default is the value of +.Cm comment.pretty +or +.Ql format:%h\ %s%n%n%-b . +See +.Xr git-show 1 . +.El +. +.Sh EXAMPLES +For files with +.Ql # +comments: +.Bd -literal -offset indent +git config comment.start '#' +git config comment.lead '#' +git config comment.end '' +.Ed +. +.Pp +Add as many comments as possible: +.Bd -literal -offset indent +git comment --all --min-group 1 --min-repeat 1 +.Ed +. +.Sh SEE ALSO +.Xr git-blame 1 diff --git a/bin/man1/glitch.1 b/bin/man1/glitch.1 new file mode 100644 index 00000000..6562c4dc --- /dev/null +++ b/bin/man1/glitch.1 @@ -0,0 +1,77 @@ +.Dd September 7, 2018 +.Dt GLITCH 1 +.Os +. +.Sh NAME +.Nm glitch +.Nd PNG glitcher +. +.Sh SYNOPSIS +.Nm +.Op Fl cfimprxy +.Op Fl a Ar filters +.Op Fl d Ar filters +.Op Fl o Ar file +.Op Ar +. +.Sh DESCRIPTION +.Nm +misinterprets PNG files +according to the options given +to create natural glitch effects. +. +.Pp +The arguments are as follows: +.Bl -tag -width Ds +.It Fl a Ar filters +Apply a pattern of comma-separated filters. +Filters are +.Cm none , +.Cm sub , +.Cm up , +.Cm average , +.Cm paeth . +. +.It Fl c +Write to standard output. +. +.It Fl d Ar filters +Declare a pattern of comma-separated filters. +See +.Fl a +for list of filters. +. +.It Fl f +Apply filtering in place of reconstruction. +. +.It Fl i +Invert image data after filtering. +. +.It Fl m +Mirror scanlines after filtering. +. +.It Fl o Ar file +Write to +.Ar file . +. +.It Fl p +Use a broken Paeth predictor function. +. +.It Fl r +Apply reconstruction in place of filtering. +. +.It Fl x +Zero first pixel of each scanline after filtering. +. +.It Fl y +Zero first scanline after filtering. +.El +. +.Sh EXAMPLES +.Dl glitch -m -a sub -d sub +. +.Sh SEE ALSO +.Xr pngo 1 +. +.Sh BUGS +More wanted. diff --git a/bin/man1/hilex.1 b/bin/man1/hilex.1 new file mode 100644 index 00000000..80b3155b --- /dev/null +++ b/bin/man1/hilex.1 @@ -0,0 +1,218 @@ +.Dd January 20, 2021 +.Dt HILEX 1 +.Os +. +.Sh NAME +.Nm hilex +.Nd syntax highlighter +. +.Sh SYNOPSIS +.Nm +.Op Fl t +.Op Fl f Ar format +.Op Fl l Ar lexer +.Op Fl n Ar name +.Op Fl o Ar opts +.Op Ar file +. +.Sh DESCRIPTION +The +.Nm +utility +syntax highlights +the contents of +.Ar file +or standard input +and formats it on standard output. +. +.Pp +The arguments are as follows: +.Bl -tag -width "-f format" +.It Fl f Ar format +Set the output format. +See +.Sx Output Formats . +The default format is +.Cm ansi . +. +.It Fl l Ar lexer +Set the input lexer. +See +.Sx Input Lexers . +The default input lexer is inferred from +.Ar name +or the first line of input. +. +.It Fl n Ar name +Set the name used to infer the input lexer. +The default is the final component of +.Ar file . +. +.It Fl o Ar opts +Set output format options. +.Ar opts +is a comma-separated list of options. +Options for each output format are documented in +.Sx Output Formats . +. +.It Fl t +Default to the +.Cm text +input lexer if one cannot be inferred. +.El +. +.Ss Output Formats +.Bl -tag -width Ds +.It Cm ansi +Output ANSI terminal control sequences. +If standard output is a terminal +and standard input is not being read, +output is piped to +.Ev PAGER +with +.Ev LESS=FRX +if it is not already set. +. +.It Cm html +Output HTML +.Sy span +elements +with the following classes: +.Pp +.Bl -hang -width "\&Op" -compact +.It Sy \&Op +operators +.It Sy \&Nu +numbers +.It Sy \&Ke +keywords +.It Sy \&Id +identifiers +.It Sy \&Ma +macros +.It Sy \&Co +comments +.It Sy \&St +strings +.It Sy \&Es +character escapes +.It Sy \&Fo +format strings +.It Sy \&Su +variable substitutions +.El +.Pp +The options are as follows: +.Bl -tag -width "title=..." +.It Cm document +Output an HTML document containing a +.Sy pre +element. +.It Cm inline +Output inline style attributes +rather than classes. +.It Cm pre +Wrap the output in a +.Sy pre +element with the class +.Sy hilex . +.It Cm style Ns = Ns Ar url +With +.Cm document , +use the external stylesheet +.Ar url . +If unset, +default styles are included in a +.Sy style +element. +.It Cm tab Ns = Ns Ar n +With +.Cm document , +.Cm inline +or +.Cm pre , +set the +.Sy tab-size +property to +.Ar n . +.It Cm title Ns = Ns Ar ... +With +.Cm document , +set the +.Sy title +element text. +The default title is the same as +.Ar name . +.El +. +.It Cm irc +Output IRC formatting codes. +The options are as follows: +.Bl -tag -width "monospace" +.It Cm monospace +Use the IRCCloud monospace formatting code. +.El +.El +. +.Ss Input Lexers +.Bl -tag -width Ds +.It Cm c +The C11 language, +with minimal support for +.Xr lex 1 , +.Xr yacc 1 +and Objective-C input. +Inferred for +.Pa *.[chlmy] +files. +. +.It Cm make +BSD +.Xr make 1 . +Inferred for +.Pa Makefile , +.Pa *.mk +and +.Pa *.am +files. +. +.It Cm mdoc +The +.Xr mdoc 7 +language. +Inferred for +.Pa *.[1-9] +files +and files starting with +.Dq .Dd . +. +.It Cm sh +POSIX +.Xr sh 1 . +Since lexical analysis of +the shell command language +is effectively impossible, +this is best-effort only. +Inferred for +.Pa *.sh , +.Pa .profile , +.Pa .shrc +files +and files starting with +.Dq #!/bin/sh . +. +.It Cm text +Plain text. +Inferred for +.Pa *.txt +files. +.El +. +.Sh ENVIRONMENT +.Bl -tag -width "PAGER" +.It Ev PAGER +The command to pipe ANSI output to +if standard output is a terminal. +The default is +.Ev PAGER=less . +.El diff --git a/bin/man1/htagml.1 b/bin/man1/htagml.1 new file mode 100644 index 00000000..d8cf6441 --- /dev/null +++ b/bin/man1/htagml.1 @@ -0,0 +1,75 @@ +.Dd October 1, 2021 +.Dt HTAGML 1 +.Os +. +.Sh NAME +.Nm htagml +.Nd format tagged file as HTML +. +.Sh SYNOPSIS +.Nm +.Op Fl imp | x +.Op Fl f Ar tagsfile +.Ar file +. +.Sh DESCRIPTION +The +.Nm +utility formats a file tagged with +.Xr ctags 1 +as HTML. +Tags are output as fragment hyperlinks +with the class +.Qq tag . +. +.Pp +The arguments are as follows: +.Bl -tag -width Ds +.It Fl f Ar tagsfile +Read the tag descriptions from a file called +.Ar tagsfile . +The default behavior is +to read them from a file called +.Pa tags . +.It Fl i +Assume +.Ar file +has been pre-formatted +on standard input, +such as by a syntax highlighter. +Only tag hyperlinks are added. +.It Fl m +Rename the +.Xr ctags 1 +.Sq M +tag to +.Sy main . +.It Fl p +Wrap the output in a +.Sy pre +element. +.It Fl x +Instead produce an index of tags +ordered by their occurrence in +.Ar file . +The index is formatted as a +.Sy ul +element with the class +.Qq index . +.El +. +.Sh FILES +.Bl -tag -width Ds +.It Pa tags +default input tags file +.El +. +.Sh EXAMPLES +.Bd -literal -offset indent +ctags htagml.c && htagml htagml.c +hilex -f html htagml.c | htagml -i htagml.c +.Ed +. +.Sh SEE ALSO +.Xr ctags 1 , +.Xr hilex 1 diff --git a/bin/man1/modem.1 b/bin/man1/modem.1 new file mode 100644 index 00000000..a4bbc3f1 --- /dev/null +++ b/bin/man1/modem.1 @@ -0,0 +1,31 @@ +.Dd December 8, 2020 +.Dt MODEM 1 +.Os +. +.Sh NAME +.Nm modem +.Nd fixed baud rate wrapper +. +.Sh SYNOPSIS +.Nm +.Op Fl r Ar rate +.Ar command ... +. +.Sh DESCRIPTION +.Nm +runs the +.Ar command +in a new PTY +with a fixed baud rate. +. +.Pp +The arguments are as follows: +.Bl -tag -width Ds +.It Fl r Ar rate +Set the baud rate. +The default is 19200. +.El +. +.Sh BUGS +Window size changes are not propagated +to the child PTY. diff --git a/bin/man1/mtags.1 b/bin/man1/mtags.1 new file mode 100644 index 00000000..57856ba0 --- /dev/null +++ b/bin/man1/mtags.1 @@ -0,0 +1,76 @@ +.Dd January 20, 2021 +.Dt MTAGS 1 +.Os +. +.Sh NAME +.Nm mtags +.Nd miscellaneous tags +. +.Sh SYNOPSIS +.Nm +.Op Fl a +.Op Fl f Ar tagsfile +.Ar +. +.Sh DESCRIPTION +The +.Nm +utility +makes a +.Pa tags +file for +.Xr ex 1 +from the specified +.Xr make 1 , +.Xr mdoc 7 +.Xr sh 1 +sources. +. +.Pp +The arguments are as follows: +.Bl -tag -width Ds +.It Fl a +Append to +.Pa tags +file. +.It Fl f Ar tagsfile +Place the tag descriptions +in a file called +.Ar tagsfile . +The default behaviour is +to place them in a file called +.Pa tags . +.El +. +.Pp +Files whose names are +.Pa Makefile +or end in +.Pa .mk +are assumed to be +.Xr make 1 +files. +Files whose names end in +.Pa .[1-9] +are assumed to be +.Xr mdoc 7 +files. +Files whose names are +.Pa .profile , +.Pa .shrc +or end in +.Pa .sh +are assumed to be +.Xr sh 1 +files. +. +.Sh FILES +.Bl -tag -width Ds +.It Pa tags +default output tags file +.El +. +.Sh SEE ALSO +.Xr ctags 1 , +.Xr ex 1 , +.Xr vi 1 diff --git a/bin/man1/nudge.1 b/bin/man1/nudge.1 new file mode 100644 index 00000000..3ca4294a --- /dev/null +++ b/bin/man1/nudge.1 @@ -0,0 +1,44 @@ +.Dd September 4, 2020 +.Dt NUDGE 1 +.Os +. +.Sh NAME +.Nm nudge +.Nd terminal vibrator +. +.Sh SYNOPSIS +.Nm +.Op Fl f Ar file +.Op Fl n Ar count +.Op Fl s Ar shake +.Op Fl t Ar delay +. +.Sh DESCRIPTION +The +.Nm +utility +nudges the terminal. +An +.Xr xterm 1 +compatible terminal is required. +. +.Pp +The arguments are as follows: +.Bl -tag -width Ds +.It Fl f Ar file +Open the terminal named by +.Ar file . +The default is +.Pa /dev/tty . +.It Fl n Ar count +Set the number of times +to nudge the terminal. +The default is 2. +.It Fl s Ar shake +Set the shake intensity in pixels. +The default is 10. +.It Fl t Ar delay +Set the interval between shakes +in milliseconds. +The default is 20. +.El diff --git a/bin/man1/order.1 b/bin/man1/order.1 new file mode 100644 index 00000000..89fcbda5 --- /dev/null +++ b/bin/man1/order.1 @@ -0,0 +1,38 @@ +.Dd July 18, 2020 +.Dt ORDER 1 +.Os +. +.Sh NAME +.Nm order +.Nd operator precedence +. +.Sh SYNOPSIS +.Nm +.Op Ar expr ... +. +.Sh DESCRIPTION +.Nm +parses C expressions +and prints them with parentheses +according to the precedence rules in +.Xr operator 7 . +If no +.Ar expr +are given, +an expression is read +from standard input. +. +.Sh EXAMPLES +.Bd -literal +$ order 'a & b << 1' +(a & (b << 1)) +.Ed +. +.Sh SEE ALSO +.Xr operator 7 +. +.Sh CAVEATS +.Nm +does not support the +.Sy (type) +operator. diff --git a/bin/man1/pbd.1 b/bin/man1/pbd.1 new file mode 100644 index 00000000..f0665891 --- /dev/null +++ b/bin/man1/pbd.1 @@ -0,0 +1,66 @@ +.Dd February 9, 2021 +.Dt PBD 1 +.Os +. +.Sh NAME +.Nm pbd +.Nd macOS pasteboard daemon +. +.Sh SYNOPSIS +.Nm Op Fl s | c | p | o Ar url +. +.Sh DESCRIPTION +.Nm +is a daemon which pipes into macOS +.Xr pbcopy 1 , +from +.Xr pbpaste 1 +and invokes +.Xr open 1 +in response to messages +sent over TCP port 7062. +. +.Pp +The socket can be forwarded through +.Xr ssh 1 +and the flags can be used remotely +to access the local pasteboard +and open URLs. +. +.Pp +Forwarding can be configured with: +.Pp +.Dl RemoteForward 7062 127.0.0.1:7062 +. +.Pp +The arguments are as follows: +.Bl -tag -width Ds +.It Fl c +Behave as +.Xr pbcopy 1 . +.It Fl o Ar url +Behave as +.Xr open 1 . +.It Fl p +Behave as +.Xr pbpaste 1 . +.It Fl s +Run the server. +This is the default. +.El +.Pp +ACAB. +. +.Sh EXAMPLES +.Bd -literal -offset indent +pbd & +ssh -R 7062:127.0.0.1:7062 tux.local +pbd -p +.Ed +. +.Sh SEE ALSO +.Xr open 1 , +.Xr pbcopy 1 , +.Xr pbpaste 1 , +.Xr ssh 1 , +.Xr ssh_config 5 diff --git a/bin/man1/pngo.1 b/bin/man1/pngo.1 new file mode 100644 index 00000000..a235355b --- /dev/null +++ b/bin/man1/pngo.1 @@ -0,0 +1,64 @@ +.Dd September 21, 2021 +.Dt PNGO 1 +.Os +. +.Sh NAME +.Nm pngo +.Nd PNG optimizer +. +.Sh SYNOPSIS +.Nm +.Op Fl acgv +.Op Fl b Ar depth +.Op Fl o Ar file +.Op Ar +. +.Sh DESCRIPTION +.Nm +optimizes PNG files for size +by performing the following: +.Pp +.Bl -enum -compact +.It +Discard ancillary chunks. +.It +Discard unnecessary alpha channel. +.It +Convert unnecessary truecolor to grayscale. +.It +Palletize color if possible. +.It +Reduce unnecessary bit depth. +.It +Apply a simple filter type heuristic. +.It +Apply zlib's best compression. +.El +. +.Pp +The arguments are as follows: +.Bl -tag -width Ds +.It Fl a +Always discard the alpha channel. +.It Fl b Ar depth +Reduce bit depth to +.Ar depth +or lower. +.It Fl c +Write to standard output. +.It Fl g +Convert to grayscale. +.It Fl o Ar file +Write to +.Ar file . +.It Fl v +Print header information and sizes +to standard error. +.El +. +.Sh SEE ALSO +.Xr glitch 1 +. +.Sh BUGS +.Nm +does not support interlaced PNGs. diff --git a/bin/man1/psf2png.1 b/bin/man1/psf2png.1 new file mode 100644 index 00000000..db74c6e2 --- /dev/null +++ b/bin/man1/psf2png.1 @@ -0,0 +1,53 @@ +.Dd September 28, 2018 +.Dt PSF2PNG 1 +.Os +. +.Sh NAME +.Nm psf2png +.Nd PSF2 to PNG renderer +. +.Sh SYNOPSIS +.Nm +.Op Fl b Ar bg +.Op Fl c Ar cols +.Op Fl f Ar fg +.Op Fl s Ar str +.Op Ar file +. +.Sh DESCRIPTION +.Nm +renders the PSF2 font +.Ar file +or standard input +to PNG +on standard output. +. +.Pp +The arguments are as follows: +.Bl -tag -width Ds +.It Fl b Ar bg +Use +.Ar bg +(hexadecimal RGB) +as background color. +The default background color is black. +.It Fl c Ar cols +Arrange glyphs in +.Ar cols +columns. +The default number of columns is 32. +.It Fl f Ar fg +Use +.Ar fg +(hexadecimal RGB) +as foreground color. +The default foreground color is white. +.It Fl s Ar str +Render glyphs for string +.Ar str +rather than all glyphs. +.El +. +.Sh SEE ALSO +.Xr pngo 1 , +.Xr psfed 1 diff --git a/bin/man1/ptee.1 b/bin/man1/ptee.1 new file mode 100644 index 00000000..bb381ecb --- /dev/null +++ b/bin/man1/ptee.1 @@ -0,0 +1,51 @@ +.Dd October 18, 2021 +.Dt PTEE 1 +.Os +. +.Sh NAME +.Nm ptee +.Nd tee for PTYs +. +.Sh SYNOPSIS +.Nm +.Op Fl t Ar ms +.Ar command ... +.Cm > +.Ar file +. +.Sh DESCRIPTION +.Nm +runs +.Ar command +in a new PTY +which is mirrored to +the current PTY +and standard output. +Standard output must be redirected +to a file or pipe. +. +.Pp +Type +.Ic ^S +to write a media copy sequence +to standard output. +Type +.Ic ^Q +to toggle writing to standard output. +. +.Pp +The arguments are as follows: +.Bl -tag -width Ds +.It Fl t Ar ms +Write a media copy sequence +to standard output every +.Ar ms +milliseconds. +.El +. +.Sh SEE ALSO +.Xr script 1 +. +.Sh BUGS +Window size changes are not propagated +to the child PTY. diff --git a/bin/man1/qf.1 b/bin/man1/qf.1 new file mode 100644 index 00000000..8828d723 --- /dev/null +++ b/bin/man1/qf.1 @@ -0,0 +1,71 @@ +.Dd June 2, 2022 +.Dt QF 1 +.Os +. +.Sh NAME +.Nm qf +.Nd grep pager +. +.Sh SYNOPSIS +.Nm Op Ar pattern +. +.Sh DESCRIPTION +.Nm +is a pager for +.Xr grep 1 , +.Xr ag 1 , +.Xr rg 1 , +etc.\& +which allows +jumping to matches in +.Ev $EDITOR . +It parses any input +prefixed by path +and line number +separated by a colon +.Ql ":" +followed by either a colon +or a hyphen +.Ql "-" . +It otherwise operates similar to +.Xr less 1 . +. +.Pp +If +.Ar pattern +is given, +the first match on each line +will be highlighted. +The +.Ar pattern +is interpreted as +an extended regular expression +and is matched case-insensitively +unless it contains an uppercase letter. +. +.Pp +The keys are as follows: +.Bl -tag -width Ds +.It Ic Enter +Open the currently selected line in +.Ev $EDITOR . +When the editor exits, +.Nm +resumes. +.It Ic {} +Jump between files. +.It Ic gG +Jump to first or last line. +.It Ic jk +Move to next or previous line. +.It Ic nN +Jump to next or previous match line. +.It Ic q +Exit. +.It Ic r +Refresh the display. +.El +. +.Sh EXAMPLES +.Dl $ ag -C open | qf +.Dl $ git grep -n open | qf diff --git a/bin/man1/quick.1 b/bin/man1/quick.1 new file mode 100644 index 00000000..96f1766a --- /dev/null +++ b/bin/man1/quick.1 @@ -0,0 +1,66 @@ +.Dd September 23, 2021 +.Dt QUICK 1 +.Os +. +.Sh NAME +.Nm quick +.Nd (and dirty) HTTP/CGI server +. +.Sh SYNOPSIS +.Nm +.Op Fl p Ar port +.Ar script +.Op Ar args ... +. +.Sh DESCRIPTION +.Nm +is a barely functional HTTP server +for running CGI scripts. +It listens only on localhost, +on a randomly assigned port, +unless +.Fl p +is used. +The URL of the server +is printed to standard output. +. +.Sh EXAMPLES +.Dl quick cgit | xargs -n1 open +. +.Sh STANDARDS +.Nm +does +.Em not +implement the following: +.Bl -item +.It +.Rs +.%A T. Berners-Lee +.%A R. Fielding +.%A H. Frystyk +.%A J. Gettys +.%A J. Mogul +.%T Hypertext Transfer Protocol -- HTTP/1.1 +.%R RFC 2068 +.%U https://tools.ietf.org/html/rfc2068 +.%D January 1997 +.Re +.It +.Rs +.%A K. Coar +.%A D. Robinson +.%T The Common Gateway Interface (CGI) Version 1.1 +.%R RFC 3875 +.%U https://tools.ietf.org/html/rfc3875 +.%D October 2004 +.Re +.El +. +.Sh CAVEATS +Oh, so many. +No error handling, +no validation, +no security. +This is a local testing tool only. +.Pp +Every response is served as a 200 OK. diff --git a/bin/man1/relay.1 b/bin/man1/relay.1 new file mode 100644 index 00000000..402c4726 --- /dev/null +++ b/bin/man1/relay.1 @@ -0,0 +1,48 @@ +.Dd April 28, 2019 +.Dt RELAY 1 +.Os +. +.Sh NAME +.Nm relay +.Nd IRC relay bot +. +.Sh SYNOPSIS +.Nm +.Ar host +.Ar port +.Ar nick +.Ar chan +. +.Sh DESCRIPTION +.Nm +is one half of an IRC relay pair. +It connects to +.Ar host Ns : Ns Ar port +over TLS +as +.Ar nick +and joins +.Ar chan . +. +.Pp +.Nm +outputs messages from +.Ar chan +to standard output +and sends messages to +.Ar chan +from standard input. +Two +.Nm +processes can be connected with +.Xr mkfifo 1 . +. +.Sh EXAMPLES +.Bd -literal -offset indent +mkfifo a b +relay a.example.com 6697 relay '#example' <>a >b +relay b.example.com 6697 relay '#example' <>b >a +.Ed +. +.Sh SEE ALSO +.Xr mkfifo 1 diff --git a/bin/man1/scheme.1 b/bin/man1/scheme.1 new file mode 100644 index 00000000..9f72d945 --- /dev/null +++ b/bin/man1/scheme.1 @@ -0,0 +1,59 @@ +.Dd February 6, 2021 +.Dt SCHEME 1 +.Os +. +.Sh NAME +.Nm scheme +.Nd color scheme +. +.Sh SYNOPSIS +.Nm +.Op Fl Xacghilmstx +.Op Fl p Ar n +. +.Sh DESCRIPTION +.Nm +generates a color scheme +and outputs it in a number of formats. +. +.Pp +The arguments are as follows: +.Bl -tag -width Ds +.It Fl X +Output Xresources for +.Xr xterm 1 . +.It Fl a +Generate the 16 ANSI colors. +This is the default. +.It Fl c +Output a C enum. +.It Fl g +Output a swatch PNG. +.It Fl h +Output floating point HSV. +.It Fl i +Swap black and white. +.It Fl l +Output Linux console OSC sequences. +.It Fl m +Output a +.Xr mintty 1 +theme. +Use with +.Fl t . +.It Fl p Ar n +Generate only the color +.Ar n . +.It Fl s +Output CSS +for classes named +.Sy fg Ns Ar n +and +.Sy bg Ns Ar n . +.It Fl t +Generate the 16 ANSI colors as well as +background, foreground, bold, selection and cursor colors. +.It Fl x +Output hexadecimal RGB. +This is the default. +.El diff --git a/bin/man1/shotty.1 b/bin/man1/shotty.1 new file mode 100644 index 00000000..0a3bd127 --- /dev/null +++ b/bin/man1/shotty.1 @@ -0,0 +1,115 @@ +.Dd October 18, 2021 +.Dt SHOTTY 1 +.Os +. +.Sh NAME +.Nm shotty +.Nd HTML terminal renderer +. +.Sh SYNOPSIS +.Nm +.Op Fl Bdins +.Op Fl b Ar bg +.Op Fl f Ar fg +.Op Fl h Ar rows +.Op Fl w Ar cols +.Op Ar file +. +.Sh DESCRIPTION +.Nm +renders a terminal session +captured with +.Xr ptee 1 +or +.Xr script 1 +from +.Ar file +or standard input +and renders one or more HTML snapshots. +One snapshot is rendered +for each media copy sequence, +or a single snapshot is rendered +at the end of the session. +.Nm +targets compatibility with +.Ev TERM=xterm +and +.Ev TERM=xterm-256color +as used by +.Xr ncurses 3 . +. +.Pp +HTML output uses +.Sy bg Ns Va n +and +.Sy fg Ns Va n +classes for colors, +and inline styles for +bold, italic and underline. +CSS for colors +can be generated by +.Xr scheme 1 . +. +.Pp +The arguments are as follows: +.Bl -tag -width "-w cols" +.It Fl B +Replace bold with bright colors. +. +.It Fl b Ar bg +Set the default background color. +The default is 0 (black). +. +.It Fl d +Render a snapshot +after each control sequence. +. +.It Fl f Ar fg +Set the default foreground color. +The default is 7 (white). +. +.It Fl h Ar rows +Set the terminal height. +The default is 24. +. +.It Fl i +Output inline color attributes. +. +.It Fl n +Hide the cursor. +. +.It Fl s +Copy the terminal size +from the current terminal. +. +.It Fl w Ar cols +Set the terminal width. +The default is 80. +.El +. +.Sh EXAMPLES +.Dl $ ptee htop | shotty -Bis >htop.html +. +.Sh SEE ALSO +.Xr ptee 1 , +.Xr script 1 +. +.Sh STANDARDS +.Bl -item +.It +.Rs +.%A Thomas Dickey +.%A Stephen Gildea +.%A Edward Moy +.%T XTerm Control Sequences +.%U https://invisible-island.net/xterm/ctlseqs/ctlseqs.html +.Re +.It +.Rs +.%A F. Yergeau +.%T UTF-8 +.%R RFC 2044 +.%U https://tools.ietf.org/html/rfc2044 +.%D October 1996 +.Re +.El diff --git a/bin/man1/sup.1 b/bin/man1/sup.1 new file mode 100644 index 00000000..bd88ad47 --- /dev/null +++ b/bin/man1/sup.1 @@ -0,0 +1,51 @@ +.Dd January 12, 2022 +.Dt SUP 1 +.Os +. +.Sh NAME +.Nm sup +.Nd single-use password +. +.Sh SYNOPSIS +.Nm +.Ar service +.Op Ar email +. +.Sh DESCRIPTION +The +.Nm +utility +sets a random single-use password +for a service using the +.Dq forgot password +or +.Dq password reset +flow. +The password is copied to the clipboard +and the service login page is opened. +For passwordless services +with email-based authentication, +the emailed login link is opened. +. +.Pp +The following services are supported: +.Cm asciinema , +.Cm discogs , +.Cm freebsdbugzilla , +.Cm liberapay , +.Cm lobsters , +.Cm lwn , +.Cm patreon , +.Cm tildegit , +.Cm tildenews . +. +.Pp +The +.Nm +utility requires +.Xr curl 1 , +.Xr git-fetch-email 1 , +.Xr openssl 1 , +.Xr pbcopy 1 +and +.Xr open 1 . diff --git a/bin/man1/title.1 b/bin/man1/title.1 new file mode 100644 index 00000000..43ecc5e2 --- /dev/null +++ b/bin/man1/title.1 @@ -0,0 +1,51 @@ +.Dd September 10, 2019 +.Dt TITLE 1 +.Os +. +.Sh NAME +.Nm title +.Nd page titles +. +.Sh SYNOPSIS +.Nm +.Op Fl v +.Op Fl x Ar pattern +.Op Ar url +. +.Sh DESCRIPTION +.Nm +fetches HTML page titles +over HTTP and HTTPS. +.Nm +scans standard input for URLs +and writes their titles to standard output. +If a +.Ar url +argument is given, +.Nm +exits after fetching its title. +. +.Pp +The arguments are as follows: +.Bl -tag -width Ds +.It Fl x Ar pattern +Exclude URLs matching +.Ar pattern , +which is a modern regular expression. +See +.Xr re_format 7 . +.It Fl v +Enable +.Xr libcurl 3 +verbose output. +.El +. +.Sh EXAMPLES +.Bd -literal -offset indent +mkfifo snarf titles +relay irc.example.org 6697 snarf '#example' <>titles >snarf +title <snarf >titles +.Ed +. +.Sh SEE ALSO +.Xr relay 1 diff --git a/bin/man1/up.1 b/bin/man1/up.1 new file mode 100644 index 00000000..aece79bd --- /dev/null +++ b/bin/man1/up.1 @@ -0,0 +1,77 @@ +.Dd July 26, 2022 +.Dt UP 1 +.Os +. +.Sh NAME +.Nm up +.Nd upload file +. +.Sh SYNOPSIS +.Nm +.Op Fl c | h | s | t +.Op Fl w Ar warn +.Op Ar file | command +. +.Sh DESCRIPTION +.Nm +uploads a file +to temp.causal.agency with +.Xr scp 1 . +If no +.Ar file +is provided, +standard input is read +and uploaded as text. +. +.Pp +The destination file name +is chosen using +.Xr date 1 +and +.Xr openssl 1 +.Cm rand . +The URL of the uploaded file is printed +and copied to the pasteboard with +.Xr pbcopy 1 +if available. +. +.Pp +The arguments are as follows: +.Bl -tag -width Ds +.It Fl c +Run a command +to produce a text file for upload. +.It Fl h +Use +.Xr hilex 1 +to produce an HTML file for upload. +.It Fl s +Use +.Xr screencapture 1 +or +.Xr scrot 1 +to produce a PNG file for upload. +The file is optimized by +.Xr pngo 1 . +.It Fl t +Run a command with +.Xr ptee 1 +and +.Xr shotty 1 +to produce an HTML file for upload. +.It Fl w Ar warn +Create an HTML redirect with +.Ar warn +in its title. +.El +. +.Pp +Any arguments after +.Ql \-\- +are passed to +.Xr hilex 1 +and +.Xr screencapture 1 +or +.Xr scrot 1 , +respectively. diff --git a/bin/man1/when.1 b/bin/man1/when.1 new file mode 100644 index 00000000..3f2735f7 --- /dev/null +++ b/bin/man1/when.1 @@ -0,0 +1,100 @@ +.Dd September 19, 2022 +.Dt WHEN 1 +.Os +. +.Sh NAME +.Nm when +.Nd date calculator +. +.Sh SYNOPSIS +.Nm +.Op Ar expr +.Nm +.Cm - +. +.Sh DESCRIPTION +.Nm +is a date calculator. +If no +.Ar expr +is given, +expressions are read +from standard input. +If +.Cm - +is given, +the intervals between each named date +and today are printed. +. +.Pp +The grammar is as follows: +.Bl -tag -width Ds +.It Sy \&. +Today's date. +The empty expression is equivalent. +. +.It Ar name Op Sy = Ar date +A named date. +Names are alphanumeric including underscores. +. +.It Ar month Ar date Op Ar year +A full date, +or a date in the current year. +Months can be abbreviated to three letters. +. +.It Ar day +A day of the week +in the current week. +Days can be abbreviated to three letters. +. +.It Sy < Ar date +The date one week before. +. +.It Sy > Ar date +The date one week after. +. +.It Ar date Sy + Ar interval +The date after some interval. +. +.It Ar date Sy - Ar interval +The date before some interval. +. +.It Ar date Sy - Ar date +The interval between two dates. +. +.It Ar num Sy d +A number of days. +. +.It Ar num Sy w +A number of weeks. +. +.It Ar num Sy m +A number of months. +. +.It Ar num Sy y +A number of years. +.El +. +.Sh FILES +The file +.Pa $XDG_CONFIG_HOME/when/dates +or +.Pa ~/.config/when/dates +is read before any other expressions, +if it exists. +. +.Sh EXAMPLES +.Bl -tag -width "Dec 25 - ." +.It Ic Dec 25 - \&. +How long until Christmas. +.It Ic >Fri +The date next Friday. +.It Ic \&. + 2w +Your last day at work. +.El +.Pp +Checking a milestone: +.Bd -literal -offset indent +$ echo 'hrt = oct 15 2021' >> ~/.config/when/dates +$ when -hrt +.Ed diff --git a/bin/man1/xx.1 b/bin/man1/xx.1 new file mode 100644 index 00000000..d38789a7 --- /dev/null +++ b/bin/man1/xx.1 @@ -0,0 +1,68 @@ +.Dd September 7, 2018 +.Dt XX 1 +.Os +. +.Sh NAME +.Nm xx +.Nd hexdump +. +.Sh SYNOPSIS +.Nm +.Op Fl arsz +.Op Fl c Ar cols +.Op Fl g Ar group +.Op Fl p Ar count +.Op Ar file +. +.Sh DESCRIPTION +.Nm +dumps the contents of a +.Ar file +or standard input +in hexadecimal format. +. +.Pp +The arguments are as follows: +.Bl -tag -width Ds +.It Fl a +Toggle ASCII output. +. +.It Fl c Ar cols +Output +.Ar cols +bytes per line. +The default +.Ar cols +is 16. +. +.It Fl g Ar group +Output extra space after every +.Ar group +bytes. +The default +.Ar group +is 8. +. +.It Fl p Ar count +Output a blank line after every +.Ar count +bytes. +.Ar count +must be a multiple of +.Ar cols . +. +.It Fl r +Reverse hexdump. +Read hexadecimal input +and write byte output. +. +.It Fl s +Toggle offset output. +. +.It Fl z +Skip output of lines containing only zeros. +.El +. +.Sh SEE ALSO +.Xr hexdump 1 , +.Xr xxd 1 diff --git a/bin/man3/png.3 b/bin/man3/png.3 new file mode 100644 index 00000000..accffbd7 --- /dev/null +++ b/bin/man3/png.3 @@ -0,0 +1,90 @@ +.Dd July 25, 2019 +.Dt PNG 3 +.Os +. +.Sh NAME +.Nm png +.Nd basic PNG output +. +.Sh SYNOPSIS +.In png.h +. +.Ft void +.Fo pngHead +.Fa "FILE *file" +.Fa "uint32_t width" +.Fa "uint32_t height" +.Fa "uint8_t depth" +.Fa "uint8_t color" +.Fc +. +.Ft void +.Fn pngPalette "FILE *file" "const uint8_t *pal" "uint32_t len" +. +.Ft void +.Fn pngData "FILE *file" "const uint8_t *data" "uint32_t len" +. +.Ft void +.Fn pngTail "FILE *file" +. +.Sh DESCRIPTION +The +.Fn pngHead +function +writes the +.Sy IHDR +chunk to +.Fa file . +The +.Fa color +parameter can be one of +.Dv PNGGrayscale , +.Dv PNGTruecolor +optionally +.Em or Ns 'ed +with +.Dv PNGAlpha , +or +.Dv PNGIndexed . +. +.Pp +The +.Fn pngPalette +function +writes the +.Sy PLTE +chunk to +.Fa file . +. +.Pp +The +.Fn pngData +function +writes the +.Sy IDAT +chunk to +.Fa file +without compression. +The constants +.Dv PNGNone , +.Dv PNGSub , +.Dv PNGUp , +.Dv PNGAverage , +.Dv PNGPaeth +are defined +for use in PNG data. +. +.Pp +The +.Fn pngTail +function +writes the +.Sy IEND +chunk to +.Fa file . +. +.Sh ERRORS +Any errors from writing to +.Fa file +are handled by calling +.Xr err 3 . diff --git a/bin/man6/freecell.6 b/bin/man6/freecell.6 new file mode 100644 index 00000000..0e485a16 --- /dev/null +++ b/bin/man6/freecell.6 @@ -0,0 +1,50 @@ +.Dd April 17, 2021 +.Dt FREECELL 6 +.Os +. +.Sh NAME +.Nm freecell +.Nd patience game +. +.Sh SYNOPSIS +.Nm +.Op Fl d Ar delay +.Op Fl n Ar game +. +.Sh DESCRIPTION +.Nm +is a terminal FreeCell patience game. +The arguments are as follows: +.Bl -tag -width Ds +.It Fl d Ar delay +Set the delay in milliseconds +between queued moves. +The default is 50. +.It Fl n Ar game +Select the game number to play. +.El +. +.Pp +Moves are performed +by typing a sequence of two keys. +To automatically move a card +to a free cell, +type the same key twice. +The keys are as follows: +.Bl -tag -width Ds +.It Ic Escape +Cancel a pending move. +.It Ic u , Backspace +Undo the previous move. +.It Ic 1 , 2 , 3 , 4 +Select the cells. +.It Ic q , w , e , r , a , s , d , f +Select the tableau cascades. +.It Ic _ , Space +Manually move +the selected card +to the foundations. +.It Ic Shift +Move a single card +to an empty tableau cascade. +.El diff --git a/bin/mdoc.l b/bin/mdoc.l new file mode 100644 index 00000000..b6deacbe --- /dev/null +++ b/bin/mdoc.l @@ -0,0 +1,60 @@ +/* Copyright (C) 2020 June McEnroe <june@causal.agency> + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +%option prefix="mdoc" +%option noinput nounput noyywrap + +%{ +#include "hilex.h" +%} + +%s MacroLine + +%% + +[[:blank:]]+ { return Normal; } + +^"." { + BEGIN(MacroLine); + return Keyword; +} + +^".\\\"".* { return Comment; } + +<MacroLine>{ + "\n" { + BEGIN(0); + return Normal; + } + + %[ABCDIJNOPQRTUV]|A[cdnopqrt]|B[cdfkloqtx]|Br[coq]|Bsx|C[dm]|D[1bcdloqtvx] | + E[cdfklmnorsvx]|F[acdlnortx]|Hf|I[cnt]|L[bikp]|M[st]|N[dmosx]|O[copstx] | + P[acfopq]|Q[cloq]|R[esv]|S[chmoqstxy]|T[an]|U[dx]|V[at]|X[cor] { + return Keyword; + } + + "\""([^""]|"\\\"")*"\"" { return String; } +} + +"\\"(.|"("..|"["[^]]*"]") { return String; } + +[^.\\""[:space:]]+ { return Normal; } + +.|\n { return Normal; } + +%% + +const struct Lexer LexMdoc = { yylex, &yyin, &yytext }; diff --git a/bin/modem.c b/bin/modem.c new file mode 100644 index 00000000..4392e071 --- /dev/null +++ b/bin/modem.c @@ -0,0 +1,102 @@ +/* Copyright (C) 2018 June McEnroe <june@causal.agency> + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <err.h> +#include <poll.h> +#include <stdlib.h> +#include <sys/ioctl.h> +#include <sys/wait.h> +#include <sysexits.h> +#include <termios.h> +#include <unistd.h> + +#if defined __FreeBSD__ +#include <libutil.h> +#elif defined __linux__ +#include <pty.h> +#else +#include <util.h> +#endif + +typedef unsigned uint; +typedef unsigned char byte; + +static struct termios saveTerm; +static void restoreTerm(void) { + tcsetattr(STDIN_FILENO, TCSADRAIN, &saveTerm); +} + +int main(int argc, char *argv[]) { + int error; + + uint baudRate = 19200; + for (int opt; 0 < (opt = getopt(argc, argv, "r:"));) { + switch (opt) { + break; case 'r': baudRate = strtoul(optarg, NULL, 10); + break; default: return EX_USAGE; + } + } + if (argc - optind < 1) return EX_USAGE; + + error = tcgetattr(STDIN_FILENO, &saveTerm); + if (error) err(EX_IOERR, "tcgetattr"); + atexit(restoreTerm); + + struct termios raw = saveTerm; + cfmakeraw(&raw); + error = tcsetattr(STDIN_FILENO, TCSADRAIN, &raw); + if (error) err(EX_IOERR, "tcsetattr"); + + struct winsize window; + error = ioctl(STDIN_FILENO, TIOCGWINSZ, &window); + if (error) err(EX_IOERR, "TIOCGWINSZ"); + + int pty; + pid_t pid = forkpty(&pty, NULL, NULL, &window); + if (pid < 0) err(EX_OSERR, "forkpty"); + + if (!pid) { + execvp(argv[optind], &argv[optind]); + err(EX_NOINPUT, "%s", argv[optind]); + } + + byte c; + struct pollfd fds[2] = { + { .events = POLLIN, .fd = STDIN_FILENO }, + { .events = POLLIN, .fd = pty }, + }; + while (usleep(8 * 1000000 / baudRate), 0 < poll(fds, 2, -1)) { + if (fds[0].revents) { + ssize_t size = read(STDIN_FILENO, &c, 1); + if (size < 0) err(EX_IOERR, "read(%d)", STDIN_FILENO); + size = write(pty, &c, 1); + if (size < 0) err(EX_IOERR, "write(%d)", pty); + } + + if (fds[1].revents) { + ssize_t size = read(pty, &c, 1); + if (size < 0) err(EX_IOERR, "read(%d)", pty); + if (!size) break; + size = write(STDOUT_FILENO, &c, 1); + if (size < 0) err(EX_IOERR, "write(%d)", STDOUT_FILENO); + } + } + + int status; + pid_t dead = waitpid(pid, &status, 0); + if (dead < 0) err(EX_OSERR, "waitpid"); + return WIFEXITED(status) ? WEXITSTATUS(status) : EX_SOFTWARE; +} diff --git a/bin/mtags.c b/bin/mtags.c new file mode 100644 index 00000000..5c1a057e --- /dev/null +++ b/bin/mtags.c @@ -0,0 +1,105 @@ +/* Copyright (C) 2021 June McEnroe <june@causal.agency> + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <assert.h> +#include <err.h> +#include <regex.h> +#include <stdbool.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sysexits.h> +#include <unistd.h> + +static void escape(FILE *file, const char *str, size_t len) { + for (size_t i = 0; i < len; ++i) { + if (str[i] == '\\' || str[i] == '/') { + putc('\\', file); + } + putc(str[i], file); + } +} + +int main(int argc, char *argv[]) { + int error; + bool append = false; + const char *path = "tags"; + for (int opt; 0 < (opt = getopt(argc, argv, "af:"));) { + switch (opt) { + break; case 'a': append = true; + break; case 'f': path = optarg; + break; default: return EX_USAGE; + } + } + + FILE *tags = fopen(path, (append ? "a" : "w")); + if (!tags) err(EX_CANTCREAT, "%s", path); + +#ifdef __OpenBSD__ + error = pledge("stdio rpath", NULL); + if (error) err(EX_OSERR, "pledge"); +#endif + + regex_t makeFile, makeLine; + regex_t mdocFile, mdocLine; + regex_t shFile, shLine; + error = 0 + || regcomp(&makeFile, "(^|/)Makefile|[.]mk$", REG_EXTENDED | REG_NOSUB) + || regcomp( + &makeLine, + "^([.][^:$A-Z][^:$[:space:]]*|[^.:$][^:$[:space:]]*):", + REG_EXTENDED + ) + || regcomp(&mdocFile, "[.][1-9]$", REG_EXTENDED | REG_NOSUB) + || regcomp(&mdocLine, "^[.]S[hs] ([^\t\n]+)", REG_EXTENDED) + || regcomp( + &shFile, "(^|/)[.](profile|shrc)|[.]sh$", REG_EXTENDED | REG_NOSUB + ) + || regcomp(&shLine, "^([_[:alnum:]]+)[[:blank:]]*[(][)]", REG_EXTENDED); + assert(!error); + + size_t cap = 0; + char *buf = NULL; + for (int i = optind; i < argc; ++i) { + const regex_t *regex; + if (!regexec(&makeFile, argv[i], 0, NULL, 0)) { + regex = &makeLine; + } else if (!regexec(&mdocFile, argv[i], 0, NULL, 0)) { + regex = &mdocLine; + } else if (!regexec(&shFile, argv[i], 0, NULL, 0)) { + regex = &shLine; + } else { + warnx("skipping unknown file type %s", argv[i]); + continue; + } + + FILE *file = fopen(argv[i], "r"); + if (!file) err(EX_NOINPUT, "%s", argv[i]); + + while (0 < getline(&buf, &cap, file)) { + regmatch_t match[2]; + if (regexec(regex, buf, 2, match, 0)) continue; + fprintf( + tags, "%.*s\t%s\t/^", + (int)(match[1].rm_eo - match[1].rm_so), &buf[match[1].rm_so], + argv[i] + ); + escape(tags, buf, match[0].rm_eo); + fprintf(tags, "/\n"); + } + fclose(file); + } +} diff --git a/bin/nudge.c b/bin/nudge.c new file mode 100644 index 00000000..8ae916eb --- /dev/null +++ b/bin/nudge.c @@ -0,0 +1,78 @@ +/* Copyright (C) 2020 June McEnroe <june@causal.agency> + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <err.h> +#include <fcntl.h> +#include <stdio.h> +#include <stdlib.h> +#include <sysexits.h> +#include <termios.h> +#include <unistd.h> + +static int shake = 10; +static int delay = 20000; +static int count = 2; + +static void move(int tty, int x, int y) { + dprintf(tty, "\33[3;%d;%dt", x, y); + usleep(delay); +} + +int main(int argc, char *argv[]) { + const char *path = "/dev/tty"; + for (int opt; 0 < (opt = getopt(argc, argv, "f:n:s:t:"));) { + switch (opt) { + break; case 'f': path = optarg; + break; case 'n': count = atoi(optarg); + break; case 's': shake = atoi(optarg); + break; case 't': delay = atoi(optarg) * 1000; + break; default: return EX_USAGE; + } + } + + int tty = open(path, O_RDWR); + if (tty < 0) err(EX_OSFILE, "%s", path); + + struct termios save; + int error = tcgetattr(tty, &save); + if (error) err(EX_IOERR, "tcgetattr"); + + struct termios raw = save; + cfmakeraw(&raw); + error = tcsetattr(tty, TCSAFLUSH, &raw); + if (error) err(EX_IOERR, "tcsetattr"); + + char buf[256]; + dprintf(tty, "\33[13t"); + ssize_t len = read(tty, buf, sizeof(buf) - 1); + buf[(len < 0 ? 0 : len)] = '\0'; + + int x, y; + int n = sscanf(buf, "\33[3;%d;%dt", &x, &y); + + error = tcsetattr(tty, TCSANOW, &save); + if (error) err(EX_IOERR, "tcsetattr"); + if (n < 2) return EX_CONFIG; + + dprintf(tty, "\33[5t"); + for (int i = 0; i < count; ++i) { + move(tty, x - shake, y); + move(tty, x, y + shake); + move(tty, x + shake, y); + move(tty, x, y - shake); + move(tty, x, y); + } +} diff --git a/bin/order.y b/bin/order.y new file mode 100644 index 00000000..b3cbf2df --- /dev/null +++ b/bin/order.y @@ -0,0 +1,195 @@ +/* Copyright (C) 2019 June McEnroe <june@causal.agency> + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +%{ + +#include <ctype.h> +#include <err.h> +#include <stdarg.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sysexits.h> + +#define YYSTYPE char * + +static char *fmt(const char *format, ...) { + char *str = NULL; + va_list ap; + va_start(ap, format); + vasprintf(&str, format, ap); + va_end(ap); + if (!str) err(EX_OSERR, "vasprintf"); + return str; +} + +static int yylex(void); +static void yyerror(const char *str); + +%} + +%token Ident + +%left ',' +%right '=' MulAss DivAss ModAss AddAss SubAss ShlAss ShrAss AndAss XorAss OrAss +%right '?' ':' +%left Or +%left And +%left '|' +%left '^' +%left '&' +%left Eq Ne +%left '<' Le '>' Ge +%left Shl Shr +%left '+' '-' +%left '*' '/' '%' +%right '!' '~' Inc Dec Sizeof +%left '(' ')' '[' ']' Arr '.' + +%% + +start: + expr { printf("%s\n", $1); } + ; + +expr: + Ident + | '(' expr ')' { $$ = $2; } + | expr '[' expr ']' { $$ = fmt("(%s[%s])", $1, $3); } + | expr Arr Ident { $$ = fmt("(%s->%s)", $1, $3); } + | expr '.' Ident { $$ = fmt("(%s.%s)", $1, $3); } + | '!' expr { $$ = fmt("(!%s)", $2); } + | '~' expr { $$ = fmt("(~%s)", $2); } + | Inc expr { $$ = fmt("(++%s)", $2); } + | Dec expr { $$ = fmt("(--%s)", $2); } + | expr Inc { $$ = fmt("(%s++)", $1); } + | expr Dec { $$ = fmt("(%s--)", $1); } + | '+' expr %prec '!' { $$ = fmt("(+%s)", $2); } + | '-' expr %prec '!' { $$ = fmt("(-%s)", $2); } + | '*' expr %prec '!' { $$ = fmt("(*%s)", $2); } + | '&' expr %prec '!' { $$ = fmt("(&%s)", $2); } + | Sizeof expr { $$ = fmt("(sizeof %s)", $2); } + | expr '*' expr { $$ = fmt("(%s * %s)", $1, $3); } + | expr '/' expr { $$ = fmt("(%s / %s)", $1, $3); } + | expr '%' expr { $$ = fmt("(%s %% %s)", $1, $3); } + | expr '+' expr { $$ = fmt("(%s + %s)", $1, $3); } + | expr '-' expr { $$ = fmt("(%s - %s)", $1, $3); } + | expr Shl expr { $$ = fmt("(%s << %s)", $1, $3); } + | expr Shr expr { $$ = fmt("(%s >> %s)", $1, $3); } + | expr '<' expr { $$ = fmt("(%s < %s)", $1, $3); } + | expr Le expr { $$ = fmt("(%s <= %s)", $1, $3); } + | expr '>' expr { $$ = fmt("(%s > %s)", $1, $3); } + | expr Ge expr { $$ = fmt("(%s >= %s)", $1, $3); } + | expr Eq expr { $$ = fmt("(%s == %s)", $1, $3); } + | expr Ne expr { $$ = fmt("(%s != %s)", $1, $3); } + | expr '&' expr { $$ = fmt("(%s & %s)", $1, $3); } + | expr '^' expr { $$ = fmt("(%s ^ %s)", $1, $3); } + | expr '|' expr { $$ = fmt("(%s | %s)", $1, $3); } + | expr And expr { $$ = fmt("(%s && %s)", $1, $3); } + | expr Or expr { $$ = fmt("(%s || %s)", $1, $3); } + | expr '?' expr ':' expr { $$ = fmt("(%s ? %s : %s)", $1, $3, $5); } + | expr ass expr %prec '=' { $$ = fmt("(%s %s %s)", $1, $2, $3); } + | expr ',' expr { $$ = fmt("(%s, %s)", $1, $3); } + ; + +ass: + '=' { $$ = "="; } + | MulAss { $$ = "*="; } + | DivAss { $$ = "/="; } + | ModAss { $$ = "%="; } + | AddAss { $$ = "+="; } + | SubAss { $$ = "-="; } + | ShlAss { $$ = "<<="; } + | ShrAss { $$ = ">>="; } + | AndAss { $$ = "&="; } + | XorAss { $$ = "^="; } + | OrAss { $$ = "|="; } + ; + +%% + +#define T(a, b) ((int)(a) << 8 | (int)(b)) + +static FILE *in; + +static int yylex(void) { + char ch; + while (isspace(ch = getc(in))); + + if (isalnum(ch)) { + char ident[64] = { ch, '\0' }; + for (size_t i = 1; i < sizeof(ident) - 1; ++i) { + ch = getc(in); + if (!isalnum(ch) && ch != '_') break; + ident[i] = ch; + } + ungetc(ch, in); + if (!strcmp(ident, "sizeof")) return Sizeof; + yylval = fmt("%s", ident); + return Ident; + } + + char ne = getc(in); + switch (T(ch, ne)) { + case T('-', '>'): return Arr; + case T('+', '+'): return Inc; + case T('-', '-'): return Dec; + case T('<', '='): return Le; + case T('>', '='): return Ge; + case T('=', '='): return Eq; + case T('!', '='): return Ne; + case T('&', '&'): return And; + case T('|', '|'): return Or; + case T('*', '='): return MulAss; + case T('/', '='): return DivAss; + case T('%', '='): return ModAss; + case T('+', '='): return AddAss; + case T('-', '='): return SubAss; + case T('&', '='): return AndAss; + case T('^', '='): return XorAss; + case T('|', '='): return OrAss; + case T('<', '<'): { + if ('=' == (ne = getc(in))) return ShlAss; + ungetc(ne, in); + return Shl; + } + case T('>', '>'): { + if ('=' == (ne = getc(in))) return ShrAss; + ungetc(ne, in); + return Shr; + } + default: { + ungetc(ne, in); + return ch; + } + } +} + +static void yyerror(const char *str) { + errx(EX_DATAERR, "%s", str); +} + +int main(int argc, char *argv[]) { + for (int i = 1; i < argc; ++i) { + in = fmemopen(argv[i], strlen(argv[i]), "r"); + if (!in) err(EX_OSERR, "fmemopen"); + yyparse(); + fclose(in); + } + if (argc > 1) return EX_OK; + in = stdin; + yyparse(); +} diff --git a/bin/pbd.c b/bin/pbd.c new file mode 100644 index 00000000..9f47b63e --- /dev/null +++ b/bin/pbd.c @@ -0,0 +1,151 @@ +/* Copyright (C) 2017 June McEnroe <june@causal.agency> + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <arpa/inet.h> +#include <err.h> +#include <fcntl.h> +#include <netinet/in.h> +#include <stdbool.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sys/socket.h> +#include <sys/wait.h> +#include <sysexits.h> +#include <unistd.h> + +typedef unsigned char byte; + +static void spawn(const char *cmd, const char *arg, int dest, int src) { + pid_t pid = fork(); + if (pid < 0) err(EX_OSERR, "fork"); + + if (pid) { + int status; + pid_t dead = waitpid(pid, &status, 0); + if (dead < 0) err(EX_OSERR, "waitpid(%d)", pid); + if (status) warnx("%s: status %d", cmd, status); + + } else { + int fd = dup2(src, dest); + if (fd < 0) err(EX_OSERR, "dup2"); + + execlp(cmd, cmd, arg, NULL); + err(EX_UNAVAILABLE, "%s", cmd); + } +} + +static int pbd(void) { + int error; + + int server = socket(PF_INET, SOCK_STREAM, 0); + if (server < 0) err(EX_OSERR, "socket"); + + error = fcntl(server, F_SETFD, FD_CLOEXEC); + if (error) err(EX_IOERR, "fcntl"); + + struct sockaddr_in addr = { + .sin_family = AF_INET, + .sin_port = htons(7062), + .sin_addr = { .s_addr = htonl(0x7F000001) }, + }; + error = bind(server, (struct sockaddr *)&addr, sizeof(addr)); + if (error) err(EX_UNAVAILABLE, "bind"); + + error = listen(server, 0); + if (error) err(EX_UNAVAILABLE, "listen"); + + for (;;) { + int client = accept(server, NULL, NULL); + if (client < 0) err(EX_IOERR, "accept"); + + error = fcntl(client, F_SETFD, FD_CLOEXEC); + if (error) err(EX_IOERR, "fcntl"); + + char c = 0; + ssize_t size = read(client, &c, 1); + if (size < 0) warn("read"); + + switch (c) { + break; case 'p': spawn("pbpaste", NULL, STDOUT_FILENO, client); + break; case 'c': spawn("pbcopy", NULL, STDIN_FILENO, client); + break; case 'o': spawn("xargs", "open", STDIN_FILENO, client); + } + + close(client); + } +} + +static int pbdClient(char c) { + int client = socket(PF_INET, SOCK_STREAM, 0); + if (client < 0) err(EX_OSERR, "socket"); + + struct sockaddr_in addr = { + .sin_family = AF_INET, + .sin_port = htons(7062), + .sin_addr = { .s_addr = htonl(0x7F000001) }, + }; + int error = connect(client, (struct sockaddr *)&addr, sizeof(addr)); + if (error) err(EX_UNAVAILABLE, "connect"); + + ssize_t size = write(client, &c, 1); + if (size < 0) err(EX_IOERR, "write"); + + return client; +} + +static void copy(int out, int in) { + byte buf[4096]; + ssize_t readSize; + while (0 < (readSize = read(in, buf, sizeof(buf)))) { + ssize_t writeSize = write(out, buf, readSize); + if (writeSize < 0) err(EX_IOERR, "write(%d)", out); + } + if (readSize < 0) err(EX_IOERR, "read(%d)", in); +} + +static int pbcopy(void) { + int client = pbdClient('c'); + copy(client, STDIN_FILENO); + return EX_OK; +} + +static int pbpaste(void) { + int client = pbdClient('p'); + copy(STDOUT_FILENO, client); + return EX_OK; +} + +static int open1(const char *url) { + if (!url) return EX_USAGE; + int client = pbdClient('o'); + ssize_t size = write(client, url, strlen(url)); + if (size < 0) err(EX_IOERR, "write"); + return EX_OK; +} + +int main(int argc, char *argv[]) { + for (int opt; 0 < (opt = getopt(argc, argv, "co:ps"));) { + switch (opt) { + case 'c': return pbcopy(); + case 'o': return open1(optarg); + case 'p': return pbpaste(); + case 's': return pbd(); + default: return EX_USAGE; + } + } + return pbd(); +} diff --git a/bin/png.h b/bin/png.h new file mode 100644 index 00000000..0df4699b --- /dev/null +++ b/bin/png.h @@ -0,0 +1,108 @@ +/* Copyright (C) 2018 June McEnroe <june@causal.agency> + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <err.h> +#include <stdint.h> +#include <stdio.h> +#include <stdlib.h> +#include <sysexits.h> + +static inline uint32_t pngCRCTable(uint8_t n) { + static uint32_t table[256]; + if (table[1]) return table[n]; + for (int i = 0; i < 256; ++i) { + table[i] = i; + for (int j = 0; j < 8; ++j) { + table[i] = (table[i] >> 1) ^ (table[i] & 1 ? 0xEDB88320 : 0); + } + } + return table[n]; +} + +static uint32_t pngCRC; + +static inline void pngWrite(FILE *file, const uint8_t *ptr, uint32_t len) { + if (!fwrite(ptr, len, 1, file)) err(EX_IOERR, "pngWrite"); + for (uint32_t i = 0; i < len; ++i) { + pngCRC = pngCRCTable(pngCRC ^ ptr[i]) ^ (pngCRC >> 8); + } +} +static inline void pngInt32(FILE *file, uint32_t n) { + pngWrite(file, (uint8_t []) { n >> 24, n >> 16, n >> 8, n }, 4); +} +static inline void pngChunk(FILE *file, char type[static 4], uint32_t len) { + pngInt32(file, len); + pngCRC = ~0; + pngWrite(file, (uint8_t *)type, 4); +} + +enum { + PNGGrayscale, + PNGTruecolor = 2, + PNGIndexed, + PNGAlpha, +}; + +static inline void pngHead( + FILE *file, uint32_t width, uint32_t height, uint8_t depth, uint8_t color +) { + pngWrite(file, (uint8_t *)"\x89PNG\r\n\x1A\n", 8); + pngChunk(file, "IHDR", 13); + pngInt32(file, width); + pngInt32(file, height); + pngWrite(file, &depth, 1); + pngWrite(file, &color, 1); + pngWrite(file, (uint8_t []) { 0, 0, 0 }, 3); + pngInt32(file, ~pngCRC); +} + +static inline void pngPalette(FILE *file, const uint8_t *pal, uint32_t len) { + pngChunk(file, "PLTE", len); + pngWrite(file, pal, len); + pngInt32(file, ~pngCRC); +} + +enum { + PNGNone, + PNGSub, + PNGUp, + PNGAverage, + PNGPaeth, +}; + +static inline void pngData(FILE *file, const uint8_t *data, uint32_t len) { + uint32_t adler1 = 1, adler2 = 0; + for (uint32_t i = 0; i < len; ++i) { + adler1 = (adler1 + data[i]) % 65521; + adler2 = (adler1 + adler2) % 65521; + } + uint32_t zlen = 2 + 5 * ((len + 0xFFFE) / 0xFFFF) + len + 4; + pngChunk(file, "IDAT", zlen); + pngWrite(file, (uint8_t []) { 0x08, 0x1D }, 2); + for (; len > 0xFFFF; data += 0xFFFF, len -= 0xFFFF) { + pngWrite(file, (uint8_t []) { 0x00, 0xFF, 0xFF, 0x00, 0x00 }, 5); + pngWrite(file, data, 0xFFFF); + } + pngWrite(file, (uint8_t []) { 0x01, len, len >> 8, ~len, ~len >> 8 }, 5); + pngWrite(file, data, len); + pngInt32(file, adler2 << 16 | adler1); + pngInt32(file, ~pngCRC); +} + +static inline void pngTail(FILE *file) { + pngChunk(file, "IEND", 0); + pngInt32(file, ~pngCRC); +} diff --git a/bin/pngo.c b/bin/pngo.c new file mode 100644 index 00000000..eb51ccc2 --- /dev/null +++ b/bin/pngo.c @@ -0,0 +1,941 @@ +/* Copyright (C) 2018, 2021 June McEnroe <june@causal.agency> + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <err.h> +#include <inttypes.h> +#include <limits.h> +#include <stdbool.h> +#include <stdint.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sysexits.h> +#include <unistd.h> +#include <zlib.h> + +#define ARRAY_LEN(a) (sizeof(a) / sizeof(a[0])) + +static bool verbose; +static const char *path; +static FILE *file; +static uint32_t crc; + +static void pngRead(void *ptr, size_t len, const char *desc) { + size_t n = fread(ptr, len, 1, file); + if (!n && ferror(file)) err(EX_IOERR, "%s", path); + if (!n) errx(EX_DATAERR, "%s: missing %s", path, desc); + crc = crc32(crc, ptr, len); +} + +static void pngWrite(const void *ptr, size_t len) { + size_t n = fwrite(ptr, len, 1, file); + if (!n) err(EX_IOERR, "%s", path); + crc = crc32(crc, ptr, len); +} + +static const uint8_t Sig[8] = "\x89PNG\r\n\x1A\n"; + +static void sigRead(void) { + uint8_t sig[sizeof(Sig)]; + pngRead(sig, sizeof(sig), "signature"); + if (memcmp(sig, Sig, sizeof(sig))) { + errx(EX_DATAERR, "%s: invalid signature", path); + } +} + +static void sigWrite(void) { + pngWrite(Sig, sizeof(Sig)); +} + +static uint32_t u32Read(const char *desc) { + uint8_t b[4]; + pngRead(b, sizeof(b), desc); + return (uint32_t)b[0] << 24 | (uint32_t)b[1] << 16 + | (uint32_t)b[2] << 8 | (uint32_t)b[3]; +} + +static void u32Write(uint32_t x) { + uint8_t b[4] = { x >> 24 & 0xFF, x >> 16 & 0xFF, x >> 8 & 0xFF, x & 0xFF }; + pngWrite(b, sizeof(b)); +} + +struct Chunk { + uint32_t len; + char type[5]; +}; + +static struct Chunk chunkRead(void) { + struct Chunk chunk; + chunk.len = u32Read("chunk length"); + crc = crc32(0, Z_NULL, 0); + pngRead(chunk.type, 4, "chunk type"); + chunk.type[4] = 0; + return chunk; +} + +static void chunkWrite(struct Chunk chunk) { + u32Write(chunk.len); + crc = crc32(0, Z_NULL, 0); + pngWrite(chunk.type, 4); +} + +static void crcRead(void) { + uint32_t expect = crc; + uint32_t actual = u32Read("CRC32"); + if (actual == expect) return; + errx( + EX_DATAERR, "%s: expected CRC32 %08X, found %08X", + path, expect, actual + ); +} + +static void crcWrite(void) { + u32Write(crc); +} + +static void chunkSkip(struct Chunk chunk) { + if (!(chunk.type[0] & 0x20)) { + errx(EX_CONFIG, "%s: unsupported critical chunk %s", path, chunk.type); + } + uint8_t buf[4096]; + while (chunk.len > sizeof(buf)) { + pngRead(buf, sizeof(buf), "chunk data"); + chunk.len -= sizeof(buf); + } + if (chunk.len) pngRead(buf, chunk.len, "chunk data"); + crcRead(); +} + +enum Color { + Grayscale = 0, + Truecolor = 2, + Indexed = 3, + GrayscaleAlpha = 4, + TruecolorAlpha = 6, +}; +enum Compression { + Deflate, +}; +enum FilterMethod { + Adaptive, +}; +enum Interlace { + Progressive, + Adam7, +}; + +enum { HeaderLen = 13 }; +static struct { + uint32_t width; + uint32_t height; + uint8_t depth; + uint8_t color; + uint8_t compression; + uint8_t filter; + uint8_t interlace; +} header; + +static size_t pixelLen; +static size_t lineLen; +static size_t dataLen; + +static void recalc(void) { + size_t pixelBits = header.depth; + switch (header.color) { + break; case GrayscaleAlpha: pixelBits *= 2; + break; case Truecolor: pixelBits *= 3; + break; case TruecolorAlpha: pixelBits *= 4; + } + pixelLen = (pixelBits + 7) / 8; + lineLen = (header.width * pixelBits + 7) / 8; + dataLen = (1 + lineLen) * header.height; +} + +static void headerPrint(void) { + static const char *String[] = { + [Grayscale] = "grayscale", + [Truecolor] = "truecolor", + [Indexed] = "indexed", + [GrayscaleAlpha] = "grayscale alpha", + [TruecolorAlpha] = "truecolor alpha", + }; + fprintf( + stderr, "%s: %" PRIu32 "x%" PRIu32 " %" PRIu8 "-bit %s\n", + path, header.width, header.height, header.depth, String[header.color] + ); +} + +static void headerRead(struct Chunk chunk) { + if (chunk.len != HeaderLen) { + errx( + EX_DATAERR, "%s: expected %s length %" PRIu32 ", found %" PRIu32, + path, chunk.type, (uint32_t)HeaderLen, chunk.len + ); + } + header.width = u32Read("header width"); + header.height = u32Read("header height"); + pngRead(&header.depth, 1, "header depth"); + pngRead(&header.color, 1, "header color"); + pngRead(&header.compression, 1, "header compression"); + pngRead(&header.filter, 1, "header filter"); + pngRead(&header.interlace, 1, "header interlace"); + crcRead(); + recalc(); + + if (!header.width) errx(EX_DATAERR, "%s: invalid width 0", path); + if (!header.height) errx(EX_DATAERR, "%s: invalid height 0", path); + static const struct { + uint8_t color; + uint8_t depth; + } Valid[] = { + { Grayscale, 1 }, + { Grayscale, 2 }, + { Grayscale, 4 }, + { Grayscale, 8 }, + { Grayscale, 16 }, + { Truecolor, 8 }, + { Truecolor, 16 }, + { Indexed, 1 }, + { Indexed, 2 }, + { Indexed, 4 }, + { Indexed, 8 }, + { Indexed, 16 }, + { GrayscaleAlpha, 8 }, + { GrayscaleAlpha, 16 }, + { TruecolorAlpha, 8 }, + { TruecolorAlpha, 16 }, + }; + bool valid = false; + for (size_t i = 0; i < ARRAY_LEN(Valid); ++i) { + valid = ( + header.color == Valid[i].color && + header.depth == Valid[i].depth + ); + if (valid) break; + } + if (!valid) { + errx( + EX_DATAERR, + "%s: invalid color type %" PRIu8 " and bit depth %" PRIu8, + path, header.color, header.depth + ); + } + if (header.compression != Deflate) { + errx( + EX_DATAERR, "%s: invalid compression method %" PRIu8, + path, header.compression + ); + } + if (header.filter != Adaptive) { + errx( + EX_DATAERR, "%s: invalid filter method %" PRIu8, + path, header.filter + ); + } + if (header.interlace > Adam7) { + errx( + EX_DATAERR, "%s: invalid interlace method %" PRIu8, + path, header.interlace + ); + } + + if (verbose) headerPrint(); +} + +static void headerWrite(void) { + if (verbose) headerPrint(); + + struct Chunk ihdr = { HeaderLen, "IHDR" }; + chunkWrite(ihdr); + u32Write(header.width); + u32Write(header.height); + pngWrite(&header.depth, 1); + pngWrite(&header.color, 1); + pngWrite(&header.compression, 1); + pngWrite(&header.filter, 1); + pngWrite(&header.interlace, 1); + crcWrite(); +} + +static struct { + uint32_t len; + uint8_t rgb[256][3]; +} pal; + +static struct { + uint32_t len; + uint8_t a[256]; +} trans; + +static void palClear(void) { + pal.len = 0; + trans.len = 0; +} + +static uint32_t palIndex(bool alpha, const uint8_t *rgba) { + uint32_t i; + for (i = 0; i < pal.len; ++i) { + if (alpha && i < trans.len && trans.a[i] != rgba[3]) continue; + if (!memcmp(pal.rgb[i], rgba, 3)) break; + } + return i; +} + +static bool palAdd(bool alpha, const uint8_t *rgba) { + uint32_t i = palIndex(alpha, rgba); + if (i < pal.len) return true; + if (i == 256) return false; + memcpy(pal.rgb[i], rgba, 3); + pal.len++; + if (alpha) { + trans.a[i] = rgba[3]; + trans.len++; + } + return true; +} + +static void transCompact(void) { + uint32_t i; + for (i = 0; i < trans.len; ++i) { + if (trans.a[i] == 0xFF) break; + } + if (i == trans.len) return; + + for (uint32_t j = i+1; j < trans.len; ++j) { + if (trans.a[j] == 0xFF) continue; + uint8_t a = trans.a[i]; + trans.a[i] = trans.a[j]; + trans.a[j] = a; + uint8_t rgb[3]; + memcpy(rgb, pal.rgb[i], 3); + memcpy(pal.rgb[i], pal.rgb[j], 3); + memcpy(pal.rgb[j], rgb, 3); + i++; + } + trans.len = i; +} + +static void palRead(struct Chunk chunk) { + if (chunk.len % 3) { + errx( + EX_DATAERR, "%s: %s length %" PRIu32 " not divisible by 3", + path, chunk.type, chunk.len + ); + } + pal.len = chunk.len / 3; + if (pal.len > 256) { + errx( + EX_DATAERR, "%s: %s length %" PRIu32 " > 256", + path, chunk.type, pal.len + ); + } + pngRead(pal.rgb, chunk.len, "palette data"); + crcRead(); + if (verbose) { + fprintf(stderr, "%s: palette length %" PRIu32 "\n", path, pal.len); + } +} + +static void palWrite(void) { + if (verbose) { + fprintf(stderr, "%s: palette length %" PRIu32 "\n", path, pal.len); + } + struct Chunk plte = { 3 * pal.len, "PLTE" }; + chunkWrite(plte); + pngWrite(pal.rgb, plte.len); + crcWrite(); +} + +static void transRead(struct Chunk chunk) { + trans.len = chunk.len; + if (trans.len > 256) { + errx( + EX_DATAERR, "%s: %s length %" PRIu32 " > 256", + path, chunk.type, trans.len + ); + } + pngRead(trans.a, chunk.len, "transparency data"); + crcRead(); + if (verbose) { + fprintf(stderr, "%s: trans length %" PRIu32 "\n", path, trans.len); + } +} + +static void transWrite(void) { + if (verbose) { + fprintf(stderr, "%s: trans length %" PRIu32 "\n", path, trans.len); + } + struct Chunk trns = { trans.len, "tRNS" }; + chunkWrite(trns); + pngWrite(trans.a, trns.len); + crcWrite(); +} + +static uint8_t *data; + +static void dataAlloc(void) { + data = malloc(dataLen); + if (!data) err(EX_OSERR, "malloc"); +} + +static const char *humanize(size_t n) { + static char buf[64]; + if (n >> 10) { + snprintf(buf, sizeof(buf), "%zuK", n >> 10); + } else { + snprintf(buf, sizeof(buf), "%zuB", n); + } + return buf; +} + +static void dataRead(struct Chunk chunk) { + if (verbose) { + fprintf(stderr, "%s: data size %s\n", path, humanize(dataLen)); + } + + z_stream stream = { .next_out = data, .avail_out = dataLen }; + int error = inflateInit(&stream); + if (error != Z_OK) errx(EX_SOFTWARE, "inflateInit: %s", stream.msg); + + for (;;) { + if (strcmp(chunk.type, "IDAT")) { + errx(EX_DATAERR, "%s: missing IDAT chunk", path); + } + + uint8_t *idat = malloc(chunk.len); + if (!idat) err(EX_OSERR, "malloc"); + + pngRead(idat, chunk.len, "image data"); + crcRead(); + + stream.next_in = idat; + stream.avail_in = chunk.len; + error = inflate(&stream, Z_SYNC_FLUSH); + free(idat); + + if (error == Z_STREAM_END) break; + if (error != Z_OK) { + errx(EX_DATAERR, "%s: inflate: %s", path, stream.msg); + } + + chunk = chunkRead(); + } + inflateEnd(&stream); + if ((size_t)stream.total_out != dataLen) { + errx( + EX_DATAERR, "%s: expected data length %zu, found %zu", + path, dataLen, (size_t)stream.total_out + ); + } + + if (verbose) { + fprintf( + stderr, "%s: deflate size %s\n", + path, humanize(stream.total_in) + ); + } +} + +static void dataWrite(void) { + if (verbose) { + fprintf(stderr, "%s: data size %s\n", path, humanize(dataLen)); + } + + z_stream stream = { + .next_in = data, + .avail_in = dataLen, + }; + int error = deflateInit2( + &stream, Z_BEST_COMPRESSION, Z_DEFLATED, 15, 8, Z_FILTERED + ); + if (error != Z_OK) errx(EX_SOFTWARE, "deflateInit2: %s", stream.msg); + + uLong bound = deflateBound(&stream, dataLen); + uint8_t *buf = malloc(bound); + if (!buf) err(EX_OSERR, "malloc"); + + stream.next_out = buf; + stream.avail_out = bound; + deflate(&stream, Z_FINISH); + deflateEnd(&stream); + + struct Chunk idat = { stream.total_out, "IDAT" }; + chunkWrite(idat); + pngWrite(buf, stream.total_out); + crcWrite(); + free(buf); + + struct Chunk iend = { 0, "IEND" }; + chunkWrite(iend); + crcWrite(); + + if (verbose) { + fprintf( + stderr, "%s: deflate size %s\n", + path, humanize(stream.total_out) + ); + } +} + +enum Filter { + None, + Sub, + Up, + Average, + Paeth, + FilterCap, +}; + +struct Bytes { + uint8_t x, a, b, c; +}; + +static uint8_t paethPredictor(struct Bytes f) { + int32_t p = (int32_t)f.a + (int32_t)f.b - (int32_t)f.c; + int32_t pa = labs(p - (int32_t)f.a); + int32_t pb = labs(p - (int32_t)f.b); + int32_t pc = labs(p - (int32_t)f.c); + if (pa <= pb && pa <= pc) return f.a; + if (pb <= pc) return f.b; + return f.c; +} + +static uint8_t recon(enum Filter type, struct Bytes f) { + switch (type) { + case None: return f.x; + case Sub: return f.x + f.a; + case Up: return f.x + f.b; + case Average: return f.x + ((uint32_t)f.a + (uint32_t)f.b) / 2; + case Paeth: return f.x + paethPredictor(f); + default: abort(); + } +} + +static uint8_t filt(enum Filter type, struct Bytes f) { + switch (type) { + case None: return f.x; + case Sub: return f.x - f.a; + case Up: return f.x - f.b; + case Average: return f.x - ((uint32_t)f.a + (uint32_t)f.b) / 2; + case Paeth: return f.x - paethPredictor(f); + default: abort(); + } +} + +static uint8_t *lineType(uint32_t y) { + return &data[y * (1 + lineLen)]; +} +static uint8_t *lineData(uint32_t y) { + return 1 + lineType(y); +} + +static struct Bytes origBytes(uint32_t y, size_t i) { + bool a = (i >= pixelLen), b = (y > 0), c = (a && b); + return (struct Bytes) { + .x = lineData(y)[i], + .a = (a ? lineData(y)[i-pixelLen] : 0), + .b = (b ? lineData(y-1)[i] : 0), + .c = (c ? lineData(y-1)[i-pixelLen] : 0), + }; +} + +static void dataRecon(void) { + for (uint32_t y = 0; y < header.height; ++y) { + for (size_t i = 0; i < lineLen; ++i) { + lineData(y)[i] = recon(*lineType(y), origBytes(y, i)); + } + *lineType(y) = None; + } +} + +static void dataFilter(void) { + if (header.color == Indexed || header.depth < 8) return; + uint8_t *filter[FilterCap]; + for (enum Filter i = None; i < FilterCap; ++i) { + filter[i] = malloc(lineLen); + if (!filter[i]) err(EX_OSERR, "malloc"); + } + for (uint32_t y = header.height-1; y < header.height; --y) { + uint32_t heuristic[FilterCap] = {0}; + enum Filter minType = None; + for (enum Filter type = None; type < FilterCap; ++type) { + for (size_t i = 0; i < lineLen; ++i) { + filter[type][i] = filt(type, origBytes(y, i)); + heuristic[type] += abs((int8_t)filter[type][i]); + } + if (heuristic[type] < heuristic[minType]) minType = type; + } + *lineType(y) = minType; + memcpy(lineData(y), filter[minType], lineLen); + } + for (enum Filter i = None; i < FilterCap; ++i) { + free(filter[i]); + } +} + +static bool alphaUnused(void) { + if (header.color != GrayscaleAlpha && header.color != TruecolorAlpha) { + return false; + } + size_t sampleLen = header.depth / 8; + size_t colorLen = pixelLen - sampleLen; + for (uint32_t y = 0; y < header.height; ++y) + for (uint32_t x = 0; x < header.width; ++x) + for (size_t i = 0; i < sampleLen; ++i) { + if (lineData(y)[x * pixelLen + colorLen + i] != 0xFF) return false; + } + return true; +} + +static void alphaDiscard(void) { + if (header.color != GrayscaleAlpha && header.color != TruecolorAlpha) { + return; + } + size_t sampleLen = header.depth / 8; + size_t colorLen = pixelLen - sampleLen; + uint8_t *ptr = data; + for (uint32_t y = 0; y < header.height; ++y) { + *ptr++ = *lineType(y); + for (uint32_t x = 0; x < header.width; ++x) { + memmove(ptr, &lineData(y)[x * pixelLen], colorLen); + ptr += colorLen; + } + } + header.color = (header.color == GrayscaleAlpha ? Grayscale : Truecolor); + recalc(); +} + +static bool depth16Unused(void) { + if (header.color != Grayscale && header.color != Truecolor) return false; + if (header.depth != 16) return false; + for (uint32_t y = 0; y < header.height; ++y) + for (size_t i = 0; i < lineLen; i += 2) { + if (lineData(y)[i] != lineData(y)[i+1]) return false; + } + return true; +} + +static void depth16Reduce(void) { + if (header.depth != 16) return; + uint8_t *ptr = data; + for (uint32_t y = 0; y < header.height; ++y) { + *ptr++ = *lineType(y); + for (size_t i = 0; i < lineLen / 2; ++i) { + *ptr++ = lineData(y)[i*2]; + } + } + header.depth = 8; + recalc(); +} + +static bool colorUnused(void) { + if (header.color != Truecolor && header.color != TruecolorAlpha) { + return false; + } + if (header.depth != 8) return false; + for (uint32_t y = 0; y < header.height; ++y) + for (uint32_t x = 0; x < header.width; ++x) { + uint8_t r = lineData(y)[x * pixelLen + 0]; + uint8_t g = lineData(y)[x * pixelLen + 1]; + uint8_t b = lineData(y)[x * pixelLen + 2]; + if (r != g || g != b) return false; + } + return true; +} + +static void colorDiscard(void) { + if (header.color != Truecolor && header.color != TruecolorAlpha) return; + if (header.depth != 8) return; + uint8_t *ptr = data; + for (uint32_t y = 0; y < header.height; ++y) { + *ptr++ = *lineType(y); + for (uint32_t x = 0; x < header.width; ++x) { + uint8_t r = lineData(y)[x * pixelLen + 0]; + uint8_t g = lineData(y)[x * pixelLen + 1]; + uint8_t b = lineData(y)[x * pixelLen + 2]; + *ptr++ = ((uint32_t)r + (uint32_t)g + (uint32_t)b) / 3; + if (header.color == TruecolorAlpha) { + *ptr++ = lineData(y)[x * pixelLen + 3]; + } + } + } + header.color = (header.color == Truecolor ? Grayscale : GrayscaleAlpha); + recalc(); +} + +static void colorIndex(void) { + if (header.color != Truecolor && header.color != TruecolorAlpha) return; + if (header.depth != 8) return; + bool alpha = (header.color == TruecolorAlpha); + for (uint32_t y = 0; y < header.height; ++y) + for (uint32_t x = 0; x < header.width; ++x) { + if (!palAdd(alpha, &lineData(y)[x * pixelLen])) return; + } + + transCompact(); + uint8_t *ptr = data; + for (uint32_t y = 0; y < header.height; ++y) { + *ptr++ = *lineType(y); + for (uint32_t x = 0; x < header.width; ++x) { + *ptr++ = palIndex(alpha, &lineData(y)[x * pixelLen]); + } + } + header.color = Indexed; + recalc(); +} + +static bool depth8Unused(void) { + if (header.depth != 8) return false; + if (header.color == Indexed) return pal.len <= 16; + if (header.color != Grayscale) return false; + for (uint32_t y = 0; y < header.height; ++y) + for (size_t i = 0; i < lineLen; ++i) { + if ((lineData(y)[i] >> 4) != (lineData(y)[i] & 0x0F)) return false; + } + return true; +} + +static void depth8Reduce(void) { + if (header.color != Grayscale && header.color != Indexed) return; + if (header.depth != 8) return; + uint8_t *ptr = data; + for (uint32_t y = 0; y < header.height; ++y) { + *ptr++ = *lineType(y); + for (size_t i = 0; i < lineLen; i += 2) { + uint8_t a, b; + uint8_t aa = lineData(y)[i]; + uint8_t bb = (i+1 < lineLen ? lineData(y)[i+1] : 0); + if (header.color == Grayscale) { + a = aa >> 4; + b = bb >> 4; + } else { + a = aa & 0x0F; + b = bb & 0x0F; + } + *ptr++ = a << 4 | b; + } + } + header.depth = 4; + recalc(); +} + +static bool depth4Unused(void) { + if (header.depth != 4) return false; + if (header.color == Indexed) return pal.len <= 4; + if (header.color != Grayscale) return false; + for (uint32_t y = 0; y < header.height; ++y) + for (size_t i = 0; i < lineLen; ++i) { + uint8_t a = lineData(y)[i] >> 4; + uint8_t b = lineData(y)[i] & 0x0F; + if ((a >> 2) != (a & 0x03)) return false; + if ((b >> 2) != (b & 0x03)) return false; + } + return true; +} + +static void depth4Reduce(void) { + if (header.color != Grayscale && header.color != Indexed) return; + if (header.depth != 4) return; + uint8_t *ptr = data; + for (uint32_t y = 0; y < header.height; ++y) { + *ptr++ = *lineType(y); + for (size_t i = 0; i < lineLen; i += 2) { + uint8_t a, b, c, d; + uint8_t aabb = lineData(y)[i]; + uint8_t ccdd = (i+1 < lineLen ? lineData(y)[i+1] : 0); + if (header.color == Grayscale) { + a = aabb >> 6; + c = ccdd >> 6; + b = aabb >> 2 & 0x03; + d = ccdd >> 2 & 0x03; + } else { + a = aabb >> 4 & 0x03; + c = ccdd >> 4 & 0x03; + b = aabb & 0x03; + d = ccdd & 0x03; + } + *ptr++ = a << 6 | b << 4 | c << 2 | d; + } + } + header.depth = 2; + recalc(); +} + +static bool depth2Unused(void) { + if (header.depth != 2) return false; + if (header.color == Indexed) return pal.len <= 2; + if (header.color != Grayscale) return false; + for (uint32_t y = 0; y < header.height; ++y) + for (size_t i = 0; i < lineLen; ++i) { + uint8_t a = lineData(y)[i] >> 6; + uint8_t b = lineData(y)[i] >> 4 & 0x03; + uint8_t c = lineData(y)[i] >> 2 & 0x03; + uint8_t d = lineData(y)[i] & 0x03; + if ((a >> 1) != (a & 1)) return false; + if ((b >> 1) != (b & 1)) return false; + if ((c >> 1) != (c & 1)) return false; + if ((d >> 1) != (d & 1)) return false; + } + return true; +} + +static void depth2Reduce(void) { + if (header.color != Grayscale && header.color != Indexed) return; + if (header.depth != 2) return; + uint8_t *ptr = data; + for (uint32_t y = 0; y < header.height; ++y) { + *ptr++ = *lineType(y); + for (size_t i = 0; i < lineLen; i += 2) { + uint8_t a, b, c, d, e, f, g, h; + uint8_t aabbccdd = lineData(y)[i]; + uint8_t eeffgghh = (i+1 < lineLen ? lineData(y)[i+1] : 0); + if (header.color == Grayscale) { + a = aabbccdd >> 7; + b = aabbccdd >> 5 & 1; + c = aabbccdd >> 3 & 1; + d = aabbccdd >> 1 & 1; + e = eeffgghh >> 7; + f = eeffgghh >> 5 & 1; + g = eeffgghh >> 3 & 1; + h = eeffgghh >> 1 & 1; + } else { + a = aabbccdd >> 6 & 1; + b = aabbccdd >> 4 & 1; + c = aabbccdd >> 2 & 1; + d = aabbccdd & 1; + e = eeffgghh >> 6 & 1; + f = eeffgghh >> 4 & 1; + g = eeffgghh >> 2 & 1; + h = eeffgghh & 1; + } + *ptr++ = 0 + | a << 7 | b << 6 | c << 5 | d << 4 + | e << 3 | f << 2 | g << 1 | h; + } + } + header.depth = 1; + recalc(); +} + +static bool discardAlpha; +static bool discardColor; +static uint8_t reduceDepth = 16; + +static void optimize(const char *inPath, const char *outPath) { + if (inPath) { + path = inPath; + file = fopen(path, "r"); + if (!file) err(EX_NOINPUT, "%s", path); + } else { + path = "stdin"; + file = stdin; + } + + sigRead(); + struct Chunk ihdr = chunkRead(); + if (strcmp(ihdr.type, "IHDR")) { + errx(EX_DATAERR, "%s: expected IHDR, found %s", path, ihdr.type); + } + headerRead(ihdr); + if (header.interlace != Progressive) { + errx(EX_CONFIG, "%s: unsupported interlacing", path); + } + + palClear(); + dataAlloc(); + for (;;) { + struct Chunk chunk = chunkRead(); + if (!strcmp(chunk.type, "PLTE")) { + palRead(chunk); + } else if (!strcmp(chunk.type, "tRNS")) { + transRead(chunk); + } else if (!strcmp(chunk.type, "IDAT")) { + dataRead(chunk); + } else if (!strcmp(chunk.type, "IEND")) { + break; + } else { + chunkSkip(chunk); + } + } + fclose(file); + + dataRecon(); + if (discardAlpha || alphaUnused()) alphaDiscard(); + if (reduceDepth < 16 || depth16Unused()) depth16Reduce(); + if (discardColor || colorUnused()) colorDiscard(); + colorIndex(); + if (reduceDepth < 8 || depth8Unused()) depth8Reduce(); + if (reduceDepth < 4 || depth4Unused()) depth4Reduce(); + if (reduceDepth < 2 || depth2Unused()) depth2Reduce(); + dataFilter(); + + char buf[PATH_MAX]; + if (outPath) { + path = outPath; + if (outPath == inPath) { + snprintf(buf, sizeof(buf), "%so", outPath); + file = fopen(buf, "wx"); + if (!file) err(EX_CANTCREAT, "%s", buf); + } else { + file = fopen(path, "w"); + if (!file) err(EX_CANTCREAT, "%s", outPath); + } + } else { + path = "stdout"; + file = stdout; + } + + sigWrite(); + headerWrite(); + if (header.color == Indexed) { + palWrite(); + if (trans.len) transWrite(); + } + dataWrite(); + free(data); + int error = fclose(file); + if (error) err(EX_IOERR, "%s", path); + + if (outPath && outPath == inPath) { + error = rename(buf, outPath); + if (error) err(EX_CANTCREAT, "%s", outPath); + } +} + +int main(int argc, char *argv[]) { + bool stdio = false; + char *outPath = NULL; + + for (int opt; 0 < (opt = getopt(argc, argv, "ab:cgo:v"));) { + switch (opt) { + break; case 'a': discardAlpha = true; + break; case 'b': reduceDepth = strtoul(optarg, NULL, 10); + break; case 'c': stdio = true; + break; case 'g': discardColor = true; + break; case 'o': outPath = optarg; + break; case 'v': verbose = true; + break; default: return EX_USAGE; + } + } + + if (optind < argc) { + for (int i = optind; i < argc; ++i) { + optimize(argv[i], (stdio ? NULL : outPath ? outPath : argv[i])); + } + } else { + optimize(NULL, outPath); + } +} diff --git a/bin/psf2png.c b/bin/psf2png.c new file mode 100644 index 00000000..c36238a0 --- /dev/null +++ b/bin/psf2png.c @@ -0,0 +1,107 @@ +/* Copyright (C) 2018 June McEnroe <june@causal.agency> + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <err.h> +#include <stdint.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sysexits.h> +#include <unistd.h> + +#include "png.h" + +int main(int argc, char *argv[]) { + uint32_t cols = 32; + const char *str = NULL; + uint32_t fg = 0xFFFFFF; + uint32_t bg = 0x000000; + + int opt; + while (0 < (opt = getopt(argc, argv, "b:c:f:s:"))) { + switch (opt) { + break; case 'b': bg = strtoul(optarg, NULL, 16); + break; case 'c': cols = strtoul(optarg, NULL, 0); + break; case 'f': fg = strtoul(optarg, NULL, 16); + break; case 's': str = optarg; + break; default: return EX_USAGE; + } + } + if (!cols && str) cols = strlen(str); + if (!cols) return EX_USAGE; + + const char *path = NULL; + if (optind < argc) path = argv[optind]; + + FILE *file = path ? fopen(path, "r") : stdin; + if (!file) err(EX_NOINPUT, "%s", path); + if (!path) path = "(stdin)"; + + struct { + uint32_t magic; + uint32_t version; + uint32_t size; + uint32_t flags; + struct { + uint32_t len; + uint32_t size; + uint32_t height; + uint32_t width; + } glyph; + } header; + size_t len = fread(&header, sizeof(header), 1, file); + if (ferror(file)) err(EX_IOERR, "%s", path); + if (len < 1) errx(EX_DATAERR, "%s: truncated header", path); + + uint32_t widthBytes = (header.glyph.width + 7) / 8; + uint8_t glyphs[header.glyph.len][header.glyph.height][widthBytes]; + len = fread(glyphs, header.glyph.size, header.glyph.len, file); + if (ferror(file)) err(EX_IOERR, "%s", path); + if (len < header.glyph.len) { + errx(EX_DATAERR, "%s: truncated glyphs", path); + } + fclose(file); + + uint32_t count = (str ? strlen(str) : header.glyph.len); + uint32_t width = header.glyph.width * cols; + uint32_t rows = (count + cols - 1) / cols; + uint32_t height = header.glyph.height * rows; + + pngHead(stdout, width, height, 8, PNGIndexed); + uint8_t pal[] = { + bg >> 16, bg >> 8, bg, + fg >> 16, fg >> 8, fg, + }; + pngPalette(stdout, pal, sizeof(pal)); + + uint8_t data[height][1 + width]; + memset(data, PNGNone, sizeof(data)); + + for (uint32_t i = 0; i < count; ++i) { + uint32_t row = header.glyph.height * (i / cols); + uint32_t col = 1 + header.glyph.width * (i % cols); + uint32_t g = (str ? str[i] : i); + for (uint32_t y = 0; y < header.glyph.height; ++y) { + for (uint32_t x = 0; x < header.glyph.width; ++x) { + uint8_t bit = glyphs[g][y][x / 8] >> (7 - x % 8) & 1; + data[row + y][col + x] = bit; + } + } + } + + pngData(stdout, (uint8_t *)data, sizeof(data)); + pngTail(stdout); +} diff --git a/bin/ptee.c b/bin/ptee.c new file mode 100644 index 00000000..52350a21 --- /dev/null +++ b/bin/ptee.c @@ -0,0 +1,151 @@ +/* Copyright (C) 2019 June McEnroe <june@causal.agency> + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <err.h> +#include <errno.h> +#include <poll.h> +#include <signal.h> +#include <stdbool.h> +#include <stdio.h> +#include <stdlib.h> +#include <sys/ioctl.h> +#include <sys/time.h> +#include <sys/wait.h> +#include <sysexits.h> +#include <termios.h> +#include <unistd.h> + +#if defined __FreeBSD__ +#include <libutil.h> +#elif defined __linux__ +#include <pty.h> +#else +#include <util.h> +#endif + +typedef unsigned char byte; + +static struct termios saveTerm; +static void restoreTerm(void) { + tcsetattr(STDIN_FILENO, TCSADRAIN, &saveTerm); +} + +static void handler(int sig) { + (void)sig; +} + +int main(int argc, char *argv[]) { + int timer = 0; + for (int opt; 0 < (opt = getopt(argc, argv, "t:"));) { + switch (opt) { + break; case 't': timer = atoi(optarg); + break; default: return EX_USAGE; + } + } + argc -= optind; + argv += optind; + + if (argc < 1) return EX_USAGE; + if (isatty(STDOUT_FILENO)) errx(EX_USAGE, "stdout is not redirected"); + + int error = tcgetattr(STDIN_FILENO, &saveTerm); + if (error) err(EX_IOERR, "tcgetattr"); + atexit(restoreTerm); + + struct termios raw = saveTerm; + cfmakeraw(&raw); + error = tcsetattr(STDIN_FILENO, TCSADRAIN, &raw); + if (error) err(EX_IOERR, "tcsetattr"); + + struct winsize window; + error = ioctl(STDIN_FILENO, TIOCGWINSZ, &window); + if (error) err(EX_IOERR, "ioctl"); + + int pty; + pid_t pid = forkpty(&pty, NULL, NULL, &window); + if (pid < 0) err(EX_OSERR, "forkpty"); + + if (!pid) { + execvp(argv[0], argv); + err(EX_NOINPUT, "%s", argv[0]); + } + + if (timer) { + signal(SIGALRM, handler); + struct timeval tv = { + .tv_sec = timer / 1000, + .tv_usec = timer % 1000 * 1000, + }; + struct itimerval itv = { tv, tv }; + setitimer(ITIMER_REAL, &itv, NULL); + } + + char mc[] = "\x1B[10i"; + bool stop = false; + + byte buf[4096]; + struct pollfd fds[2] = { + { .events = POLLIN, .fd = STDIN_FILENO }, + { .events = POLLIN, .fd = pty }, + }; + for (;;) { + int nfds = poll(fds, 2, -1); + if (nfds < 0 && errno != EINTR) err(EX_IOERR, "poll"); + + if (nfds < 0) { + ssize_t wlen = write(STDOUT_FILENO, mc, sizeof(mc) - 1); + if (wlen < 0) err(EX_IOERR, "write"); + continue; + } + + if (fds[0].revents & POLLIN) { + ssize_t rlen = read(STDIN_FILENO, buf, sizeof(buf)); + if (rlen < 0) err(EX_IOERR, "read"); + + if (rlen == 1 && buf[0] == CTRL('Q')) { + stop ^= true; + continue; + } + + if (rlen == 1 && buf[0] == CTRL('S')) { + ssize_t wlen = write(STDOUT_FILENO, mc, sizeof(mc) - 1); + if (wlen < 0) err(EX_IOERR, "write"); + continue; + } + + ssize_t wlen = write(pty, buf, rlen); + if (wlen < 0) err(EX_IOERR, "write"); + } + + if (fds[1].revents & POLLIN) { + ssize_t rlen = read(pty, buf, sizeof(buf)); + if (rlen < 0) err(EX_IOERR, "read"); + + ssize_t wlen = write(STDIN_FILENO, buf, rlen); + if (wlen < 0) err(EX_IOERR, "write"); + + if (!stop) { + wlen = write(STDOUT_FILENO, buf, rlen); + if (wlen < 0) err(EX_IOERR, "write"); + } + } + + int status; + pid_t dead = waitpid(pid, &status, WNOHANG); + if (dead < 0) err(EX_OSERR, "waitpid"); + if (dead) return WIFEXITED(status) ? WEXITSTATUS(status) : EX_SOFTWARE; + } +} diff --git a/bin/qf.c b/bin/qf.c new file mode 100644 index 00000000..1fbf48b9 --- /dev/null +++ b/bin/qf.c @@ -0,0 +1,294 @@ +/* Copyright (C) 2022 June McEnroe <june@causal.agency> + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <ctype.h> +#include <curses.h> +#include <err.h> +#include <fcntl.h> +#include <poll.h> +#include <regex.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sys/wait.h> +#include <sysexits.h> +#include <unistd.h> + +enum Type { + File, + Match, + Context, + Text, +}; + +struct Line { + enum Type type; + char *path; + unsigned nr; + char *text; + regmatch_t match; +}; + +static struct { + struct Line *ptr; + size_t len, cap; +} lines; + +static void push(struct Line line) { + if (lines.len == lines.cap) { + lines.cap = (lines.cap ? lines.cap * 2 : 256); + lines.ptr = realloc(lines.ptr, sizeof(*lines.ptr) * lines.cap); + if (!lines.ptr) err(EX_OSERR, "realloc"); + } + lines.ptr[lines.len++] = line; +} + +static const char *pattern; +static regex_t regex; + +static void parse(struct Line line) { + line.path = strsep(&line.text, ":"); + if (!line.text) { + line.type = Text; + line.text = line.path; + if (lines.len) line.path = lines.ptr[lines.len-1].path; + push(line); + return; + } + char *rest; + line.nr = strtoul(line.text, &rest, 10); + struct Line prev = {0}; + if (lines.len) prev = lines.ptr[lines.len-1]; + if (!prev.path || strcmp(line.path, prev.path)) { + if (lines.len) push((struct Line) { .type = Text, .text = " " }); + line.type = File; + push(line); + } + if (rest > line.text && rest[0] == ':') { + line.type = Match; + line.text = &rest[1]; + } else if (rest > line.text && rest[0] == '-') { + line.type = Context; + line.text = &rest[1]; + } else { + line.type = Text; + } + if (line.type == Match && pattern) { + regexec(®ex, line.text, 1, &line.match, 0); + } + push(line); +} + +enum { + Path = 1, + Number = 2, + Highlight = 3, +}; + +static void curse(void) { + set_term(newterm(NULL, stdout, stderr)); + cbreak(); + noecho(); + nodelay(stdscr, true); + TABSIZE = 4; + curs_set(0); + start_color(); + use_default_colors(); + init_pair(Path, COLOR_GREEN, -1); + init_pair(Number, COLOR_YELLOW, -1); + init_pair(Highlight, COLOR_MAGENTA, -1); +} + +static size_t top; +static size_t cur; +static bool reading = true; + +static void draw(void) { + int y = 0, x = 0; + for (int i = 0; i < LINES; ++i) { + move(i, 0); + clrtoeol(); + if (top + i >= lines.len) { + addstr(reading ? "..." : !lines.len ? "No results" : ""); + break; + } + struct Line line = lines.ptr[top + i]; + if (top + i == cur) { + getyx(stdscr, y, x); + attron(A_REVERSE); + } else { + attroff(A_REVERSE); + } + switch (line.type) { + break; case File: { + color_set(Path, NULL); + addstr(line.path); + color_set(0, NULL); + } + break; case Match: { + color_set(Number, NULL); + printw("%u", line.nr); + color_set(0, NULL); + addch(':'); + if (line.match.rm_so == line.match.rm_eo) { + addstr(line.text); + break; + } + addnstr(line.text, line.match.rm_so); + color_set(Highlight, NULL); + addnstr( + &line.text[line.match.rm_so], + line.match.rm_eo - line.match.rm_so + ); + color_set(0, NULL); + addstr(&line.text[line.match.rm_eo]); + } + break; case Context: { + color_set(Number, NULL); + printw("%u", line.nr); + color_set(0, NULL); + addch('-'); + addstr(line.text); + } + break; case Text: addstr(line.text); + } + } + move(y, x); + refresh(); +} + +static void edit(struct Line line) { + char cmd[32]; + snprintf(cmd, sizeof(cmd), "+%u", (line.nr ? line.nr : 1)); + const char *editor = getenv("EDITOR"); + if (!editor) editor = "vi"; + pid_t pid = fork(); + if (pid < 0) err(EX_OSERR, "fork"); + if (!pid) { + dup2(STDERR_FILENO, STDIN_FILENO); + execlp(editor, editor, cmd, line.path, NULL); + err(EX_CONFIG, "%s", editor); + } + int status; + pid = waitpid(pid, &status, 0); + if (pid < 0) err(EX_OSERR, "waitpid"); +} + +static void toPrev(enum Type type) { + if (!cur) return; + size_t prev = cur - 1; + while (prev && lines.ptr[prev].type != type) { + prev--; + } + if (lines.ptr[prev].type == type) { + cur = prev; + } +} + +static void toNext(enum Type type) { + size_t next = cur + 1; + while (next < lines.len && lines.ptr[next].type != type) { + next++; + } + if (next < lines.len && lines.ptr[next].type == type) { + cur = next; + } +} + +static void input(void) { + char ch; + while (ERR != (ch = getch())) { + switch (ch) { + break; case '\n': { + if (lines.ptr[cur].type == Text) break; + endwin(); + edit(lines.ptr[cur]); + refresh(); + } + break; case '{': toPrev(File); + break; case '}': toNext(File); + break; case 'G': cur = lines.len - 1; + break; case 'N': toPrev(Match); + break; case 'g': cur = 0; + break; case 'j': if (cur + 1 < lines.len) cur++; + break; case 'k': if (cur) cur--; + break; case 'n': toNext(Match); + break; case 'q': { + endwin(); + exit(EX_OK); + } + break; case 'r': clearok(stdscr, true); + } + } + if (cur < top) top = cur; + if (cur >= top + LINES) top = cur - LINES + 1; +} + +int main(int argc, char *argv[]) { + if (isatty(STDIN_FILENO)) errx(EX_USAGE, "no input"); + if (argc > 1) { + pattern = argv[1]; + int flags = REG_EXTENDED | REG_ICASE; + for (const char *ch = pattern; *ch; ++ch) { + if (isupper(*ch)) { + flags &= ~REG_ICASE; + break; + } + } + int error = regcomp(®ex, pattern, flags); + if (error) errx(EX_USAGE, "invalid pattern"); + } + curse(); + draw(); + struct pollfd fds[2] = { + { .fd = STDERR_FILENO, .events = POLLIN }, + { .fd = STDIN_FILENO, .events = POLLIN }, + }; + size_t len = 0; + size_t cap = 4096; + char *buf = malloc(cap); + if (!buf) err(EX_OSERR, "malloc"); + while (poll(fds, (reading ? 2 : 1), -1)) { + if (fds[0].revents) { + input(); + } + if (reading && fds[1].revents) { + ssize_t n = read(fds[1].fd, &buf[len], cap - len); + if (n < 0) err(EX_IOERR, "read"); + if (!n) reading = false; + len += n; + char *ptr = buf; + for ( + char *nl; + (nl = memchr(ptr, '\n', &buf[len] - ptr)); + ptr = &nl[1] + ) { + struct Line line = { .text = strndup(ptr, nl - ptr) }; + if (!line.text) err(EX_OSERR, "strndup"); + parse(line); + } + len -= ptr - buf; + memmove(buf, ptr, len); + if (len == cap) { + cap *= 2; + buf = realloc(buf, cap); + if (!buf) err(EX_OSERR, "realloc"); + } + } + draw(); + } + err(EX_IOERR, "poll"); +} diff --git a/bin/quick.c b/bin/quick.c new file mode 100644 index 00000000..d814873d --- /dev/null +++ b/bin/quick.c @@ -0,0 +1,163 @@ +/* Copyright (C) 2021 June McEnroe <june@causal.agency> + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <arpa/inet.h> +#include <err.h> +#include <fcntl.h> +#include <netdb.h> +#include <netinet/in.h> +#include <poll.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <strings.h> +#include <sys/socket.h> +#include <sys/wait.h> +#include <sysexits.h> +#include <unistd.h> + +static void request(int sock, char *argv[]) { + struct pollfd pfd = { .fd = sock, .events = POLLIN }; + int nfds = poll(&pfd, 1, -1); + if (nfds < 0) err(EX_OSERR, "poll"); + + char buf[4096]; + ssize_t len = recv(sock, buf, sizeof(buf)-1, MSG_PEEK); + if (len < 0) { + warn("recv"); + return; + } + char *blank = memmem(buf, len, "\r\n\r\n", 4); + if (!blank) { + warnx("can't find end of request headers in peek"); + return; + } + len = recv(sock, buf, &blank[4] - buf, 0); + if (len < 0) { + warn("recv"); + return; + } + buf[len] = '\0'; + + char *ptr = buf; + char *req = strsep(&ptr, "\r\n"); + char *method = strsep(&req, " "); + char *query = strsep(&req, " "); + char *path = strsep(&query, "?"); + char *proto = strsep(&req, " "); + if (!method || !path || !proto) { + warnx("invalid request line"); + return; + } + setenv("REQUEST_METHOD", method, 1); + setenv("PATH_INFO", path, 1); + setenv("QUERY_STRING", (query ? query : ""), 1); + setenv("SERVER_PROTOCOL", proto, 1); + + unsetenv("CONTENT_TYPE"); + unsetenv("CONTENT_LENGTH"); + unsetenv("HTTP_HOST"); + while (ptr) { + char *value = strsep(&ptr, "\r\n"); + if (!value[0]) continue; + char *header = strsep(&value, ":"); + if (!header || !value++) { + warnx("invalid header"); + return; + } + if (!strcasecmp(header, "Content-Type")) { + setenv("CONTENT_TYPE", value, 1); + } else if (!strcasecmp(header, "Content-Length")) { + setenv("CONTENT_LENGTH", value, 1); + } else if (!strcasecmp(header, "Host")) { + setenv("HTTP_HOST", value, 1); + } + } + + dprintf(sock, "HTTP/1.1 200 OK\nConnection: close\n"); + pid_t pid = fork(); + if (pid < 0) err(EX_OSERR, "fork"); + if (!pid) { + dup2(sock, STDIN_FILENO); + dup2(sock, STDOUT_FILENO); + execv(argv[0], argv); + warn("%s", argv[0]); + _exit(127); + } + + int status; + pid = wait(&status); + if (pid < 0) err(EX_OSERR, "wait"); + if (WIFEXITED(status) && WEXITSTATUS(status)) { + warnx("%s exited %d", argv[0], WEXITSTATUS(status)); + } else if (WIFSIGNALED(status)) { + warnx("%s killed %d", argv[0], WTERMSIG(status)); + } +} + +int main(int argc, char *argv[]) { + short port = 0; + for (int opt; 0 < (opt = getopt(argc, argv, "p:"));) { + switch (opt) { + break; case 'p': port = atoi(optarg); + break; default: return EX_USAGE; + } + } + if (optind == argc) errx(EX_USAGE, "script required"); + + int server = socket(AF_INET, SOCK_STREAM, 0); + if (server < 0) err(EX_OSERR, "socket"); + fcntl(server, F_SETFD, FD_CLOEXEC); + + int on = 1; + setsockopt(server, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on)); + + struct sockaddr_in addr = { + .sin_family = AF_INET, + .sin_port = htons(port), + .sin_addr.s_addr = htonl(INADDR_LOOPBACK), + }; + socklen_t addrlen = sizeof(addr); + int error = 0 + || bind(server, (struct sockaddr *)&addr, addrlen) + || getsockname(server, (struct sockaddr *)&addr, &addrlen) + || listen(server, -1); + if (error) err(EX_UNAVAILABLE, "%hd", port); + + char host[NI_MAXHOST], serv[NI_MAXSERV]; + error = getnameinfo( + (struct sockaddr *)&addr, addrlen, + host, sizeof(host), serv, sizeof(serv), + NI_NOFQDN | NI_NUMERICSERV + ); + if (error) errx(EX_UNAVAILABLE, "getnameinfo: %s", gai_strerror(error)); + printf("http://%s:%s/\n", host, serv); + fflush(stdout); + + setenv("SERVER_SOFTWARE", "quick (and dirty)", 1); + setenv("GATEWAY_INTERFACE", "CGI/1.1", 1); + setenv("SERVER_NAME", host, 1); + setenv("SERVER_PORT", serv, 1); + setenv("REMOTE_ADDR", "127.0.0.1", 1); + setenv("REMOTE_HOST", host, 1); + setenv("SCRIPT_NAME", "/", 1); + + for (int sock; 0 <= (sock = accept(server, NULL, NULL)); close(sock)) { + fcntl(sock, F_SETFD, FD_CLOEXEC); + request(sock, &argv[optind]); + } + err(EX_IOERR, "accept"); +} diff --git a/bin/relay.c b/bin/relay.c new file mode 100644 index 00000000..fd799462 --- /dev/null +++ b/bin/relay.c @@ -0,0 +1,218 @@ +/* Copyright (C) 2019 June McEnroe <june@causal.agency> + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + * + * Additional permission under GNU GPL version 3 section 7: + * + * If you modify this Program, or any covered work, by linking or + * combining it with LibreSSL (or a modified version of that library), + * containing parts covered by the terms of the OpenSSL License and the + * original SSLeay license, the licensors of this Program grant you + * additional permission to convey the resulting work. Corresponding + * Source for a non-source form of such a combination shall include the + * source code for the parts of LibreSSL used as well as that of the + * covered work. + */ + +#include <err.h> +#include <netdb.h> +#include <netinet/in.h> +#include <poll.h> +#include <signal.h> +#include <stdarg.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sys/socket.h> +#include <sysexits.h> +#include <tls.h> +#include <unistd.h> + +#ifdef __FreeBSD__ +#include <sys/capsicum.h> +#endif + +static void clientWrite(struct tls *client, const char *ptr, size_t len) { + while (len) { + ssize_t ret = tls_write(client, ptr, len); + if (ret == TLS_WANT_POLLIN || ret == TLS_WANT_POLLOUT) continue; + if (ret < 0) errx(EX_IOERR, "tls_write: %s", tls_error(client)); + ptr += ret; + len -= ret; + } +} + +static void clientFormat(struct tls *client, const char *format, ...) { + char buf[1024]; + va_list ap; + va_start(ap, format); + int len = vsnprintf(buf, sizeof(buf), format, ap); + va_end(ap); + if ((size_t)len > sizeof(buf) - 1) errx(EX_DATAERR, "message too large"); + clientWrite(client, buf, len); +} + +static void clientHandle(struct tls *client, const char *chan, char *line) { + char *prefix = NULL; + if (line[0] == ':') { + prefix = strsep(&line, " ") + 1; + if (!line) errx(EX_PROTOCOL, "unexpected eol"); + } + + char *command = strsep(&line, " "); + if (!strcmp(command, "001") || !strcmp(command, "INVITE")) { + clientFormat(client, "JOIN :%s\r\n", chan); + } else if (!strcmp(command, "PING")) { + clientFormat(client, "PONG %s\r\n", line); + } + if (strcmp(command, "PRIVMSG") && strcmp(command, "NOTICE")) return; + + if (!prefix) errx(EX_PROTOCOL, "message without prefix"); + char *nick = strsep(&prefix, "!"); + + if (!line) errx(EX_PROTOCOL, "message without destination"); + char *dest = strsep(&line, " "); + if (strcmp(dest, chan)) return; + + if (!line || line[0] != ':') errx(EX_PROTOCOL, "message without message"); + line = &line[1]; + + if (!strncmp(line, "\1ACTION ", 8)) { + line = &line[8]; + size_t len = strcspn(line, "\1"); + printf("* %c\u200C%s %.*s\n", nick[0], &nick[1], (int)len, line); + } else if (command[0] == 'N') { + printf("-%c\u200C%s- %s\n", nick[0], &nick[1], line); + } else { + printf("<%c\u200C%s> %s\n", nick[0], &nick[1], line); + } +} + +#ifdef __FreeBSD__ +static void limit(int fd, const cap_rights_t *rights) { + int error = cap_rights_limit(fd, rights); + if (error) err(EX_OSERR, "cap_rights_limit"); +} +#endif + +int main(int argc, char *argv[]) { + int error; + + if (argc < 5) return EX_USAGE; + const char *host = argv[1]; + const char *port = argv[2]; + const char *nick = argv[3]; + const char *chan = argv[4]; + + setlinebuf(stdout); + signal(SIGPIPE, SIG_IGN); + + struct tls_config *config = tls_config_new(); + if (!config) errx(EX_SOFTWARE, "tls_config_new"); + + error = tls_config_set_ciphers(config, "compat"); + if (error) { + errx(EX_SOFTWARE, "tls_config_set_ciphers: %s", tls_config_error(config)); + } + + struct tls *client = tls_client(); + if (!client) errx(EX_SOFTWARE, "tls_client"); + + error = tls_configure(client, config); + if (error) errx(EX_SOFTWARE, "tls_configure: %s", tls_error(client)); + tls_config_free(config); + + struct addrinfo *head; + struct addrinfo hints = { + .ai_family = AF_UNSPEC, + .ai_socktype = SOCK_STREAM, + .ai_protocol = IPPROTO_TCP, + }; + error = getaddrinfo(host, port, &hints, &head); + if (error) errx(EX_NOHOST, "getaddrinfo: %s", gai_strerror(error)); + + int sock = -1; + for (struct addrinfo *ai = head; ai; ai = ai->ai_next) { + sock = socket(ai->ai_family, ai->ai_socktype, ai->ai_protocol); + if (sock < 0) err(EX_OSERR, "socket"); + + error = connect(sock, ai->ai_addr, ai->ai_addrlen); + if (!error) break; + + close(sock); + sock = -1; + } + if (sock < 0) err(EX_UNAVAILABLE, "connect"); + freeaddrinfo(head); + + error = tls_connect_socket(client, sock, host); + if (error) errx(EX_PROTOCOL, "tls_connect: %s", tls_error(client)); + +#ifdef __FreeBSD__ + error = cap_enter(); + if (error) err(EX_OSERR, "cap_enter"); + + cap_rights_t rights; + cap_rights_init(&rights, CAP_WRITE); + limit(STDOUT_FILENO, &rights); + limit(STDERR_FILENO, &rights); + + cap_rights_init(&rights, CAP_EVENT, CAP_READ); + limit(STDIN_FILENO, &rights); + + cap_rights_set(&rights, CAP_WRITE); + limit(sock, &rights); +#endif + + clientFormat(client, "NICK :%s\r\nUSER %s 0 * :%s\r\n", nick, nick, nick); + + char *input = NULL; + size_t cap = 0; + + char buf[4096]; + size_t len = 0; + + struct pollfd fds[2] = { + { .events = POLLIN, .fd = STDIN_FILENO }, + { .events = POLLIN, .fd = sock }, + }; + while (0 < poll(fds, 2, -1)) { + if (fds[0].revents) { + ssize_t len = getline(&input, &cap, stdin); + if (len < 0) err(EX_IOERR, "getline"); + input[len - 1] = '\0'; + clientFormat(client, "NOTICE %s :%s\r\n", chan, input); + } + if (!fds[1].revents) continue; + + ssize_t read = tls_read(client, &buf[len], sizeof(buf) - len); + if (read == TLS_WANT_POLLIN || read == TLS_WANT_POLLOUT) continue; + if (read < 0) errx(EX_IOERR, "tls_read: %s", tls_error(client)); + if (!read) return EX_UNAVAILABLE; + len += read; + + char *crlf; + char *line = buf; + for (;;) { + crlf = memmem(line, &buf[len] - line, "\r\n", 2); + if (!crlf) break; + crlf[0] = '\0'; + clientHandle(client, chan, line); + line = &crlf[2]; + } + len -= line - buf; + memmove(buf, line, len); + } + err(EX_IOERR, "poll"); +} diff --git a/bin/scheme.c b/bin/scheme.c new file mode 100644 index 00000000..2bae8f82 --- /dev/null +++ b/bin/scheme.c @@ -0,0 +1,278 @@ +/* Copyright (C) 2018, 2019 June McEnroe <june@causal.agency> + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <err.h> +#include <math.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sysexits.h> +#include <unistd.h> + +#include "png.h" + +typedef unsigned uint; +typedef unsigned char byte; + +struct HSV { + double h, s, v; +}; + +struct RGB { + byte r, g, b; +}; + +static struct RGB convert(struct HSV o) { + double c = o.v * o.s; + double h = o.h / 60.0; + double x = c * (1.0 - fabs(fmod(h, 2.0) - 1.0)); + double m = o.v - c; + double r = m, g = m, b = m; + if (h <= 1.0) { r += c; g += x; } + else if (h <= 2.0) { r += x; g += c; } + else if (h <= 3.0) { g += c; b += x; } + else if (h <= 4.0) { g += x; b += c; } + else if (h <= 5.0) { r += x; b += c; } + else if (h <= 6.0) { r += c; b += x; } + return (struct RGB) { r * 255.0, g * 255.0, b * 255.0 }; +} + +static const struct HSV +R = { 0.0, 1.0, 1.0 }, +Y = { 60.0, 1.0, 1.0 }, +G = { 120.0, 1.0, 1.0 }, +C = { 180.0, 1.0, 1.0 }, +B = { 240.0, 1.0, 1.0 }, +M = { 300.0, 1.0, 1.0 }; + +static struct HSV x(struct HSV o, double hd, double sf, double vf) { + return (struct HSV) { + fmod(o.h + hd, 360.0), + fmin(o.s * sf, 1.0), + fmin(o.v * vf, 1.0), + }; +} + +enum { + Black, Red, Green, Yellow, Blue, Magenta, Cyan, White, + Dark = 0, + Light = 8, + Background = 16, + Foreground, + Bold, + Selection, + Cursor, + SchemeLen, +}; +static struct HSV scheme[SchemeLen]; +static struct HSV *dark = &scheme[Dark]; +static struct HSV *light = &scheme[Light]; + +static void generate(void) { + light[Black] = x(R, +45.0, 0.3, 0.3); + light[Red] = x(R, +10.0, 0.9, 0.8); + light[Green] = x(G, -55.0, 0.8, 0.6); + light[Yellow] = x(Y, -20.0, 0.8, 0.8); + light[Blue] = x(B, -55.0, 0.4, 0.5); + light[Magenta] = x(M, +45.0, 0.4, 0.6); + light[Cyan] = x(C, -60.0, 0.3, 0.6); + light[White] = x(R, +45.0, 0.3, 0.8); + + dark[Black] = x(light[Black], 0.0, 1.0, 0.3); + dark[White] = x(light[White], 0.0, 1.0, 0.75); + for (uint i = Red; i < White; ++i) { + dark[i] = x(light[i], 0.0, 1.0, 0.8); + } + + scheme[Background] = x(dark[Black], 0.0, 1.0, 0.9); + scheme[Foreground] = x(light[White], 0.0, 1.0, 0.9); + scheme[Bold] = x(light[White], 0.0, 1.0, 1.0); + scheme[Selection] = x(light[Red], +10.0, 1.0, 0.8); + scheme[Cursor] = x(dark[White], 0.0, 1.0, 0.8); +} + +static void swap(struct HSV *a, struct HSV *b) { + struct HSV c = *a; + *a = *b; + *b = c; +} + +static void invert(void) { + swap(&dark[Black], &light[White]); + swap(&dark[White], &light[Black]); +} + +typedef void OutputFn(const struct HSV *hsv, uint len); + +static void outputHSV(const struct HSV *hsv, uint len) { + for (uint i = 0; i < len; ++i) { + printf("%g,%g,%g\n", hsv[i].h, hsv[i].s, hsv[i].v); + } +} + +#define FORMAT_RGB "%02hhX%02hhX%02hhX" + +static void outputRGB(const struct HSV *hsv, uint len) { + for (uint i = 0; i < len; ++i) { + struct RGB rgb = convert(hsv[i]); + printf(FORMAT_RGB "\n", rgb.r, rgb.g, rgb.b); + } +} + +static void outputLinux(const struct HSV *hsv, uint len) { + for (uint i = 0; i < len; ++i) { + struct RGB rgb = convert(hsv[i]); + printf("\x1B]P%X" FORMAT_RGB, i, rgb.r, rgb.g, rgb.b); + } +} + +static const char *Enum[SchemeLen] = { + "DarkBlack", "DarkRed", "DarkGreen", "DarkYellow", + "DarkBlue", "DarkMagenta", "DarkCyan", "DarkWhite", + "LightBlack", "LightRed", "LightGreen", "LightYellow", + "LightBlue", "LightMagenta", "LightCyan", "LightWhite", + "Background", "Foreground", "Bold", "Selection", "Cursor", +}; + +static void outputEnum(const struct HSV *hsv, uint len) { + printf("enum {\n"); + for (uint i = 0; i < len; ++i) { + struct RGB rgb = convert(hsv[i]); + printf("\t%s = 0x" FORMAT_RGB ",\n", Enum[i], rgb.r, rgb.g, rgb.b); + } + printf("};\n"); +} + +#define FORMAT_X "rgb:%02hhX/%02hhX/%02hhX" + +static const char *Resources[SchemeLen] = { + [Background] = "background", + [Foreground] = "foreground", + [Bold] = "colorBD", + [Selection] = "highlightColor", + [Cursor] = "cursorColor", +}; + +static void outputXTerm(const struct HSV *hsv, uint len) { + for (uint i = 0; i < len; ++i) { + struct RGB rgb = convert(hsv[i]); + if (Resources[i]) { + printf("XTerm*%s: " FORMAT_X "\n", Resources[i], rgb.r, rgb.g, rgb.b); + } else { + printf("XTerm*color%u: " FORMAT_X "\n", i, rgb.r, rgb.g, rgb.b); + } + } +} + +static const char *Mintty[SchemeLen] = { + "Black", "Red", "Green", "Yellow", + "Blue", "Magenta", "Cyan", "White", + "BoldBlack", "BoldRed", "BoldGreen", "BoldYellow", + "BoldBlue", "BoldMagenta", "BoldCyan", "BoldWhite", + [Background] = "BackgroundColour", + [Foreground] = "ForegroundColour", + [Cursor] = "CursorColour", +}; + +static void outputMintty(const struct HSV *hsv, uint len) { + for (uint i = 0; i < len; ++i) { + if (!Mintty[i]) continue; + struct RGB rgb = convert(hsv[i]); + printf("%s=%hhu,%hhu,%hhu\n", Mintty[i], rgb.r, rgb.g, rgb.b); + } +} + +static void outputCSS(const struct HSV *hsv, uint len) { + printf(":root {\n"); + for (uint i = 0; i < len; ++i) { + struct RGB rgb = convert(hsv[i]); + printf("\t--ansi%u: #" FORMAT_RGB ";\n", i, rgb.r, rgb.g, rgb.b); + } + printf("}\n"); + for (uint i = 0; i < len; ++i) { + printf( + ".fg%u { color: var(--ansi%u); }\n" + ".bg%u { background-color: var(--ansi%u); }\n", + i, i, i, i + ); + } +} + +enum { + SwatchWidth = 64, + SwatchHeight = 64, + SwatchCols = 8, +}; + +static void outputPNG(const struct HSV *hsv, uint len) { + uint rows = (len + SwatchCols - 1) / SwatchCols; + uint width = SwatchWidth * SwatchCols; + uint height = SwatchHeight * rows; + pngHead(stdout, width, height, 8, PNGIndexed); + + struct RGB pal[len]; + for (uint i = 0; i < len; ++i) { + pal[i] = convert(hsv[i]); + } + pngPalette(stdout, (byte *)pal, sizeof(pal)); + + byte data[height][1 + width]; + memset(data, 0, sizeof(data)); + for (uint y = 0; y < height; ++y) { + data[y][0] = (y % SwatchHeight ? PNGUp : PNGSub); + } + for (uint i = 0; i < len; ++i) { + uint y = SwatchHeight * (i / SwatchCols); + uint x = SwatchWidth * (i % SwatchCols); + data[y][1 + x] = (x ? 1 : i); + } + pngData(stdout, (byte *)data, sizeof(data)); + pngTail(stdout); +} + +int main(int argc, char *argv[]) { + generate(); + + OutputFn *output = outputRGB; + const struct HSV *hsv = scheme; + uint len = 16; + + int opt; + while (0 < (opt = getopt(argc, argv, "Xacghilmp:stx"))) { + switch (opt) { + break; case 'X': output = outputXTerm; + break; case 'a': len = 16; + break; case 'c': output = outputEnum; + break; case 'g': output = outputPNG; + break; case 'h': output = outputHSV; + break; case 'i': invert(); + break; case 'l': output = outputLinux; + break; case 'm': output = outputMintty; + break; case 'p': { + uint p = strtoul(optarg, NULL, 0); + if (p >= SchemeLen) return EX_USAGE; + hsv = &scheme[p]; + len = 1; + } + break; case 's': output = outputCSS; + break; case 't': len = SchemeLen; + break; case 'x': output = outputRGB; + break; default: return EX_USAGE; + } + } + + output(hsv, len); +} diff --git a/bin/sh.l b/bin/sh.l new file mode 100644 index 00000000..8f0f7723 --- /dev/null +++ b/bin/sh.l @@ -0,0 +1,181 @@ +/* Copyright (C) 2021 June McEnroe <june@causal.agency> + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +%option prefix="sh" +%option noinput nounput noyywrap + +%{ +#include <assert.h> +#include <stdbool.h> +#include <string.h> +#include "hilex.h" + +enum { Cap = 64 }; +static int len = 1; +static int stack[Cap]; +static int push(int val) { + if (len < Cap) stack[len++] = val; + return val; +} +static int pop(void) { + if (len > 1) len--; + return stack[len-1]; +} +%} + +%s Param Command Arith Backtick Subshell +%x DQuote HereDocDel HereDoc HereDocLit + +word [[:alnum:]_.-]+ +param [^:=?+%#{}-]+ +reserved [!{}]|else|do|elif|for|done|fi|then|until|while|if|case|esac + +%% + static bool first; + static char *delimiter; + +[[:blank:]]+ { return Normal; } + +"\\". { return Escape; } + +<INITIAL,DQuote,HereDoc,Param,Command,Arith,Subshell>{ + "$"[*@#?$!0-9-] | + "$"[_[:alpha:][_[:alnum:]]* | + "${"[#]?{param}"}" { + return Subst; + } + "${"{param} { + BEGIN(push(Param)); + return Subst; + } + "$(" { + BEGIN(push(Command)); + return Subst; + } + "$((" { + BEGIN(push(Arith)); + return Subst; + } + "`" { + BEGIN(push(Backtick)); + return Subst; + } + "(" { + BEGIN(push(Subshell)); + return Normal; + } +} +<Param>"}" | +<Command>")" | +<Arith>"))" | +<Backtick>"`" { + BEGIN(pop()); + return Subst; +} +<Subshell>")" { + BEGIN(pop()); + return Normal; +} + +"\n" { + first = true; + return Normal; +} +[&();|]|"&&"|";;"|"||" { + first = true; + return Operator; +} +[0-9]?([<>]"&"?|">|"|">>"|"<>") { + return Operator; +} + +{reserved} { + if (first) { + first = false; + return Keyword; + } + return Normal; +} + +{word}/[[:blank:]]*"()" { return Ident; } + +[0-9]?("<<"|"<<-") { + BEGIN(push(HereDocDel)); + return Operator; +} +<HereDocDel>{ + [[:blank:]]+ { return Normal; } + {word} { + delimiter = strdup(yytext); + assert(delimiter); + BEGIN(pop(), push(HereDoc)); + return Ident; + } + "'"{word}"'" { + delimiter = strndup(&yytext[1], strlen(yytext)-2); + assert(delimiter); + BEGIN(pop(), push(HereDocLit)); + return Ident; + } +} +<HereDoc,HereDocLit>{ + ^"\t"*{word} { + if (strcmp(&yytext[strspn(yytext, "\t")], delimiter)) REJECT; + free(delimiter); + BEGIN(pop()); + return Ident; + } +} +<HereDoc>{ + [^$`\n]+ { return String; } + .|\n { return String; } +} +<HereDocLit>{ + .*\n { return String; } +} + +"'"[^'']*"'" { return String; } + +"\""/[^$`\\] { + BEGIN(push(DQuote)); + yymore(); +} +"\"" { + BEGIN(push(DQuote)); + return String; +} + +<DQuote>{ + [^\\$`""]*"\"" { + BEGIN(pop()); + return String; + } + "\\"[$`""\\\n] { return Escape; } + [^\\$`""]+|. { return String; } +} + +<INITIAL,Command,Backtick,Arith>"#".* { return Comment; } + +{word} { + first = false; + return Normal; +} + +.|\n { return Normal; } + +%% + +const struct Lexer LexSh = { yylex, &yyin, &yytext }; diff --git a/bin/shotty.l b/bin/shotty.l new file mode 100644 index 00000000..dcac43ec --- /dev/null +++ b/bin/shotty.l @@ -0,0 +1,597 @@ +/* Copyright (C) 2019, 2021 June McEnroe <june@causal.agency> + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +%option noinput nounput noyywrap + +%{ + +#include <assert.h> +#include <err.h> +#include <locale.h> +#include <stdbool.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sys/ioctl.h> +#include <sysexits.h> +#include <unistd.h> +#include <wchar.h> + +#define Q(...) #__VA_ARGS__ +#define BIT(x) x##Bit, x = 1 << x##Bit, x##Bit_ = x##Bit + +#define ENUM_CODE \ + X(BS) \ + X(CHA) \ + X(CNL) \ + X(CPL) \ + X(CR) \ + X(CUB) \ + X(CUD) \ + X(CUF) \ + X(CUP) \ + X(CUU) \ + X(DCH) \ + X(DECRC) \ + X(DECRST) \ + X(DECSC) \ + X(DECSET) \ + X(DECSTBM) \ + X(DL) \ + X(ECH) \ + X(ED) \ + X(EL) \ + X(HT) \ + X(ICH) \ + X(IL) \ + X(MC) \ + X(NL) \ + X(RI) \ + X(RM) \ + X(SD) \ + X(SGR) \ + X(SM) \ + X(SU) \ + X(VPA) + +enum Code { + Data = 1, +#define X(code) code, + ENUM_CODE +#undef X +}; + +static enum { + USASCII, + DECSpecial, +} g0; + +static const wchar_t AltCharset[128] = { + ['`'] = L'\u25C6', ['a'] = L'\u2592', ['f'] = L'\u00B0', ['g'] = L'\u00B1', + ['i'] = L'\u240B', ['j'] = L'\u2518', ['k'] = L'\u2510', ['l'] = L'\u250C', + ['m'] = L'\u2514', ['n'] = L'\u253C', ['o'] = L'\u23BA', ['p'] = L'\u23BB', + ['q'] = L'\u2500', ['r'] = L'\u23BC', ['s'] = L'\u23BD', ['t'] = L'\u251C', + ['u'] = L'\u2524', ['v'] = L'\u2534', ['w'] = L'\u252C', ['x'] = L'\u2502', + ['y'] = L'\u2264', ['z'] = L'\u2265', ['{'] = L'\u03C0', ['|'] = L'\u2260', + ['}'] = L'\u00A3', ['~'] = L'\u00B7', +}; + +static int pn; +static int ps[16]; +static wchar_t ch; + +%} + +ESC \x1B + +%x CSI CSI_LT CSI_EQ CSI_GT CSI_QM +%x OSC + +%% + pn = 0; + +{ESC}"[" BEGIN(CSI); +{ESC}"[<" BEGIN(CSI_LT); +{ESC}"[=" BEGIN(CSI_EQ); +{ESC}"[>" BEGIN(CSI_GT); +{ESC}"[?" BEGIN(CSI_QM); +{ESC}"]" BEGIN(OSC); + +<CSI,CSI_LT,CSI_EQ,CSI_GT,CSI_QM>{ + [0-9]+;? if (pn < 16) ps[pn++] = atoi(yytext); + ; if (pn < 16) ps[pn++] = 0; +} + +<OSC>{ + \x07 BEGIN(0); + {ESC}\\ BEGIN(0); + .|\n ; +} + +\b return BS; +\t return HT; +\n return NL; +\r return CR; + +{ESC}7 return DECSC; +{ESC}8 return DECRC; +{ESC}= // DECKPAM +{ESC}> // DECKPNM +{ESC}M return RI; + +{ESC}"(0" g0 = DECSpecial; +{ESC}"(B" g0 = USASCII; + +<CSI>@ BEGIN(0); return ICH; +<CSI>A BEGIN(0); return CUU; +<CSI>B BEGIN(0); return CUD; +<CSI>C BEGIN(0); return CUF; +<CSI>D BEGIN(0); return CUB; +<CSI>E BEGIN(0); return CNL; +<CSI>F BEGIN(0); return CPL; +<CSI>G BEGIN(0); return CHA; +<CSI>H BEGIN(0); return CUP; +<CSI>J BEGIN(0); return ED; +<CSI>K BEGIN(0); return EL; +<CSI>L BEGIN(0); return IL; +<CSI>M BEGIN(0); return DL; +<CSI>P BEGIN(0); return DCH; +<CSI>S BEGIN(0); return SU; +<CSI>T BEGIN(0); return SD; +<CSI>X BEGIN(0); return ECH; +<CSI>d BEGIN(0); return VPA; +<CSI>h BEGIN(0); return SM; +<CSI>i BEGIN(0); return MC; +<CSI>l BEGIN(0); return RM; +<CSI>m BEGIN(0); return SGR; +<CSI>r BEGIN(0); return DECSTBM; +<CSI>t BEGIN(0); // XTWINOPS + +<CSI_QM>h BEGIN(0); return DECSET; +<CSI_QM>l BEGIN(0); return DECRST; + +<CSI>[ -/]*. BEGIN(0); warnx("unhandled CSI %s", yytext); +<CSI_LT>[ -/]*. BEGIN(0); warnx("unhandled CSI < %s", yytext); +<CSI_EQ>[ -/]*. BEGIN(0); warnx("unhandled CSI = %s", yytext); +<CSI_GT>[ -/]*. BEGIN(0); warnx("unhandled CSI > %s", yytext); +<CSI_QM>[ -/]*. BEGIN(0); warnx("unhandled CSI ? %s", yytext); + +[\x00-\x7F] { + ch = yytext[0]; + if (g0 == DECSpecial && AltCharset[ch]) { + ch = AltCharset[ch]; + } + return Data; +} +[\xC0-\xDF][\x80-\xBF] { + ch = (wchar_t)(yytext[0] & 0x1F) << 6 + | (wchar_t)(yytext[1] & 0x3F); + return Data; +} +[\xE0-\xEF]([\x80-\xBF]{2}) { + ch = (wchar_t)(yytext[0] & 0x0F) << 12 + | (wchar_t)(yytext[1] & 0x3F) << 6 + | (wchar_t)(yytext[2] & 0x3F); + return Data; +} +[\xF0-\xF7]([\x80-\xBF]{3}) { + ch = (wchar_t)(yytext[0] & 0x07) << 18 + | (wchar_t)(yytext[1] & 0x3F) << 12 + | (wchar_t)(yytext[2] & 0x3F) << 6 + | (wchar_t)(yytext[3] & 0x3F); + return Data; +} + +. ch = yytext[0]; return Data; + +%% + +static int rows = 24; +static int cols = 80; + +static struct Cell { + enum { + BIT(Bold), + BIT(Italic), + BIT(Underline), + BIT(Reverse), + } attr; + int bg, fg; + wchar_t ch; +} *cells; + +static int y, x; +static struct { + int y, x; +} sc; +static struct { + int top, bot; +} scr; + +static enum Mode { + BIT(Insert), + BIT(Wrap), + BIT(Cursor), +} mode = Wrap | Cursor; + +static struct Cell sgr = { + .bg = -1, + .fg = -1, + .ch = L' ', +}; + +static struct Cell *cell(int y, int x) { + assert(y <= rows); + assert(x <= cols); + assert(y * cols + x <= rows * cols); + return &cells[y * cols + x]; +} + +static int p(int i, int d) { + return (i < pn ? ps[i] : d); +} + +static int bound(int a, int x, int b) { + if (x < a) return a; + if (x > b) return b; + return x; +} + +static void move(struct Cell *dst, struct Cell *src, size_t len) { + memmove(dst, src, sizeof(*dst) * len); +} +static void erase(struct Cell *at, struct Cell *to) { + for (; at < to; ++at) { + *at = sgr; + } +} + +static void scrup(int top, int n) { + n = bound(0, n, scr.bot - top); + move(cell(top, 0), cell(top+n, 0), cols * (scr.bot-top-n)); + erase(cell(scr.bot-n, 0), cell(scr.bot, 0)); +} +static void scrdn(int top, int n) { + n = bound(0, n, scr.bot - top); + move(cell(top+n, 0), cell(top, 0), cols * (scr.bot-top-n)); + erase(cell(top, 0), cell(top+n, 0)); +} + +static enum Mode pmode(void) { + enum Mode mode = 0; + for (int i = 0; i < pn; ++i) { + switch (ps[i]) { + break; case 4: mode |= Insert; + break; default: warnx("unhandled SM/RM %d", ps[i]); + } + } + return mode; +} +static enum Mode pdmode(void) { + enum Mode mode = 0; + for (int i = 0; i < pn; ++i) { + switch (ps[i]) { + break; case 1: // DECCKM + break; case 7: mode |= Wrap; + break; case 12: // "Start Blinking Cursor" + break; case 25: mode |= Cursor; + break; default: { + if (ps[i] < 1000) warnx("unhandled DECSET/DECRST %d", ps[i]); + } + } + } + return mode; +} + +static void update(enum Code cc) { + switch (cc) { + break; case BS: x--; + break; case HT: x = x - x % 8 + 8; + break; case CR: x = 0; + break; case CUU: y -= p(0, 1); + break; case CUD: y += p(0, 1); + break; case CUF: x += p(0, 1); + break; case CUB: x -= p(0, 1); + break; case CNL: x = 0; y += p(0, 1); + break; case CPL: x = 0; y -= p(0, 1); + break; case CHA: x = p(0, 1) - 1; + break; case VPA: y = p(0, 1) - 1; + break; case CUP: y = p(0, 1) - 1; x = p(1, 1) - 1; + break; case DECSC: sc.y = y; sc.x = x; + break; case DECRC: y = sc.y; x = sc.x; + + break; case ED: erase( + (p(0, 0) == 0 ? cell(y, x) : cell(0, 0)), + (p(0, 0) == 1 ? cell(y, x) : cell(rows-1, cols)) + ); + break; case EL: erase( + (p(0, 0) == 0 ? cell(y, x) : cell(y, 0)), + (p(0, 0) == 1 ? cell(y, x) : cell(y, cols)) + ); + break; case ECH: erase( + cell(y, x), cell(y, bound(0, x + p(0, 1), cols)) + ); + + break; case DCH: { + int n = bound(0, p(0, 1), cols-x); + move(cell(y, x), cell(y, x+n), cols-x-n); + erase(cell(y, cols-n), cell(y, cols)); + } + break; case ICH: { + int n = bound(0, p(0, 1), cols-x); + move(cell(y, x+n), cell(y, x), cols-x-n); + erase(cell(y, x), cell(y, x+n)); + } + + break; case DECSTBM: { + scr.bot = bound(0, p(1, rows), rows); + scr.top = bound(0, p(0, 1) - 1, scr.bot); + } + break; case SU: scrup(scr.top, p(0, 1)); + break; case SD: scrdn(scr.top, p(0, 1)); + break; case DL: scrup(bound(0, y, scr.bot), p(0, 1)); + break; case IL: scrdn(bound(0, y, scr.bot), p(0, 1)); + + break; case NL: { + if (y+1 == scr.bot) { + scrup(scr.top, 1); + } else { + y++; + } + } + break; case RI: { + if (y == scr.top) { + scrdn(scr.top, 1); + } else { + y--; + } + } + + break; case SM: mode |= pmode(); + break; case RM: mode &= ~pmode(); + break; case DECSET: mode |= pdmode(); + break; case DECRST: mode &= ~pdmode(); + + break; case SGR: { + if (!pn) ps[pn++] = 0; + for (int i = 0; i < pn; ++i) { + switch (ps[i]) { + break; case 0: sgr.attr = 0; sgr.bg = -1; sgr.fg = -1; + break; case 1: sgr.attr |= Bold; + break; case 3: sgr.attr |= Italic; + break; case 4: sgr.attr |= Underline; + break; case 7: sgr.attr |= Reverse; + break; case 22: sgr.attr &= ~Bold; + break; case 23: sgr.attr &= ~Italic; + break; case 24: sgr.attr &= ~Underline; + break; case 27: sgr.attr &= ~Reverse; + break; case 30 ... 37: sgr.fg = ps[i] - 30; + break; case 38: { + if (++i < pn && ps[i] == 5) { + if (++i < pn) sgr.fg = ps[i]; + } + } + break; case 39: sgr.fg = -1; + break; case 40 ... 47: sgr.bg = ps[i] - 40; + break; case 48: { + if (++i < pn && ps[i] == 5) { + if (++i < pn) sgr.bg = ps[i]; + } + } + break; case 49: sgr.bg = -1; + break; case 90 ... 97: sgr.fg = 8 + ps[i] - 90; + break; case 100 ... 107: sgr.bg = 8 + ps[i] - 100; + break; default: warnx("unhandled SGR %d", ps[i]); + } + } + } + + break; case Data: { + int w = wcwidth(ch); + if (w < 0) { + warnx("unhandled \\u%04X", ch); + return; + } + if (mode & Insert) { + int n = bound(0, w, cols-x); + move(cell(y, x+n), cell(y, x), cols-x-n); + } + if (mode & Wrap && x+w > cols) { + update(CR); + update(NL); + } + *cell(y, x) = sgr; + cell(y, x)->ch = ch; + for (int i = 1; i < w && x+i < cols; ++i) { + *cell(y, x+i) = sgr; + cell(y, x+i)->ch = L'\0'; + } + x = bound(0, x+w, (mode & Wrap ? cols : cols-1)); + return; + } + break; case MC:; + } + + x = bound(0, x, cols-1); + y = bound(0, y, rows-1); +} + +static bool bright; +static bool colors; +static int defaultBg = 0; +static int defaultFg = 7; + +static const unsigned Palette[256] = { + 0x000000, 0xCD0000, 0x00CD00, 0xCDCD00, 0x0000EE, 0xCD00CD, 0x00CDCD, + 0xE5E5E5, 0x7F7F7F, 0xFF0000, 0x00FF00, 0xFFFF00, 0x5C5CFF, 0xFF00FF, + 0x00FFFF, 0xFFFFFF, 0x000000, 0x00005F, 0x000087, 0x0000AF, 0x0000D7, + 0x0000FF, 0x005F00, 0x005F5F, 0x005F87, 0x005FAF, 0x005FD7, 0x005FFF, + 0x008700, 0x00875F, 0x008787, 0x0087AF, 0x0087D7, 0x0087FF, 0x00AF00, + 0x00AF5F, 0x00AF87, 0x00AFAF, 0x00AFD7, 0x00AFFF, 0x00D700, 0x00D75F, + 0x00D787, 0x00D7AF, 0x00D7D7, 0x00D7FF, 0x00FF00, 0x00FF5F, 0x00FF87, + 0x00FFAF, 0x00FFD7, 0x00FFFF, 0x5F0000, 0x5F005F, 0x5F0087, 0x5F00AF, + 0x5F00D7, 0x5F00FF, 0x5F5F00, 0x5F5F5F, 0x5F5F87, 0x5F5FAF, 0x5F5FD7, + 0x5F5FFF, 0x5F8700, 0x5F875F, 0x5F8787, 0x5F87AF, 0x5F87D7, 0x5F87FF, + 0x5FAF00, 0x5FAF5F, 0x5FAF87, 0x5FAFAF, 0x5FAFD7, 0x5FAFFF, 0x5FD700, + 0x5FD75F, 0x5FD787, 0x5FD7AF, 0x5FD7D7, 0x5FD7FF, 0x5FFF00, 0x5FFF5F, + 0x5FFF87, 0x5FFFAF, 0x5FFFD7, 0x5FFFFF, 0x870000, 0x87005F, 0x870087, + 0x8700AF, 0x8700D7, 0x8700FF, 0x875F00, 0x875F5F, 0x875F87, 0x875FAF, + 0x875FD7, 0x875FFF, 0x878700, 0x87875F, 0x878787, 0x8787AF, 0x8787D7, + 0x8787FF, 0x87AF00, 0x87AF5F, 0x87AF87, 0x87AFAF, 0x87AFD7, 0x87AFFF, + 0x87D700, 0x87D75F, 0x87D787, 0x87D7AF, 0x87D7D7, 0x87D7FF, 0x87FF00, + 0x87FF5F, 0x87FF87, 0x87FFAF, 0x87FFD7, 0x87FFFF, 0xAF0000, 0xAF005F, + 0xAF0087, 0xAF00AF, 0xAF00D7, 0xAF00FF, 0xAF5F00, 0xAF5F5F, 0xAF5F87, + 0xAF5FAF, 0xAF5FD7, 0xAF5FFF, 0xAF8700, 0xAF875F, 0xAF8787, 0xAF87AF, + 0xAF87D7, 0xAF87FF, 0xAFAF00, 0xAFAF5F, 0xAFAF87, 0xAFAFAF, 0xAFAFD7, + 0xAFAFFF, 0xAFD700, 0xAFD75F, 0xAFD787, 0xAFD7AF, 0xAFD7D7, 0xAFD7FF, + 0xAFFF00, 0xAFFF5F, 0xAFFF87, 0xAFFFAF, 0xAFFFD7, 0xAFFFFF, 0xD70000, + 0xD7005F, 0xD70087, 0xD700AF, 0xD700D7, 0xD700FF, 0xD75F00, 0xD75F5F, + 0xD75F87, 0xD75FAF, 0xD75FD7, 0xD75FFF, 0xD78700, 0xD7875F, 0xD78787, + 0xD787AF, 0xD787D7, 0xD787FF, 0xD7AF00, 0xD7AF5F, 0xD7AF87, 0xD7AFAF, + 0xD7AFD7, 0xD7AFFF, 0xD7D700, 0xD7D75F, 0xD7D787, 0xD7D7AF, 0xD7D7D7, + 0xD7D7FF, 0xD7FF00, 0xD7FF5F, 0xD7FF87, 0xD7FFAF, 0xD7FFD7, 0xD7FFFF, + 0xFF0000, 0xFF005F, 0xFF0087, 0xFF00AF, 0xFF00D7, 0xFF00FF, 0xFF5F00, + 0xFF5F5F, 0xFF5F87, 0xFF5FAF, 0xFF5FD7, 0xFF5FFF, 0xFF8700, 0xFF875F, + 0xFF8787, 0xFF87AF, 0xFF87D7, 0xFF87FF, 0xFFAF00, 0xFFAF5F, 0xFFAF87, + 0xFFAFAF, 0xFFAFD7, 0xFFAFFF, 0xFFD700, 0xFFD75F, 0xFFD787, 0xFFD7AF, + 0xFFD7D7, 0xFFD7FF, 0xFFFF00, 0xFFFF5F, 0xFFFF87, 0xFFFFAF, 0xFFFFD7, + 0xFFFFFF, 0x080808, 0x121212, 0x1C1C1C, 0x262626, 0x303030, 0x3A3A3A, + 0x444444, 0x4E4E4E, 0x585858, 0x626262, 0x6C6C6C, 0x767676, 0x808080, + 0x8A8A8A, 0x949494, 0x9E9E9E, 0xA8A8A8, 0xB2B2B2, 0xBCBCBC, 0xC6C6C6, + 0xD0D0D0, 0xDADADA, 0xE4E4E4, 0xEEEEEE, +}; + +static void span(const struct Cell *prev, const struct Cell *cell) { + if ( + !prev || + cell->attr != prev->attr || + cell->bg != prev->bg || + cell->fg != prev->fg + ) { + if (prev) printf("</span>"); + int attr = cell->attr; + int bg = (attr & Reverse ? cell->fg : cell->bg); + int fg = (attr & Reverse ? cell->bg : cell->fg); + if (bg < 0) bg = (attr & Reverse ? defaultFg : defaultBg); + if (fg < 0) fg = (attr & Reverse ? defaultBg : defaultFg); + if (bright && cell->attr & Bold) { + if (fg < 8) fg += 8; + attr &= ~Bold; + } + printf(Q(<span class="bg%d fg%d"), bg, fg); + if (attr || colors) printf(" style=\""); + if (attr & Bold) printf("font-weight:bold;"); + if (attr & Italic) printf("font-style:italic;"); + if (attr & Underline) printf("text-decoration:underline;"); + if (colors && bg < 256 && fg < 256) { + printf( + "background-color:#%06X;color:#%06X;", + Palette[bg], Palette[fg] + ); + } + printf("%s>", (attr || colors ? "\"" : "")); + } + switch (cell->ch) { + break; case L'&': printf("&"); + break; case L'<': printf("<"); + break; case L'>': printf(">"); + break; case L'"': printf("""); + break; default: printf("%lc", (wint_t)cell->ch); + } +} + +static void html(void) { + if (mode & Cursor) cell(y, x)->attr ^= Reverse; + printf( + Q(<pre style="width: %dch;" class="bg%d fg%d">), + cols, defaultBg, defaultFg + ); + for (int y = 0; y < rows; ++y) { + for (int x = 0; x < cols; ++x) { + if (!cell(y, x)->ch) continue; + span((x ? cell(y, x-1) : NULL), cell(y, x)); + } + printf("</span>\n"); + } + printf("</pre>\n"); + if (mode & Cursor) cell(y, x)->attr ^= Reverse; +} + +static const char *Debug[] = { +#define X(code) [code] = #code, + ENUM_CODE +#undef X +}; + +int main(int argc, char *argv[]) { + setlocale(LC_CTYPE, ""); + + bool debug = false; + bool size = false; + bool hide = false; + + for (int opt; 0 < (opt = getopt(argc, argv, "Bb:df:h:insw:"));) { + switch (opt) { + break; case 'B': bright = true; + break; case 'b': defaultBg = atoi(optarg); + break; case 'd': debug = true; + break; case 'f': defaultFg = atoi(optarg); + break; case 'h': rows = atoi(optarg); + break; case 'i': colors = true; + break; case 'n': hide = true; + break; case 's': size = true; + break; case 'w': cols = atoi(optarg); + break; default: return EX_USAGE; + } + } + if (optind < argc) { + yyin = fopen(argv[optind], "r"); + if (!yyin) err(EX_NOINPUT, "%s", argv[optind]); + } + + if (size) { + struct winsize win; + int error = ioctl(STDERR_FILENO, TIOCGWINSZ, &win); + if (error) err(EX_IOERR, "ioctl"); + cols = win.ws_col; + rows = win.ws_row; + } + scr.bot = rows; + + cells = calloc(cols * rows, sizeof(*cells)); + if (!cells) err(EX_OSERR, "calloc"); + erase(cell(0, 0), cell(rows-1, cols)); + + bool mc = false; + for (int cc; (cc = yylex());) { + if (cc == MC) { + mc = true; + html(); + } else { + update(cc); + } + if (debug && cc != Data) { + printf("%s", Debug[cc]); + for (int i = 0; i < pn; ++i) { + printf("%s%d", (i ? ", " : " "), ps[i]); + } + printf("\n"); + html(); + } + } + if (hide) mode &= ~Cursor; + if (!mc) html(); +} diff --git a/bin/sup.sh b/bin/sup.sh new file mode 100644 index 00000000..32e282d1 --- /dev/null +++ b/bin/sup.sh @@ -0,0 +1,283 @@ +#!/bin/sh +set -eu + +service=$1 +email=${2:-$(git config fetchemail.imapUser)} + +generate() { + openssl rand -base64 33 +} +copy() { + printf '%s' "$1" | pbcopy +} +unwrap() { + sed ' + :x + /=$/ { + N + s/=\n//g + bx + } + ' +} + +asciinema() { + echo 'Fetching CSRF token...' + jar=$(mktemp -t sup) + trap 'rm "${jar}"' EXIT + csrf=$( + curl -Ss -c "${jar}" 'https://asciinema.org/login/new' | + sed -n 's/.*name="_csrf_token".*value="\([^"]*\)".*/\1/p' + ) + echo 'Submitting form...' + curl -Ss -X POST -b "${jar}" \ + -F "_csrf_token=${csrf}" -F "login[email]=${email}" \ + 'https://asciinema.org/login' \ + >/dev/null + echo 'Waiting for email...' + url=$( + git fetch-email -i -M Trash \ + -F 'hello@asciinema.org' -T "${email}" \ + -S 'Login to asciinema.org' | + grep -m 1 '^https://asciinema\.org/session/new' + ) + open "${url}" +} + +bugzilla() { + echo 'Fetching CSRF token...' + csrf=$( + curl -Ss "${bugzillaBase}/" | + sed -n ' + /name="token"/N + s/.*name="token"[[:space:]]*value="\([^"]*\)".*/\1/p + ' | head -n 1 + ) + echo 'Submitting form...' + curl -Ss -X POST \ + -F "loginname=${email}" -F "token=${csrf}" -F 'a=reqpw' \ + "${bugzillaBase}/token.cgi" \ + >/dev/null + echo 'Waiting for email...' + token=$( + git fetch-email -i -M Trash \ + -F "${bugzillaFrom}" -T "${email}" \ + -S 'Bugzilla Change Password Request' | + sed -n 's/.*t=3D\([^&]*\).*/\1/p' | + head -n 1 + ) + password=$(generate) + echo 'Setting password...' + curl -Ss -X POST \ + -F "t=${token}" -F 'a=chgpw' \ + -F "password=${password}" -F "matchpassword=${password}" \ + "${bugzillaBase}/token.cgi" \ + >/dev/null + copy "${password}" + open "${bugzillaBase}/" +} + +freebsdbugzilla() { + bugzillaBase='https://bugs.freebsd.org/bugzilla' + bugzillaFrom='bugzilla-noreply@freebsd.org' + bugzilla +} + +discogs() { + echo 'Submitting form...' + curl -Ss -X POST \ + -F "email=${email}" -F 'Action.EmailResetInstructions=submit' \ + 'https://www.discogs.com/users/forgot_password' \ + >/dev/null + echo 'Waiting for email...' + url=$( + git fetch-email -i -M Trash \ + -F 'noreply@discogs.com' -T "${email}" \ + -S 'Discogs Account Password Reset Instructions' | + sed -n 's/^To proceed, follow the instructions here: \(.*\)/\1/p' + ) + echo 'Fetching token...' + token=$(curl -ISs --url "${url}" | sed -n 's/.*[?]token=\([^&]*\).*/\1/p') + password=$(generate) + echo 'Setting password...' + curl -Ss -X POST \ + -F "token=${token}" \ + -F "password0=${password}" -F "password1=${password}" \ + -F 'Action.ChangePassword=submit' \ + 'https://www.discogs.com/users/forgot_password' \ + >/dev/null + copy "${password}" + open 'https://discogs.com/login' +} + +gitea() { + echo 'Fetching CSRF token...' + csrf=$( + curl -Ss "${giteaBase}/user/forgot_password" | + sed -n 's/.*name="_csrf" value="\([^"]*\)".*/\1/p' + ) + echo 'Submitting form...' + curl -Ss -X POST \ + -F "email=${email}" -F "_csrf=${csrf}" \ + "${giteaBase}/user/forgot_password" \ + >/dev/null + echo 'Waiting for email...' + code=$( + git fetch-email -i -M Trash \ + -F "${giteaFrom}" -T "${email}" -S 'Recover your account' | + unwrap | sed -n 's/.*code=3D\(.*\)/\1/p' | head -n 1 + ) + echo 'Fetching CSRF token...' + csrf=$( + curl -Ss "${giteaBase}/user/recover_account" | + sed -n 's/.*name="_csrf" value="\([^"]*\)".*/\1/p' + ) + password=$(generate) + echo 'Setting password...' + curl -Ss -X POST \ + -F "_csrf=${csrf}" -F "code=${code}" \ + -F "password=${password}" \ + "${giteaBase}/user/recover_account" \ + >/dev/null + copy "${password}" + open "${giteaBase}/user/login" +} + +liberapay() { + echo 'Fetching CSRF token...' + csrf=$( + curl -Ss 'https://liberapay.com/sign-in' | + sed -n 's/.*name="csrf_token".*value="\([^"]*\)".*/\1/p' + ) + echo 'Submitting form...' + curl -Ss -X POST \ + -b "csrf_token=${csrf}" -F "csrf_token=${csrf}" \ + -F "log-in.id=${email}" \ + 'https://liberapay.com/sign-in' \ + >/dev/null + echo 'Waiting for email...' + url=$( + git fetch-email -i -M Trash \ + -F 'support@liberapay.com' -T "${email}" \ + -S 'Log in to Liberapay' | + grep -m 1 '^https://liberapay\.com/' + ) + open "${url}" +} + +lobsters() { + : ${lobstersBase:=https://lobste.rs} + : ${lobstersFrom:=nobody@lobste.rs} + echo 'Fetching CSRF token...' + csrf=$( + curl -Ss "${lobstersBase}/login/forgot_password" | + sed -n 's/.*name="authenticity_token" value="\([^"]*\)".*/\1/p' + ) + echo 'Submitting form...' + curl -Ss -X POST \ + -F "authenticity_token=${csrf}" \ + -F "email=${email}" -F 'commit=submit' \ + "${lobstersBase}/login/reset_password" \ + >/dev/null + echo 'Waiting for email...' + token=$( + git fetch-email -i -M Trash \ + -F "${lobstersFrom}" -T "${email}" \ + -S 'Reset your password' | + sed -n 's|^https://.*[?]token=\([^&]*\).*|\1|p' + ) + echo 'Fetching CSRF token...' + csrf=$( + curl -Ss "${lobstersBase}/login/set_new_password?token=${token}" | + sed -n 's/.*name="authenticity_token" value="\([^"]*\)".*/\1/p' + ) + password=$(generate) + echo 'Setting password...' + curl -Ss -X POST \ + -F "authenticity_token=${csrf}" -F "token=${token}" \ + -F "password=${password}" -F "password_confirmation=${password}" \ + -F 'commit=submit' \ + "${lobstersBase}/login/set_new_password" \ + >/dev/null + copy "${password}" + open "${lobstersBase}/login" +} + +lwn() { + username=$email + echo 'Submitting form...' + curl -Ss -X POST -F "username=${username}" \ + 'https://lwn.net/Login/MailPWLink' \ + >/dev/null + echo 'Waiting for email...' + key=$( + git fetch-email -i -M Trash \ + -F 'lwn@lwn.net' -S 'A link to set your LWN.net password' | + sed -n 's|.*/Login/SetPassword/.*/\(.*\)|\1|p' + ) + echo 'Retrieving UID...' + uid=$( + curl -Ss "https://lwn.net/Login/SetPassword/${username}/${key}" | + sed -n 's/.*name="uid" value="\([^"]*\)".*/\1/p' + ) + password=$(generate) + echo 'Setting password...' + curl -Ss -X POST \ + -F "uid=${uid}" -F "key=${key}" \ + -F "new1=${password}" -F "new2=${password}" \ + 'https://lwn.net/Login/DoSetPassword' \ + >/dev/null + copy "${password}" + open 'https://lwn.net/Login/' +} + +patreon() { + readonly patreonAPI='https://www.patreon.com/api' + echo 'Submitting form...' + curl -Ss -X POST -d @- \ + -H 'Content-Type: application/vnd.api+json' \ + "${patreonAPI}/auth/forgot-password?json-api-version=1.0" <<-EOF + {"data":{"email":"${email}"}} + EOF + echo 'Waiting for email...' + url=$( + git fetch-email -i -M Trash \ + -F 'password@patreon.com' -T "${email}" \ + -S 'Patreon Password Reset' | + unwrap | + grep -o -m 1 'https://email[.]mailgun[.]patreon[.]com/.*' + ) + echo 'Fetching token...' + location=$(curl -ISs --url "${url}" | grep -i '^Location: ' | tr -d '\r') + u=$(echo "${location}" | sed 's/.*[?&]u=\([^&]*\).*/\1/') + sec=$(echo "${location}" | sed 's/.*[?&]sec=\([^&]*\).*/\1/') + password=$(generate) + echo 'Setting password...' + curl -Ss -X POST -d @- \ + -H 'Content-Type: application/vnd.api+json' \ + "${patreonAPI}/auth/forgot-password/change?json-api-version=1.0" <<-EOF + { + "data":{ + "user_id":"${u}", + "security_token":"${sec}", + "password":"${password}" + } + } + EOF + copy "${password}" + open 'https://www.patreon.com/login' +} + +tildegit() { + giteaBase='https://tildegit.org' + giteaFrom='git@tildegit.org' + gitea +} + +tildenews() { + lobstersBase='https://tilde.news' + lobstersFrom='nobody@tilde.news' + lobsters +} + +$service diff --git a/bin/title.c b/bin/title.c new file mode 100644 index 00000000..47ff720a --- /dev/null +++ b/bin/title.c @@ -0,0 +1,211 @@ +/* Copyright (C) 2019 June McEnroe <june@causal.agency> + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <curl/curl.h> +#include <err.h> +#include <locale.h> +#include <regex.h> +#include <stdbool.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sysexits.h> +#include <unistd.h> +#include <wchar.h> + +static regex_t regex(const char *pattern, int flags) { + regex_t regex; + int error = regcomp(®ex, pattern, REG_EXTENDED | flags); + if (!error) return regex; + + char buf[256]; + regerror(error, ®ex, buf, sizeof(buf)); + errx(EX_SOFTWARE, "regcomp: %s: %s", buf, pattern); +} + +static const struct Entity { + wchar_t ch; + const char *name; +} Entities[] = { + { L'"', """ }, + { L'&', "&" }, + { L'<', "<" }, + { L'>', ">" }, + { L'', " " }, +}; + +static wchar_t entity(const char *name) { + for (size_t i = 0; i < sizeof(Entities) / sizeof(Entities[0]); ++i) { + struct Entity entity = Entities[i]; + if (strncmp(name, entity.name, strlen(entity.name))) continue; + return entity.ch; + } + if (!strncmp(name, "&#x", 3)) return strtoul(&name[3], NULL, 16); + if (!strncmp(name, "&#", 2)) return strtoul(&name[2], NULL, 10); + return 0; +} + +static const char EntityPattern[] = { + "[[:space:]]+|&([[:alpha:]]+|#([[:digit:]]+|x[[:xdigit:]]+));" +}; +static regex_t EntityRegex; + +static void showTitle(const char *title) { + regmatch_t match = {0}; + for (; *title; title += match.rm_eo) { + if (regexec(&EntityRegex, title, 1, &match, 0)) break; + if (title[match.rm_so] != '&') { + printf("%.*s ", (int)match.rm_so, title); + continue; + } + wchar_t ch = entity(&title[match.rm_so]); + if (ch) { + printf("%.*s%lc", (int)match.rm_so, title, (wint_t)ch); + } else { + printf("%.*s", (int)match.rm_eo, title); + } + } + printf("%s\n", title); +} + +static CURL *curl; +static bool title; +static struct { + char buf[64 * 1024]; + size_t len; +} body; + +// HE COMES +static const char TitlePattern[] = "<title>([^<]*)</title>"; +static regex_t TitleRegex; + +static size_t handleBody(char *buf, size_t size, size_t nitems, void *user) { + (void)user; + size_t len = size * nitems; + size_t cap = sizeof(body.buf) - body.len - 1; + size_t new = (len < cap ? len : cap); + if (title || !new) return len; + + memcpy(&body.buf[body.len], buf, new); + body.len += new; + body.buf[body.len] = '\0'; + + regmatch_t match[2]; + if (regexec(&TitleRegex, body.buf, 2, match, 0)) return len; + body.buf[match[1].rm_eo] = '\0'; + showTitle(&body.buf[match[1].rm_so]); + title = true; + + return len; +} + +static CURLcode fetchTitle(const char *url) { + CURLcode code = curl_easy_setopt(curl, CURLOPT_URL, url); + if (code) return code; + + curl_easy_setopt(curl, CURLOPT_NOBODY, 1L); + code = curl_easy_perform(curl); + if (code) return code; + + char *type; + code = curl_easy_getinfo(curl, CURLINFO_CONTENT_TYPE, &type); + if (code) return code; + if (!type || strncmp(type, "text/html", 9)) return CURLE_OK; + + char *dest; + curl_easy_getinfo(curl, CURLINFO_EFFECTIVE_URL, &dest); + dest = strdup(dest); + if (!dest) err(EX_OSERR, "strdup"); + + code = curl_easy_setopt(curl, CURLOPT_URL, dest); + if (code) return code; + free(dest); + + body.len = 0; + title = false; + curl_easy_setopt(curl, CURLOPT_HTTPGET, 1L); + code = curl_easy_perform(curl); + return code; +} + +int main(int argc, char *argv[]) { + EntityRegex = regex(EntityPattern, 0); + TitleRegex = regex(TitlePattern, REG_ICASE); + + setlocale(LC_CTYPE, ""); + setlinebuf(stdout); + + CURLcode code = curl_global_init(CURL_GLOBAL_ALL); + if (code) errx(EX_OSERR, "curl_global_init: %s", curl_easy_strerror(code)); + + curl = curl_easy_init(); + if (!curl) errx(EX_SOFTWARE, "curl_easy_init"); + + static char error[CURL_ERROR_SIZE]; + curl_easy_setopt(curl, CURLOPT_ERRORBUFFER, error); + + curl_easy_setopt(curl, CURLOPT_PROTOCOLS, CURLPROTO_HTTP | CURLPROTO_HTTPS); + curl_easy_setopt( + curl, CURLOPT_USERAGENT, + "curl/7.54.0 facebookexternalhit/1.1 Twitterbot/1.0" + ); + curl_easy_setopt(curl, CURLOPT_ACCEPT_ENCODING, ""); + curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1L); + curl_easy_setopt(curl, CURLOPT_MAXREDIRS, 3L); + curl_easy_setopt(curl, CURLOPT_FAILONERROR, 1L); + + curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, handleBody); + + bool exclude = false; + regex_t excludeRegex; + + int opt; + while (0 < (opt = getopt(argc, argv, "x:v"))) { + switch (opt) { + break; case 'x': { + exclude = true; + excludeRegex = regex(optarg, REG_NOSUB); + } + break; case 'v': curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L); + break; default: return EX_USAGE; + } + } + + if (optind < argc) { + code = fetchTitle(argv[optind]); + if (!code) return EX_OK; + errx(EX_DATAERR, "curl_easy_perform: %s", error); + } + + char *buf = NULL; + size_t cap = 0; + + regex_t urlRegex = regex("https?://([^[:space:]>\"()]|[(][^)]*[)])+", 0); + while (0 < getline(&buf, &cap, stdin)) { + regmatch_t match = {0}; + for (char *ptr = buf; *ptr; ptr += match.rm_eo) { + if (regexec(&urlRegex, ptr, 1, &match, 0)) break; + ptr[match.rm_eo] = '\0'; + const char *url = &ptr[match.rm_so]; + if (!exclude || regexec(&excludeRegex, url, 0, NULL, 0)) { + code = fetchTitle(url); + if (code) warnx("curl_easy_perform: %s", error); + } + ptr[match.rm_eo] = ' '; + } + } + if (ferror(stdin)) err(EX_IOERR, "getline"); +} diff --git a/bin/up.sh b/bin/up.sh new file mode 100644 index 00000000..6305b1ee --- /dev/null +++ b/bin/up.sh @@ -0,0 +1,94 @@ +#!/bin/sh +set -eu + +readonly Host='temp.causal.agency' +readonly Root='/var/www' + +temp= +temp() { + temp=$(mktemp -d) + trap 'rm -r "$temp"' EXIT +} + +warn= +upload() { + src=$1 + ext=${src##*.} + name=$(printf '%x%s' "$(date +%s)" "$(openssl rand -hex 4)") + url="${Host}/${name}.${ext}" + scp -q "$src" "${Host}:${Root}/${url}" + if test -n "$warn"; then + test -n "$temp" || temp + cat >"${temp}/warn.html" <<-EOF + <!DOCTYPE html> + <title>${warn}</title> + <meta http-equiv="refresh" content="0;url=${name}.${ext}"> + EOF + url="${Host}/${name}.html" + scp -q "${temp}/warn.html" "${Host}:${Root}/${url}" + fi + echo "https://${url}" +} + +uploadText() { + temp + cat >"${temp}/input.txt" + upload "${temp}/input.txt" +} + +uploadCommand() { + temp + echo "$ $1" >"${temp}/exec.txt" + $SHELL -c "$1" >>"${temp}/exec.txt" 2>&1 || true + upload "${temp}/exec.txt" +} + +uploadHilex() { + temp + hilex -f html -o document,tab=4 "$@" >"${temp}/hilex.html" + upload "${temp}/hilex.html" +} + +uploadScreen() { + temp + if command -v screencapture >/dev/null; then + screencapture -i "$@" "${temp}/capture.png" + else + scrot -s "$@" "${temp}/capture.png" + fi + pngo "${temp}/capture.png" + upload "${temp}/capture.png" +} + +uploadTerminal() { + temp + cat >"${temp}/term.html" <<-EOF + <!DOCTYPE html> + <meta charset="utf-8"> + <title>${1}</title> + <style> + $(scheme -s) + </style> + EOF + ptee $SHELL -c "$1" >"${temp}/term.pty" + shotty -Bs "${temp}/term.pty" >>"${temp}/term.html" + upload "${temp}/term.html" +} + +while getopts 'chstw:' opt; do + case $opt in + (c) fn=uploadCommand;; + (h) fn=uploadHilex;; + (s) fn=uploadScreen;; + (t) fn=uploadTerminal;; + (w) warn=$OPTARG;; + (?) exit 1;; + esac +done +shift $((OPTIND - 1)) +[ $# -eq 0 ] && : ${fn:=uploadText} +: ${fn:=upload} + +url=$($fn "$@") +printf '%s' "$url" | pbcopy || true +echo "$url" diff --git a/bin/when.y b/bin/when.y new file mode 100644 index 00000000..46651ebb --- /dev/null +++ b/bin/when.y @@ -0,0 +1,353 @@ +/* Copyright (C) 2019, 2022 June McEnroe <june@causal.agency> + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +%{ + +#include <ctype.h> +#include <err.h> +#include <errno.h> +#include <limits.h> +#include <stdbool.h> +#include <stdio.h> +#include <stdlib.h> +#include <strings.h> +#include <sysexits.h> +#include <time.h> + +static void yyerror(const char *str); +static int yylex(void); + +#define YYSTYPE struct tm + +static const char *Days[7] = { + "Sunday", "Monday", "Tuesday", "Wednesday", + "Thursday", "Friday", "Saturday", +}; + +static const char *Months[12] = { + "January", "February", "March", "April", "May", "June", + "July", "August", "September", "October", "November", "December", +}; + +static const struct tm Week = { .tm_mday = 7 }; + +static struct tm normalize(struct tm date) { + time_t time = timegm(&date); + struct tm *norm = gmtime(&time); + if (!norm) err(EX_OSERR, "gmtime"); + return *norm; +} + +static struct tm today(void) { + time_t now = time(NULL); + struct tm *local = localtime(&now); + if (!local) err(EX_OSERR, "localtime"); + struct tm date = { + .tm_year = local->tm_year, + .tm_mon = local->tm_mon, + .tm_mday = local->tm_mday, + }; + return normalize(date); +} + +static struct tm monthDay(int month, int day) { + struct tm date = today(); + date.tm_mon = month; + date.tm_mday = day; + return normalize(date); +} + +static struct tm monthDayYear(int month, int day, int year) { + struct tm date = today(); + date.tm_mon = month; + date.tm_mday = day; + date.tm_year = year - 1900; + return normalize(date); +} + +static struct tm weekDay(int day) { + struct tm date = today(); + date.tm_mday += day - date.tm_wday; + return normalize(date); +} + +static struct tm scalarAdd(struct tm a, struct tm b) { + a.tm_mday += b.tm_mday; + a.tm_mon += b.tm_mon; + a.tm_year += b.tm_year; + return a; +} + +static struct tm scalarSub(struct tm a, struct tm b) { + a.tm_mday -= b.tm_mday; + a.tm_mon -= b.tm_mon; + a.tm_year -= b.tm_year; + return a; +} + +static struct tm dateAdd(struct tm date, struct tm scalar) { + return normalize(scalarAdd(date, scalar)); +} + +static struct tm dateSub(struct tm date, struct tm scalar) { + return normalize(scalarSub(date, scalar)); +} + +static struct tm dateDiff(struct tm a, struct tm b) { + time_t atime = timegm(&a), btime = timegm(&b); + if (atime < btime) { + struct tm x = a; + a = b; + b = x; + time_t xtime = atime; + atime = btime; + btime = xtime; + } + struct tm diff = { + .tm_year = a.tm_year - b.tm_year, + .tm_mon = a.tm_mon - b.tm_mon, + .tm_mday = a.tm_mday - b.tm_mday, + }; + if ( + a.tm_mon < b.tm_mon || + (a.tm_mon == b.tm_mon && a.tm_mday < b.tm_mday) + ) { + diff.tm_year--; + diff.tm_mon += 12; + } + if (a.tm_mday < b.tm_mday) { + diff.tm_mon--; + diff.tm_mday = 0; + while (dateAdd(b, diff).tm_mday != a.tm_mday) diff.tm_mday++; + } + diff.tm_yday = (atime - btime) / 24 / 60 / 60; + return diff; +} + +static struct { + size_t cap, len; + struct tm *ptr; +} dates; + +static struct tm getDate(const char *name) { + for (size_t i = 0; i < dates.len; ++i) { + if (!strcmp(dates.ptr[i].tm_zone, name)) return dates.ptr[i]; + } + return (struct tm) {0}; +} + +static void setDate(const char *name, struct tm date) { + for (size_t i = 0; i < dates.len; ++i) { + if (strcmp(dates.ptr[i].tm_zone, name)) continue; + char *tm_zone = dates.ptr[i].tm_zone; + dates.ptr[i] = date; + dates.ptr[i].tm_zone = tm_zone; + return; + } + if (dates.len == dates.cap) { + dates.cap = (dates.cap ? dates.cap * 2 : 8); + dates.ptr = realloc(dates.ptr, sizeof(*dates.ptr) * dates.cap); + if (!dates.ptr) err(EX_OSERR, "realloc"); + } + dates.ptr[dates.len] = date; + dates.ptr[dates.len].tm_zone = strdup(name); + if (!dates.ptr[dates.len].tm_zone) err(EX_OSERR, "strdup"); + dates.len++; +} + +static bool silent; + +static void printDate(struct tm date) { + if (silent) return; + printf( + "%.3s %.3s %d %d\n", + Days[date.tm_wday], Months[date.tm_mon], + date.tm_mday, 1900 + date.tm_year + ); +} + +static void printScalar(struct tm scalar) { + if (silent) return; + if (scalar.tm_year) printf("%dy ", scalar.tm_year); + if (scalar.tm_mon) printf("%dm ", scalar.tm_mon); + if (scalar.tm_mday % 7) { + printf("%dd ", scalar.tm_mday); + } else if (scalar.tm_mday) { + printf("%dw ", scalar.tm_mday / 7); + } + if (scalar.tm_yday && scalar.tm_mon) { + if (scalar.tm_yday >= 7) { + printf("(%dw", scalar.tm_yday / 7); + if (scalar.tm_yday % 7) { + printf(" %dd", scalar.tm_yday % 7); + } + printf(") "); + } + printf("(%dd) ", scalar.tm_yday); + } + printf("\n"); +} + +%} + +%token Name Number Month Day +%left '+' '-' +%right '=' '<' '>' + +%% + +expr: + date { printDate($1); } + | scalar { printScalar($1); } + ; + +date: + dateLit + | Name { $$ = getDate($1.tm_zone); free($1.tm_zone); } + | Name '=' date { setDate($1.tm_zone, $3); free($1.tm_zone); $$ = $3; } + | '(' date ')' { $$ = $2; } + | '<' date { $$ = dateSub($2, Week); } + | '>' date { $$ = dateAdd($2, Week); } + | date '+' scalar { $$ = dateAdd($1, $3); } + | date '-' scalar { $$ = dateSub($1, $3); } + ; + +scalar: + scalarLit + | '(' scalar ')' { $$ = $2; } + | scalar '+' scalar { $$ = scalarAdd($1, $3); } + | scalar '-' scalar { $$ = scalarSub($1, $3); } + | date '-' date { $$ = dateDiff($1, $3); } + ; + +dateLit: + { $$ = today(); } + | '.' { $$ = today(); } + | Month Number { $$ = monthDay($1.tm_mon, $2.tm_sec); } + | Month Number Number { $$ = monthDayYear($1.tm_mon, $2.tm_sec, $3.tm_sec); } + | Day { $$ = weekDay($1.tm_wday); } + ; + +scalarLit: + Number 'd' { $$ = (struct tm) { .tm_mday = $1.tm_sec }; } + | Number 'w' { $$ = (struct tm) { .tm_mday = 7 * $1.tm_sec }; } + | Number 'm' { $$ = (struct tm) { .tm_mon = $1.tm_sec }; } + | Number 'y' { $$ = (struct tm) { .tm_year = $1.tm_sec }; } + ; + +%% + +static void yyerror(const char *str) { + warnx("%s", str); +} + +static const char *input; + +static int yylex(void) { + while (isspace(*input)) input++; + if (!*input) return EOF; + + if (isdigit(*input)) { + char *rest; + yylval.tm_sec = strtol(input, &rest, 10); + input = rest; + return Number; + } + + size_t len; + for (len = 0; isalnum(input[len]) || input[len] == '_'; ++len); + + if (len >= 3) { + for (int i = 0; i < 7; ++i) { + if (strncasecmp(input, Days[i], len)) continue; + yylval.tm_wday = i; + input += len; + return Day; + } + + for (int i = 0; i < 12; ++i) { + if (strncasecmp(input, Months[i], len)) continue; + yylval.tm_mon = i; + input += len; + return Month; + } + } + + if (len && (len != 1 || !strchr("dwmy", *input))) { + yylval.tm_zone = strndup(input, len); + if (!yylval.tm_zone) err(EX_OSERR, "strndup"); + input += len; + return Name; + } + + return *input++; +} + +int main(int argc, char *argv[]) { + size_t cap = 0; + char *line = NULL; + + char path[PATH_MAX]; + const char *configHome = getenv("XDG_CONFIG_HOME"); + if (configHome) { + snprintf(path, sizeof(path), "%s/when/dates", configHome); + } else { + snprintf(path, sizeof(path), "%s/.config/when/dates", getenv("HOME")); + } + + FILE *file = fopen(path, "r"); + if (file) { + silent = true; + while (0 < getline(&line, &cap, file)) { + input = line; + yyparse(); + } + fclose(file); + silent = false; + } else if (errno != ENOENT) { + err(EX_CONFIG, "%s", path); + } + + if (argc > 1) { + if (strcmp(argv[1], "-")) { + input = argv[1]; + return yyparse(); + } else { + for (size_t i = 0; i < dates.len; ++i) { + printf("%s: ", dates.ptr[i].tm_zone); + printScalar(dateDiff(today(), dates.ptr[i])); + } + return EX_OK; + } + } + + struct tm date = today(); + printDate(date); + printf("\n"); + + while (0 < getline(&line, &cap, stdin)) { + if (line[0] == '\n') continue; + + if (today().tm_mday != date.tm_mday) { + warnx("the date has changed"); + date = today(); + } + + input = line; + yyparse(); + printf("\n"); + } +} diff --git a/bin/xx.c b/bin/xx.c new file mode 100644 index 00000000..39d7ec07 --- /dev/null +++ b/bin/xx.c @@ -0,0 +1,142 @@ +/* Copyright (C) 2017 June McEnroe <june@causal.agency> + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <ctype.h> +#include <err.h> +#include <stdbool.h> +#include <stdio.h> +#include <stdlib.h> +#include <sysexits.h> +#include <unistd.h> + +typedef unsigned char byte; + +static bool zero(const byte *ptr, size_t size) { + for (size_t i = 0; i < size; ++i) { + if (ptr[i]) return false; + } + return true; +} + +static struct { + size_t cols; + size_t group; + size_t blank; + bool ascii; + bool offset; + bool skip; +} options = { 16, 8, 0, true, true, false }; + +static void dump(FILE *file) { + bool skip = false; + + byte buf[options.cols]; + size_t offset = 0; + for ( + size_t size; + (size = fread(buf, 1, sizeof(buf), file)); + offset += size + ) { + if (options.skip) { + if (zero(buf, size)) { + if (!skip) printf("*\n"); + skip = true; + continue; + } else { + skip = false; + } + } + + if (options.blank) { + if (offset && offset % options.blank == 0) { + printf("\n"); + } + } + + if (options.offset) { + printf("%08zX: ", offset); + } + + for (size_t i = 0; i < sizeof(buf); ++i) { + if (options.group) { + if (i && !(i % options.group)) { + printf(" "); + } + } + if (i < size) { + printf("%02hhX ", buf[i]); + } else { + printf(" "); + } + } + + if (options.ascii) { + printf(" "); + for (size_t i = 0; i < size; ++i) { + if (options.group) { + if (i && !(i % options.group)) { + printf(" "); + } + } + printf("%c", isprint(buf[i]) ? buf[i] : '.'); + } + } + + printf("\n"); + } +} + +static void undump(FILE *file) { + byte c; + int match; + while (0 < (match = fscanf(file, " %hhx", &c))) { + printf("%c", c); + } + if (!match) errx(EX_DATAERR, "invalid input"); +} + +int main(int argc, char *argv[]) { + bool reverse = false; + const char *path = NULL; + + int opt; + while (0 < (opt = getopt(argc, argv, "ac:g:p:rsz"))) { + switch (opt) { + break; case 'a': options.ascii ^= true; + break; case 'c': options.cols = strtoul(optarg, NULL, 0); + break; case 'g': options.group = strtoul(optarg, NULL, 0); + break; case 'p': options.blank = strtoul(optarg, NULL, 0); + break; case 'r': reverse = true; + break; case 's': options.offset ^= true; + break; case 'z': options.skip ^= true; + break; default: return EX_USAGE; + } + } + if (argc > optind) path = argv[optind]; + if (!options.cols) return EX_USAGE; + + FILE *file = path ? fopen(path, "r") : stdin; + if (!file) err(EX_NOINPUT, "%s", path); + + if (reverse) { + undump(file); + } else { + dump(file); + } + if (ferror(file)) err(EX_IOERR, "%s", path); + + return EX_OK; +} diff --git a/doc/rfc/.gitignore b/doc/rfc/.gitignore new file mode 100644 index 00000000..cc3245d4 --- /dev/null +++ b/doc/rfc/.gitignore @@ -0,0 +1,2 @@ +rfc +rfctags diff --git a/doc/rfc/Makefile b/doc/rfc/Makefile new file mode 100644 index 00000000..3078dcd3 --- /dev/null +++ b/doc/rfc/Makefile @@ -0,0 +1,38 @@ +PREFIX ?= ~/.local +MANDIR ?= ${PREFIX}/share/man + +MODULE = ftp.rfc-editor.org::rfcs +RFCS = ${MODULE}/rfc-index.txt ${MODULE}/'rfc[1-9]*.txt' ${MODULE}/'rfc*.json' + +all: rfc rfctags + +.SUFFIXES: .in .pl + +.in: + sed 's|%%PREFIX%%|${PREFIX}|g' $< > $@ + chmod a+x $@ + +.pl: + cp -f $< $@ + chmod a+x $@ + +clean: + rm -f rfc rfctags + +install: rfc rfctags rfc.1 + install -d ${PREFIX}/bin ${MANDIR}/man1 + install rfc rfctags ${PREFIX}/bin + install -m 644 rfc.1 ${MANDIR}/man1 + ln -fs rfc.1 ${MANDIR}/man1/rfctags.1 + +sync: + install -d ${PREFIX}/share + rsync -ptz ${RFCS} ${PREFIX}/share/rfc + +compress: + find ${PREFIX}/share/rfc -name '*.txt' | xargs gzip -9f + +uninstall: + rm -f ${PREFIX}/bin/rfc ${PREFIX}/bin/rfctags + rm -f ${MANDIR}/man1/rfc.1 ${MANDIR}/man1/rfctags.1 + rm -fr ${PREFIX}/share/rfc diff --git a/doc/rfc/rfc.1 b/doc/rfc/rfc.1 new file mode 100644 index 00000000..da393e8b --- /dev/null +++ b/doc/rfc/rfc.1 @@ -0,0 +1,60 @@ +.Dd January 3, 2022 +.Dt RFC 1 +.Os +. +.Sh NAME +.Nm rfc , +.Nm rfctags +.Nd view IETF RFCs +. +.Sh SYNOPSIS +.Nm rfc +.Op Ar number +.Nm rfc +.Fl b Ar number +.Nm rfctags +.Op Ar +. +.Sh DESCRIPTION +The +.Nm rfc +utility displays +an IETF RFC by number, +or the RFC index if no number is specified. +The RFC is displayed in the +.Ev PAGER +with a tags file generated by +.Nm rfctags . +The +.Fl b +option outputs an +.Xr mdoc 7 +bibliographic block. +. +.Pp +The +.Nm rfctags +utility generates tags +for RFC text file +section numbers, +section names +and bracketed references. +. +.Sh ENVIRONMENT +.Bl -tag -width Ds +.It Ev PAGER +The program used to display RFCs. +It must accept the +.Fl T +flag for specifying +the path of the tags file. +The default is +.Ev PAGER=less . +.El +. +.Sh SEE ALSO +.Xr ctags 1 , +.Xr less 1 +. +.Sh AUTHORS +.An June Bug Aq Mt june@causal.agency diff --git a/doc/rfc/rfc.in b/doc/rfc/rfc.in new file mode 100644 index 00000000..abeb293f --- /dev/null +++ b/doc/rfc/rfc.in @@ -0,0 +1,41 @@ +#!/bin/sh +set -eu + +mktemp='mktemp -t rfc' +[ "$(uname)" = 'OpenBSD' ] && mktemp="${mktemp}.XXXXXXXXXX" + +bib= +while getopts 'b:' opt; do + case $opt in + (b) bib=$OPTARG;; + (?) exit 1;; + esac +done +shift $((OPTIND - 1)) + +if test -n "${bib}"; then + exec jq -r ' + ".Rs", + (.authors[] | ".%A \(.)"), + ".%T \(.title | ltrimstr(" "))", + ".%I IETF", + ".%R \(.doc_id)", + ".%U https://tools.ietf.org/html/\(.doc_id | ascii_downcase)", + ".%D \(.pub_date)", + ".Re" + ' %%PREFIX%%/share/rfc/"rfc${bib}.json" +fi + +rfc=%%PREFIX%%/share/rfc/"rfc${1:--index}.txt" +tags=$($mktemp) +trap 'rm "${tags}"' EXIT + +if test -f "${rfc}.gz"; then + txt=$($mktemp) + trap 'rm "${txt}" "${tags}"' EXIT + gunzip -c "${rfc}.gz" >"${txt}" + rfc=$txt +fi + +%%PREFIX%%/bin/rfctags "${rfc}" >"${tags}" +${PAGER:-less} -T "${tags}" "${rfc}" diff --git a/doc/rfc/rfctags.pl b/doc/rfc/rfctags.pl new file mode 100644 index 00000000..05173d00 --- /dev/null +++ b/doc/rfc/rfctags.pl @@ -0,0 +1,21 @@ +#!/usr/bin/env perl +use strict; +use warnings; +use open ':encoding(ISO-8859-1)'; + +($,, $\) = ("\t", "\n"); +while (<>) { + chomp; + # Section headings + if (/^([\d.]+|[A-Z][.])\s+([^\t]+)?/) { + print $1, $ARGV, $.; + print $2, $ARGV, $. if $2; + print $1, $ARGV, $. if $1 =~ /^([\d.]+)[.]$/; + } + # References + if (/^\s*(\[[\w-]+\])\s{2,}/) { + print $1, $ARGV, $.; + print "\\$1", $ARGV, $.; # vim ^] prepends \ to [ + } + close ARGV if eof; +} diff --git a/doc/zlib/Makefile b/doc/zlib/Makefile new file mode 100644 index 00000000..6cfd4a42 --- /dev/null +++ b/doc/zlib/Makefile @@ -0,0 +1,87 @@ +PREFIX ?= ~/.local +MANDIR ?= ${PREFIX}/share/man + +MAN += adler32.3 +MAN += adler32_combine.3 +MAN += compress.3 +MAN += compressBound.3 +MAN += crc32.3 +MAN += crc32_combine.3 +MAN += deflate.3 +MAN += deflateBound.3 +MAN += deflateCopy.3 +MAN += deflateEnd.3 +MAN += deflateGetDictionary.3 +MAN += deflateInit.3 +MAN += deflateInit2.3 +MAN += deflateParams.3 +MAN += deflatePending.3 +MAN += deflatePrime.3 +MAN += deflateReset.3 +MAN += deflateSetDictionary.3 +MAN += deflateSetHeader.3 +MAN += deflateTune.3 +MAN += gzbuffer.3 +MAN += gzclose.3 +MAN += gzdirect.3 +MAN += gzeof.3 +MAN += gzerror.3 +MAN += gzflush.3 +MAN += gzfread.3 +MAN += gzfwrite.3 +MAN += gzgetc.3 +MAN += gzgets.3 +MAN += gzoffset.3 +MAN += gzopen.3 +MAN += gzprintf.3 +MAN += gzputc.3 +MAN += gzputs.3 +MAN += gzread.3 +MAN += gzseek.3 +MAN += gzsetparams.3 +MAN += gzungetc.3 +MAN += gzwrite.3 +MAN += inflate.3 +MAN += inflateBack.3 +MAN += inflateBackEnd.3 +MAN += inflateBackInit.3 +MAN += inflateCopy.3 +MAN += inflateEnd.3 +MAN += inflateGetDictionary.3 +MAN += inflateGetHeader.3 +MAN += inflateInit.3 +MAN += inflateInit2.3 +MAN += inflateMark.3 +MAN += inflatePrime.3 +MAN += inflateReset.3 +MAN += inflateSetDictionary.3 +MAN += inflateSync.3 +MAN += uncompress.3 +MAN += zlibCompileFlags.3 +MAN += zlibVersion.3 + +MLINKS += adler32.3 adler32_z.3 +MLINKS += compress.3 compress2.3 +MLINKS += crc32.3 crc32_z.3 +MLINKS += gzclose.3 gzclose_r.3 +MLINKS += gzclose.3 gzclose_w.3 +MLINKS += gzerror.3 gzclearerr.3 +MLINKS += gzopen.3 gzdopen.3 +MLINKS += gzseek.3 gzrewind.3 +MLINKS += gzseek.3 gztell.3 +MLINKS += inflateReset.3 inflateReset2.3 +MLINKS += uncompress.3 uncompress2.3 + +lint: + mandoc -T lint ${MAN} | grep -v 'referenced manual not found' + +install: + install -d ${MANDIR}/man3 + install -m 644 ${MAN} ${MANDIR}/man3 + set -- ${MLINKS}; while [ -n "$$*" ]; do \ + ln -fs $$1 ${MANDIR}/man3/$$2; shift 2; done + +uninstall: + rm -f ${MAN:%=${MANDIR}/man3/%} + set -- ${MLINKS}; while [ -n "$$*" ]; do \ + rm -f ${MANDIR}/man3/$$2; shift 2; done diff --git a/doc/zlib/adler32.3 b/doc/zlib/adler32.3 new file mode 100644 index 00000000..c58a34e7 --- /dev/null +++ b/doc/zlib/adler32.3 @@ -0,0 +1,65 @@ +.Dd January 15, 2017 +.Dt ADLER32 3 +.Os +. +.Sh NAME +.Nm adler32 , +.Nm adler32_z +.Nd update Adler-32 checksum +. +.Sh LIBRARY +.Lb libz +. +.Sh SYNOPSIS +.In zlib.h +.Ft uLong +.Fn adler32 "uLong adler" "const Bytef *buf" "uInt len" +.Ft uLong +.Fn adler32_z "uLong adler" "const Bytef *buf" "z_size_t len" +. +.Sh DESCRIPTION +Update a running Adler-32 checksum with the bytes +.Fa "buf[0..len-1]" +and return the updated checksum. +If +.Fa buf +is +.Dv Z_NULL , +this function returns +the required initial value for the checksum. +. +.Pp +An Adler-32 checksum is almost as reliable as a CRC-32 +but can be computed much faster. +. +.Pp +.Fn adler32_z +is the same as +.Fn adler32 , +but with a +.Vt size_t +length. +. +.Sh EXAMPLES +.Bd -literal -offset indent +uLong adler = adler32(0L, Z_NULL, 0); + +while (read_buffer(buffer, length) != EOF) { + adler = adler32(adler, buffer, length); +} +if (adler != original_adler) error(); +.Ed +. +.Sh SEE ALSO +.Xr adler32_combine 3 , +.Xr crc32 3 +. +.Sh HISTORY +This manual page was converted from +.In zlib.h +to mdoc format by +.An June McEnroe Aq Mt june@causal.agency . +. +.Sh AUTHORS +.An Jean-loup Gailly Aq Mt jloup@gzip.org +.An Mark Adler Aq Mt madler@alumni.caltech.edu diff --git a/doc/zlib/adler32_combine.3 b/doc/zlib/adler32_combine.3 new file mode 100644 index 00000000..55e801e9 --- /dev/null +++ b/doc/zlib/adler32_combine.3 @@ -0,0 +1,63 @@ +.Dd January 15, 2017 +.Dt ADLER32_COMBINE 3 +.Os +. +.Sh NAME +.Nm adler32_combine +.Nd combine Adler-32 checksums +. +.Sh LIBRARY +.Lb libz +. +.Sh SYNOPSIS +.In zlib.h +.Ft uLong +.Fn adler32_combine "uLong adler1" "uLong adler2" "z_off_t len2" +. +.Sh DESCRIPTION +Combine two Adler-32 checksums into one. +For two sequences of bytes, +.Va seq1 +and +.Va seq2 +with lengths +.Va len1 +and +.Va len2 , +Adler-32 checksums were calculated for each, +.Va adler1 +and +.Va adler2 . +.Fn adler32_combine +returns the Adler-32 checksum of +.Va seq1 +and +.Va seq2 +concatenated, +requiring only +.Fa adler1 , +.Fa adler2 , +and +.Fa len2 . +Note that the +.Vt z_off_t +type +.Pq like Vt off_t +is a signed integer. +If +.Fa len2 +is negative, +the result has no meaning or utility. +. +.Sh SEE ALSO +.Xr adler32 3 +. +.Sh HISTORY +This manual page was converted from +.In zlib.h +to mdoc format by +.An June McEnroe Aq Mt june@causal.agency . +. +.Sh AUTHORS +.An Jean-loup Gailly Aq Mt jloup@gzip.org +.An Mark Adler Aq Mt madler@alumni.caltech.edu diff --git a/doc/zlib/compress.3 b/doc/zlib/compress.3 new file mode 100644 index 00000000..16445e2f --- /dev/null +++ b/doc/zlib/compress.3 @@ -0,0 +1,84 @@ +.Dd January 15, 2017 +.Dt COMPRESS 3 +.Os +. +.Sh NAME +.Nm compress , +.Nm compress2 +.Nd compress source buffer into destination buffer +. +.Sh LIBRARY +.Lb libz +. +.Sh SYNOPSIS +.In zlib.h +. +.Ft int +.Fo compress +.Fa "Bytef *dest" +.Fa "uLongf *destLen" +.Fa "const Bytef *source" +.Fa "uLong sourceLen" +.Fc +. +.Ft int +.Fo compress2 +.Fa "Bytef *dest" +.Fa "uLongf *destLen" +.Fa "const Bytef *source" +.Fa "uLong sourceLen" +.Fa "int level" +.Fc +. +.Sh DESCRIPTION +Compresses the source buffer into the destination buffer. +.Fa sourceLen +is the byte length of the source buffer. +Upon entry, +.Fa destLen +is the total size of the destination buffer, +which must be at least the value returned by +.Fn compressBound sourceLen . +Upon exit, +.Fa destLen +is the actual size of the compressed data. +. +.Pp +.Fn compress +is equivalent to +.Fn compress2 +with a +.Fa level +parameter of +.Dv Z_DEFAULT_COMPRESSION . +. +.Sh RETURN VALUES +.Fn compress +and +.Fn compress2 +return +.Dv Z_OK +on success, +.Dv Z_MEM_ERROR +if there was not enough memory, +.Dv Z_BUF_ERROR +if there was not enough room in the output buffer, +.Dv Z_STREAM_ERROR +if the +.Fa level +parameter is invalid. +. +.Sh SEE ALSO +.Xr compressBound 3 , +.Xr deflateInit 3 , +.Xr uncompress 3 +. +.Sh HISTORY +This manual page was converted from +.In zlib.h +to mdoc format by +.An June McEnroe Aq Mt june@causal.agency . +. +.Sh AUTHORS +.An Jean-loup Gailly Aq Mt jloup@gzip.org +.An Mark Adler Aq Mt madler@alumni.caltech.edu diff --git a/doc/zlib/compressBound.3 b/doc/zlib/compressBound.3 new file mode 100644 index 00000000..d61891eb --- /dev/null +++ b/doc/zlib/compressBound.3 @@ -0,0 +1,44 @@ +.Dd January 15, 2017 +.Dt COMPRESSBOUND 3 +.Os +. +.Sh NAME +.Nm compressBound +.Nd compressed size upper bound +. +.Sh LIBRARY +.Lb libz +. +.Sh SYNOPSIS +.In zlib.h +.Ft uLong +.Fn compressBound "uLong sourceLen" +. +.Sh DESCRIPTION +.Fn compressBound +returns an upper bound on the compressed size after +.Xr compress 3 +or +.Xr compress2 3 +on +.Fa sourceLen +bytes. +It would be used before a +.Xr compress 3 +or +.Xr compress2 3 +call to allocate the destination buffer. +. +.Sh SEE ALSO +.Xr compress 3 , +.Xr deflateBound 3 +. +.Sh HISTORY +This manual page was converted from +.In zlib.h +to mdoc format by +.An June McEnroe Aq Mt june@causal.agency . +. +.Sh AUTHORS +.An Jean-loup Gailly Aq Mt jloup@gzip.org +.An Mark Adler Aq Mt madler@alumni.caltech.edu diff --git a/doc/zlib/crc32.3 b/doc/zlib/crc32.3 new file mode 100644 index 00000000..a42df2af --- /dev/null +++ b/doc/zlib/crc32.3 @@ -0,0 +1,66 @@ +.Dd January 15, 2017 +.Dt CRC32 3 +.Os +. +.Sh NAME +.Nm crc32 , +.Nm crc32_z +.Nd update CRC-32 checksum +. +.Sh LIBRARY +.Lb libz +. +.Sh SYNOPSIS +.In zlib.h +.Ft uLong +.Fn crc32 "uLong crc" "const Bytef *buf" "uInt len" +.Ft uLong +.Fn crc32_z "uLong crc" "const Bytef *buf" "z_size_t len" +. +.Sh DESCRIPTION +Update a running CRC-32 with the bytes +.Fa "buf[0..len-1]" +and return the updated CRC-32. +If +.Fa buf +is +.Dv Z_NULL , +this function returns +the required initial value for the CRC. +Pre- and post-conditioning +(one's complement) +is performed within this function +so it shouldn't be done +by the application. +. +.Pp +.Fn crc32_z +is the same as +.Fn crc32 , +but with a +.Vt size_t +length. +. +.Sh EXAMPLES +.Bd -literal -offset indent +uLong crc = crc32(0L, Z_NULL, 0); + +while (read_buffer(buffer, length) != EOF) { + crc = crc32(crc, buffer, length); +} +if (crc != original_crc) error(); +.Ed +. +.Sh SEE ALSO +.Xr adler32 3 , +.Xr crc32_combine 3 +. +.Sh HISTORY +This manual page was converted from +.In zlib.h +to mdoc format by +.An June McEnroe Aq Mt june@causal.agency . +. +.Sh AUTHORS +.An Jean-loup Gailly Aq Mt jloup@gzip.org +.An Mark Adler Aq Mt madler@alumni.caltech.edu diff --git a/doc/zlib/crc32_combine.3 b/doc/zlib/crc32_combine.3 new file mode 100644 index 00000000..b25da679 --- /dev/null +++ b/doc/zlib/crc32_combine.3 @@ -0,0 +1,54 @@ +.Dd January 15, 2017 +.Dt CRC32_COMBINE 3 +.Os +. +.Sh NAME +.Nm crc32_combine +.Nd combine CRC-32 checksums +. +.Sh LIBRARY +.Lb libz +. +.Sh SYNOPSIS +.In zlib.h +.Ft uLong +.Fn crc32_combine "uLong crc1" "uLong crc2" "z_off_t len2" +. +.Sh DESCRIPTION +Combine two CRC-32 check values into one. +For two sequences of bytes, +.Va seq1 +and +.Va seq2 +with lengths +.Va len1 +and +.Va len2 , +CRC-32 check values were calculated for each, +.Va crc1 +and +.Va crc2 . +.Fn crc32_combine +returns the CRC-32 check value of +.Va seq1 +and +.Va seq2 +concatenated, +requiring only +.Fa crc1 , +.Fa crc2 , +and +.Fa len2 . +. +.Sh SEE ALSO +.Xr crc32 3 +. +.Sh HISTORY +This manual page was converted from +.In zlib.h +to mdoc format by +.An June McEnroe Aq Mt june@causal.agency . +. +.Sh AUTHORS +.An Jean-loup Gailly Aq Mt jloup@gzip.org +.An Mark Adler Aq Mt madler@alumni.caltech.edu diff --git a/doc/zlib/deflate.3 b/doc/zlib/deflate.3 new file mode 100644 index 00000000..be182d96 --- /dev/null +++ b/doc/zlib/deflate.3 @@ -0,0 +1,370 @@ +.Dd January 15, 2017 +.Dt DEFLATE 3 +.Os +. +.Sh NAME +.Nm deflate +.Nd deflate compression +. +.Sh LIBRARY +.Lb libz +. +.Sh SYNOPSIS +.In zlib.h +.Ft int +.Fn deflate "z_streamp strm" "int flush" +. +.Sh DESCRIPTION +.Fn deflate +compresses as much data as possible, +and stops when the input buffer becomes empty +or the output buffer becomes full. +It may introduce some output latency +(reading input without producing any output) +except when forced the flush. +. +.Pp +The detailed semantics are as follows. +.Fn deflate +performs one or both of the following actions: +. +.Bl -dash +.It +Compress more input starting at +.Fa next_in +and update +.Fa next_in +and +.Fa avail_in +accordingly. +If not all input can be processed +(because there is not enough room in the output buffer), +.Fa next_in +and +.Fa avail_in +are updated +and processing will resume at this point +for the next call of +.Fn deflate . +. +.It +Generate more output starting at +.Fa next_out +and update +.Fa next_out +and +.Fa avail_out +accordingly. +This action is forced if the parameter +.Fa flush +is non-zero. +Forcing flush frequently degrades the compression ratio, +so this parameter should be set only when necessary. +Some output may be provided even if +.Fa flush +is zero. +.El +. +.Pp +Before the call of +.Fn deflate , +the application should ensure that +at least one of the actions is possible, +by providing more input +and/or consuming more output, +and updating +.Fa avail_in +or +.Fa avail_out +accordingly; +.Fa avail_out +should never be zero before the call. +The application can consume the compressed output +when it wants, +for example when the output buffer is full +.Po +.Fa avail_out +== 0 +.Pc , +or after each call of +.Fn deflate . +If +.Fn deflate +returns +.Dv Z_OK +and with zero +.Fa avail_out , +it must be called again after making room in the output buffer +because there might be more output pending. +See +.Xr deflatePending 3 , +which can be used if desired to determine +whether or not there is more output in that case. +. +.Pp +Normally the parameter +.Fa flush +is set to +.Dv Z_NO_FLUSH , +which allows +.Fn deflate +to decide how much data to accumulate before producing output, +in order to maximize compression. +. +.Pp +If the parameter +.Fa flush +is set to +.Dv Z_SYNC_FLUSH , +all pending output is flushed to the output buffer +and the output is aligned on a byte boundary, +so that the decompressor can get all input data available so far. +.Po +In particular +.Fa avail_in +is zero after the call if enough output space +has been provided before the call. +.Pc \& +Flushing may degrade compression for some compression algorithms +and so it should be used only when necessary. +This completes the current deflate block +and follows it with an empty stored block +that is three bits plus filler bits to the next byte, +followed by four bytes +(00 00 ff ff). +. +.Pp +If +.Fa flush +is set to +.Dv Z_PARTIAL_FLUSH , +all pending output is flushed to the output buffer, +but the output is not aligned to a byte boundary. +All of the input data so far will be available to the decompressor, +as for +.Dv Z_SYNC_FLUSH . +This completes the current deflate block +and follows it with an empty fixed codes block +that is 10 bits long. +This assures that enough bytes are output +in order for the decompressor to finish the block +before the empty fixed codes block. +. +.Pp +If +.Fa flush +is set to +.Dv Z_BLOCK , +a deflate block is completed and emitted, +as for +.Dv Z_SYNC_FLUSH , +but the output is not aligned on a byte boundary, +and up to seven bits of the current block +are held to be written as the next byte +after the next deflate block is completed. +In this case, +the decompressor may not be provided enough bits +at this point in order to complete decompression +of the data provided so far to the compressor. +It may need to wait for the next block to be emitted. +This is for advanced applications +that need to control the emission of deflate blocks. +. +.Pp +If +.Fa flush +is set to +.Dv Z_FULL_FLUSH , +all output is flushed as with +.Dv Z_SYNC_FLUSH , +and the compression state is reset +so that decompression can restart from this point +if previous compressed data has been damaged +or if random access is desired. +Using +.Dv Z_FULL_FLUSH +too often can seriously degrade compression. +. +.Pp +If +.Fn deflate +returns with +.Fa avail_out +== 0, +this function must be called again +with the same value of the +.Fa flush +parameter +and more output space +.Po +updated +.Fa avail_out +.Pc , +until the flush is complete +.Po +.Fn deflate +returns with non-zero +.Fa avail_out +.Pc . +In the case of a +.Dv Z_FULL_FLUSH +or +.Dv Z_SYNC_FLUSH , +make sure that +.Fa avail_out +is greater than six +to avoid repeated flush markers +due to +.Fa avail_out +== 0 +on return. +. +.Pp +If the parameter +.Fa flush +is set to +.Dv Z_FINISH , +pending input is processed, +pending output is flushed and +.Fn deflate +returns with +.Dv Z_STREAM_END +if there was enough output space. +If +.Fn deflate +returns with +.Dv Z_OK +or +.Dv Z_BUF_ERROR , +this function must be called again with +.Dv Z_FINISH +and more output space +.Pq updated Fa avail_out +but no more input data, +until it returns with +.Dv Z_STREAM_END +or an error. +After +.Fn deflate +has returned +.Dv Z_STREAM_END , +the only possible operations on the stream are +.Xr deflateReset 3 +or +.Xr deflateEnd 3 . +. +.Pp +.Dv Z_FINISH +can be used in the first +.Fn deflate +call after +.Xr deflateInit 3 +if all the compression is to be done in a single step. +In order to complete in one call, +.Fa avail_out +must be at least the value returned by +.Xr deflateBound 3 . +Then +.Fn deflate +is guaranteed to return +.Dv Z_STREAM_END . +If not enough output space is provided, +.Fn deflate +will not return +.Dv Z_STREAM_END , +and it must be called again as described above. +. +.Pp +.Fn deflate +sets +.Fa strm->adler +to the Adler-32 checksum +of all input read so far +.Po +that is, +.Fa total_in +bytes +.Pc . +If a gzip stream is being generated, +then +.Fa strm->adler +will be the CRC-32 checksum of the input read so far. +See +.Xr deflateInit2 3 . +. +.Pp +.Fn deflate +may update +.Fa strm->data_type +if it can make a good guess +about the input data type +.Po +.Dv Z_BINARY +or +.Dv Z_TEXT +.Pc . +If in doubt, +the date is considered binary. +This field is only for information purposes +and does not affect the compression algorithm in any manner. +. +.Sh RETURN VALUES +.Fn deflate +returns +.Dv Z_OK +if some progress has been made +(more input processed or more output produced), +.Dv Z_STREAM_END +if all input has been consumed +and all output has been produced +.Po +only when +.Fa flush +is set to +.Dv Z_FINISH +.Pc , +.Dv Z_STREAM_ERROR +if the stream state was inconsistent +.Po +for example if +.Fa next_in +or +.Fa next_out +was +.Dv Z_NULL +or the state was inadvertently written over +by the application +.Pc , +or +.Dv Z_BUF_ERROR +if no progress is possible +.Po +for example +.Fa avail_in +or +.Fa avail_out +was zero +.Pc . +Note that +.Dv Z_BUF_ERROR +is not fatal, +and +.Fn deflate +can be called again with more input and more output space +to continue compressing. +. +.Sh SEE ALSO +.Xr deflateEnd 3 , +.Xr deflateInit 3 , +.Xr deflatePending 3 , +.Xr inflate 3 +. +.Sh HISTORY +This manual page was converted from +.In zlib.h +to mdoc format by +.An June McEnroe Aq Mt june@causal.agency . +. +.Sh AUTHORS +.An Jean-loup Gailly Aq Mt jloup@gzip.org +.An Mark Adler Aq Mt madler@alumni.caltech.edu diff --git a/doc/zlib/deflateBound.3 b/doc/zlib/deflateBound.3 new file mode 100644 index 00000000..be97494c --- /dev/null +++ b/doc/zlib/deflateBound.3 @@ -0,0 +1,71 @@ +.Dd January 15, 2017 +.Dt DEFLATEBOUND 3 +.Os +. +.Sh NAME +.Nm deflateBound +.Nd compressed size upper bound +. +.Sh LIBRARY +.Lb libz +. +.Sh SYNOPSIS +.In zlib.h +.Ft uLong +.Fn deflateBound "z_streamp strm" "uLong sourceLen" +. +.Sh DESCRIPTION +.Fn deflateBound +returns an upper bound +on the compressed size +after deflation of +.Fa sourceLen +bytes. +It must be called after +.Xr deflateInit 3 +or +.Xr deflateInit2 3 , +and after +.Xr deflateSetHeader 3 , +if used. +This would be used +to allocate an output buffer +for deflation in a single pass, +and so would be called before +.Xr deflate 3 . +If that first +.Fn deflate +call is provided the +.Fa sourceLen +input bytes, +an output buffer allocated +to the size returned by +.Fn deflateBound , +and the flush value +.Dv Z_FINISH , +then +.Fn deflate +is guaranteed to return +.Dv Z_STREAM_END . +Note that it is possible +for the compressed size +to be larger than the value returned by +.Fn deflateBound +if flush options other than +.Dv Z_FINISH +or +.Dv Z_NO_FLUSH +are used. +. +.Sh SEE ALSO +.Xr compressBound 3 +. +.Sh HISTORY +This manual page was converted from +.In zlib.h +to mdoc format by +.An June McEnroe Aq Mt june@causal.agency . +. +.Sh AUTHORS +.An Jean-loup Gailly Aq Mt jloup@gzip.org +.An Mark Adler Aq Mt madler@alumni.caltech.edu diff --git a/doc/zlib/deflateCopy.3 b/doc/zlib/deflateCopy.3 new file mode 100644 index 00000000..f20e0a9e --- /dev/null +++ b/doc/zlib/deflateCopy.3 @@ -0,0 +1,66 @@ +.Dd January 15, 2017 +.Dt DEFLATECOPY 3 +.Os +. +.Sh NAME +.Nm deflateCopy +.Nd copy deflate stream +. +.Sh LIBRARY +.Lb libz +. +.Sh SYNOPSIS +.In zlib.h +.Ft int +.Fn deflateCopy "z_streamp dest" "z_streamp source" +. +.Sh DESCRIPTION +Sets the destination stream +as a complete copy of the source stream. +. +.Pp +This function can be useful when +several compression strategies will be tried, +for example when there are several ways of +pre-processing the input data with a filter. +The streams that will be discarded +should then be freed by calling +.Xr deflateEnd 3 . +Note that +.Fn deflateCopy +duplicates the internal compression state +which can be quite large, +so this strategy is slow +and can consume lots of memory. +. +.Sh RETURN VALUES +.Fn deflateCopy +returns +.Dv Z_OK +if success, +.Dv Z_MEM_ERROR +if there was not enough memory, +.Dv Z_STREAM_ERROR +if the source stream state was inconsistent +.Po +such as +.Fa zalloc +being +.Dv Z_NULL +.Pc . +.Fa msg +is left unchanged +in both source and destination. +. +.Sh SEE ALSO +.Xr deflateInit 3 +. +.Sh HISTORY +This manual page was converted from +.In zlib.h +to mdoc format by +.An June McEnroe Aq Mt june@causal.agency . +. +.Sh AUTHORS +.An Jean-loup Gailly Aq Mt jloup@gzip.org +.An Mark Adler Aq Mt madler@alumni.caltech.edu diff --git a/doc/zlib/deflateEnd.3 b/doc/zlib/deflateEnd.3 new file mode 100644 index 00000000..0abaabe1 --- /dev/null +++ b/doc/zlib/deflateEnd.3 @@ -0,0 +1,50 @@ +.Dd January 15, 2017 +.Dt DEFLATEEND 3 +.Os +. +.Sh NAME +.Nm deflateEnd +.Nd free deflate stream +. +.Sh LIBRARY +.Lb libz +. +.Sh SYNOPSIS +.In zlib.h +.Ft int +.Fn deflateEnd "z_streamp strm" +. +.Sh DESCRIPTION +All dynamically allocated data structures +for this stream are freed. +This function discards any unprocessed input +and does not flush any pending output. +. +.Sh RETURN VALUES +.Fn deflateEnd +returns +.Dv Z_OK +if success, +.Dv Z_STREAM_ERROR +if the stream state was inconsistent, +.Dv Z_DATA_ERROR +if the stream was freed prematurely +(some input or output was discarded). +In the error case, +.Fa msg +may be set but then points to a static string +(which must not be deallocated). +. +.Sh SEE ALSO +.Xr deflate 3 , +.Xr deflateInit 3 +. +.Sh HISTORY +This manual page was converted from +.In zlib.h +to mdoc format by +.An June McEnroe Aq Mt june@causal.agency . +. +.Sh AUTHORS +.An Jean-loup Gailly Aq Mt jloup@gzip.org +.An Mark Adler Aq Mt madler@alumni.caltech.edu diff --git a/doc/zlib/deflateGetDictionary.3 b/doc/zlib/deflateGetDictionary.3 new file mode 100644 index 00000000..b9dabfe2 --- /dev/null +++ b/doc/zlib/deflateGetDictionary.3 @@ -0,0 +1,79 @@ +.Dd January 15, 2017 +.Dt DEFLATEGETDICTIONARY 3 +.Os +. +.Sh NAME +.Nm deflateGetDictionary +.Nd deflate sliding dictionary +. +.Sh LIBRARY +.Lb libz +. +.Sh SYNOPSIS +.In zlib.h +.Ft int +.Fo deflateGetDictionary +.Fa "z_streamp strm" +.Fa "Bytef *dictionary" +.Fa "uInt *dictLength" +.Fc +. +.Sh DESCRIPTION +Returns the sliding dictionary +being maintained by deflate. +.Fa dictLength +is set to the number of bytes in the dictionary, +and that many bytes are copied to +.Fa dictionary . +.Fa dictionary +must have enough space, +where 32768 bytes is always enough. +If +.Fn deflateGetDictionary +is called with +.Fa dictionary +equal to +.Dv Z_NULL , +then only the dictionary length is returned, +and nothing is copied. +Similarly, +if +.Fa dictLength +is +.Dv Z_NULL , +then it is not set. +. +.Pp +.Fn deflateGetDictionary +may return a length less than the window size, +even when more than the window size in input +has been provided. +It may return up to 258 bytes less in that case, +due to how zlib's implementation of deflate +manages the sliding window and lookahead for matches, +where matches can be up to 258 bytes long. +If the application needs the last window-size bytes of input, +then that would need to be saved by the application +outside of zlib. +. +.Sh RETURN VALUES +.Fn deflateGetDictionary +returns +.Dv Z_OK +on success, +or +.Dv Z_STREAM_ERROR +if the stream state is inconsistent. +. +.Sh SEE ALSO +.Xr deflateSetDictionary 3 +. +.Sh HISTORY +This manual page was converted from +.In zlib.h +to mdoc format by +.An June McEnroe Aq Mt june@causal.agency . +. +.Sh AUTHORS +.An Jean-loup Gailly Aq Mt jloup@gzip.org +.An Mark Adler Aq Mt madler@alumni.caltech.edu diff --git a/doc/zlib/deflateInit.3 b/doc/zlib/deflateInit.3 new file mode 100644 index 00000000..52179883 --- /dev/null +++ b/doc/zlib/deflateInit.3 @@ -0,0 +1,178 @@ +.Dd January 15, 2017 +.Dt DEFLATEINIT 3 +.Os +. +.Sh NAME +.Nm deflateInit +.Nd initialize deflate stream +. +.Sh LIBRARY +.Lb libz +. +.Sh SYNOPSIS +.In zlib.h +. +.Ft typedef voidpf +.Fo (*alloc_func) +.Fa "voidpf opaque" +.Fa "uInt items" +.Fa "uInt size" +.Fc +. +.Ft typedef void +.Fo (*free_func) +.Fa "voidpf opaque" +.Fa "voidpf address" +.Fc +. +.Bd -literal +typedef struct z_stream_s { + z_const Bytef *next_in; + uInt avail_in; + uLong total_in; + + Bytef *next_out; + uInt avail_out; + uLong total_out; + + z_const char *msg; + struct internal_state FAR *state; + + alloc_func zalloc; + free_func zfree; + voidpf opaque; + + int data_type; + uLong adler; + uLong reserved; +} z_stream; +.Ed +. +.Pp +.Vt typedef z_stream FAR *z_streamp; +. +.Ft int +.Fn deflateInit "z_streamp strm" "int level" +. +.Sh DESCRIPTION +Initializes the internal stream state for compression. +The fields +.Fa zalloc , +.Fa zfree +and +.Fa opaque +must be initialized before by the caller. +If +.Fa zalloc +and +.Fa zfree +are set to +.Dv Z_NULL , +.Fn deflateInit +updates them to use default allocation functions. +.Fn deflateInit +does not perform any compression: +this will be done by +.Xr deflate 3 . +. +.Pp +The compression +.Fa level +must be +.Dv Z_DEFAULT_COMPRESSION , +or between 0 and 9: +1 gives best speed, +9 gives best compression, +0 gives no compression at all +(the input data is simply copied a block at a time). +.Dv Z_DEFAULT_COMPRESSION +requests a default compromise between speed and compression +(currently equivalent to level 6). +. +.Pp +The fields of +.Vt z_stream +are as follows: +. +.Bl -tag -width "data_type" +.It Fa next_in +next input byte +.It Fa avail_in +number of bytes available at +.Fa next_in +.It Fa total_in +total number of input bytes read so far +.It Fa next_out +next output byte will go here +.It Fa avail_out +remaining free space at +.Fa next_out +.It Fa total_out +total number of bytes output so far +.It Fa msg +last error message, +.Dv NULL +if no error +.It Fa state +not visible by applications +.It Fa zalloc +used to allocate the internal state +.It Fa zfree +used to free the internal state +.It Fa opaque +private data object passed to +.Fa zalloc +and +.Fa zfree +.It data_type +best guess about the data type: +binary or text for +.Xr deflate 3 , +or the decoding state for +.Xr inflate 3 +.It adler +Adler-32 or CRC-32 value of the uncompressed data +.It reserved +reserved for future use +.El +. +.Sh RETURN VALUES +.Fn deflateInit +returns +.Dv Z_OK +if success, +.Dv Z_MEM_ERROR +if there was not enough memory, +.Dv Z_STREAM_ERROR +if +.Fa level +is not a valid compression level, +or +.Dv Z_VERSION_ERROR +if the zlib library version +.Pq Xr zlibVersion 3 +is incompatible with the version assumed by the caller +.Pq Dv ZLIB_VERSION . +.Fa msg +is set to null +if there is no error message. +. +.Sh SEE ALSO +.Xr deflate 3 , +.Xr deflateCopy 3 , +.Xr deflateEnd 3 , +.Xr deflateInit2 3 , +.Xr deflatePrime 3 , +.Xr deflateReset 3 , +.Xr deflateSetDictionary 3 , +.Xr deflateTune 3 +. +.Sh HISTORY +This manual page was converted from +.In zlib.h +to mdoc format by +.An June McEnroe Aq Mt june@causal.agency . +. +.Sh AUTHORS +.An Jean-loup Gailly Aq Mt jloup@gzip.org +.An Mark Adler Aq Mt madler@alumni.caltech.edu diff --git a/doc/zlib/deflateInit2.3 b/doc/zlib/deflateInit2.3 new file mode 100644 index 00000000..a7d68b99 --- /dev/null +++ b/doc/zlib/deflateInit2.3 @@ -0,0 +1,227 @@ +.Dd January 15, 2017 +.Dt DEFLATEINIT2 3 +.Os +. +.Sh NAME +.Nm deflateInit2 +.Nd deflate compression options +. +.Sh LIBRARY +.Lb libz +. +.Sh SYNOPSIS +.In zlib.h +.Ft int +.Fo deflateInit2 +.Fa "z_streamp strm" +.Fa "int level" +.Fa "int method" +.Fa "int windowBits" +.Fa "int memLevel" +.Fa "int strategy" +.Fc +. +.Sh DESCRIPTION +This is another version of +.Xr deflateInit 3 +with more compression options. +The fields +.Fa next_in , +.Fa zalloc , +.Fa zfree +and +.Fa opaque +must be initialized before by the caller. +. +.Pp +The +.Fa method +parameter is the compression method. +It must be +.Dv Z_DEFLATED +in this version of the library. +. +.Pp +The +.Fa windowBits +parameter is the base two logarithm +of the window size +(the size of the history buffer). +It should be in the range 8..15 +for this version of the library. +Larger values of this parameter +result in better compression +at the expense of memory usage. +The default value is 15 if +.Xr deflateInit 3 +is used instead. +. +.Pp +For the current implementation of +.Xr deflate 3 , +a +.Fa windowBits +value of 8 +(a window size of 256 bytes) +is not supported. +As a result, +a request for 8 +will result in 9 +(a 512-byte window). +In that case, +providing 8 to +.Xr inflateInit2 3 +will result in an error +when the zlib header with 9 +is checked against the initialization of +.Xr inflate 3 . +The remedy is to not use 8 with +.Fn deflateInit2 +with this initialization, +or at least in that case use 9 with +.Xr inflateInit2 3 . +. +.Pp +.Fa windowBits +can also be -8..-15 for raw deflate. +In this case, +.Fa -windowBits +determines the window size. +.Xr deflate 3 +will then generate raw deflate data +with no zlib header or trailer, +and will not compute a check value. +. +.Pp +.Fa windowBits +can also be greater than 15 +for optional gzip encoding. +Add 16 to +.Fa windowBits +to write a simple gzip header and trailer +around the compressed data +instead of a zlib wrapper. +The gzip header will have +no file name, +no extra data, +no comment, +no modification time (set to zero), +no header CRC, +and the operating system will be set +to the appropriate value, +if the operating system was determined at compile time. +If a gzip stream is being written, +.Fa strm->adler +is a CRC-32 instead of an Adler-32. +. +.Pp +For raw deflate or gzip encoding, +a request for a 256-byte window +is rejected as invalid, +since only the zlib header provides +a means of transmitting the window size +to the decompressor. +. +.Pp +The +.Fa memLevel +parameter specifies how much memory should be allocated +for the internal compression state. +.Fa memLevel=1 +uses minimum memory +but is slow and reduces compression ratio; +.Fa memLevel=9 +uses maximum memory for optimal speed. +The default value is 8. +See +.In zconf.h +for total memory usage +as a function of +.Fa windowBits +and +.Fa memLevel . +. +.Pp +The +.Fa strategy +parameter is used to tune the compression algorithm. +Use the value +.Dv Z_DEFAULT_STRATEGY +for normal data, +.Dv Z_FILTERED +for data produced by a filter +(or predictor), +.Dv Z_HUFFMAN_ONLY +to force Huffman encoding only +(no string match), +or +.Dv Z_RLE +to limit match distances to one +(run-length encoding). +Filtered data consists mostly of small values +with a somewhat random distribution. +In this case, +the compression algorithm +is tuned to compress them better. +The effect of +.Dv Z_FILTERED +is to force more Huffman coding +and less string matching; +it is somewhat intermediate between +.Dv Z_DEFAULT_STRATEGY +and +.Dv Z_HUFFMAN_ONLY . +.Dv Z_RLE +is designed to be almost as fast as +.Dv Z_HUFFMAN_ONLY , +but give better compression for PNG image data. +The +.Fa strategy +parameter only affects the compression ratio +but not the correctness of the compressed output +even if it is not set appropriately. +.Dv Z_FIXED +prevents the use of dynamic Huffman codes, +allowing for a simpler decoder +for special applications. +. +.Pp +.Fn deflateInit2 +does not perform any compression: +this will be done by +.Xr deflate 3 . +. +.Sh RETURN VALUES +.Fn deflateInit2 +returns +.Dv Z_OK +if success, +.Dv Z_MEM_ERROR +if there was not enough memory, +.Dv Z_STREAM_ERROR +if any parameter is invalid +(such as invalid method), +or +.Dv Z_VERSION_ERROR +if the zlib library version +.Pq Xr zlibVersion 3 +is incompatible with the version assumed by the caller +.Pq Dv ZLIB_VERSION . +.Fa msg +is set to null if there is no error message. +. +.Sh SEE ALSO +.Xr deflate 3 , +.Xr deflateInit 3 , +.Xr deflateParams 3 , +.Xr deflateSetHeader 3 +. +.Sh HISTORY +This manual page was converted from +.In zlib.h +to mdoc format by +.An June McEnroe Aq Mt june@causal.agency . +. +.Sh AUTHORS +.An Jean-loup Gailly Aq Mt jloup@gzip.org +.An Mark Adler Aq Mt madler@alumni.caltech.edu diff --git a/doc/zlib/deflateParams.3 b/doc/zlib/deflateParams.3 new file mode 100644 index 00000000..9eb5ca16 --- /dev/null +++ b/doc/zlib/deflateParams.3 @@ -0,0 +1,123 @@ +.Dd January 15, 2017 +.Dt DEFLATEPARAMS 3 +.Os +. +.Sh NAME +.Nm deflateParams +.Nd update compression level and strategy +. +.Sh LIBRARY +.Lb libz +. +.Sh SYNOPSIS +.In zlib.h +.Ft int +.Fn deflateParams "z_streamp strm" "int level" "int strategy" +. +.Sh DESCRIPTION +Dynamically update the compression level +and compression strategy. +The interpretation of +.Fa level +and +.Fa strategy +is as in +.Xr deflateInit2 3 . +This can be used to switch between compression +and straight copy of the input data, +or to switch to a different kind of input data +requiring a different strategy. +If the compression approach +(which is a function of the level) +or the strategy is changed, +and if any input has been consumed +in a previous +.Xr deflate 3 +call, +then the input available so far is compressed +with the old level and strategy using +.Fn deflate strm Z_BLOCK . +There are three approaches +for the compression levels +0, 1..3, and 4..9 respectively. +The new level and strategy +will take effect at the next call of +.Xr deflate 3 . +. +.Pp +If a +.Fn deflate strm Z_BLOCK +is performed by +.Fn deflateParams , +and it does not have enough output space to complete, +then the parameter change will not take effect. +In this case, +.Fn deflateParams +can be called again +with the same parameters +and more output space +to try again. +. +.Pp +In order to assure a change in the parameters +on the first try, +the deflate stream should be flushed using +.Xr deflate 3 +with +.Dv Z_BLOCK +or other flush request until +.Fa strm.avail_out +is not zero, +before calling +.Fn deflateParams . +Then no more input data +should be provided before the +.Fn deflateParams +call. +If this is done, +the old level and strategy +will be applied +to the data compressed before +.Fn deflateParams , +and the new level and strategy +will be applied +to the data compressed after +.Fn deflateParams . +. +.Sh RETURN VALUES +.Fn deflateParams +returns +.Dv Z_OK +on success, +.Dv Z_STREAM_ERROR +if the source stream state was inconsistent +or if a parameter was invalid, +or +.Dv Z_BUF_ERROR +if there was not enough output space +to complete the compression +of the available input data +before a change in the strategy or approach. +Note that in the case of a +.Dv Z_BUF_ERROR , +the parameters are not changed. +A return value of +.Dv Z_BUF_ERROR +is not fatal, +in which case +.Fn deflateParams +can be retried +with more output space. +. +.Sh SEE ALSO +.Xr deflateInit2 3 +. +.Sh HISTORY +This manual page was converted from +.In zlib.h +to mdoc format by +.An June McEnroe Aq Mt june@causal.agency . +. +.Sh AUTHORS +.An Jean-loup Gailly Aq Mt jloup@gzip.org +.An Mark Adler Aq Mt madler@alumni.caltech.edu diff --git a/doc/zlib/deflatePending.3 b/doc/zlib/deflatePending.3 new file mode 100644 index 00000000..35fa6d38 --- /dev/null +++ b/doc/zlib/deflatePending.3 @@ -0,0 +1,56 @@ +.Dd January 15, 2017 +.Dt DEFLATEPENDING 3 +.Os +. +.Sh NAME +.Nm deflatePending +.Nd pending deflate output +. +.Sh LIBRARY +.Lb libz +. +.Sh SYNOPSIS +.In zlib.h +.Ft int +.Fn deflatePending "z_streamp strm" "unsigned *pending" "int *bits" +. +.Sh DESCRIPTION +.Fn deflatePending +returns the number of bytes and bits +of output that have been generated, +but not yet provided in the available output. +The bytes not provided would be due to +the available output space having been consumed. +The number of bits of output not provided +are between 0 and 7, +where they await more bits to join them +in order to fill out a full byte. +If +.Fa pending +or +.Fa bits +are +.Dv Z_NULL , +then those values are not set. +. +.Sh RETURN VALUES +.Fn deflatePending +returns +.Dv Z_OK +if success, +or +.Dv Z_STREAM_ERROR +if the source stream state was inconsistent. +. +.Sh SEE ALSO +.Xr deflate 3 +. +.Sh HISTORY +This manual page was converted from +.In zlib.h +to mdoc format by +.An June McEnroe Aq Mt june@causal.agency . +. +.Sh AUTHORS +.An Jean-loup Gailly Aq Mt jloup@gzip.org +.An Mark Adler Aq Mt madler@alumni.caltech.edu diff --git a/doc/zlib/deflatePrime.3 b/doc/zlib/deflatePrime.3 new file mode 100644 index 00000000..10a2924b --- /dev/null +++ b/doc/zlib/deflatePrime.3 @@ -0,0 +1,64 @@ +.Dd January 15, 2017 +.Dt DEFLATEPRIME 3 +.Os +. +.Sh NAME +.Nm deflatePrime +.Nd insert bits in deflate stream +. +.Sh LIBRARY +.Lb libz +. +.Sh SYNOPSIS +.In zlib.h +.Ft int +.Fn deflatePrime "z_streamp strm" "int bits" "int value" +. +.Sh DESCRIPTION +.Fn deflatePrime +inserts bits in the deflate output stream. +The intent is that this function +is used to start off the deflate output +with the bits leftover +from a previous deflate stream +when appending to it. +As such, +this function can only be used for raw deflate, +and must be used before the first +.Xr deflate 3 +call +after a +.Xr deflateInit2 3 +or +.Xr deflateReset 3 . +.Fa bits +must be less than or equal to 16, +and that many of the least significant bits of +.Fa value +will be inserted in the output. +. +.Sh RETURN VALUES +.Fn deflatePrime +returns +.Dv Z_OK +if success, +.Dv Z_BUF_ERROR +if there was not enough room +in the internal buffer +to insert the bits, +or +.Dv Z_STREAM_ERROR +if the source stream state was inconsistent. +. +.Sh SEE ALSO +.Xr deflateInit2 3 +. +.Sh HISTORY +This manual page was converted from +.In zlib.h +to mdoc format by +.An June McEnroe Aq Mt june@causal.agency . +. +.Sh AUTHORS +.An Jean-loup Gailly Aq Mt jloup@gzip.org +.An Mark Adler Aq Mt madler@alumni.caltech.edu diff --git a/doc/zlib/deflateReset.3 b/doc/zlib/deflateReset.3 new file mode 100644 index 00000000..1a18c507 --- /dev/null +++ b/doc/zlib/deflateReset.3 @@ -0,0 +1,57 @@ +.Dd January 15, 2017 +.Dt DEFLATERESET 3 +.Os +. +.Sh NAME +.Nm deflateReset +.Nd reset deflate stream +. +.Sh LIBRARY +.Lb libz +. +.Sh SYNOPSIS +.In zlib.h +.Ft int +.Fn deflateReset "z_streamp strm" +. +.Sh DESCRIPTION +This function is equivalent to +.Xr deflateEnd 3 +followed by +.Xr deflateInit 3 , +but does not free and reallocate +the internal compression state. +The stream will leave the compression level +and any other attributes +that may have been set unchanged. +. +.Sh RETURN VALUES +.Fn deflateReset +returns +.Dv Z_OK +if success, +or +.Dv Z_STREAM_ERROR +if the source stream state was inconsistent +.Po +such as +.Fa zalloc +or +.Fa state +being +.Dv Z_NULL +.Pc . +. +.Sh SEE ALSO +.Xr deflateEnd 3 , +.Xr deflateInit 3 +. +.Sh HISTORY +This manual page was converted from +.In zlib.h +to mdoc format by +.An June McEnroe Aq Mt june@causal.agency . +. +.Sh AUTHORS +.An Jean-loup Gailly Aq Mt jloup@gzip.org +.An Mark Adler Aq Mt madler@alumni.caltech.edu diff --git a/doc/zlib/deflateSetDictionary.3 b/doc/zlib/deflateSetDictionary.3 new file mode 100644 index 00000000..3e66d3cf --- /dev/null +++ b/doc/zlib/deflateSetDictionary.3 @@ -0,0 +1,142 @@ +.Dd January 15, 2017 +.Dt DEFLATESETDICTIONARY 3 +.Os +. +.Sh NAME +.Nm deflateSetDictionary +.Nd initialize compression dictionary +. +.Sh LIBRARY +.Lb libz +. +.Sh SYNOPSIS +.In zlib.h +.Ft int +.Fo deflateSetDictionary +.Fa "z_streamp strm" +.Fa "const Bytef *dictionary" +.Fa "uInt dictLength" +.Fc +. +.Sh DESCRIPTION +.Fn deflateSetDictionary +initializes the compression dictionary +from the given byte sequence +without producing any compressed output. +When using the zlib format, +this function must be called immediately after +.Xr deflateInit 3 , +.Xr deflateInit2 3 , +or +.Xr deflateReset 3 , +and before any call of +.Xr deflate 3 . +When doing raw deflate, +this function must be called +either before any call of +.Xr deflate 3 , +or immediately after the completion of a deflate block, +i.e. after all input has been consumed +and all output has been delivered +when using any of the flush options +.Dv Z_BLOCK , +.Dv Z_PARTIAL_FLUSH , +.Dv Z_SYNC_FLUSH , +or +.Dv Z_FULL_FLUSH . +The compressor and decompressor +must use exactly the same dictionary +.Po +see +.Xr inflateSetDictionary 3 +.Pc . +. +.Pp +The dictionary should consist of strings +(byte sequences) +that are likely to be encountered later +in the data to be compressed, +with the most commonly used strings +preferably put towards the end of the dictionary. +Using a dictionary is most useful +when the data to be compressed is short +and can be predicted with good accuracy; +the data can then be compressed better than +with the default empty dictionary. +. +.Pp +Depending on the size of +the compression data structures selected by +.Xr deflateInit 3 +or +.Xr deflateInit2 3 , +a part of the dictionary may in effect be discarded, +for example if the dictionary is larger +than the window size provided in +.Xr deflateInit 3 +or +.Xr deflateInit2 3 . +Thus the strings most likely to be useful +should be put at the end of the dictionary, +not at the front. +In addition, +the current implementation of deflate +will use at most the window size minus 262 bytes +of the provided dictionary. +. +.Pp +Upon return of this function, +.Fa strm->adler +is set to the Adler-32 value +of the dictionary; +the decompressor may later use this value +to determine which dictionary has been used +by the compressor. +(The Adler-32 value applies to the whole dictionary +even if only a subset of the dictionary +is actually used by the compressor.) +If a raw deflate was requested, +then the Adler-32 value is not computed and +.Fa strm->adler +is not set. +. +.Pp +.Fn deflateSetDictionary +does not perform any compression: +this will be done by +.Xr deflate 3 . +. +.Sh RETURN VALUES +.Fn deflateSetDictionary +returns +.Dv Z_OK +if success, +or +.Dv Z_STREAM_ERROR +if a parameter is invalid +.Po +e.g. dictionary being +.Dv Z_NULL +.Pc +or the stream state is inconsistent +.Po +for example if +.Xr deflate 3 +has already been called for this stream +or if not at a block boundary +for raw deflate +.Pc . +. +.Sh SEE ALSO +.Xr deflateGetDictionary 3 , +.Xr inflateSetDictionary 3 +. +.Sh HISTORY +This manual page was converted from +.In zlib.h +to mdoc format by +.An June McEnroe Aq Mt june@causal.agency . +. +.Sh AUTHORS +.An Jean-loup Gailly Aq Mt jloup@gzip.org +.An Mark Adler Aq Mt madler@alumni.caltech.edu diff --git a/doc/zlib/deflateSetHeader.3 b/doc/zlib/deflateSetHeader.3 new file mode 100644 index 00000000..03d4f4d3 --- /dev/null +++ b/doc/zlib/deflateSetHeader.3 @@ -0,0 +1,180 @@ +.Dd January 15, 2017 +.Dt DEFLATESETHEADER 3 +.Os +. +.Sh NAME +.Nm deflateSetHeader +.Nd set gzip header +. +.Sh LIBRARY +.Lb libz +. +.Sh SYNOPSIS +.In zlib.h +. +.Bd -literal +typedef struct gz_header_s { + int text; + uLong time; + int xflags; + int os; + Bytef *extra; + uInt extra_len; + uInt extra_max; + Bytef *name; + uInt name_max; + Bytef *comment; + uInt comm_max; + int hcrc; + int done; +} gz_header; +.Ed +. +.Pp +.Vt typedef gz_header FAR *gz_headerp; +. +.Ft int +.Fn deflateSetHeader "z_streamp strm" "gz_headerp head" +. +.Sh DESCRIPTION +.Fn deflateSetHeader +provides gzip header information +for when a gzip stream +is requested by +.Xr deflateInit2 3 . +.Fn deflateSetHeader +may be called after +.Xr deflateInit2 3 +or +.Xr deflateReset 3 +and before the first call of +.Xr deflate 3 . +The +text, +time, +OS, +extra field, +name, +and comment +information in the provided +.Vt gz_header +structure +are written to the gzip header +.Po +.Fa xflag +is ignored \(em +the extra flags are set +according to the compression level +.Pc . +The caller must assure that, +if not +.Dv Z_NULL , +.Fa name +and +.Fa comment +are terminated with a zero byte, +and that if +.Fa extra +is not +.Dv Z_NULL , +that +.Fa extra_len +bytes are available there. +If +.Fa hcrc +is true, +a gzip header CRC is included. +Note that the current versions +of the command-line version of +.Xr gzip 1 +(up through version 1.3.x) +do not support header CRCs, +and will report that it is a +"multi-part gzip file" +and give up. +. +.Pp +If +.Fn deflateSetHeader +is not used, +the default gzip header has +text false, +the time set to zero, +and OS set to 255, +with no extra, name, or comment fields. +The gzip header is returned +to the default state by +.Xr deflateReset 3 . +. +.Pp +The fields of +.Vt gz_header +are as follows: +. +.Bl -tag -width "extra_len" +.It Fa text +true if compressed data believed to be text +.It Fa time +modification time +.It Fa xflags +extra flags +(not used when writing a gzip file) +.It Fa os +operating system +.It Fa extra +pointer to extra field or +.Dv Z_NULL +if none +.It Fa extra_len +extra field length +.Po +valid if +.Fa extra +!= +.Dv Z_NULL +.Pc +.It Fa extra_max +space at extra +(only when reading header) +.It Fa name +pointer to zero-terminated file name or +.Dv Z_NULL +.It Fa name_max +space at +.Fa name +(only when reading header) +.It Fa comment +pointer to zero-terminated comment or +.Dv Z_NULL +.It Fa comm_max +space at comment +(only when reading header) +.It Fa hcrc +true if there was or will be a header CRC +.It Fa done +true when done reading gzip header +(not used when writing a gzip file) +.El +. +.Sh RETURN VALUES +.Fn deflateSetHeader +returns +.Dv Z_OK +if success, +or +.Dv Z_STREAM_ERROR +if the source stream state was inconsistent. +. +.Sh SEE ALSO +.Xr gzip 1 , +.Xr deflateInit2 3 +. +.Sh HISTORY +This manual page was converted from +.In zlib.h +to mdoc format by +.An June McEnroe Aq Mt june@causal.agency . +. +.Sh AUTHORS +.An Jean-loup Gailly Aq Mt jloup@gzip.org +.An Mark Adler Aq Mt madler@alumni.caltech.edu diff --git a/doc/zlib/deflateTune.3 b/doc/zlib/deflateTune.3 new file mode 100644 index 00000000..ea4dd915 --- /dev/null +++ b/doc/zlib/deflateTune.3 @@ -0,0 +1,70 @@ +.Dd January 15, 2017 +.Dt DEFLATETUNE 3 +.Os +. +.Sh NAME +.Nm deflateTune +.Nd fine tune compression parameters +. +.Sh LIBRARY +.Lb libz +. +.Sh SYNOPSIS +.In zlib.h +.Ft int +.Fo deflateTune +.Fa "z_streamp strm" +.Fa "int good_length" +.Fa "int max_lazy" +.Fa "int nice_length" +.Fa "int max_chain" +.Fc +. +.Sh DESCRIPTION +Fine tune deflate's internal compression parameters. +This should only be used +by someone who understands the algorithm +used by zlib's deflate +for searching for the best matching string, +and even then only by the most fanatic optimizer +trying to squeeze out the last compressed bit +for their specific input data. +Read the +.Pa deflate.c +source code for the meaning of the +.Fa max_lazy , +.Fa good_length , +.Fa nice_length , +and +.Fa max_chain +parameters. +. +.Pp +.Fn deflateTune +can be called after +.Xr deflateInit 3 +or +.Xr deflateInit2 3 . +. +.Sh RETURN VALUES +.Fn deflateTune +returns +.Dv Z_OK +on success, +or +.Dv Z_STREAM_ERROR +for an invalid deflate stream. +. +.Sh SEE ALSO +.Xr deflateInit 3 , +.Xr deflateInit2 3 +. +.Sh HISTORY +This manual page was converted from +.In zlib.h +to mdoc format by +.An June McEnroe Aq Mt june@causal.agency . +. +.Sh AUTHORS +.An Jean-loup Gailly Aq Mt jloup@gzip.org +.An Mark Adler Aq Mt madler@alumni.caltech.edu diff --git a/doc/zlib/gzbuffer.3 b/doc/zlib/gzbuffer.3 new file mode 100644 index 00000000..92438c48 --- /dev/null +++ b/doc/zlib/gzbuffer.3 @@ -0,0 +1,59 @@ +.Dd January 15, 2017 +.Dt GZBUFFER 3 +.Os +. +.Sh NAME +.Nm gzbuffer +.Nd set buffer size +. +.Sh LIBRARY +.Lb libz +. +.Sh SYNOPSIS +.In zlib.h +.Ft int +.Fn gzbuffer "gzFile file" "unsigned size" +. +.Sh DESCRIPTION +Set the internal buffer size +used by this library's functions. +The default buffer size is 8192 bytes. +This function must be called after +.Xr gzopen 3 +or +.Xr gzdopen 3 , +and before any other calls +that read or write the file. +The buffer memory allocation +is always deferred to the first read or write. +Three times that size in buffer space is allocated. +A larger buffer size of, +for example, +64K or 128K bytes +will noticeably increase the speed +of decompression (reading). +. +.Pp +The new buffer size also affects +the maximum length for +.Xr gzprintf 3 . +. +.Sh RETURN VALUES +.Fn gzbuffer +returns 0 on success, +or -1 on failure, +such as being called too late. +. +.Sh SEE ALSO +.Xr gzopen 3 , +.Xr gzprintf 3 +. +.Sh HISTORY +This manual page was converted from +.In zlib.h +to mdoc format by +.An June McEnroe Aq Mt june@causal.agency . +. +.Sh AUTHORS +.An Jean-loup Gailly Aq Mt jloup@gzip.org +.An Mark Adler Aq Mt madler@alumni.caltech.edu diff --git a/doc/zlib/gzclose.3 b/doc/zlib/gzclose.3 new file mode 100644 index 00000000..bfcc583e --- /dev/null +++ b/doc/zlib/gzclose.3 @@ -0,0 +1,97 @@ +.Dd January 15, 2017 +.Dt GZCLOSE 3 +.Os +. +.Sh NAME +.Nm gzclose , +.Nm gzclose_r , +.Nm gzclose_w +.Nd close compressed file +. +.Sh LIBRARY +.Lb libz +. +.Sh SYNOPSIS +.In zlib.h +.Ft int +.Fn gzclose "gzFile file" +.Ft int +.Fn gzclose_r "gzFile file" +.Ft int +.Fn gzclose_w "gzFile file" +. +.Sh DESCRIPTION +Flushes all pending output if necessary, +closes the compressed file +and deallocates the (de)compression state. +Note that once +.Fa file +is closed, +you cannot call +.Xr gzerror 3 +with +.Fa file , +since its structures +have been deallocated. +.Fn gzclose +must not be called more than once +on the same file, +just as +.Xr free 3 +must not be called more than once +on the same allocation. +. +.Pp +.Fn gzclose_r +and +.Fn gzclose_w +are the same as +.Fn gzclose , +but +.Fn gzclose_r +is only for use when reading, +and +.Fn gzclose_w +is only for use when writing or appending. +The advantage to using these instead of +.Fn gzclose +is that they avoid linking in +zlib compression or decompression code +that is not used when only reading +or only writing respectively. +If +.Fn gzclose +is used, +then both compression and decompression code +will be included in the application +when linking to a static zlib library. +. +.Sh RETURN VALUES +.Fn gzclose +will return +.Dv Z_STREAM_ERROR +if +.Fa file +is not valid, +.Dv Z_ERRNO +on a file operator error, +.Dv Z_MEM_ERROR +if out of memory, +.Dv Z_BUF_ERROR +if the last read ended in the middle of a gzip stream, +or +.Dv Z_OK +on success. +. +.Sh SEE ALSO +.Xr gzopen 3 +. +.Sh HISTORY +This manual page was converted from +.In zlib.h +to mdoc format by +.An June McEnroe Aq Mt june@causal.agency . +. +.Sh AUTHORS +.An Jean-loup Gailly Aq Mt jloup@gzip.org +.An Mark Adler Aq Mt madler@alumni.caltech.edu diff --git a/doc/zlib/gzdirect.3 b/doc/zlib/gzdirect.3 new file mode 100644 index 00000000..640fd4c5 --- /dev/null +++ b/doc/zlib/gzdirect.3 @@ -0,0 +1,85 @@ +.Dd January 15, 2017 +.Dt GZDIRECT 3 +.Os +. +.Sh NAME +.Nm gzdirect +.Nd check direct copy +. +.Sh LIBRARY +.Lb libz +. +.Sh SYNOPSIS +.In zlib.h +.Ft int +.Fn gzdirect "gzFile file" +. +.Sh DESCRIPTION +Returns true (1) if +.Fa file +is being copied directly while reading, +or false (0) if +.Fa file +is a gzip stream being decompressed. +. +.Pp +If the input file is empty, +.Fn gzdirect +will return true, +since the input does not contain a gzip stream. +. +.Pp +If +.Fn gzdirect +is used immediately after +.Xr gzopen 3 +or +.Xr gzdopen 3 +it will cause buffers to be allocated +to allow reading the file +to determine if it is a gzip file. +Therefore if +.Xr gzbuffer 3 +is used, +it should be called before +.Fn gzdirect . +. +.Pp +When writing, +.Fn gzdirect +returns true (1) +if transparent writing was requested +.Po +.Dq wT +for the +.Xr gzopen 3 +mode +.Pc , +or false (0) otherwise. +.Po +Note: +.Fn gzdirect +is not needed when writing. +Transparent writing +must be explicitly requested, +so the application already knows the answer. +When linking statically, +using +.Fn gzdirect +will include all of the zlib code +for gzip file reading and decompression, +which may not be desired. +.Pc +. +.Sh SEE ALSO +.Xr gzopen 3 +. +.Sh HISTORY +This manual page was converted from +.In zlib.h +to mdoc format by +.An June McEnroe Aq Mt june@causal.agency . +. +.Sh AUTHORS +.An Jean-loup Gailly Aq Mt jloup@gzip.org +.An Mark Adler Aq Mt madler@alumni.caltech.edu diff --git a/doc/zlib/gzeof.3 b/doc/zlib/gzeof.3 new file mode 100644 index 00000000..ba823aa6 --- /dev/null +++ b/doc/zlib/gzeof.3 @@ -0,0 +1,63 @@ +.Dd January 15, 2017 +.Dt GZEOF 3 +.Os +. +.Sh NAME +.Nm gzeof +.Nd check end-of-file indicator +. +.Sh LIBRARY +.Lb libz +. +.Sh SYNOPSIS +.In zlib.h +.Ft int +.Fn gzeof "gzFile file" +. +.Sh DESCRIPTION +Returns true (1) +if the end-of-file indicator +has been set while reading, +false (0) otherwise. +Note that the end-of-file indicator +is set only if the read +tried to go past the end of the input, +but came up short. +Therefore, +just like +.Xr feof 3 , +.Fn gzeof +may return false +even if there is no more data to read, +in the event that the last read request +was for the exact number of bytes +remaining in the input file. +This will happen if the input file size +is an exact multiple of the buffer size. +. +.Pp +If +.Fn gzeof +returns true, +then the read functions +will return no more data, +unless the end-of-file indicator +is reset by +.Xr gzclearerr 3 +and the input file +has grown since the previous +end of file was detected. +. +.Sh SEE ALSO +.Xr gzerror 3 , +.Xr gzread 3 +. +.Sh HISTORY +This manual page was converted from +.In zlib.h +to mdoc format by +.An June McEnroe Aq Mt june@causal.agency . +. +.Sh AUTHORS +.An Jean-loup Gailly Aq Mt jloup@gzip.org +.An Mark Adler Aq Mt madler@alumni.caltech.edu diff --git a/doc/zlib/gzerror.3 b/doc/zlib/gzerror.3 new file mode 100644 index 00000000..a9e175fc --- /dev/null +++ b/doc/zlib/gzerror.3 @@ -0,0 +1,75 @@ +.Dd January 15, 2017 +.Dt GZERROR 3 +.Os +. +.Sh NAME +.Nm gzerror , +.Nm gzclearerr +.Nd check and reset compressed file error +. +.Sh LIBRARY +.Lb libz +. +.Sh SYNOPSIS +.In zlib.h +.Ft const char * +.Fn gzerror "gzFile file" "int *errnum" +.Ft void +.Fn gzclearerr "gzFile file" +. +.Sh DESCRIPTION +.Fn gzerror +returns the error message for the last error +which occured on the given compressed file. +.Fa errnum +is set to the zlib error number. +If an error occurred in the file system +and not in the compression library, +.Fa errnum +is set to +.Dv Z_ERRNO +and the application may consult +.Va errno +to get the exact error code. +. +.Pp +The application must not modify the returned string. +Future calls to this function +may invalidate the previously returned string. +If +.Fa file +is closed, +then the string previously returned by +.Fn gzerror +will no longer be available. +. +.Pp +.Fn gzerror +should be used to distinguish errors from end-of-file +for those functions that do not distinguish those cases +in their return values. +. +.Pp +.Fn gzclearerr +clears the error and end-of-file for +.Fa file . +This is analogous to the +.Xr clearerr 3 +function in stdio. +This is useful for continuing to read a gzip file +that is being written concurrently. +. +.Sh SEE ALSO +.Xr gzeof 3 , +.Xr gzread 3 , +.Xr gzwrite 3 +. +.Sh HISTORY +This manual page was converted from +.In zlib.h +to mdoc format by +.An June McEnroe Aq Mt june@causal.agency . +. +.Sh AUTHORS +.An Jean-loup Gailly Aq Mt jloup@gzip.org +.An Mark Adler Aq Mt madler@alumni.caltech.edu diff --git a/doc/zlib/gzflush.3 b/doc/zlib/gzflush.3 new file mode 100644 index 00000000..476f7c09 --- /dev/null +++ b/doc/zlib/gzflush.3 @@ -0,0 +1,73 @@ +.Dd January 15, 2017 +.Dt GZFLUSH 3 +.Os +. +.Sh NAME +.Nm gzflush +.Nd flush output to compressed file +. +.Sh LIBRARY +.Lb libz +. +.Sh SYNOPSIS +.In zlib.h +.Ft int +.Fn gzflush "gzFile file" "int flush" +. +.Sh DESCRIPTION +Flushes all pending output +into the compressed file. +The parameter +.Fa flush +is as in the +.Xr deflate 3 +function. +.Fn gzflush +is only permitted when writing. +. +.Pp +If the +.Fa flush +parameter is +.Dv Z_FINISH , +the remaining data is written +and the gzip stream +is completed in the output. +If +.Xr gzwrite 3 +is called again, +a new gzip stream +will be started in the output. +.Xr gzread 3 +is able to read +such concatenated gzip streams. +. +.Pp +.Fn gzflush +should be called only when strictly necessary +because it will degrade compression +if called too often. +. +.Sh RETURN VALUES +The return value +is the zlib error number +.Po +see function +.Xr gzerror 3 +.Pc . +. +.Sh SEE ALSO +.Xr deflate 3 , +.Xr gzerror 3 , +.Xr gzread 3 , +.Xr gzwrite 3 +. +.Sh HISTORY +This manual page was converted from +.In zlib.h +to mdoc format by +.An June McEnroe Aq Mt june@causal.agency . +. +.Sh AUTHORS +.An Jean-loup Gailly Aq Mt jloup@gzip.org +.An Mark Adler Aq Mt madler@alumni.caltech.edu diff --git a/doc/zlib/gzfread.3 b/doc/zlib/gzfread.3 new file mode 100644 index 00000000..7bf57fc5 --- /dev/null +++ b/doc/zlib/gzfread.3 @@ -0,0 +1,107 @@ +.Dd January 15, 2017 +.Dt GZFREAD 3 +.Os +. +.Sh NAME +.Nm gzfread +.Nd read from compressed file +. +.Sh LIBRARY +.Lb libz +. +.Sh SYNOPSIS +.In zlib.h +.Ft z_size_t +.Fn gzfread "voidp buf" "z_size_t size" "z_size_t nitems" "gzFile file" +. +.Sh DESCRIPTION +Read up to +.Fa nitems +of size +.Fa size +from +.Fa file +to +.Fa buf , +otherwise operating as +.Xr gzread 3 +does. +This duplicates the interface of stdio's +.Xr fread 3 , +with +.Vt size_t +request and return types. +If the library defines +.Vt size_t , +then +.Vt z_size_t +is identical to +.Vt size_t . +If not, +then +.Vt z_size_t +is an unsigned integer type +that can contain a pointer. +. +.Pp +In the event that the end of file is reached +and only a partial item is available at the end, +i.e. the remaining uncompressed data length +is not a multiple of +.Fa size , +then the file partial item +is nevertheless read into +.Fa buf +and the end-of-file flag is set. +The length of the partial item read +is not provided, +but could be inferred from the result of +.Xr gztell 3 . +This behavior is the same as the behavior of +.Xr fread 3 +implementations in common libraries, +but it prevents the direct use of +.Fn gzfread +to read a concurrently written file, +reseting and retrying on end-of-file, +when +.Fa size +is not 1. +. +.Sh RETURN VALUES +.Fn gzfread +returns the number of full items read of size +.Fa size , +or zero if the end of the file was reached +and a full item could not be read, +or if there was an error. +.Xr gzerror 3 +must be consulted if zero is returned +in order to determine if there was an error. +If the multiplication of +.Fa size +and +.Fa nitems +overflows, +i.e. the product does not fit in +.Vt z_size_t , +then nothing is read, +zero is returned, +and the error state is set to +.Dv Z_STREAM_ERROR . +. +.Sh SEE ALSO +.Xr gzeof 3 , +.Xr gzerror 3 , +.Xr gzopen 3 , +.Xr gzread 3 +. +.Sh HISTORY +This manual page was converted from +.In zlib.h +to mdoc format by +.An June McEnroe Aq Mt june@causal.agency . +. +.Sh AUTHORS +.An Jean-loup Gailly Aq Mt jloup@gzip.org +.An Mark Adler Aq Mt madler@alumni.caltech.edu diff --git a/doc/zlib/gzfwrite.3 b/doc/zlib/gzfwrite.3 new file mode 100644 index 00000000..6835db3a --- /dev/null +++ b/doc/zlib/gzfwrite.3 @@ -0,0 +1,75 @@ +.Dd January 15, 2017 +.Dt GZFWRITE 3 +.Os +. +.Sh NAME +.Nm gzfwrite +.Nd write to compressed file +. +.Sh LIBRARY +.Lb libz +. +.Sh SYNOPSIS +.In zlib.h +.Ft z_size_t +.Fn gzfwrite "voidpc buf" "z_size_t size" "z_size_t nitems" "gzFile file" +. +.Sh DESCRIPTION +.Fn gzfwrite +writes +.Fa nitems +items of size +.Fa size +from +.Fa buf +to +.Fa file , +duplicating the interface of stdio's +.Xr fwrite 3 , +with +.Vt size_t +request and return types. +If the library defines +.Vt size_t , +then +.Vt z_size_t +is identical to +.Vt size_t . +If not, +then +.Vt z_size_t +is an unsigned integer type +that can contain a pointer. +. +.Sh RETURN VALUES +.Fn gzfwrite +returns the number of full items +written of size +.Fa size , +or zero if there was an error. +If the multiplication of +.Fa size +and +.Fa nitems +overflows, +i.e. the product does not fit in a +.Vt z_size_t , +then nothing is written, +zero is returned, +and the error state is set to +.Dv Z_STREAM_ERROR . +. +.Sh SEE ALSO +.Xr gzerror 3 , +.Xr gzopen 3 , +.Xr gzwrite 3 +. +.Sh HISTORY +This manual page was converted from +.In zlib.h +to mdoc format by +.An June McEnroe Aq Mt june@causal.agency . +. +.Sh AUTHORS +.An Jean-loup Gailly Aq Mt jloup@gzip.org +.An Mark Adler Aq Mt madler@alumni.caltech.edu diff --git a/doc/zlib/gzgetc.3 b/doc/zlib/gzgetc.3 new file mode 100644 index 00000000..db9143ec --- /dev/null +++ b/doc/zlib/gzgetc.3 @@ -0,0 +1,55 @@ +.Dd January 15, 2017 +.Dt GZGETC 3 +.Os +. +.Sh NAME +.Nm gzgetc +.Nd get character from compressed file +. +.Sh LIBRARY +.Lb libz +. +.Sh SYNOPSIS +.In zlib.h +.Ft int +.Fn gzgetc "gzFile file" +. +.Sh DESCRIPTION +Reads one byte from the compressed file. +This is implemented as a macro for speed. +As such, +it does not do all of the checking +the other functions do. +I.e.\& +it does not check to see if +.Fa file +is +.Dv NULL , +nor whether the structure +.Fa file +points to has been clobbered or not. +. +.Sh RETURN VALUES +.Fn gzgetc +returns the byte +or -1 in case of +end of file +or error. +. +.Sh SEE ALSO +.Xr gzeof 3 , +.Xr gzerror 3 , +.Xr gzgets 3 , +.Xr gzopen 3 , +.Xr gzread 3 , +.Xr gzungetc 3 +. +.Sh HISTORY +This manual page was converted from +.In zlib.h +to mdoc format by +.An June McEnroe Aq Mt june@causal.agency . +. +.Sh AUTHORS +.An Jean-loup Gailly Aq Mt jloup@gzip.org +.An Mark Adler Aq Mt madler@alumni.caltech.edu diff --git a/doc/zlib/gzgets.3 b/doc/zlib/gzgets.3 new file mode 100644 index 00000000..c1435b39 --- /dev/null +++ b/doc/zlib/gzgets.3 @@ -0,0 +1,67 @@ +.Dd January 15, 2017 +.Dt GZGETS 3 +.Os +. +.Sh NAME +.Nm gzgets +.Nd read line from compressed file +. +.Sh LIBRARY +.Lb libz +. +.Sh SYNOPSIS +.In zlib.h +.Ft char * +.Fn gzgets "gzFile file" "char *buf" "int len" +. +.Sh DESCRIPTION +Reads bytes from the compressed file +until +.Fa len-1 +characters are read, +or a newline character +is read and transferred to +.Fa buf , +or an end-of-file condition +is encountered. +If any characters are read or if +.Fa len +== 1, +the string is terminated +with a null character. +If no characters are read +due to an end-of-file or +.Fa len +< 1, +then the buffer is left untouched. +. +.Sh RETURN VALUES +.Fn gzgets +returns +.Fa buf +which is a null-terminated string, +or it returns +.Dv NULL +for end-of-file +or in case of error. +If there was an error, +the contents at +.Fa buf +are indeterminate. +. +.Sh SEE ALSO +.Xr gzeof 3 , +.Xr gzerror 3 , +.Xr gzgetc 3 , +.Xr gzopen 3 , +.Xr gzread 3 +. +.Sh HISTORY +This manual page was converted from +.In zlib.h +to mdoc format by +.An June McEnroe Aq Mt june@causal.agency . +. +.Sh AUTHORS +.An Jean-loup Gailly Aq Mt jloup@gzip.org +.An Mark Adler Aq Mt madler@alumni.caltech.edu diff --git a/doc/zlib/gzoffset.3 b/doc/zlib/gzoffset.3 new file mode 100644 index 00000000..b03c557e --- /dev/null +++ b/doc/zlib/gzoffset.3 @@ -0,0 +1,51 @@ +.Dd January 15, 2017 +.Dt GZOFFSET 3 +.Os +. +.Sh NAME +.Nm gzoffset +.Nd offset in compressed file +. +.Sh LIBRARY +.Lb libz +. +.Sh SYNOPSIS +.In zlib.h +.Ft z_off_t +.Fn gzoffset "gzFile file" +. +.Sh DESCRIPTION +Returns the current offset +in the file being read or written. +This offset includes +the count of bytes +that precede the gzip stream, +for example when appending +or when using +.Xr gzdopen 3 +for reading. +When reading, +the offset does not include +as yet unused buffered input. +This information can be used +for a progress indicator. +. +.Sh RETURN VALUES +On error, +.Fn gzoffset +returns -1. +. +.Sh SEE ALSO +.Xr gzerror 3 , +.Xr gzopen 3 , +.Xr gzseek 3 +. +.Sh HISTORY +This manual page was converted from +.In zlib.h +to mdoc format by +.An June McEnroe Aq Mt june@causal.agency . +. +.Sh AUTHORS +.An Jean-loup Gailly Aq Mt jloup@gzip.org +.An Mark Adler Aq Mt madler@alumni.caltech.edu diff --git a/doc/zlib/gzopen.3 b/doc/zlib/gzopen.3 new file mode 100644 index 00000000..9da647e1 --- /dev/null +++ b/doc/zlib/gzopen.3 @@ -0,0 +1,261 @@ +.Dd January 15, 2017 +.Dt GZOPEN 3 +.Os +. +.Sh NAME +.Nm gzopen , +.Nm gzdopen +.Nd open gzip file +. +.Sh LIBRARY +.Lb libz +. +.Sh SYNOPSIS +.In zlib.h +.Ft gzFile +.Fn gzopen "const char *path" "const char *mode" +.Ft gzFile +.Fn gzdopen "int fd" "const char *mode" +. +.Sh DESCRIPTION +Opens a gzip (.gz) file +for reading or writing. +The +.Fa mode +parameter is as in +.Xr fopen 3 +.Po +.Dq rb +or +.Dq wb +.Pc +but can also include a compression level +.Pq Dq wb9 +or a strategy: +.Sq f +for filtered data as in +.Dq wb6f , +.Sq h +for Huffman-only compression as in +.Dq wb1h , +.Sq R +for run-length encoding as in +.Dq wb1R , +or +.Sq F +for fixed code compression as in +.Dq wb9F . +.Po +See the description of +.Xr deflateInit2 3 +for more information about the +.Fa strategy +parameter. +.Pc \& +.Sq T +will request transparent writing or appending +with no compression +and not using the gzip format. +. +.Pp +.Dq a +can be used instead of +.Dq w +to request that the gzip stream +that will be written +be appended to the file. +.Dq + +will result in an error, +since reading and writing +to the same gzip file +is not supported. +The addition of +.Dq x +when writing will create the file exclusively, +which fails if the file already exists. +On systems that support it, +the addition of +.Dq e +when reading or writing +will set the flag to close the file on an +.Xr execve 2 +call. +. +.Pp +These functions, +as well as +.Xr gzip 1 , +will read and decode +a sequence of gzip streams in a file. +The append function of +.Fn gzopen +can be used to create such a file. +.Po +Also see +.Xr gzflush 3 +for another way to do this. +.Pc \& +When appending, +.Fn gzopen +does not test whether the file begins with a gzip stream, +nor does it look for the end of the gzip streams +to begin appending. +.Fn gzopen +will simply append a gzip stream +to the existing file. +. +.Pp +.Fn gzopen +can be used to read a file which is not in gzip format; +in this case +.Xr gzread 3 +will directly read from the file without decompression. +When reading, +this will be detected automatically +by looking for the magic two-byte gzip header. +. +.Pp +.Fn gzdopen +associates at +.Vt gzFile +with the file descriptor +.Fa fd . +File descriptors +are obtained from calls like +.Xr open 2 , +.Xr dup 2 , +.Xr creat 2 , +.Xr pipe 2 +or +.Xr fileno 3 +.Po +if the file has been previously opened with +.Xr fopen 3 +.Pc . +The +.Fa mode +parameter is as in +.Fn gzopen . +. +.Pp +The next call of +.Xr gzclose 3 +on the returned +.Vt gzFile +will also close the file descriptor +.Fa fd , +just like +.Xr fclose 3 . +If you want to keep +.Fa fd +open, +use +.Li "fd = dup(fd_keep); gz = gzdopen(fd, mode)" . +The duplicated descriptor should be saved +to avoid a leak, +since +.Fn gzdopen +does not close +.Fa fd +if it fails. +If you are using +.Xr fileno 3 +to get the file descriptor from a +.Vt FILE * , +then you will have to use +.Xr dup 2 +to avoid double-closing +the file descriptor. +Both +.Xr gzclose 3 +and +.Xr flcose 3 +will close the associated file descriptor, +so they need to have different file descriptors. +. +.Sh RETURN VALUES +.Fn gzopen +and +.Fn gzdopen +return +.Dv NULL +if the file could not be opened, +if there was insufficient memory +to allocate the +.Vt gzFile +state, +or if an invalid +.Fa mode +was specified +.Po +an +.Sq r , +.Sq w , +or +.Sq a +was not provided, +or +.Sq + +was provided +.Pc , +or if +.Fa fd +is -1. +The file descriptor +is not used until the next +gz* read, write, seek, or close operation, +so +.Fn gzdopen +will not detect if +.Fa fd +is invalid +.Po +unless +.Fa fd +is -1 +.Pc . +.Va errno +can be checked +to determine if the reason +.Fn gzopen +failed was that the file +could not be opened. +. +.Sh ERRORS +The +.Fn gzopen +function may fail and set +.Va errno +for any of the errors specified +for the routine +.Xr fopen 3 . +. +.Sh SEE ALSO +.Xr deflateInit2 3 , +.Xr fopen 3 , +.Xr gzbuffer 3 , +.Xr gzclose 3 , +.Xr gzdirect 3 , +.Xr gzeof 3 , +.Xr gzerror 3 , +.Xr gzflush 3 , +.Xr gzgetc 3 , +.Xr gzgets 3 , +.Xr gzoffset 3 , +.Xr gzprintf 3 , +.Xr gzputc 3 , +.Xr gzputs 3 , +.Xr gzread 3 , +.Xr gzseek 3 , +.Xr gzsetparams 3 , +.Xr gzwrite 3 +. +.Sh HISTORY +This manual page was converted from +.In zlib.h +to mdoc format by +.An June McEnroe Aq Mt june@causal.agency . +. +.Sh AUTHORS +.An Jean-loup Gailly Aq Mt jloup@gzip.org +.An Mark Adler Aq Mt madler@alumni.caltech.edu diff --git a/doc/zlib/gzprintf.3 b/doc/zlib/gzprintf.3 new file mode 100644 index 00000000..a2a241a2 --- /dev/null +++ b/doc/zlib/gzprintf.3 @@ -0,0 +1,71 @@ +.Dd January 15, 2017 +.Dt GZPRINTF 3 +.Os +. +.Sh NAME +.Nm gzprintf +.Nd format output to compressed file +. +.Sh LIBRARY +.Lb libz +. +.Sh SYNOPSIS +.In zlib.h +.Ft int +.Fn gzprintf "gzFile file" "const char *format" "..." +. +.Sh DESCRIPTION +Converts, formats, and writes the arguments +to the compressed file +under control of the format string, +as in +.Xr fprintf 3 . +. +.Sh RETURN VALUES +.Fn gzprintf +returns the number of +uncompressed bytes actually written, +or a negative zlib error code +in case of error. +The number of uncompressed bytes written +is limited to 8191, +or one less than the buffer size given to +.Xr gzbuffer 3 . +The caller should assure that +this limit is not exceeded. +If it is exceeded, +then +.Fn gzprintf +will return an error (0) +with nothing written. +In this case, +there may also be a buffer overflow +with unpredictable consequences, +which is possibly only if zlib +was compiled with the insecure functions +.Xr sprintf 3 +or +.Xr vsprintf 3 +because the secure +.Xr snprintf 3 +or +.Xr vsnprintf 3 +functions +were not available. +This can be determined using +.Xr zlibCompileFlags 3 . +. +.Sh SEE ALSO +.Xr fprintf 3 , +.Xr gzerror 3 , +.Xr gzopen 3 +. +.Sh HISTORY +This manual page was converted from +.In zlib.h +to mdoc format by +.An June McEnroe Aq Mt june@causal.agency . +. +.Sh AUTHORS +.An Jean-loup Gailly Aq Mt jloup@gzip.org +.An Mark Adler Aq Mt madler@alumni.caltech.edu diff --git a/doc/zlib/gzputc.3 b/doc/zlib/gzputc.3 new file mode 100644 index 00000000..66897b5e --- /dev/null +++ b/doc/zlib/gzputc.3 @@ -0,0 +1,43 @@ +.Dd January 15, 2017 +.Dt GZPUTC 3 +.Os +. +.Sh NAME +.Nm gzputc +.Nd write character to compressed file +. +.Sh LIBRARY +.Lb libz +. +.Sh SYNOPSIS +.In zlib.h +.Ft int +.Fn gzputc "gzFile file" "int c" +. +.Sh DESCRIPTION +Writes +.Fa c , +converted to an +.Vt unsigned char , +into the compressed file. +. +.Sh RETURN VALUES +.Fn gzputc +returns the value that was written, +or -1 in case of error. +. +.Sh SEE ALSO +.Xr gzerror 3 , +.Xr gzopen 3 , +.Xr gzputs 3 , +.Xr gzwrite 3 +. +.Sh HISTORY +This manual page was converted from +.In zlib.h +to mdoc format by +.An June McEnroe Aq Mt june@causal.agency . +. +.Sh AUTHORS +.An Jean-loup Gailly Aq Mt jloup@gzip.org +.An Mark Adler Aq Mt madler@alumni.caltech.edu diff --git a/doc/zlib/gzputs.3 b/doc/zlib/gzputs.3 new file mode 100644 index 00000000..71833ab2 --- /dev/null +++ b/doc/zlib/gzputs.3 @@ -0,0 +1,41 @@ +.Dd January 15, 2017 +.Dt GZPUTS 3 +.Os +. +.Sh NAME +.Nm gzputs +.Nd write string to compressed file +. +.Sh LIBRARY +.Lb libz +. +.Sh SYNOPSIS +.In zlib.h +.Ft int +.Fn gzputs "gzFile file" "const char *s" +. +.Sh DESCRIPTION +Writes the given null-terminated string +to the compressed file, +excluding the terminating null character. +. +.Sh RETURN VALUES +.Fn gzputs +returns the number of characters written, +or -1 in case of error. +. +.Sh SEE ALSO +.Xr gzerror 3 , +.Xr gzopen 3 , +.Xr gzputc 3 , +.Xr gzwrite 3 +. +.Sh HISTORY +This manual page was converted from +.In zlib.h +to mdoc format by +.An June McEnroe Aq Mt june@causal.agency . +. +.Sh AUTHORS +.An Jean-loup Gailly Aq Mt jloup@gzip.org +.An Mark Adler Aq Mt madler@alumni.caltech.edu diff --git a/doc/zlib/gzread.3 b/doc/zlib/gzread.3 new file mode 100644 index 00000000..4118eca7 --- /dev/null +++ b/doc/zlib/gzread.3 @@ -0,0 +1,115 @@ +.Dd January 15, 2017 +.Dt GZREAD 3 +.Os +. +.Sh NAME +.Nm gzread +.Nd read from compressed file +. +.Sh LIBRARY +.Lb libz +. +.Sh SYNOPSIS +.In zlib.h +.Ft int +.Fn gzread "gzFile file" "voidp buf" "unsigned len" +. +.Sh DESCRIPTION +Reads the given number of uncompressed bytes +from the compressed file. +If the input file +is not in gzip format, +.Fn gzread +copies the given number of bytes +into the buffer directly from the file. +. +.Pp +After reaching the end of a gzip stream +in the input, +.Fn gzread +will continue to read, +looking for another gzip stream. +Any number of gzip streams +may be concatenated in the input file, +and will all be decompressed by +.Fn gzread . +If something other than a gzip stream +is encountered after a gzip stream, +that remaining trailing garbage is ignored +(and no error is returned). +. +.Pp +.Fn gzread +can be used to read a gzip file +that is being concurrently written. +Upon reaching the end of the input, +.Fn gzread +will return with the available data. +If the error code returned by +.Xr gzerror 3 +is +.Dv Z_OK +or +.Dv Z_BUF_ERROR , +then +.Xr gzclearerr 3 +can be used +to clear the end of file indicator +in order to permit +.Fn gzread +to be tried again. +.Dv Z_OK +indicates that a gzip stream was completed +on the last +.Fn gzread . +.Dv Z_BUF_ERROR +indicates that the input file +ended in the middle of a gzip stream. +Note that +.Fn gzread +does not return -1 +in the event of an incomplete gzip stream. +This error is deferred until +.Xr gzclose 3 , +which will return +.Dv Z_BUF_ERROR +if the last +.Fn gzread +ended in the middle of a gzip stream. +Alternatively, +.Xr gzerror 3 +can be used before +.Xr gzclose 3 +to detect this case. +. +.Sh RETURN VALUES +.Fn gzread +returns the number of uncompressed bytes actually read, +less than +.Fa len +for end of file, +or -1 for error. +If +.Fa len +is too large to fit in an +.Vt int , +then nothing is read, +-1 is returned, +and the error state is set to +.Dv Z_STREAM_ERROR . +. +.Sh SEE ALSO +.Xr gzeof 3 , +.Xr gzerror 3 , +.Xr gzfread 3 , +.Xr gzopen 3 +. +.Sh HISTORY +This manual page was converted from +.In zlib.h +to mdoc format by +.An June McEnroe Aq Mt june@causal.agency . +. +.Sh AUTHORS +.An Jean-loup Gailly Aq Mt jloup@gzip.org +.An Mark Adler Aq Mt madler@alumni.caltech.edu diff --git a/doc/zlib/gzseek.3 b/doc/zlib/gzseek.3 new file mode 100644 index 00000000..a14b2db6 --- /dev/null +++ b/doc/zlib/gzseek.3 @@ -0,0 +1,108 @@ +.Dd January 15, 2017 +.Dt GZSEEK 3 +.Os +. +.Sh NAME +.Nm gzseek , +.Nm gzrewind , +.Nm gztell +.Nd seek compressed file +. +.Sh LIBRARY +.Lb libz +. +.Sh SYNOPSIS +.In zlib.h +.Ft z_off_t +.Fn gzseek "gzFile file" "z_off_t offset" "int whence" +.Ft int +.Fn gzrewind "gzFile file" +.Ft z_off_t +.Fn gztell "gzFile file" +. +.Sh DESCRIPTION +Sets the starting position +for the next +.Xr gzread 3 +or +.Xr gzwrite 3 +on the given compressed file. +The +.Fa offset +represents a number of bytes +in the uncompressed data stream. +The +.Fa whence +parameter +is defined as in +.Xr lseek 2 ; +the value +.Dv SEEK_END +is not supported. +. +.Pp +If the file is opened for reading, +this function is emulated +but can be extremely slow. +If the file is opened for writing, +only forward seeks are supported; +.Fn gzseek +then compresses a sequence of zeroes +up to the new starting position. +. +.Pp +.Fn gzrewind +rewinds the given file. +This function is supported +only for reading. +. +.Pp +.Fn gzrewind file +is equivalent to +.Li (int) Ns Fn gzseek file 0L SEEK_SET . +. +.Pp +.Fn gztell +returns the starting position +for the next +.Xr gzread 3 +or +.Xr gzwrite 3 +on the given compressed file. +This position represents a number of bytes +in the uncompressed data stream, +and is zero when starting, +even if appending or reading +a gzip stream from the middle of a file using +.Xr gzdopen 3 . +. +.Pp +.Fn gztell file +is equivalent to +.Fn gzseek file 0L SEEK_CUR . +. +.Sh RETURN VALUES +.Fn gzseek +returns the resulting offset location +as measured in bytes +from the beginning of the uncompressed stream, +or -1 in case of error, +in particular if the file +is opened for writing +and the new starting position +would be before the current position. +. +.Sh SEE ALSO +.Xr gzerror 3 , +.Xr gzoffset 3 , +.Xr gzopen 3 +. +.Sh HISTORY +This manual page was converted from +.In zlib.h +to mdoc format by +.An June McEnroe Aq Mt june@causal.agency . +. +.Sh AUTHORS +.An Jean-loup Gailly Aq Mt jloup@gzip.org +.An Mark Adler Aq Mt madler@alumni.caltech.edu diff --git a/doc/zlib/gzsetparams.3 b/doc/zlib/gzsetparams.3 new file mode 100644 index 00000000..f6ff9ed7 --- /dev/null +++ b/doc/zlib/gzsetparams.3 @@ -0,0 +1,51 @@ +.Dd January 15, 2017 +.Dt GZSETPARAMS 3 +.Os +. +.Sh NAME +.Nm gzsetparams +.Nd set compression level and strategy +. +.Sh LIBRARY +.Lb libz +. +.Sh SYNOPSIS +.In zlib.h +.Ft int +.Fn gzsetparams "gzFile file" "int level" "int strategy" +. +.Sh DESCRIPTION +Dynamically update the compression level or strategy. +See the description of +.Xr deflateInit2 3 +for the meaning +of these parameters. +Previously provided data is flushed +before the parameter change. +. +.Sh RETURN VALUES +.Fn gzsetparams +returns +.Dv Z_OK +if success, +.Dv Z_STREAM_ERROR +if the file was not opened for writing, +.Dv Z_ERRNO +if there is an error writing the flushed data, +or +.Dv Z_MEM_ERROR +if there is a memory allocation error. +. +.Sh SEE ALSO +.Xr deflateInit2 3 , +.Xr gzopen 3 +. +.Sh HISTORY +This manual page was converted from +.In zlib.h +to mdoc format by +.An June McEnroe Aq Mt june@causal.agency . +. +.Sh AUTHORS +.An Jean-loup Gailly Aq Mt jloup@gzip.org +.An Mark Adler Aq Mt madler@alumni.caltech.edu diff --git a/doc/zlib/gzungetc.3 b/doc/zlib/gzungetc.3 new file mode 100644 index 00000000..fbe9371c --- /dev/null +++ b/doc/zlib/gzungetc.3 @@ -0,0 +1,67 @@ +.Dd January 15, 2017 +.Dt GZUNGETC 3 +.Os +. +.Sh NAME +.Nm gzungetc +.Nd un-get character from compressed file +. +.Sh LIBRARY +.Lb libz +. +.Sh SYNOPSIS +.In zlib.h +.Ft int +.Fn gzungetc "int c" "gzFile file" +. +.Sh DESCRIPTION +Push one character back onto the stream +to be read as the first character +on the next read. +At least one character of push-back +is allowed. +.Fn gzungetc +will fail if +.Fa c +is -1, +and may fail if a character +has been pushed +but not read yet. +If +.Fn gzungetc +is used immediately after +.Xr gzopen 3 +or +.Xr gzdopen 3 , +at least the output buffer size +of pushed characters is allowed. +.Po +See +.Xr gzbuffer 3 . +.Pc \& +The pushed character will be discarded +if the stream is repositioned with +.Xr gzseek 3 +or +.Xr gzrewind 3 . +. +.Sh RETURN VALUES +.Fn gzungetc +returns the character pushed, +or -1 on failure. +. +.Sh SEE ALSO +.Xr gzbuffer 3 , +.Xr gzerror 3 , +.Xr gzgetc 3 , +.Xr gzopen 3 +. +.Sh HISTORY +This manual page was converted from +.In zlib.h +to mdoc format by +.An June McEnroe Aq Mt june@causal.agency . +. +.Sh AUTHORS +.An Jean-loup Gailly Aq Mt jloup@gzip.org +.An Mark Adler Aq Mt madler@alumni.caltech.edu diff --git a/doc/zlib/gzwrite.3 b/doc/zlib/gzwrite.3 new file mode 100644 index 00000000..73407ef5 --- /dev/null +++ b/doc/zlib/gzwrite.3 @@ -0,0 +1,39 @@ +.Dd January 15, 2017 +.Dt GZWRITE 3 +.Os +. +.Sh NAME +.Nm gzwrite +.Nd write to compressed file +. +.Sh LIBRARY +.Lb libz +. +.Sh SYNOPSIS +.In zlib.h +.Ft int +.Fn gzwrite "gzFile file" "voidpc buf" "unsigned len" +. +.Sh DESCRIPTION +Writes the given number of uncompressed bytes +into the compressed file. +. +.Sh RETURN VALUES +.Fn gzwrite +returns the number of uncompressed bytes written +or 0 in case of error. +. +.Sh SEE ALSO +.Xr gzerror 3 , +.Xr gzfwrite 3 , +.Xr gzopen 3 +. +.Sh HISTORY +This manual page was converted from +.In zlib.h +to mdoc format by +.An June McEnroe Aq Mt june@causal.agency . +. +.Sh AUTHORS +.An Jean-loup Gailly Aq Mt jloup@gzip.org +.An Mark Adler Aq Mt madler@alumni.caltech.edu diff --git a/doc/zlib/inflate.3 b/doc/zlib/inflate.3 new file mode 100644 index 00000000..255e0f84 --- /dev/null +++ b/doc/zlib/inflate.3 @@ -0,0 +1,398 @@ +.Dd January 15, 2017 +.Dt INFLATE 3 +.Os +. +.Sh NAME +.Nm inflate +.Nd deflate decompression +. +.Sh LIBRARY +.Lb libz +. +.Sh SYNOPSIS +.In zlib.h +.Ft int +.Fn inflate "z_streamp strm" "int flush" +. +.Sh DESCRIPTION +.Fn inflate +decompresses as much data as possible, +and stops when the input buffer becomes empty +or the output buffer becomes full. +It may introduce some output latency +(reading input without producing any output) +except when forced to flush. +. +.Pp +The detailed semantics are as follows. +.Fn inflate +performs one or both of the following actions: +. +.Bl -dash +.It +Decompress more input starting at +.Fa next_in +and update +.Fa next_in +and +.Fa avail_in +accordingly. +If not all input can be processed +(because there is not enough room in the output buffer), +then +.Fa next_in +and +.Fa avail_in +are updated accordingly, +and processing will resume at this point +for the next call of +.Fn inflate . +. +.It +Generate more output starting at +.Fa next_out +and update +.Fa next_out +and +.Fa avail_out +accordingly. +.Fn inflate +provides as much output as possible, +until there is no more input data +or no more space in the output buffer +.Po +see below about the +.Fa flush +parameter +.Pc . +.El +. +.Pp +Before the call of +.Fn inflate , +the application should ensure that +at least one of the actions is possible, +by providing more input +and/or consuming more output, +and updating the +.Fa next_* +and +.Fa avail_* +values accordingly. +If the caller of +.Fn inflate +does not provide both available input +and available output space, +it is possible that there will be no progress made. +The application can consume the uncompressed output +when it wants, +for example when the output buffer is full +.Po +.Fa avail_out +== 0 +.Pc , +or after each call of +.Fn inflate . +If +.Fn inflate +returns +.Dv Z_OK +and with zero +.Fa avail)out , +it must be called again after making room +in the output buffer +because there might be more output pending. +. +.Pp +The +.Fa flush +parameter of +.Fn inflate +can be +.Dv Z_NO_FLUSH , +.Dv Z_SYNC_FLUSH , +.Dv Z_FINISH , +.Dv Z_BLOCK , +or +.Dv Z_TREES . +.Dv Z_SYNC_FLUSH +requests that +.Fn inflate +flush as much output as possible +to the output buffer. +.Dv Z_BLOCK +requests that +.Fn inflate +stop if and when it gets to the next deflate block boundary. +When decoding the zlib or gzip format, +this will cause +.Fn inflate +to return immediately after the header +and before the first block. +When doing a raw inflate, +.Fn inflate +will go ahead and process the first block, +and will return when it gets to the end of that block, +or when it runs out of data. +. +.Pp +The +.Dv Z_BLOCK +option assists in appending to +or combining deflate streams. +To assist in this, +on return +.Fn inflate +always sets +.Fa strm->data_type +to the number of unused bits +in the last byte taken from +.Fa strm->next_in , +plus 64 if +.Fn inflate +is currently decoding the last block in the deflate stream, +plus 128 if +.Fn inflate +returned immediately after decoding an end-of-block code +or decoding the complete header up to +just before the first byte of the deflate stream. +The end-of-block will not be indicated +until all of the uncompressed data +from that block has been written to +.Fa strm->next_out . +The number of unused bits may in general be greater than seven, +except when bit 7 of +.Fa data_type +is set, +in which case the number of unused bits +will be less than eight. +.Fa data_type +is set as noted here every time +.Fn inflate +returns for all flush options, +and so can be used to determine +the amount of currently consumed input in bits. +. +.Pp +The +.Dv Z_TREES +option behaves as +.Dv Z_BLOCK +does, +but it also returns +when the end of each deflate block header is reached, +before any actual data in that block is decoded. +This allows the caller to determine +the length of the deflate block header +for later use in random access +within a deflate block. +256 is added to the value of +.Fa strm->data_type +when +.Fn inflate +returns immediately after reaching +the end of the deflate block header. +. +.Pp +.Fn inflate +should normally be called until it returns +.Dv Z_STREAM_END +or an error. +However if all decompression is to be performed +in a single step +.Po +a single call of +.Fn inflate +.Pc , +the parameter +.Fa flush +should be set to +.Dv Z_FINISH . +In this case all pending input is processed +and all pending output is flushed; +.Fa avail_out +must be large enough to hold all of +the uncompressed data for the operation to complete. +(The size of the uncompressed data +may have been saved by the compressor for this purpose.) +The use of +.Dv Z_FINISH +is not required to perform inflation in one step. +However it may be used to inform +.Fn inflate +that a faster approach can be used for the single +.Fn inflate +call. +.Dv Z_FINISH also informs +.Fn inflate +to not maintain a sliding window +if the stream completes, +which reduces +.Fn inflate Ap s +memory footprint. +If the stream does not complete, +either because not all of the stream is provided +or not enough output space is provided, +then a sliding window will be allocated and +.Fn inflate +can be called again to continue the operation as if +.Dv Z_NO_FLUSH +had been used. +. +.Pp +In this implementation, +.Fn inflate +always flushes as much output as possible +to the output buffer, +and always uses the faster approach +on the first call. +So the effects of the +.Fa flush +parameter in this implementation +are on the return value of +.Fn inflate +as noted below, +when +.Fn inflate +returns early when +.Dv Z_BLOCK +or +.Dv Z_TREES +is used, +and when +.Fn inflate +avoids the allocation of memory +for a sliding window when +.Dv Z_FINISH +is used. +. +.Pp +If a preset dictionary is needed after this call +.Po +see +.Xr inflateSetDictionary 3 +.Pc , +.Fn inflate +sets +.Fa strm->adler +to the Adler-32 checksum of the dictionary +chosen by the compressor +and returns +.Dv Z_NEED_DICT ; +otherwise it sets +.Fa strm->adler +to the Adler-32 checksum +of all output produced so far +.Po +that is, +.Fa total_out +bytes +.Pc +and returns +.Dv Z_OK , +.Dv Z_STREAM_END +or an error code +as described in +.Sx RETURN VALUES . +At the end of the stream, +.Fn inflate +checks that its computed Adler-32 checksum +is equal to that saved by the compressor +and returns +.Dv Z_STREAM_END +only if the checksum is correct. +. +.Pp +.Fn inflate +can decompress and check +either zlib-wrapped or gzip-wrapped +deflate data. +The header type is detected automatically, +if requested when initializing with +.Xr inflateInit2 3 . +Any information contained in the gzip header +is not retained unless +.Xr inflateGetHeader 3 +is used. +When processing gzip-wrapped deflate data, +.Fa strm->adler32 +is set to the CRC-32 +of the output produced so far. +The CRC-32 is checked against the gzip trailer, +as is the uncompressed length, +modulo 2^32. +. +.Sh RETURN VALUES +.Fn inflate +returns +.Dv Z_OK +if some progress has been made +(more input processed or more output produced), +.Dv Z_STREAM_END +if the end of the compressed data has been reached +and all uncompressed output has been produced, +.Dv Z_NEED_DICT +if a preset dictionary is needed at this point, +.Dv Z_DATA_ERROR +if the input data was corrupted +.Po +input stream not conforming to the zlib format +or incorrect check value, +in which case +.Fa strm->msg +points to a string with a more specific error +.Pc , +.Dv Z_STREAM_ERROR +if the stream structure was inconsistent +.Po +for example +.Fa next_in +or +.Fa next_out +was +.Dv Z_NULL , +or the state was inadvertently written over +by the application +.Pc , +.Dv Z_MEM_ERROR +if there was not enough memory, +.Dv Z_BUF_ERROR +if no progress was possible +or if there was not enough room +in the output buffer when +.Dv Z_FINISH +is used. +Note that +.Dv Z_BUF_ERROR +is not fatal, +and +.Fn inflate +can be called again with more input +and more output space +to continue decompressing. +If +.Dv Z_DATA_ERROR +is returned, +the application may then call +.Xr inflateSync 3 +to look for a good compression block +if a partial recovery of the data +is to be attempted. +. +.Sh SEE ALSO +.Xr deflate 3 , +.Xr inflateBack 3 , +.Xr inflateEnd 3 , +.Xr inflateInit 3 , +.Xr inflateMark 3 , +.Xr inflateSync 3 +. +.Sh HISTORY +This manual page was converted from +.In zlib.h +to mdoc format by +.An June McEnroe Aq Mt june@causal.agency . +. +.Sh AUTHORS +.An Jean-loup Gailly Aq Mt jloup@gzip.org +.An Mark Adler Aq Mt madler@alumni.caltech.edu diff --git a/doc/zlib/inflateBack.3 b/doc/zlib/inflateBack.3 new file mode 100644 index 00000000..fcda7452 --- /dev/null +++ b/doc/zlib/inflateBack.3 @@ -0,0 +1,285 @@ +.Dd January 15, 2017 +.Dt INFLATEBACK 3 +.Os +. +.Sh NAME +.Nm inflateBack +.Nd inflate call-back interface +. +.Sh LIBRARY +.Lb libz +. +.Sh SYNOPSIS +.In zlib.h +. +.Ft typedef unsigned +.Fo (*in_func) +.Fa "void FAR *" +.Fa "z_const unsigned char FAR * FAR *" +.Fc +. +.Ft typedef int +.Fo (*out_func) +.Fa "void FAR *" +.Fa "unsigned char FAR *" +.Fa "unsigned" +.Fc +. +.Ft int +.Fo inflateBack +.Fa "z_streamp strm" +.Fa "in_func in" +.Fa "void FAR *in_desc" +.Fa "out_func out" +.Fa "void FAR *out_desc" +.Fc +. +.Sh DESCRIPTION +.Fn inflateBack +does a raw inflate +with a single call +using a call-back interface +for input and output. +This is potentially more efficient than +.Xr inflate 3 +for file I/O applications, +in that it avoids copying between the output +and the sliding window +by simply making the window itself the output buffer. +.Xr inflate 3 +can be faster on modern CPUs +when used with large buffers. +.Fn inflateBack +trusts the application to not change +the output buffer passed by the output function, +at least until +.Fn inflateBack +returns. +. +.Pp +.Xr inflateBackInit 3 +must be called first +to allocate the internal state +and to initialize the state +with the user-provided window buffer. +.Fn inflateBack +may then be used multiple times +to inflate a complete, +raw deflate stream +with each call. +.Xr inflateBackEnd 3 +is then called to free the allocated state. +. +.Pp +A raw deflate stream +is one with no zlib or gzip header or trailer. +This routine would normally be used +in a utility that reads zip or gzip files +and write out uncompressed files. +The utility would decode the header +and process the trailer on its own, +hence this routine expects only +the raw deflate stream to decompress. +This is different from the default behaviour of +.Xr inflate 3 , +which expects a zlib header and trailer +around the deflate stream. +. +.Pp +.Fn inflateBack +uses two subroutines +supplied by the caller +that are then called by +.Fn inflateBack +for input and output. +.Fn inflateBack +calls those routines +until it reads a complete deflate stream +and writes out all of the uncompressed data, +or until it encounters an error. +The function's parameters and return types +are defined above in the +.Vt in_func +and +.Vt out_func +typedefs. +.Fn inflateBack +will call +.Fn in in_desc &buf +which should return +the number of bytes of provided input, +and a pointer to that input in +.Fa buf . +If there is no input available, +.Fn in +must return zero \(em +.Fa buf +is ignored in that case \(em +and +.Fn inflateBack +will return a buffer error. +.Fn inflateBack +will call +.Fn out out_desc buf len +to write the uncompressed data +.Fa buf[0..len-1] . +.Fn out +should return zero on success, +or non-zero on failure. +If +.Fn out +returns non-zero, +.Fn inflateBack +will return with an error. +Neither +.Fn in +nor +.Fn out +are permitted to change +the contents of the window provided to +.Xr inflateBackInit 3 , +which is also the buffer that +.Fn out +uses to write from. +The length written by +.Fn out +will be at most the window size. +Any non-zero amount of input +may be provided by +.Fn in . +. +.Pp +For convenience, +.Fn inflateBack +can be provided input on the first call +by setting +.Fa strm->next_in +and +.Fa strm->avail_in . +If that input is exhausted, +then +.Fn in +will be called. +Therefore +.Fa strm->next_in +must be initialized before calling +.Fn inflateBack . +If +.Fa strm->next_in +is +.Dv Z_NULL , +then +.Fn in +will be called immediately for input. +If +.Fa strm->next_in +is not +.Dv Z_NULL , +then +.Fa strm->avail_in +must also be initialized, +and then if +.Fa strm->avail_in +is not zero, +input will initially be taken from +.Fa "strm->next_in[0 .. strm->avail_in - 1]" . +. +.Pp +The +.Fa in_desc +and +.Fa out_desc +parameters of +.Fn inflateBack +is passed as the first parameter of +.Fn in +and +.Fn out +respectively when they are called. +These descriptors can be optionally used +to pass any information that the caller-supplied +.Fn in +and +.Fn out +functions need to do their job. +. +.Sh RETURN VALUES +On return, +.Fn inflateBack +will set +.Fa strm->next_in +and +.Fa strm->avail_in +to pass back any unused input +that was provided by the last +.Fn in +call. +The return values of +.Fn inflateBack +can be +.Dv Z_STREAM_END +on success, +.Dv Z_BUF_ERROR +if +.Fn in +or +.Fn out +returned an error, +.Dv Z_DATA_ERROR +if there was a format error +in the deflate stream +.Po +in which case +.Fa strm->msg +is set to indicate the nature of the error +.Pc , +or +.Dv Z_STREAM_ERROR +if the stream was not properly initialized. +In the case of +.Dv Z_BUF_ERROR , +an input or output error can be distinguished using +.Fa strm->next_in +which will be +.Dv Z_NULL +only if +.Fn in +returned an error. +If +.Fa strm->next_in +is not +.Dv Z_NULL , +then the +.Dv Z_BUF_ERROR +was due to +.Fn out +returning non-zero. +.Po +.Fn in +will always be called before +.Fn out , +so +.Fa strm->next_in +is assured to be defined if +.Fa out +returns non-zero. +.Pc \& +Note that +.Fn inflateBack +cannot return +.Dv Z_OK . +. +.Sh SEE ALSO +.Xr inflate 3 , +.Xr inflateBackEnd 3 , +.Xr inflateBackInit 3 +. +.Sh HISTORY +This manual page was converted from +.In zlib.h +to mdoc format by +.An June McEnroe Aq Mt june@causal.agency . +. +.Sh AUTHORS +.An Jean-loup Gailly Aq Mt jloup@gzip.org +.An Mark Adler Aq Mt madler@alumni.caltech.edu diff --git a/doc/zlib/inflateBackEnd.3 b/doc/zlib/inflateBackEnd.3 new file mode 100644 index 00000000..39fbea8f --- /dev/null +++ b/doc/zlib/inflateBackEnd.3 @@ -0,0 +1,43 @@ +.Dd January 15, 2017 +.Dt INFLATEBACKEND 3 +.Os +. +.Sh NAME +.Nm inflateBackEnd +.Nd free inflateBack stream +. +.Sh LIBRARY +.Lb libz +. +.Sh SYNOPSIS +.In zlib.h +.Ft int +.Fn inflateBackEnd "z_streamp strm" +. +.Sh DESCRIPTION +All memory allocated by +.Xr inflateBackInit 3 +is freed. +. +.Sh RETURN VALUES +.Fn inflateBackEnd +returns +.Dv Z_OK +on success, +or +.Dv Z_STREAM_ERROR +if the stream state was inconsistent. +. +.Sh SEE ALSO +.Xr inflateBack 3 , +.Xr inflateBackInit 3 +. +.Sh HISTORY +This manual page was converted from +.In zlib.h +to mdoc format by +.An June McEnroe Aq Mt june@causal.agency . +. +.Sh AUTHORS +.An Jean-loup Gailly Aq Mt jloup@gzip.org +.An Mark Adler Aq Mt madler@alumni.caltech.edu diff --git a/doc/zlib/inflateBackInit.3 b/doc/zlib/inflateBackInit.3 new file mode 100644 index 00000000..d029542e --- /dev/null +++ b/doc/zlib/inflateBackInit.3 @@ -0,0 +1,84 @@ +.Dd January 15, 2017 +.Dt INFLATEBACKINIT 3 +.Os +. +.Sh NAME +.Nm inflateBackInit +.Nd initialize inflateBack stream +. +.Sh LIBRARY +.Lb libz +. +.Sh SYNOPSIS +.In zlib.h +.Ft int +.Fo inflateBackInit +.Fa "z_streamp strm" +.Fa "int windowBits" +.Fa "unsigned char FAR *window" +.Fc +. +.Sh DESCRIPTION +Initialize the internal stream state +for decompression using +.Xr inflateBack 3 +calls. +The fields +.Fa zalloc , +.Fa zfree +and +.Fa opaque +in +.Fa strm +must be initialized before the call. +If +.Fa zalloc +and +.Fa zfree +are +.Dv Z_NULL , +then the default +library-derived memory allocation routines are used. +.Fa windowBits +is the base two logarithm of the window size, +in the range 8..15. +.Fa window +is a caller supplied buffer of that size. +Except for special applications +where it is assured that deflate +was used with small window sizes, +.Fa windowBits +must be 15 +and a 32K byte +.Fa window +must be supplied +to be able to decompress general deflate streams. +. +.Sh RETURN VALUES +.Fn inflateBackInit +will return +.Dv Z_OK +on success, +.Dv Z_STREAM_ERROR +if any of the parameters are invalid, +.Dv Z_MEM_ERROR +if the internal state could not be allocated, +or +.Dv Z_VERSION_ERROR +if the version of the library +does not match the version of the header file. +. +.Sh SEE ALSO +.Xr inflateBack 3 , +.Xr inflateBackEnd 3 , +.Xr inflateInit 3 +. +.Sh HISTORY +This manual page was converted from +.In zlib.h +to mdoc format by +.An June McEnroe Aq Mt june@causal.agency . +. +.Sh AUTHORS +.An Jean-loup Gailly Aq Mt jloup@gzip.org +.An Mark Adler Aq Mt madler@alumni.caltech.edu diff --git a/doc/zlib/inflateCopy.3 b/doc/zlib/inflateCopy.3 new file mode 100644 index 00000000..167b879b --- /dev/null +++ b/doc/zlib/inflateCopy.3 @@ -0,0 +1,59 @@ +.Dd January 15, 2017 +.Dt INFLATECOPY 3 +.Os +. +.Sh NAME +.Nm inflateCopy +.Nd copy inflate stream +. +.Sh LIBRARY +.Lb libz +. +.Sh SYNOPSIS +.In zlib.h +.Ft int +.Fn inflateCopy "z_streamp dest" "z_streamp source" +. +.Sh DESCRIPTION +Sets the destination stream +as a complete copy of the source stream. +. +.Pp +This function can be useful +when randomly accessing a large stream. +The first pass through the stream +can periodically record the inflate state, +allowing restarting inflate at those points +when randomly accessing the stream. +. +.Sh RETURN VALUES +.Fn inflateCopy +returns +.Dv Z_OK +if success, +.Dv Z_MEM_ERROR +if there was not enough memory, +.Dv Z_STREAM_ERROR +if the source stream state was inconsistent +.Po +such as +.Fa zalloc +being +.Dv Z_NULL +.Pc . +.Fa msg +is left unchanged +in both source and destination. +. +.Sh SEE ALSO +.Xr inflateInit 3 +. +.Sh HISTORY +This manual page was converted from +.In zlib.h +to mdoc format by +.An June McEnroe Aq Mt june@causal.agency . +. +.Sh AUTHORS +.An Jean-loup Gailly Aq Mt jloup@gzip.org +.An Mark Adler Aq Mt madler@alumni.caltech.edu diff --git a/doc/zlib/inflateEnd.3 b/doc/zlib/inflateEnd.3 new file mode 100644 index 00000000..54945b50 --- /dev/null +++ b/doc/zlib/inflateEnd.3 @@ -0,0 +1,44 @@ +.Dd January 15, 2017 +.Dt INFLATEEND 3 +.Os +. +.Sh NAME +.Nm inflateEnd +.Nd free inflate stream +. +.Sh LIBRARY +.Lb libz +. +.Sh SYNOPSIS +.In zlib.h +.Ft int +.Fn inflateEnd "z_streamp strm" +. +.Sh DESCRIPTION +All dynamically allocated data structures +for this stream are feed. +This function discards any unprocessed input +and does not flush any pending output. +. +.Sh RETURN VALUES +.Fn inflateEnd +returns +.Dv Z_OK +if success, +or +.Dv Z_STREAM_ERROR +if the stream state was inconsistent. +. +.Sh SEE ALSO +.Xr inflate 3 , +.Xr inflateInit 3 +. +.Sh HISTORY +This manual page was converted from +.In zlib.h +to mdoc format by +.An June McEnroe Aq Mt june@causal.agency . +. +.Sh AUTHORS +.An Jean-loup Gailly Aq Mt jloup@gzip.org +.An Mark Adler Aq Mt madler@alumni.caltech.edu diff --git a/doc/zlib/inflateGetDictionary.3 b/doc/zlib/inflateGetDictionary.3 new file mode 100644 index 00000000..9290850c --- /dev/null +++ b/doc/zlib/inflateGetDictionary.3 @@ -0,0 +1,69 @@ +.Dd January 15, 2017 +.Dt INFLATEGETDICTIONARY 3 +.Os +. +.Sh NAME +.Nm inflateGetDictionary +.Nd inflate sliding dictionary +. +.Sh LIBRARY +.Lb libz +. +.Sh SYNOPSIS +.In zlib.h +.Ft int +.Fo inflateGetDictionary +.Fa "z_streamp strm" +.Fa "Bytef *dictionary" +.Fa "uInt *dictLength" +.Fc +. +.Sh DESCRIPTION +Returns the sliding dictionary +being maintained by +.Xr inflate 3 . +.Fa dictLength +is set to the number of bytes +in the dictionary, +and that many bytes are copied to +.Fa dictionary . +.Fa dictionary +must have enough space, +where 32768 bytes is always enough. +If +.Fn inflateGetDictionary +is called with +.Fa dictionary +equal to +.Dv Z_NULL , +then only the dictionary length is returned, +and nothing is copied. +Similarly, +if +.Fa dictLength +is +.Dv Z_NULL , +then it is not set. +. +.Sh RETURN VALUES +.Fn inflateGetDictionary +returns +.Dv Z_OK +on success, +or +.Dv Z_STREAM_ERROR +if the stream state is inconsistent. +. +.Sh SEE ALSO +.Xr deflateSetDictionary 3 , +.Xr inflateSetDictionary 3 +. +.Sh HISTORY +This manual page was converted from +.In zlib.h +to mdoc format by +.An June McEnroe Aq Mt june@causal.agency . +. +.Sh AUTHORS +.An Jean-loup Gailly Aq Mt jloup@gzip.org +.An Mark Adler Aq Mt madler@alumni.caltech.edu diff --git a/doc/zlib/inflateGetHeader.3 b/doc/zlib/inflateGetHeader.3 new file mode 100644 index 00000000..57f7c443 --- /dev/null +++ b/doc/zlib/inflateGetHeader.3 @@ -0,0 +1,170 @@ +.Dd January 15, 2017 +.Dt INFLATEGETHEADER 3 +.Os +. +.Sh NAME +.Nm inflateGetHeader +.Nd get gzip header +. +.Sh LIBRARY +.Lb libz +. +.Sh SYNOPSIS +.In zlib.h +.Ft int +.Fn inflateGetHeader "z_streamp strm" "gz_headerp head" +. +.Sh DESCRIPTION +.Fn inflateGetHeader +requests that gzip header information +be stored in the provided +.Vt gz_header +structure. +.Fn inflateGetHeader +may be called after +.Xr inflateInit2 3 +or +.Xr inflateReset 3 , +and before the first call of +.Xr inflate 3 . +As +.Xr inflate 3 +processes the gzip stream, +.Fa head->done +is zero until the header is completed, +at which time +.Fa head->done +is set to one. +If a zlib stream is being decoded, +then +.Fa head->done +is set to -1 to indicate that +there will be no gzip header information forthcoming. +Note that +.Dv Z_BLOCK +or +.Dv Z_TREES +can be used to force +.Xr inflate 3 +to return immediately after +header processing is complete +and before any actual data is decompressed. +. +.Pp +The +.Fa text , +.Fa time , +.Fa xflags , +and +.Fa os +fields are filled in with the gzip header contents. +.Fa hcrc +is set to true if there is a header CRC. +.Po +The header CRC was valid if +.Fa done +is set to one. +.Pc \& +If +.Fa extra +is not +.Dv Z_NULL , +then +.Fa extra_max +contains the maximum number of bytes to write to +.Fa extra . +Once +.Fa done +is true, +.Fa extra_len +contains the actual extra field length, +and +.Fa extra +contains the extra field, +or that field truncated if +.Fa extra_max +is less than +.Fa extra_len . +If +.Fa name +is not +.Dv Z_NULL , +then up to +.Fa name_max +characters are written there, +terminated with a zero +unless the length is greater than +.Fa name_max . +If +.Fa comment +is not +.Dv Z_NULL , +then up to +.Fa comm_max +characters are written there, +terminated with a zero +unless the length is greater than +.Fa comm_max . +When any of +.Fa extra , +.Fa name , +or +.Fa comment +are not +.Dv Z_NULL +and the respective field +is not present in the header, +then that field is set to +.Dv Z_NULL +to signal its absence. +This allows the use of +.Xr deflateSetHeader 3 +with the returned structure +to duplicate the header. +However if those fields are set to allocated memory, +then the application will need to +save those pointers elsewhere +so that they can be eventually feed. +. +.Pp +If +.Fn inflateGetHeader +is not used, +then the header information is simply discarded. +The header is always checked for validity, +including the header CRC if present. +.Xr inflateReset 3 +will reset the process to discard the header information. +The application would need to call +.Fn inflateGetHeader +again to retrieve the header from the next gzip stream. +. +.Pp +The +.Vt gz_headerp +type is documented in +.Xr deflateSetHeader 3 . +. +.Sh RETURN VALUES +.Fn inflateGetHeader +returns +.Dv Z_OK +if success, +or +.Dv Z_STREAM_ERROR +if the source stream state was inconsistent. +. +.Sh SEE ALSO +.Xr gzip 1 , +.Xr deflateSetHeader 3 , +.Xr inflateInit2 3 +. +.Sh HISTORY +This manual page was converted from +.In zlib.h +to mdoc format by +.An June McEnroe Aq Mt june@causal.agency . +. +.Sh AUTHORS +.An Jean-loup Gailly Aq Mt jloup@gzip.org +.An Mark Adler Aq Mt madler@alumni.caltech.edu diff --git a/doc/zlib/inflateInit.3 b/doc/zlib/inflateInit.3 new file mode 100644 index 00000000..66a1d4f7 --- /dev/null +++ b/doc/zlib/inflateInit.3 @@ -0,0 +1,101 @@ +.Dd January 15, 2017 +.Dt INFLATEINIT 3 +.Os +. +.Sh NAME +.Nm inflateInit +.Nd initialize inflate stream +. +.Sh LIBRARY +.Lb libz +. +.Sh SYNOPSIS +.In zlib.h +.Ft int +.Fn inflateInit "z_streamp strm" +. +.Sh DESCRIPTION +Initializes the internal stream state for decompression. +The fields +.Fa next_in , +.Fa avail_in , +.Fa zalloc , +.Fa zfree +and +.Fa opaque +must be initialized before by the caller. +In the current version of +.Fn inflateInit , +the provided input is not read or consumed. +The allocation of a sliding window +will be deferred to the first call of +.Xr inflate 3 +(if the decompression does not complete on the first call). +If +.Fa zalloc +and +.Fa zfree +are set to +.Dv Z_NULL , +.Fn inflateInit +updates them to use default allocation functions. +. +.Pp +.Fn inflateInit +does not perform any decompression. +Actual decompression will be done by +.Xr inflate 3 . +So +.Fa next_in , +.Fa avail_in , +.Fa next_out +and +.Fa avail_out +are unused and unchanged. +The current implementation of +.Fn inflateInit +does not process any header information \(em +that is deferred until +.Xr inflate 3 +is called. +. +.Pp +The +.Vt z_streamp +type is documented in +.Xr deflateInit 3 . +. +.Sh RETURN VALUES +.Fn inflateInit +returns +.Dv Z_OK +if success, +.Dv Z_MEM_ERROR +if there was not enough memory, +.Dv Z_VERSION_ERROR +if the zlib library version +is incompatible with the version assumed by the caller, +or +.Dv Z_STREAM_ERROR +if the parameters are invalid, +such as a null pointer to the structure. +.Fa msg +is set to null if there is no error message. +. +.Sh SEE ALSO +.Xr inflate 3 , +.Xr inflateBackInit 3 , +.Xr inflateCopy 3 , +.Xr inflateEnd 3 , +.Xr inflateInit2 3 , +.Xr inflateSetDictionary 3 +. +.Sh HISTORY +This manual page was converted from +.In zlib.h +to mdoc format by +.An June McEnroe Aq Mt june@causal.agency . +. +.Sh AUTHORS +.An Jean-loup Gailly Aq Mt jloup@gzip.org +.An Mark Adler Aq Mt madler@alumni.caltech.edu diff --git a/doc/zlib/inflateInit2.3 b/doc/zlib/inflateInit2.3 new file mode 100644 index 00000000..5b8b49ac --- /dev/null +++ b/doc/zlib/inflateInit2.3 @@ -0,0 +1,181 @@ +.Dd January 15, 2017 +.Dt INFLATEINIT2 3 +.Os +. +.Sh NAME +.Nm inflateInit2 +.Nd inflate compression options +. +.Sh LIBRARY +.Lb libz +. +.Sh SYNOPSIS +.In zlib.h +.Ft int +.Fn inflateInit2 "z_streamp strm" "int windowBits" +. +.Sh DESCRIPTION +This is another version of +.Xr inflateInit 3 +with an extra parameter. +The fields +.Fa next_in , +.Fa avail_in , +.Fa zalloc , +.Fa zfree +and +.Fa opaque +must be initialized before by the caller. +. +.Pp +The +.Fa windowBits +parameter is the base two logarithm +of the maximum window size +(the size of the history buffer). +It should be in the range 8..15 +for this version of the library. +The default value is 15 if +.Xr inflateInit 3 +is used instead. +.Fa windowBits +must be greater than or equal to the +.Fa windowBits +value provided to +.Xr deflateInit2 3 +while compressing, +or it must be equal to 15 if +.Xr deflateInit2 3 +was not used. +If a compressed stream with a larger window size +is given as input, +.Xr inflate 3 +will return with the error code +.Dv Z_DATA_ERROR +instead of trying to allocate a larger window. +. +.Pp +.Fa windowBits +can also be zero +to request that +.Xr inflate 3 +use the window size +in the zlib header +of the compressed stream. +. +.Pp +.Fa windowBits +can also be -8..-15 +for raw inflate. +In this case, +.Fa -windowBits +determines the window size. +.Xr inflate 3 +will then process raw deflate data, +not looking for a zlib or gzip header, +not generating a check value, +and not looking for any check values +for comparison at the end of the stream. +This is for use with other formats +that use the deflate compressed data format +such as zip. +Those formats provide their own check values. +If a custom format is developed +using the raw deflate format for compressed data, +it is recommended that a check value +such as an Adler-32 or a CRC-32 +be applied to the uncompressed data +as is done in the zlib, gzip and zip formats. +For most applications, +the zlib format should be used as is. +Note that comments above on the use in +.Xr deflateInit2 3 +applies to the magnitude of +.Fa windowBits . +. +.Pp +.Fa windowBits +can also be greater than 15 +for optional gzip decoding. +Add 32 to +.Fa windowBits +to enable zlib and gzip decoding +with automatic header detection, +or add 16 to decode only the gzip format +.Po +the zlib format will return a +.Dv Z_DATA_ERROR +.Pc . +If a gzip stream is being decoded, +.Fa strm->adler +is a CRC-32 instead of an Adler-32. +Unlike the +.Xr gunzip 1 +utility and +.Xr gzread 3 , +.Xr inflate 3 +will not automatically decode +concatenated gzip streams. +.Xr inflate 3 +will return +.Dv Z_STREAM_END +at the end of the gzip stream. +The state would need to be reset +to continue decoding a subsequent gzip stream. +. +.Pp +.Fn inflateInit2 +does not perform any decompression +apart from possibly reading the zlib header if present: +actual decompression will be done by +.Xr inflate 3 . +.Po +So +.Fa next_in +and +.Fa avail_in +may be modified, +but +.Fa next_out +and +.Fa avail_out +are unused and unchanged. +.Pc \& +The current implementation of +.Fn inflateInit2 +does not process any header information \(em +that is deferred until +.Xr inflate 3 +is called. +. +.Sh RETURN VALUES +.Fn inflateInit2 +returns +.Dv Z_OK +if success, +.Dv Z_MEM_ERROR +if there was not enough memory, +.Dv Z_VERSION_ERROR +if the zlib library version +is incompatible with the version assumed by the caller, +or +.Dv Z_STREAM_ERROR +if the parameters are invalid, +such as a null pointer to the structure. +.Fa msg +is set to null if there is no error message. +. +.Sh SEE ALSO +.Xr deflateInit2 3 , +.Xr inflateInit 3 , +.Xr inflatePrime 3 +. +.Sh HISTORY +This manual page was converted from +.In zlib.h +to mdoc format by +.An June McEnroe Aq Mt june@causal.agency . +. +.Sh AUTHORS +.An Jean-loup Gailly Aq Mt jloup@gzip.org +.An Mark Adler Aq Mt madler@alumni.caltech.edu diff --git a/doc/zlib/inflateMark.3 b/doc/zlib/inflateMark.3 new file mode 100644 index 00000000..90e2ee0b --- /dev/null +++ b/doc/zlib/inflateMark.3 @@ -0,0 +1,88 @@ +.Dd January 15, 2017 +.Dt INFLATEMARK 3 +.Os +. +.Sh NAME +.Nm inflateMark +.Nd mark location for random access +. +.Sh LIBRARY +.Lb libz +. +.Sh SYNOPSIS +.In zlib.h +.Ft long +.Fn inflateMark "z_streamp strm" +. +.Sh DESCRIPTION +This function returns two values, +one in the lower 16 bits of the return value, +and the other in the remaining upper bits, +obtained by shifting the return value down 16 bits. +If the upper value is -1 +and the lower value is zero, +then +.Xr inflate 3 +is currently decoding information outside of a block. +If the upper value is -1 +and the lower value is non-zero, +then +.Xr inflate 3 +is in the middle of a stored block, +with the lower value equaling +the number of bytes from the input remaining to copy. +If the upper value is not -1, +then it is the number of bits +back from the current bit position +in the input of the code +(literal of length/distance pair) +currently being processed. +In that case the lower value +is the number of bytes +already emitted for that code. +. +.Pp +A code is being processed if +.Xr inflate 3 +is waiting for more input to complete +decoding of the code, +or if it has completed decoding +but is waiting for more output space +to write the literal or match data. +. +.Pp +.Fn inflateMark +is used to mark locations in the input data +for random access, +which may be at bit positions, +and to note those cases where +the output of a code may span boundaries +of random access blocks. +The current location in the input stream +can be determined from +.Fa avail_in +and +.Fa data_type +as noted in the description for the +.Dv Z_BLOCK +.Fa flush +parameter for +.Xr inflate 3 . +. +.Sh RETURN VALUES +.Fn inflateMark +returns the value noted above, +or -65536 if the provided source stream state was inconsistent. +. +.Sh SEE ALSO +.Xr inflate 3 +. +.Sh HISTORY +This manual page was converted from +.In zlib.h +to mdoc format by +.An June McEnroe Aq Mt june@causal.agency . +. +.Sh AUTHORS +.An Jean-loup Gailly Aq Mt jloup@gzip.org +.An Mark Adler Aq Mt madler@alumni.caltech.edu diff --git a/doc/zlib/inflatePrime.3 b/doc/zlib/inflatePrime.3 new file mode 100644 index 00000000..66953665 --- /dev/null +++ b/doc/zlib/inflatePrime.3 @@ -0,0 +1,73 @@ +.Dd January 15, 2017 +.Dt INFLATEPRIME 3 +.Os +. +.Sh NAME +.Nm inflatePrime +.Nd insert bits in inflate stream +. +.Sh LIBRARY +.Lb libz +. +.Sh SYNOPSIS +.In zlib.h +.Ft int +.Fn inflatePrime "z_streamp strm" "int bits" "int value" +. +.Sh DESCRIPTION +This function inserts bits +in the inflate input stream. +The intent is that this function +is used to start inflating +at a bit position +in the middle of a byte. +The provided bits will be used +before any bytes are used from +.Fa next_in . +This function should only be used with raw inflate, +and should be used before the first +.Xr inflate 3 +call after +.Xr inflateInit2 3 +or +.Xr inflateReset 3 . +.Fa bits +must be less than or equal to 16, +and that many of the least significant bits of +.Fa value +will be inserted in the input. +. +.Pp +If +.Fa bits +is negative, +then the input stream bit buffer is emptied. +Then +.Fn inflatePrime +can be called again +to put bits in the buffer. +This is used to clear out bits leftover +after feeding inflate a block description +prior to feeding inflate codes. +. +.Sh RETURN VALUES +.Fn inflatePrime +returns +.Dv Z_OK +if success, +or +.Dv Z_STREAM_ERROR +if the source stream state was inconsistent. +. +.Sh SEE ALSO +.Xr inflateInit2 3 +. +.Sh HISTORY +This manual page was converted from +.In zlib.h +to mdoc format by +.An June McEnroe Aq Mt june@causal.agency . +. +.Sh AUTHORS +.An Jean-loup Gailly Aq Mt jloup@gzip.org +.An Mark Adler Aq Mt madler@alumni.caltech.edu diff --git a/doc/zlib/inflateReset.3 b/doc/zlib/inflateReset.3 new file mode 100644 index 00000000..53c4ffe2 --- /dev/null +++ b/doc/zlib/inflateReset.3 @@ -0,0 +1,81 @@ +.Dd January 15, 2017 +.Dt INFLATERESET 3 +.Os +. +.Sh NAME +.Nm inflateReset , +.Nm inflateReset2 +.Nd reset inflate stream +. +.Sh LIBRARY +.Lb libz +. +.Sh SYNOPSIS +.In zlib.h +.Ft int +.Fn inflateReset "z_streamp strm" +.Ft int +.Fn inflateReset2 "z_streamp strm" "int windowBits" +. +.Sh DESCRIPTION +This function is equivalent to +.Xr inflateEnd 3 +followed by +.Xr inflateInit 3 , +but does not free and reallocate +the internal decompression state. +The stream will keep attributes +that may have been set by +.Xr inflateInit2 3 . +. +.Pp +.Fn inflateReset2 +is the same as +.Fn inflateReset , +but it also permits changing +the wrap and window size requests. +The +.Fa windowBits +parameter is interpreted the same as it is for +.Xr inflateInit2 3 . +If the window size is changed, +then the memory allocated for the window is freed, +and the window will be reallocated by +.Xr inflate 3 +if needed. +. +.Sh RETURN VALUES +.Fn inflateReset +and +.Fn inflateReset2 +return +.Dv Z_OK +if success, +or +.Dv Z_STREAM_ERROR +if the source stream state was inconsistent +.Po +such as +.Fa zalloc +or +.Fa state +being +.Dv Z_NULL +.Pc , +or if the +.Fa windowBits +parameter is invalid. +. +.Sh SEE ALSO +.Xr inflateEnd 3 , +.Xr inflateInit 3 +. +.Sh HISTORY +This manual page was converted from +.In zlib.h +to mdoc format by +.An June McEnroe Aq Mt june@causal.agency . +. +.Sh AUTHORS +.An Jean-loup Gailly Aq Mt jloup@gzip.org +.An Mark Adler Aq Mt madler@alumni.caltech.edu diff --git a/doc/zlib/inflateSetDictionary.3 b/doc/zlib/inflateSetDictionary.3 new file mode 100644 index 00000000..291c97e8 --- /dev/null +++ b/doc/zlib/inflateSetDictionary.3 @@ -0,0 +1,85 @@ +.Dd January 15, 2017 +.Dt INFLATESETDICTIONARY 3 +.Os +. +.Sh NAME +.Nm inflateSetDictionary +.Nd initialize decompression dictionary +. +.Sh LIBRARY +.Lb libz +. +.Sh SYNOPSIS +.In zlib.h +.Ft int +.Fo inflateSetDictionary +.Fa "z_streamp strm" +.Fa "const Bytef *dictionary" +.Fa "uInt dictLength" +.Fc +. +.Sh DESCRIPTION +Initializes the decompression dictionary +from the given uncompressed byte sequence. +This function must be called +immediately after a call of +.Xr inflate 3 , +if that call returned +.Dv Z_NEED_DICT . +The dictionary chosen by the compressor +can be determined from the Adler-32 value +returned by that call of +.Xr inflate 3 . +The compressor and decompressor +must use exactly the same dictionary +.Po +see +.Xr deflateSetDictionary 3 +.Pc . +For raw inflate, +this function can be called at any time +to set the dictionary. +If the provided dictionary +is smaller than the window +and there is already data in the window, +then the provided dictionary +will amend what's there. +The application must insure that the dictionary +that was used for compression is provided. +. +.Pp +.Fn inflateSetDictionary +does not perform any decompression: +this will be done by subsequent calls of +.Xr inflate 3 . +. +.Sh RETURN VALUES +.Fn inflateSetDictionary +returns +.Dv Z_OK +if success, +.Dv Z_STREAM_ERROR +if a parameter is invalid +.Po +e.g. dictionary being +.Dv Z_NULL +.Pc +or the stream state is inconsistent, +.Dv Z_DATA_ERROR +if the given dictionary +doesn't match the expected one +(incorrect Adler-32 value). +. +.Sh SEE ALSO +.Xr deflateGetDictionary 3 , +.Xr inflateGetDictionary 3 +. +.Sh HISTORY +This manual page was converted from +.In zlib.h +to mdoc format by +.An June McEnroe Aq Mt june@causal.agency . +. +.Sh AUTHORS +.An Jean-loup Gailly Aq Mt jloup@gzip.org +.An Mark Adler Aq Mt madler@alumni.caltech.edu diff --git a/doc/zlib/inflateSync.3 b/doc/zlib/inflateSync.3 new file mode 100644 index 00000000..56d3ca28 --- /dev/null +++ b/doc/zlib/inflateSync.3 @@ -0,0 +1,72 @@ +.Dd January 15, 2017 +.Dt INFLATESYNC 3 +.Os +. +.Sh NAME +.Nm inflateSync +.Nd skip invalid data +. +.Sh LIBRARY +.Lb libz +. +.Sh SYNOPSIS +.In zlib.h +.Ft int +.Fn inflateSync "z_streamp strm" +. +.Sh DESCRIPTION +Skips invalid compressed data +until a possible full flush point +.Po +see +.Xr deflate 3 +for the description of +.Dv Z_FULL_FLUSH +.Pc +can be found, +or until all available input is skipped. +No output is provided. +. +.Pp +.Fn inflateSync +searches for a 00 00 FF FF pattern +in the compressed data. +All full flush points have this pattern, +but not all occurrences of this pattern +are full flush points. +. +.Sh RETURN VALUES +.Fn inflateSync +returns +.Dv Z_OK +if a possible full flush point has been found, +.Dv Z_BUF_ERROR +if no more input was provided, +.Dv Z_DATA_ERROR +if no flush point has been found, +or +.Dv Z_STREAM_ERROR +if the stream structure was inconsistent. +In the success case, +the application may save the current value of +.Fa total_in +which indicates where valid compressed data was found. +In the error case, +the application may repeatedly call +.Fn inflateSync , +providing more input each time, +until success or the end of the input data. +. +.Sh SEE ALSO +.Xr deflate 3 , +.Xr inflate 3 +. +.Sh HISTORY +This manual page was converted from +.In zlib.h +to mdoc format by +.An June McEnroe Aq Mt june@causal.agency . +. +.Sh AUTHORS +.An Jean-loup Gailly Aq Mt jloup@gzip.org +.An Mark Adler Aq Mt madler@alumni.caltech.edu diff --git a/doc/zlib/uncompress.3 b/doc/zlib/uncompress.3 new file mode 100644 index 00000000..1047ad91 --- /dev/null +++ b/doc/zlib/uncompress.3 @@ -0,0 +1,92 @@ +.Dd January 15, 2017 +.Dt UNCOMPRESS 3 +.Os +. +.Sh NAME +.Nm uncompress , +.Nm uncompress2 +.Nd decompress source buffer into destination buffer +. +.Sh LIBRARY +.Lb libz +. +.Sh SYNOPSIS +.In zlib.h +. +.Ft int +.Fo uncompress +.Fa "Bytef *dest" +.Fa "uLongf *destLen" +.Fa "const Bytef *source" +.Fa "uLong sourceLen" +.Fc +. +.Ft int +.Fo uncompress2 +.Fa "Bytef *dest" +.Fa "uLongf *destLen" +.Fa "const Bytef *source" +.Fa "uLong *sourceLen" +.Fc +. +.Sh DESCRIPTION +Decompresses the source buffer into the destination buffer. +.Fa sourceLen +is the byte length of the source buffer. +Upon entry, +.Fa destLen +is the total size of the destination buffer, +which must be large enough to hold the entire uncompressed data. +.Po +The size of the uncompressed data +must have been saved previously by the compressor +and transmitted to the decompressor +by some mechanism outside the scope of this compression library. +.Pc \& +Upon exit, +.Fa destLen +is the actual size of the uncompressed data. +. +.Pp +.Fn uncompress2 +is the same as +.Fn uncompress , +except that +.Fa sourceLen +is a pointer, +where the length of the source is +.Fa *sourceLen . +On return, +.Fa *sourceLen +is the number of source bytes consumed. +. +.Sh RETURN VALUES +.Fn uncompress +returns +.Dv Z_OK +if success, +.Dv Z_MEM_ERROR +if there was not enough memory, +.Dv Z_BUF_ERROR +if there was not enough room in the output buffer, +or +.Dv Z_DATA_ERROR +if the input data was corrupted or incomplete. +In the case where there is not enough room, +.Fn uncompress +will fill the output buffer +with the uncompressed data up to that point. +. +.Sh SEE ALSO +.Xr compress 3 , +.Xr inflate 3 +. +.Sh HISTORY +This manual page was converted from +.In zlib.h +to mdoc format by +.An June McEnroe Aq Mt june@causal.agency . +. +.Sh AUTHORS +.An Jean-loup Gailly Aq Mt jloup@gzip.org +.An Mark Adler Aq Mt madler@alumni.caltech.edu diff --git a/doc/zlib/zlibCompileFlags.3 b/doc/zlib/zlibCompileFlags.3 new file mode 100644 index 00000000..59cc24a8 --- /dev/null +++ b/doc/zlib/zlibCompileFlags.3 @@ -0,0 +1,163 @@ +.Dd January 15, 2017 +.Dt ZLIBCOMPILEFLAGS 3 +.Os +. +.Sh NAME +.Nm zlibCompileFlags +.Nd zlib compile-time options +. +.Sh LIBRARY +.Lb libz +. +.Sh SYNOPSIS +.In zlib.h +.Ft uLong +.Fn zlibCompileFlags void +. +.Sh DESCRIPTION +Return flags indicating compile-time options. +. +.Ss Type sizes +Two bits each, +00 = 16 bits, +01 = 32 bits, +10 = 64 bits, +11 = other. +. +.Pp +.Bl -tag -width Ds -compact +.It 1.0 +size of +.Vt uInt +.It 3.2 +size of +.Vt uLong +.It 5.4 +size of +.Vt voidpf +(pointer) +.It 7.6 +size of +.Vt z_off_t +.El +. +.Ss Compiler, assembler, and debug options +.Bl -tag -width Ds -compact +.It 8 +.Dv ZLIB_DEBUG +.It 9 +.Dv ASMV +or +.Dv ASMINF +\(em +use ASM code +.It 10 +.Dv ZLIB_WINAPI +\(em +exported functions use the WINAPI calling convention +.It 11 +0 (reserved) +.El +. +.Ss One-time table building +Smaller code, +but not thread-safe if true. +. +.Pp +.Bl -tag -width Ds -compact +.It 12 +.Dv BUILDFIXED +\(em +build static block decoding tables when needed +.It 13 +.Dv DYNAMIC_CRC_TABLE +\(em +build CRC calculation tables when needed +.It 14,15 +0 (reserved) +.El +. +.Ss Library content +Indicates missing functionality. +. +.Pp +.Bl -tag -width Ds -compact +.It 16 +.Dv NO_GZCOMPRESS +\(em +gz* functions cannot compress +(to avoid linking deflate code when not needed) +.It 17 +.Dv NO_GZIP +\(em +.Xr deflate 3 +can't write gzip streams, +and +.Xr inflate 3 +can't detect and decode gzip streams +(to avoid linking crc code) +.It 18-19 +0 (reserved) +.El +. +.Ss Operation variations +Changes in library functionality. +. +.Pp +.Bl -tag -width Ds -compact +.It 20 +.Dv PKZIP_BUG_WORKAROUND +\(em +slightly more permissive +.Xr inflate 3 +.It 21 +.Dv FASTEST +\(em +deflate algorithm with only one, +lowest compression level +.It 22,23 +0 (reserved) +.El +. +.Ss sprintf variant used by gzprintf +Zero is best. +. +.Pp +.Bl -tag -width Ds -compact +.It 24 +0 = vs*, +1 = s* +\(em +1 means limited to 20 arguments after the format +.It 25 +0 = *nprintf, +1 = *printf +\(em +1 means +.Xr gzprintf 3 +not secure! +.It 26 +0 = returns value, +1 = void +\(em +1 means inferred string length returned +.El +. +.Ss Remainder +.Bl -tag -width Ds -compact +.It 27-31 +0 (reserved) +.El +. +.Sh SEE ALSO +.Xr zlibVersion 3 +. +.Sh HISTORY +This manual page was converted from +.In zlib.h +to mdoc format by +.An June McEnroe Aq Mt june@causal.agency . +. +.Sh AUTHORS +.An Jean-loup Gailly Aq Mt jloup@gzip.org +.An Mark Adler Aq Mt madler@alumni.caltech.edu diff --git a/doc/zlib/zlibVersion.3 b/doc/zlib/zlibVersion.3 new file mode 100644 index 00000000..04377527 --- /dev/null +++ b/doc/zlib/zlibVersion.3 @@ -0,0 +1,45 @@ +.Dd January 15, 2017 +.Dt ZLIBVERSION 3 +.Os +. +.Sh NAME +.Nm zlibVersion +.Nd check zlib version +. +.Sh LIBRARY +.Lb libz +. +.Sh SYNOPSIS +.In zlib.h +.Fd #define ZLIB_VERSION \(dq1.2.11\(dq +.Ft "const char *" +.Fn zlibVersion void +. +.Sh DESCRIPTION +The application can compare +.Fn zlibVersion +and +.Dv ZLIB_VERSION +for consistency. +If the first character differs, +the library code actually used +is not compatible with the +.In zlib.h +header file used by the application. +This check is automatically made by +.Xr deflateInit 3 +and +.Xr inflateInit 3 . +. +.Sh SEE ALSO +.Xr zlibCompileFlags 3 +. +.Sh HISTORY +This manual page was converted from +.In zlib.h +to mdoc format by +.An June McEnroe Aq Mt june@causal.agency . +. +.Sh AUTHORS +.An Jean-loup Gailly Aq Mt jloup@gzip.org +.An Mark Adler Aq Mt madler@alumni.caltech.edu diff --git a/etc/CodeQWERTY.bundle/Contents/Info.plist b/etc/CodeQWERTY.bundle/Contents/Info.plist new file mode 100644 index 00000000..f78351e8 --- /dev/null +++ b/etc/CodeQWERTY.bundle/Contents/Info.plist @@ -0,0 +1,19 @@ +<?xml version="1.0" encoding="UTF-8"?> +<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd"> +<plist version="1.0"> + <dict> + <key>CFBundleIdentifier</key> + <string>agency.causal.keyboardlayout.code</string> + <key>CFBundleName</key> + <string>Code QWERTY</string> + <key>CFBundleVersion</key> + <string>1.0</string> + <key>KLInfo_Code QWERTY</key> + <dict> + <key>TISInputSourceID</key> + <string>agency.causal.keyboardlayout.code.qwerty</string> + <key>TISIntendedLanguage</key> + <string>en-CA</string> + </dict> + </dict> +</plist> diff --git a/etc/CodeQWERTY.bundle/Contents/Resources/CodeQWERTY.keylayout b/etc/CodeQWERTY.bundle/Contents/Resources/CodeQWERTY.keylayout new file mode 100644 index 00000000..393a86dd --- /dev/null +++ b/etc/CodeQWERTY.bundle/Contents/Resources/CodeQWERTY.keylayout @@ -0,0 +1,1178 @@ +<?xml version="1.1" encoding="UTF-8"?> +<!DOCTYPE keyboard PUBLIC "" "file://localhost/System/Library/DTDs/KeyboardLayout.dtd"> +<keyboard group="0" id="5069" maxout="1" 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+</dict> +</plist> diff --git a/etc/Go-Mono-Bold-Italic.ttf b/etc/Go-Mono-Bold-Italic.ttf new file mode 100644 index 00000000..c138a9e1 --- /dev/null +++ b/etc/Go-Mono-Bold-Italic.ttf Binary files differdiff --git a/etc/Go-Mono-Bold.ttf b/etc/Go-Mono-Bold.ttf new file mode 100644 index 00000000..551da07f --- /dev/null +++ b/etc/Go-Mono-Bold.ttf Binary files differdiff --git a/etc/Go-Mono-Italic.ttf b/etc/Go-Mono-Italic.ttf new file mode 100644 index 00000000..22d4390e --- /dev/null +++ b/etc/Go-Mono-Italic.ttf Binary files differdiff --git a/etc/Go-Mono.ttf b/etc/Go-Mono.ttf new file mode 100644 index 00000000..71e30123 --- /dev/null +++ b/etc/Go-Mono.ttf Binary files differdiff --git a/etc/README.Go-Mono b/etc/README.Go-Mono new file mode 100644 index 00000000..7043c362 --- /dev/null +++ b/etc/README.Go-Mono @@ -0,0 +1,36 @@ +These fonts were created by the Bigelow & Holmes foundry specifically for the +Go project. See https://blog.golang.org/go-fonts for details. + +They are licensed under the same open source license as the rest of the Go +project's software: + +Copyright (c) 2016 Bigelow & Holmes Inc.. All rights reserved. + +Distribution of this font is governed by the following license. If you do not +agree to this license, including the disclaimer, do not distribute or modify +this font. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + + * Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + + * Neither the name of Google Inc. nor the names of its contributors may be + used to endorse or promote products derived from this software without + specific prior written permission. + +DISCLAIMER: THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, +THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE +FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR +SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER +CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, +OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/etc/code.map b/etc/code.map new file mode 100644 index 00000000..a3749b8d --- /dev/null +++ b/etc/code.map @@ -0,0 +1,20 @@ +include "/usr/share/kbd/keymaps/i386/qwerty/us.map.gz" + +keycode 2 = exclam one +keycode 3 = at two +keycode 4 = numbersign three +keycode 5 = dollar four +keycode 6 = percent five +keycode 7 = asciicircum six +keycode 8 = ampersand seven +keycode 9 = asterisk eight +keycode 10 = parenleft nine +keycode 11 = parenright zero +keycode 12 = underscore minus +keycode 26 = braceleft bracketleft +keycode 27 = braceright bracketright +keycode 43 = bar backslash +keycode 58 = Escape + +keycode 100 = Compose +keycode 125 = Escape diff --git a/etc/daticns.c b/etc/daticns.c new file mode 100644 index 00000000..63f1649d --- /dev/null +++ b/etc/daticns.c @@ -0,0 +1,62 @@ +/* Copyright (C) 2022 June McEnroe <june@causal.agency> + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <err.h> +#include <stdint.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sysexits.h> + +int main(int argc, char *argv[]) { + if (argc < 2) return EX_USAGE; + + FILE *file = fopen(argv[1], "r"); + if (!file) err(EX_NOINPUT, "%s", argv[1]); + + size_t cap = 0x10000; + uint8_t *buf = malloc(cap); + if (!buf) err(EX_OSERR, "malloc"); + + size_t len = 0; + for (size_t n; 0 < (n = fread(&buf[len], 1, cap - len, file)); len += n) { + buf = realloc(buf, (cap *= 2)); + if (!buf) err(EX_OSERR, "realloc"); + } + + unsigned nr = 0; + for ( + uint8_t *ptr = buf; + NULL != (ptr = memmem(ptr, &buf[len] - ptr, "icns", 4)); + ptr += 4 + ) { + if (&ptr[8] > &buf[len]) break; + size_t len = ptr[4] << 24 | ptr[5] << 16 | ptr[6] << 8 | ptr[7]; + + char path[64]; + snprintf(path, sizeof(path), "icon%04u.icns", ++nr); + printf("%s\n", path); + + FILE *icon = fopen(path, "w"); + if (!icon) err(EX_CANTCREAT, "%s", path); + + size_t n = fwrite(ptr, 8 + len, 1, icon); + if (!n) err(EX_IOERR, "%s", path); + + int error = fclose(icon); + if (error) err(EX_IOERR, "%s", path); + } +} diff --git a/etc/layout.txt b/etc/layout.txt new file mode 100644 index 00000000..3aa2ed2b --- /dev/null +++ b/etc/layout.txt @@ -0,0 +1,9 @@ + ` ! @ # $ % ^ & * ( ) _ = backspace +tab q w e r t y u i o p { } | +esc a s d f g h j k l ; ' enter +shift z x c v b n m , . / shift + + ~ 1 2 3 4 5 6 7 8 9 0 - + backspace +tab Q W E R T Y U I O P [ ] \ +esc A S D F G H J K L : " enter +shift Z X C V B N M < > ? shift diff --git a/etc/wsconsctl.conf b/etc/wsconsctl.conf new file mode 100644 index 00000000..05f29b6a --- /dev/null +++ b/etc/wsconsctl.conf @@ -0,0 +1,26 @@ +display.brightness=50% +keyboard.backlight=0% + +mouse1.tp.tapping=1 +mouse1.tp.scaling=0.2 +mouse1.reverse_scrolling=1 + +keyboard1.repeat.del1=200 +keyboard1.repeat.deln=50 + +keyboard1.map+='keycode 30 = exclam 1' +keyboard1.map+='keycode 31 = at 2' +keyboard1.map+='keycode 32 = numbersign 3' +keyboard1.map+='keycode 33 = dollar 4' +keyboard1.map+='keycode 34 = percent 5' +keyboard1.map+='keycode 35 = asciicircum 6' +keyboard1.map+='keycode 36 = ampersand 7' +keyboard1.map+='keycode 37 = asterisk 8' +keyboard1.map+='keycode 38 = parenleft 9' +keyboard1.map+='keycode 39 = parenright 0' +keyboard1.map+='keycode 45 = underscore minus' +keyboard1.map+='keycode 47 = braceleft bracketleft' +keyboard1.map+='keycode 48 = braceright bracketright' +keyboard1.map+='keycode 49 = bar backslash' +keyboard1.map+='keycode 50 = bar backslash' +keyboard1.map+='keycode 57 = Escape' diff --git a/gpl.c b/gpl.c new file mode 100644 index 00000000..8ff4916d --- /dev/null +++ b/gpl.c @@ -0,0 +1,19 @@ +/* Copyright (C) 2024 June McEnroe <june@causal.agency> + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <https://www.gnu.org/licenses/>. + */ + +#include <err.h> +#include <stdio.h> +#include <stdlib.h> diff --git a/home/.config/X/modmap b/home/.config/X/modmap new file mode 100644 index 00000000..b0b1ea79 --- /dev/null +++ b/home/.config/X/modmap @@ -0,0 +1,16 @@ +clear Lock +keysym Caps_Lock = Escape +keysym 1 = exclam 1 +keysym 2 = at 2 +keysym 3 = numbersign 3 +keysym 4 = dollar 4 +keysym 5 = percent 5 +keysym 6 = asciicircum 6 +keysym 7 = ampersand 7 +keysym 8 = asterisk 8 +keysym 9 = parenleft 9 +keysym 0 = parenright 0 +keysym minus = underscore minus +keysym bracketleft = braceleft bracketleft +keysym bracketright = braceright bracketright +keysym backslash = bar backslash diff --git a/home/.config/X/resources b/home/.config/X/resources new file mode 100644 index 00000000..f4603cd9 --- /dev/null +++ b/home/.config/X/resources @@ -0,0 +1,52 @@ +Xft.dpi: 144 +Xft.antialias: true +Xft.hinting: false + +Xcursor.size: 64 +Xcursor.theme: dmz-aa + +XLock.usefirst: false +XLock.echokeys: true + +*Background: rgb:14/13/0E +*Foreground: rgb:B7/A9/80 +*BorderColor: rgb:99/8D/6B + +XTerm*utf8: true +XTerm*metaSendsEscape: true +XTerm*alternateScroll: true +XTerm*allowMouseOps: false +XTerm*disallowedMouseOps: X10,Locator,VT200*,Any*,Extended,SGR,URXVT +XTerm*bellIsUrgent: true +XTerm*charClass: 33:48,36-47:48,58-59:48,61:48,63-64:48,95:48,126:48 + +XTerm*VT100*translations: #override \n\ + Super <Key>C: copy-selection(CLIPBOARD) \n\ + Super <Key>V: insert-selection(CLIPBOARD) \n\ + <Btn4Down>: scroll-back(1,line,m) \n\ + <Btn5Down>: scroll-forw(1,line,m) + +XTerm*faceName: Go Mono:size=12 +XTerm*internalBorder: 6 +XTerm*colorBDMode: true +XTerm*scrollBar: false +XTerm*pointerMode: 2 + +XTerm*color0: rgb:16/15/10 +XTerm*color1: rgb:A3/28/10 +XTerm*color2: rgb:72/7A/18 +XTerm*color3: rgb:A3/77/20 +XTerm*color4: rgb:3D/62/66 +XTerm*color5: rgb:7A/49/55 +XTerm*color6: rgb:55/7A/55 +XTerm*color7: rgb:99/8D/6B +XTerm*color8: rgb:4C/46/35 +XTerm*color9: rgb:CC/32/14 +XTerm*color10: rgb:8E/99/1E +XTerm*color11: rgb:CC/95/28 +XTerm*color12: rgb:4C/7B/7F +XTerm*color13: rgb:99/5B/6B +XTerm*color14: rgb:6B/99/6B +XTerm*color15: rgb:CC/BC/8E +XTerm*colorBD: rgb:CC/BC/8E +XTerm*cursorColor: rgb:7A/71/55 diff --git a/home/.config/cwm/cwmrc b/home/.config/cwm/cwmrc new file mode 100644 index 00000000..d72ec163 --- /dev/null +++ b/home/.config/cwm/cwmrc @@ -0,0 +1,87 @@ +sticky yes +snapdist 10 +moveamount 10 + +ignore clock +autogroup 0 clock,XTerm +gap 38 0 0 0 + +unbind-key all +bind-key 4-n terminal +bind-key 4-t "firefox -new-tab about:blank" +bind-key 4-Delete lock +bind-key 4-Down window-lower +bind-key 4-Up window-raise +bind-key 4-slash menu-window +bind-key 4-Tab group-cycle +bind-key 4S-Tab group-rcycle +bind-key 4-grave window-cycle +bind-key 4S-grave window-rcycle +bind-key 4-w window-close +bind-key 4-exclam group-only-1 +bind-key 4-at group-only-2 +bind-key 4-numbersign group-only-3 +bind-key 4-dollar group-only-4 +bind-key 4-percent group-only-5 +bind-key 4-asciicircum group-only-6 +bind-key 4-ampersand group-only-7 +bind-key 4-asterisk group-only-8 +bind-key 4-parenleft group-only-9 +bind-key 4S-exclam window-movetogroup-1 +bind-key 4S-at window-movetogroup-2 +bind-key 4S-numbersign window-movetogroup-3 +bind-key 4S-dollar window-movetogroup-4 +bind-key 4S-percent window-movetogroup-5 +bind-key 4S-asciicircum window-movetogroup-6 +bind-key 4S-ampersand window-movetogroup-7 +bind-key 4S-asterisk window-movetogroup-8 +bind-key 4S-parenleft window-movetogroup-9 +bind-key 4-f window-fullscreen +bind-key 4-m window-maximize +bind-key 4-equal window-vmaximize +bind-key 4S-equal window-hmaximize +bind-key 4-underscore window-vtile +bind-key 4S-underscore window-htile +bind-key 4-h window-move-left-big +bind-key 4-j window-move-down-big +bind-key 4-k window-move-up-big +bind-key 4-l window-move-right-big +bind-key 4S-h window-move-left +bind-key 4S-j window-move-down +bind-key 4S-k window-move-up +bind-key 4S-l window-move-right +bind-key 4S-y window-snap-up-left +bind-key 4S-u window-snap-up-right +bind-key 4S-b window-snap-down-left +bind-key 4S-n window-snap-down-right +bind-key 4M-h window-resize-left +bind-key 4M-j window-resize-down +bind-key 4M-k window-resize-up +bind-key 4M-l window-resize-right +bind-key 4MS-h window-resize-left-big +bind-key 4MS-j window-resize-down-big +bind-key 4MS-k window-resize-up-big +bind-key 4MS-l window-resize-right-big +bind-key 4-space menu-exec +bind-key 4S-r restart +bind-key 4S-q quit + +bind-key F1 "xbacklight -steps 1 -5" +bind-key F2 "xbacklight -steps 1 +5" +bind-key F10 "sndioctl output.mute=!" +bind-key F11 "sndioctl output.level=-0.05" +bind-key F12 "sndioctl output.level=+0.05" + +unbind-mouse all +bind-mouse 4-1 window-move +bind-mouse 4S-1 window-resize + +fontname "Go Mono:size=11" +borderwidth 2 +color inactiveborder rgb:4C/46/35 +color activeborder rgb:99/8D/6B +color urgencyborder rgb:A3/77/20 +color menubg rgb:14/13/0E +color menufg rgb:B7/A9/80 +color font rgb:B7/A9/80 +color selfont rgb:14/13/0E diff --git a/home/.config/git/config b/home/.config/git/config new file mode 100644 index 00000000..c990de2c --- /dev/null +++ b/home/.config/git/config @@ -0,0 +1,34 @@ +[user] + name = June McEnroe + email = june@causal.agency + +[branch] + sort = committerdate + +[commit] + verbose = true + +[diff] + colorMoved = default + colorMovedWS = allow-indentation-change + +[merge] + conflictStyle = diff3 + +[push] + autoSetupRemote = true + +[pull] + rebase = true + +[rebase] + autosquash = true + +[pretty] + log = %Cred%h %Creset%s%C(yellow)%d %Cgreen(%ar) %Cblue<%aN> + +[alias] + forgive = blame + +[include] + path = ./private diff --git a/home/.config/git/ignore b/home/.config/git/ignore new file mode 100644 index 00000000..fea54519 --- /dev/null +++ b/home/.config/git/ignore @@ -0,0 +1,2 @@ +*.DS_store +*.dSYM/ diff --git a/home/.config/htop/htoprc b/home/.config/htop/htoprc new file mode 100644 index 00000000..705323ef --- /dev/null +++ b/home/.config/htop/htoprc @@ -0,0 +1,38 @@ +# Beware! This file is rewritten by htop when settings are changed in the interface. +# The parser is also very primitive, and not human-friendly. +fields=0 48 39 2 46 49 1 +sort_key=47 +sort_direction=1 +tree_sort_key=0 +tree_sort_direction=1 +hide_kernel_threads=1 +hide_userland_threads=1 +shadow_other_users=0 +show_thread_names=0 +show_program_path=1 +highlight_base_name=1 +highlight_megabytes=1 +highlight_threads=1 +highlight_changes=0 +highlight_changes_delay_secs=5 +find_comm_in_cmdline=1 +strip_exe_from_cmdline=1 +show_merged_command=0 +tree_view=1 +tree_view_always_by_pid=0 +all_branches_collapsed=0 +header_margin=0 +detailed_cpu_time=0 +cpu_count_from_one=1 +show_cpu_usage=1 +show_cpu_frequency=0 +update_process_names=0 +account_guest_in_cpu_meter=0 +color_scheme=0 +enable_mouse=0 +delay=15 +left_meters=AllCPUs2 +left_meter_modes=1 +right_meters=Memory Swap +right_meter_modes=1 1 +hide_function_bar=2 diff --git a/home/.editrc b/home/.editrc new file mode 100644 index 00000000..cf779a7d --- /dev/null +++ b/home/.editrc @@ -0,0 +1 @@ +bind -v diff --git a/home/.gdbinit b/home/.gdbinit new file mode 100644 index 00000000..9422460c --- /dev/null +++ b/home/.gdbinit @@ -0,0 +1 @@ +set disassembly-flavor intel diff --git a/home/.hushlogin b/home/.hushlogin new file mode 100644 index 00000000..e69de29b --- /dev/null +++ b/home/.hushlogin diff --git a/home/.inputrc b/home/.inputrc new file mode 100644 index 00000000..b2cc9d61 --- /dev/null +++ b/home/.inputrc @@ -0,0 +1 @@ +set editing-mode vi diff --git a/home/.lldbinit b/home/.lldbinit new file mode 100644 index 00000000..73f3e676 --- /dev/null +++ b/home/.lldbinit @@ -0,0 +1 @@ +settings set target.x86-disassembly-flavor intel diff --git a/home/.local/bin/aes b/home/.local/bin/aes new file mode 100755 index 00000000..32b52637 --- /dev/null +++ b/home/.local/bin/aes @@ -0,0 +1,7 @@ +#!/bin/sh +set -eu + +enwiden() { + exec tr ' -~' ' ！-～' +} +[ $# -gt 0 ] && echo "$*" | enwiden || enwiden diff --git a/home/.local/bin/clock b/home/.local/bin/clock new file mode 100755 index 00000000..ef8cd6d8 --- /dev/null +++ b/home/.local/bin/clock @@ -0,0 +1,17 @@ +#!/bin/sh +set -eu + +tput civis +sleep=$(( 60 - $(date +'%S' | sed 's/^0//') )) +while :; do + if [ $(apm -a) -eq 1 ]; then + printf '%3s%%' "$(apm -l)" + else + test $(apm -b) -eq 2 && tput setaf 1 bold + printf '%3.3sm' "$(apm -m)" + tput sgr0 + fi + printf ' %s\r' "$(date +'%a %H:%M')" + sleep $sleep + sleep=60 +done diff --git a/home/.local/bin/def b/home/.local/bin/def new file mode 100755 index 00000000..6a1681d3 --- /dev/null +++ b/home/.local/bin/def @@ -0,0 +1,47 @@ +#!/bin/sh +set -eu + +macro=$1 +headers=' +assert.h +complex.h +ctype.h +errno.h +fenv.h +float.h +inttypes.h +iso646.h +limits.h +locale.h +math.h +setjmp.h +signal.h +stdalign.h +stdarg.h +stdatomic.h +stdbool.h +stddef.h +stdint.h +stdio.h +stdlib.h +stdnoreturn.h +string.h +tgmath.h +threads.h +time.h +uchar.h +wchar.h +wctype.h +' + +for header in $headers; do + defined=$( + echo "$macro" \ + | cc -E -x c -include "$header" - \ + 2> /dev/null \ + | tail -n 1 + ) + [ $? -ne 0 -o "$defined" = "$macro" ] && continue + echo "#include <${header}>" + echo "$defined" +done diff --git a/home/.local/bin/deg b/home/.local/bin/deg new file mode 100755 index 00000000..216029ed --- /dev/null +++ b/home/.local/bin/deg @@ -0,0 +1,6 @@ +#!/bin/sh +set -eu +cat <<EOF +${1}°F = $(dc -e "1k $(echo "$1" | sed 's/^-/_/') 32-1.8/p")°C +${1}°C = $(dc -e "1k $(echo "$1" | sed 's/^-/_/') 1.8*32+p")°F +EOF diff --git a/home/.local/bin/git-password b/home/.local/bin/git-password new file mode 100755 index 00000000..41351e38 --- /dev/null +++ b/home/.local/bin/git-password @@ -0,0 +1,7 @@ +#!/bin/sh +set -eu + +url=$1 +echo "url=${url}" \ + | git credential fill \ + | sed -En 's/^password=(.*)/\1/p' diff --git a/home/.local/bin/mdate b/home/.local/bin/mdate new file mode 100755 index 00000000..daff50dc --- /dev/null +++ b/home/.local/bin/mdate @@ -0,0 +1,2 @@ +#!/bin/sh +exec date +'.Dd %B %e, %Y' diff --git a/home/.local/bin/mins b/home/.local/bin/mins new file mode 100755 index 00000000..9cbd5fa8 --- /dev/null +++ b/home/.local/bin/mins @@ -0,0 +1,4 @@ +#!/bin/sh +exec dc <<EOF +$1 60~rn[h]nn[m]p +EOF diff --git a/home/.local/bin/nasd b/home/.local/bin/nasd new file mode 100755 index 00000000..60241395 --- /dev/null +++ b/home/.local/bin/nasd @@ -0,0 +1,14 @@ +#!/bin/sh +set -eu + +dir=$(mktemp -d) +trap 'rm -r "$dir"' EXIT + +echo 'bits 64' >"${dir}/input" +for ins; do + printf '%s\n' "$ins" >>"${dir}/input" +done +[ $# -eq 0 ] && cat >>"${dir}/input" + +nasm -o "${dir}/output" "${dir}/input" +ndisasm -b 64 "${dir}/output" diff --git a/home/.local/bin/notify-send b/home/.local/bin/notify-send new file mode 100755 index 00000000..5630440d --- /dev/null +++ b/home/.local/bin/notify-send @@ -0,0 +1,9 @@ +#!/usr/bin/osascript + +on run argv + if count of argv is 2 then + display notification (item 2 of argv) with title (item 1 of argv) + else + display notification (item 1 of argv) + end if +end run diff --git a/home/.local/bin/np b/home/.local/bin/np new file mode 100755 index 00000000..b0eb2326 --- /dev/null +++ b/home/.local/bin/np @@ -0,0 +1,7 @@ +#!/usr/bin/osascript + +tell application "Music" + tell current track + get "/me is listening to " & artist & " — " & name + end tell +end tell diff --git a/home/.local/bin/open b/home/.local/bin/open new file mode 100755 index 00000000..9439f07d --- /dev/null +++ b/home/.local/bin/open @@ -0,0 +1,19 @@ +#!/bin/sh +set -eu + +if [ -n "${SSH_CLIENT:-}" ]; then + exec pbd -o "$@" +fi + +case "$1" in + (*.gif|*.jpeg|*.jpg|*.png) + curl -LSs "$1" | imv - + ;; + (https://youtu.be/*|https://www.youtube.com/watch*|https://twitch.tv/*) + ulimit -c 0 # mpv segfaults on exit every time on OpenBSD... + exec mpv "$1" >/dev/null 2>&1 + ;; + (*) + exec firefox -new-tab "$1" >/dev/null 2>&1 + ;; +esac diff --git a/home/.local/bin/pbcopy b/home/.local/bin/pbcopy new file mode 100755 index 00000000..a804f836 --- /dev/null +++ b/home/.local/bin/pbcopy @@ -0,0 +1,11 @@ +#!/bin/sh +set -eu + +if [ -n "${SSH_CLIENT:-}" ]; then + exec pbd -c +elif [ -n "${DISPLAY:-}" ]; then + exec xsel -bi +else + echo "${0}: don't know what to do" >&2 + exit 1 +fi diff --git a/home/.local/bin/pbpaste b/home/.local/bin/pbpaste new file mode 100755 index 00000000..2924f01e --- /dev/null +++ b/home/.local/bin/pbpaste @@ -0,0 +1,11 @@ +#!/bin/sh +set -eu + +if [ -n "${SSH_CLIENT:-}" ]; then + exec pbd -p +elif [ -n "${DISPLAY:-}" ]; then + exec xsel -bo +else + echo "${0}: don't know what to do" >&2 + exit 1 +fi diff --git a/home/.local/bin/versions b/home/.local/bin/versions new file mode 100755 index 00000000..25e5ff72 --- /dev/null +++ b/home/.local/bin/versions @@ -0,0 +1,9 @@ +#!/bin/sh +set -u + +for repo in ~/src/git/*; do + version=$(git -C "${repo}" describe --dirty 2>/dev/null) + if [ $? -eq 0 ]; then + echo "${repo##*/}-${version#v}" + fi +done | sort -nr -t '-' -k 3 | column -t -s '-' diff --git a/home/.local/bin/whinclude b/home/.local/bin/whinclude new file mode 100755 index 00000000..26445cdc --- /dev/null +++ b/home/.local/bin/whinclude @@ -0,0 +1,11 @@ +#!/bin/sh +set -eu + +echo "#include <${1}>" | +cc ${CFLAGS:-} -E -x c - | +sed -En ' + /^# [0-9]+ "[^<]/{ + s/.*"([^"]+)".*/\1/p + q + } +' diff --git a/home/.profile b/home/.profile new file mode 100644 index 00000000..7d4ba822 --- /dev/null +++ b/home/.profile @@ -0,0 +1,28 @@ +_PATH=$PATH PATH= +path() { test -d "$1" && PATH="${PATH}${PATH:+:}${1}"; } +for prefix in '' /usr/local /opt/local /usr ~/.local ~/.cargo; do + path "${prefix}/sbin" + path "${prefix}/bin" +done +path /usr/X11R6/bin +path /usr/games +export MANPATH=:~/.local/share/man + +export EDITOR=vi +command -v nvi >/dev/null && EDITOR=nvi +export EXINIT='set ai extended iclower sm sw=4 ts=4 para=BlBdPpIt sect=ShSs +map gg 1G' +export PAGER=less +export LESS=FRXix4 +export CLICOLOR=1 +export MANSECT=2:3:1:8:6:5:7:4:9 +export NETHACKOPTIONS='pickup_types:$!?+/=, color, DECgraphics' +command -v diff-highlight >/dev/null && +export GIT_PAGER="diff-highlight | $PAGER" + +test -e /usr/share/mk/sys.mk || export CFLAGS=-O +test -d /usr/home && cd + +test -f ~/.profile.local && . ~/.profile.local + +export ENV=~/.shrc diff --git a/home/.shrc b/home/.shrc new file mode 100644 index 00000000..afa87fe5 --- /dev/null +++ b/home/.shrc @@ -0,0 +1,54 @@ +set -o noclobber -o nounset -o vi + +CDPATH=:~ + +alias vi=$EDITOR +alias ls='LC_COLLATE=C ls -p' +alias ll='ls -hl' +alias ff='find . -type f -name' +alias bc='bc -l' +alias ag='ag --pager=$PAGER' +alias gs='git status --short --branch || ls' gd='git diff' +alias gsh='git show' gl='git log --graph --pretty=log' +alias gco='git checkout' gb='git branch' gm='git merge' gst='git stash' +alias ga='git add' gmv='git mv' grm='git rm' +alias gc='git commit' gca='gc --amend' gt='git tag' +alias gp='git push' gu='git pull' gf='git fetch' +alias gr='git rebase' grc='git rebase --continue' +alias rand='openssl rand -base64 33' +alias private='eval "$(gpg -d ~/.private)"' +command -v doas >/dev/null || alias doas=sudo + +man() { + test $# -ne 1 && { command man "$@"; return $?; } + (IFS=: + for sect in $MANSECT; do + command man -w $sect "$1" >/dev/null 2>&1 && exec man $sect "$1" + done + exec command man "$1") +} + +cd() { + local path + if [ $# -eq 0 ]; then + command cd + elif [ "${1%%:*}" != "$1" ]; then + path=${1#*:} + [ -n "${path}" ] || path=${PWD#${HOME}/} + SSH_CD=$path ssh -o SendEnv=SSH_CD "${1%%:*}" + elif [ -e "$1" -a ! -d "$1" ]; then + command cd "${1%/*}" && $EDITOR "${1##*/}" + else + command cd "$@" + fi +} +if [ -n "${SSH_CD:-}" ]; then + cd "${SSH_CD}" + unset SSH_CD +fi + +export LESS_TERMCAP_us=$(tput sitm) +export LESS_TERMCAP_ue=$(tput ritm) + +PS1='\[\033]0;${SSH_CLIENT:+\\h:}\W\a\] +${?#0}$ ' diff --git a/home/.ssh/config b/home/.ssh/config new file mode 100644 index 00000000..f579ae9f --- /dev/null +++ b/home/.ssh/config @@ -0,0 +1,17 @@ +IgnoreUnknown Include +Include config_private + +AddKeysToAgent yes +SendEnv LANG LC_* + +Host tuesday beastie puffy toaster tux progynova + HostName %h.local + ForwardAgent yes + RemoteForward 7062 127.0.0.1:7062 + +Host scout soldier pyro demo heavy engi medic sniper spy + HostName %h.causal.agency + Port 2222 + +Host git.causal.agency temp.causal.agency + Port 2222 diff --git a/home/.xsession b/home/.xsession new file mode 100644 index 00000000..1e05126c --- /dev/null +++ b/home/.xsession @@ -0,0 +1,14 @@ +. ~/.profile +export LC_CTYPE=en_US.UTF-8 + +xset r rate 175 m 5/4 0 +xmodmap ~/.config/X/modmap +xrdb -load ~/.config/X/resources + +fg=998D6B +command -v scheme && fg=$(scheme -p $(jot -r 1 1 8)) +xsetroot -bitmap /usr/X11R6/include/X11/bitmaps/escherknot \ + -bg '#14130E' -fg "#${fg}" + +xterm -name clock -geometry 14x1-0+0 -sl 0 -e clock & +exec cwm -c ~/.config/cwm/cwmrc diff --git a/install.sh b/install.sh new file mode 100644 index 00000000..11269fb7 --- /dev/null +++ b/install.sh @@ -0,0 +1,39 @@ +#!/bin/sh +set -eu + +X= +while getopts 'X' opt; do + case "$opt" in + (X) X=1;; + (?) exit 1;; + esac +done + +packages='curl htop sl the_silver_searcher tree' + +FreeBSD() { + pkg install ddate $packages +} + +OpenBSD() { + pkg_add $packages + if test $X; then + pkg_add firefox go-fonts imv scrot sct w3m-- xcursor-dmz xsel + fi +} + +Linux() { + packages=$( + echo $packages | sed 's/the_silver_searcher/silversearcher-ag/' + ) + apt-get install bc build-essential exuberant-ctags gdb nvi $packages +} + +Darwin() { + packages=$(echo $packages | sed 's/the_silver_searcher/ag/') + cd git/jorts + git pull + ./Install git mandoc nvi $packages +} + +$(uname) diff --git a/link.sh b/link.sh new file mode 100644 index 00000000..6763f2e0 --- /dev/null +++ b/link.sh @@ -0,0 +1,23 @@ +#!/bin/sh +set -eu + +die() { + echo "$*" + exit 1 +} + +if [ $# -eq 1 ]; then + link=$1 + file="${PWD}/home/${link#${HOME}/}" + [ ! -f "$file" ] || die "${file} exists" + mkdir -p "${file%/*}" + mv "$link" "$file" +fi + +find home -type f | while read -r find; do + file="${PWD}/${find}" + link="${HOME}/${find#home/}" + mkdir -p "${link%/*}" + [ \( -f "$link" -a -L "$link" \) -o ! -f "$link" ] || die "${link} exists" + ln -fs "$file" "$link" +done diff --git a/port/caesar/.gitignore b/port/caesar/.gitignore new file mode 100644 index 00000000..e2c3034b --- /dev/null +++ b/port/caesar/.gitignore @@ -0,0 +1,2 @@ +caesar +rot13 diff --git a/port/caesar/Makefile b/port/caesar/Makefile new file mode 100644 index 00000000..01205b16 --- /dev/null +++ b/port/caesar/Makefile @@ -0,0 +1,19 @@ +PREFIX = ~/.local +MANDIR = ${PREFIX}/share/man + +LDLIBS = -lm + +all: caesar rot13 + +clean: + rm -f caesar rot13 + +install: caesar rot13 caesar.6 + install -d ${PREFIX}/bin ${MANDIR}/man6 + install caesar rot13 ${PREFIX}/bin + install -m 644 caesar.6 ${MANDIR}/man6/caesar.6 + install -m 644 caesar.6 ${MANDIR}/man6/rot13.6 + +uninstall: + rm -f ${PREFIX}/bin/caesar ${PREFIX}/bin/rot13 + rm -f ${MANDIR}/man6/caesar.6 ${MANDIR}/man6/rot13.6 diff --git a/port/caesar/caesar.6 b/port/caesar/caesar.6 new file mode 100644 index 00000000..4c4bbfb4 --- /dev/null +++ b/port/caesar/caesar.6 @@ -0,0 +1,73 @@ +.\" Copyright (c) 1989, 1991, 1993 +.\" The Regents of the University of California. All rights reserved. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions +.\" are met: +.\" 1. Redistributions of source code must retain the above copyright +.\" notice, this list of conditions and the following disclaimer. +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice, this list of conditions and the following disclaimer in the +.\" documentation and/or other materials provided with the distribution. +.\" 3. Neither the name of the University nor the names of its contributors +.\" may be used to endorse or promote products derived from this software +.\" without specific prior written permission. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND +.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE +.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +.\" SUCH DAMAGE. +.\" +.\" @(#)caesar.6 8.2 (Berkeley) 11/16/93 +.\" $FreeBSD: releng/11.2/usr.bin/caesar/caesar.6 216239 2010-12-06 19:12:51Z uqs $ +.\" +.Dd November 16, 1993 +.Dt CAESAR 6 +.Os +.Sh NAME +.Nm caesar , rot13 +.Nd decrypt caesar ciphers +.Sh SYNOPSIS +.Nm +.Op Ar rotation +.Nm rot13 +.Sh DESCRIPTION +The +.Nm +utility attempts to decrypt caesar ciphers using English letter frequency +statistics. +.Nm Caesar +reads from the standard input and writes to the standard output. +.Pp +The optional numerical argument +.Ar rotation +may be used to specify a specific rotation value. +If invoked as +.Nm rot13 , +a rotation value of 13 will be used. +.Pp +The frequency (from most common to least) of English letters is as follows: +.Bd -ragged -offset indent +ETAONRISHDLFCMUGPYWBVKXJQZ +.Ed +.Pp +Their frequencies as a percentage are as follows: +.Bd -ragged -offset indent +E(13), T(10.5), A(8.1), O(7.9), N(7.1), R(6.8), I(6.3), S(6.1), H(5.2), +D(3.8), L(3.4), F(2.9), C(2.7), M(2.5), U(2.4), G(2), +P(1.9), Y(1.9), +W(1.5), B(1.4), V(.9), K(.4), X(.15), J(.13), Q(.11), Z(.07). +.Ed +.Pp +Rotated postings to +.Tn USENET +and some of the databases used by the +.Xr fortune 6 +program are rotated by 13 characters. diff --git a/port/caesar/caesar.c b/port/caesar/caesar.c new file mode 100644 index 00000000..cd6cd579 --- /dev/null +++ b/port/caesar/caesar.c @@ -0,0 +1,159 @@ +/* + * Copyright (c) 1989, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Rick Adams. + * + * Authors: + * Stan King, John Eldridge, based on algorithm suggested by + * Bob Morris + * 29-Sep-82 + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#if 0 +#ifndef lint +static const char copyright[] = +"@(#) Copyright (c) 1989, 1993\n\ + The Regents of the University of California. All rights reserved.\n"; +#endif /* not lint */ + +#ifndef lint +static const char sccsid[] = "@(#)caesar.c 8.1 (Berkeley) 5/31/93"; +#endif /* not lint */ +#endif +#include <sys/cdefs.h> +//__FBSDID("$FreeBSD: releng/11.2/usr.bin/caesar/caesar.c 241846 2012-10-22 03:06:53Z eadler $"); + +#include <errno.h> +#include <math.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <ctype.h> +#include <unistd.h> + +#define LINELENGTH 2048 +#define ROTATE(ch, perm) \ + isascii(ch) ? ( \ + isupper(ch) ? ('A' + (ch - 'A' + perm) % 26) : \ + islower(ch) ? ('a' + (ch - 'a' + perm) % 26) : ch) : ch + +/* + * letter frequencies (taken from some unix(tm) documentation) + * (unix is a trademark of Bell Laboratories) + */ +static double stdf[26] = { + 7.97, 1.35, 3.61, 4.78, 12.37, 2.01, 1.46, 4.49, 6.39, 0.04, + 0.42, 3.81, 2.69, 5.92, 6.96, 2.91, 0.08, 6.63, 8.77, 9.68, + 2.62, 0.81, 1.88, 0.23, 2.07, 0.06, +}; + +static void printit(char *); + +int +main(int argc, char **argv) +{ + int ch, dot, i, nread, winnerdot = 0; + char *inbuf; + int obs[26], try, winner; + + if (argc > 1) + printit(argv[1]); + + if (!(inbuf = malloc((size_t)LINELENGTH))) { + (void)fprintf(stderr, "caesar: out of memory.\n"); + exit(1); + } + + /* adjust frequency table to weight low probs REAL low */ + for (i = 0; i < 26; ++i) + stdf[i] = log(stdf[i]) + log(26.0 / 100.0); + + /* zero out observation table */ + bzero(obs, 26 * sizeof(int)); + + if ((nread = read(STDIN_FILENO, inbuf, (size_t)LINELENGTH)) < 0) { + (void)fprintf(stderr, "caesar: %s\n", strerror(errno)); + exit(1); + } + for (i = nread; i--;) { + ch = (unsigned char) inbuf[i]; + if (isascii(ch)) { + if (islower(ch)) + ++obs[ch - 'a']; + else if (isupper(ch)) + ++obs[ch - 'A']; + } + } + + /* + * now "dot" the freqs with the observed letter freqs + * and keep track of best fit + */ + for (try = winner = 0; try < 26; ++try) { /* += 13) { */ + dot = 0; + for (i = 0; i < 26; i++) + dot += obs[i] * stdf[(i + try) % 26]; + /* initialize winning score */ + if (try == 0) + winnerdot = dot; + if (dot > winnerdot) { + /* got a new winner! */ + winner = try; + winnerdot = dot; + } + } + + for (;;) { + for (i = 0; i < nread; ++i) { + ch = (unsigned char) inbuf[i]; + putchar(ROTATE(ch, winner)); + } + if (nread < LINELENGTH) + break; + if ((nread = read(STDIN_FILENO, inbuf, (size_t)LINELENGTH)) < 0) { + (void)fprintf(stderr, "caesar: %s\n", strerror(errno)); + exit(1); + } + } + exit(0); +} + +static void +printit(char *arg) +{ + int ch, rot; + + if ((rot = atoi(arg)) < 0) { + (void)fprintf(stderr, "caesar: bad rotation value.\n"); + exit(1); + } + while ((ch = getchar()) != EOF) + putchar(ROTATE(ch, rot)); + exit(0); +} diff --git a/port/caesar/rot13.sh b/port/caesar/rot13.sh new file mode 100644 index 00000000..8ce4b94e --- /dev/null +++ b/port/caesar/rot13.sh @@ -0,0 +1,33 @@ +#!/bin/sh - +# +# Copyright (c) 1992, 1993 +# The Regents of the University of California. All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# 1. Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# 2. Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution. +# 3. Neither the name of the University nor the names of its contributors +# may be used to endorse or promote products derived from this software +# without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND +# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +# ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE +# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +# SUCH DAMAGE. +# +# @(#)rot13.sh 8.1 (Berkeley) 5/31/93 +# $FreeBSD: releng/11.2/usr.bin/caesar/rot13.sh 278616 2015-02-12 05:35:00Z cperciva $ + +exec caesar 13 "$@" diff --git a/port/cgram/.gitignore b/port/cgram/.gitignore new file mode 100644 index 00000000..d4f2ec10 --- /dev/null +++ b/port/cgram/.gitignore @@ -0,0 +1 @@ +cgram diff --git a/port/cgram/Makefile b/port/cgram/Makefile new file mode 100644 index 00000000..02f11eec --- /dev/null +++ b/port/cgram/Makefile @@ -0,0 +1,17 @@ +PREFIX = ~/.local +MANDIR = ${PREFIX}/share/man + +LDLIBS = -lcurses + +cgram: + +clean: + rm -f cgram + +install: cgram cgram.6 + install -d ${PREFIX}/bin ${MANDIR}/man6 + install cgram ${PREFIX}/bin + install -m 644 cgram.6 ${MANDIR}/man6 + +uninstall: + rm -f ${PREFIX}/bin/cgram ${MANDIR}/man6/cgram.6 diff --git a/port/cgram/cgram.6 b/port/cgram/cgram.6 new file mode 100644 index 00000000..9f315804 --- /dev/null +++ b/port/cgram/cgram.6 @@ -0,0 +1,65 @@ +.\" $NetBSD: cgram.6,v 1.2 2013/08/04 07:55:09 wiz Exp $ +.\" +.\" Copyright (c) 2004, 2013 The NetBSD Foundation, Inc. +.\" All rights reserved. +.\" +.\" This code is derived from software contributed to The NetBSD Foundation +.\" by David A. Holland. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions +.\" are met: +.\" 1. Redistributions of source code must retain the above copyright +.\" notice, this list of conditions and the following disclaimer. +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice, this list of conditions and the following disclaimer in the +.\" documentation and/or other materials provided with the distribution. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS +.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED +.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR +.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS +.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR +.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF +.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS +.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN +.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) +.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE +.\" POSSIBILITY OF SUCH DAMAGE. +.\" +.Dd August 3, 2013 +.Dt CGRAM 6 +.Os +.Sh NAME +.Nm cgram +.Nd solve Sunday-paper cryptograms +.Sh SYNOPSIS +.Nm +.Sh DESCRIPTION +.Nm +is a curses-based widget for solving Sunday-paper-type cryptograms +based on substitution ciphers. +A random cleartext is chosen using +.Xr fortune 6 +and a random substitution key is generated. +.Pp +The ciphertext is displayed. +Typing a letter changes the key so that the letter under the cursor +maps to the newly typed letter, and updates the display accordingly. +Use Emacs-type cursor commands to move around. +Enter a tilde +.Pq ~ +to quit. +Press asterisk +.Pq * +to enter an easier mode where correct letters are displayed in +boldface. +.Sh SEE ALSO +.Xr caesar 6 +.Sh HISTORY +.Nm +was written circa 2004. +It was imported into +.Nx +in 2013 and first appeared in +.Nx 7.0 . diff --git a/port/cgram/cgram.c b/port/cgram/cgram.c new file mode 100644 index 00000000..76ea55fb --- /dev/null +++ b/port/cgram/cgram.c @@ -0,0 +1,344 @@ +/*- + * Copyright (c) 2013 The NetBSD Foundation, Inc. + * All rights reserved. + * + * This code is derived from software contributed to The NetBSD Foundation + * by David A. Holland. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED + * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS + * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#include <stdio.h> +#include <string.h> +#include <stdlib.h> +#include <ctype.h> +#include <time.h> +#include <err.h> +#include <assert.h> +#include <curses.h> +#include "pathnames.h" + +//////////////////////////////////////////////////////////// + +static char *xstrdup(const char *s) { + char *ret; + + ret = malloc(strlen(s) + 1); + if (ret == NULL) { + errx(1, "Out of memory"); + } + strcpy(ret, s); + return ret; +} + +//////////////////////////////////////////////////////////// + +struct stringarray { + char **v; + int num; +}; + +static void stringarray_init(struct stringarray *a) { + a->v = NULL; + a->num = 0; +} + +static void stringarray_cleanup(struct stringarray *a) { + free(a->v); +} + +static void stringarray_add(struct stringarray *a, const char *s) { + a->v = realloc(a->v, (a->num + 1) * sizeof(a->v[0])); + if (a->v == NULL) { + errx(1, "Out of memory"); + } + a->v[a->num] = xstrdup(s); + a->num++; +} + +//////////////////////////////////////////////////////////// + +static struct stringarray lines; +static struct stringarray sollines; +static bool hinting; +static int scrolldown; +static unsigned curx; +static int cury; + +static void readquote(void) { + FILE *f = popen(_PATH_FORTUNE, "r"); + if (!f) { + err(1, "%s", _PATH_FORTUNE); + } + + char buf[128], buf2[8*sizeof(buf)]; + while (fgets(buf, sizeof(buf), f)) { + char *s = strrchr(buf, '\n'); + assert(s); + assert(strlen(s)==1); + *s = 0; + + int i,j; + for (i=j=0; buf[i]; i++) { + if (buf[i]=='\t') { + buf2[j++] = ' '; + while (j%8) buf2[j++] = ' '; + } + else if (buf[i]=='\b') { + if (j>0) j--; + } + else { + buf2[j++] = buf[i]; + } + } + buf2[j] = 0; + + stringarray_add(&lines, buf2); + stringarray_add(&sollines, buf2); + } + + pclose(f); +} + +static void encode(void) { + int used[26]; + for (int i=0; i<26; i++) used[i] = 0; + + int key[26]; + int keypos=0; + while (keypos < 26) { + int c = random()%26; + if (used[c]) continue; + key[keypos++] = c; + used[c] = 1; + } + + for (int y=0; y<lines.num; y++) { + for (unsigned x=0; lines.v[y][x]; x++) { + if (islower((unsigned char)lines.v[y][x])) { + int q = lines.v[y][x]-'a'; + lines.v[y][x] = 'a'+key[q]; + } + if (isupper((unsigned char)lines.v[y][x])) { + int q = lines.v[y][x]-'A'; + lines.v[y][x] = 'A'+key[q]; + } + } + } +} + +static int substitute(int ch) { + assert(cury>=0 && cury<lines.num); + if (curx >= strlen(lines.v[cury])) { + beep(); + return -1; + } + + int och = lines.v[cury][curx]; + if (!isalpha((unsigned char)och)) { + beep(); + return -1; + } + + int loch = tolower((unsigned char)och); + int uoch = toupper((unsigned char)och); + int lch = tolower((unsigned char)ch); + int uch = toupper((unsigned char)ch); + + for (int y=0; y<lines.num; y++) { + for (unsigned x=0; lines.v[y][x]; x++) { + if (lines.v[y][x]==loch) { + lines.v[y][x] = lch; + } + else if (lines.v[y][x]==uoch) { + lines.v[y][x] = uch; + } + else if (lines.v[y][x]==lch) { + lines.v[y][x] = loch; + } + else if (lines.v[y][x]==uch) { + lines.v[y][x] = uoch; + } + } + } + return 0; +} + +//////////////////////////////////////////////////////////// + +static void redraw(void) { + erase(); + bool won = true; + for (int i=0; i<LINES-1; i++) { + move(i, 0); + int ln = i+scrolldown; + if (ln < lines.num) { + for (unsigned j=0; lines.v[i][j]; j++) { + int ch = lines.v[i][j]; + if (ch != sollines.v[i][j] && isalpha((unsigned char)ch)) { + won = false; + } + bool bold=false; + if (hinting && ch==sollines.v[i][j] && + isalpha((unsigned char)ch)) { + bold = true; + attron(A_BOLD); + } + addch(lines.v[i][j]); + if (bold) { + attroff(A_BOLD); + } + } + } + clrtoeol(); + } + + move(LINES-1, 0); + if (won) { + addstr("*solved* "); + } + addstr("~ to quit, * to cheat, ^pnfb to move"); + + move(LINES-1, 0); + + move(cury-scrolldown, curx); + + refresh(); +} + +static void opencurses(void) { + initscr(); + cbreak(); + noecho(); +} + +static void closecurses(void) { + endwin(); +} + +//////////////////////////////////////////////////////////// + +static void loop(void) { + bool done=false; + while (!done) { + redraw(); + int ch = getch(); + switch (ch) { + case 1: /* ^A */ + curx=0; + break; + case 2: /* ^B */ + if (curx > 0) { + curx--; + } + else if (cury > 0) { + cury--; + curx = strlen(lines.v[cury]); + } + break; + case 5: /* ^E */ + curx = strlen(lines.v[cury]); + break; + case 6: /* ^F */ + if (curx < strlen(lines.v[cury])) { + curx++; + } + else if (cury < lines.num - 1) { + cury++; + curx = 0; + } + break; + case 12: /* ^L */ + clear(); + break; + case 14: /* ^N */ + if (cury < lines.num-1) { + cury++; + } + if (curx > strlen(lines.v[cury])) { + curx = strlen(lines.v[cury]); + } + if (scrolldown < cury - (LINES-2)) { + scrolldown = cury - (LINES-2); + } + break; + case 16: /* ^P */ + if (cury > 0) { + cury--; + } + if (curx > strlen(lines.v[cury])) { + curx = strlen(lines.v[cury]); + } + if (scrolldown > cury) { + scrolldown = cury; + } + break; + case '*': + hinting = !hinting; + break; + case '~': + done = true; + break; + default: + if (isalpha(ch)) { + if (!substitute(ch)) { + if (curx < strlen(lines.v[cury])) { + curx++; + } + if (curx==strlen(lines.v[cury]) && cury < lines.num-1) { + curx=0; + cury++; + } + } + } + else if (curx < strlen(lines.v[cury]) && ch==lines.v[cury][curx]) { + curx++; + if (curx==strlen(lines.v[cury]) && cury < lines.num-1) { + curx=0; + cury++; + } + } + else { + beep(); + } + break; + } + } +} + +//////////////////////////////////////////////////////////// + +int main(void) { + stringarray_init(&lines); + stringarray_init(&sollines); + srandom(time(NULL)); + readquote(); + encode(); + opencurses(); + + loop(); + + closecurses(); + stringarray_cleanup(&sollines); + stringarray_cleanup(&lines); + return 0; +} diff --git a/port/cgram/pathnames.h b/port/cgram/pathnames.h new file mode 100644 index 00000000..40db1eed --- /dev/null +++ b/port/cgram/pathnames.h @@ -0,0 +1,30 @@ +/*- + * Copyright (c) 2013 The NetBSD Foundation, Inc. + * All rights reserved. + * + * This code is derived from software contributed to The NetBSD Foundation + * by David A. Holland. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED + * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS + * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#define _PATH_FORTUNE "fortune" diff --git a/port/ddate/.gitignore b/port/ddate/.gitignore new file mode 100644 index 00000000..eaa8a5fd --- /dev/null +++ b/port/ddate/.gitignore @@ -0,0 +1 @@ +ddate diff --git a/port/ddate/Makefile b/port/ddate/Makefile new file mode 100644 index 00000000..c1bc4553 --- /dev/null +++ b/port/ddate/Makefile @@ -0,0 +1,15 @@ +PREFIX ?= ~/.local +MANDIR ?= ${PREFIX}/share/man + +ddate: + +clean: + rm -f ddate + +install: ddate ddate.1 + install -d ${PREFIX}/bin ${MANDIR}/man1 + install ddate ${PREFIX}/bin + install -m 644 ddate.1 ${MANDIR}/man1 + +uninstall: + rm -f ${PREFIX}/bin/ddate ${MANDIR}/man1/ddate.1 diff --git a/port/ddate/ddate.1 b/port/ddate/ddate.1 new file mode 100644 index 00000000..c340578f --- /dev/null +++ b/port/ddate/ddate.1 @@ -0,0 +1,117 @@ +.\" All Rites Reversed. This file is in the PUBLIC DOMAIN. +.\" Kallisti. +.TH DDATE 1 "Bureaucracy 3161" "ddate" "Emperor Norton User Command" +.SH NAME +ddate \- convert Gregorian dates to Discordian dates +.SH SYNOPSIS +.B ddate +.RI [ \fB+\fPformat] +.RI [ date ] +.SH DESCRIPTION +.B ddate +prints the date in Discordian date format. +.PP +If called with no arguments, +.B ddate +will get the current system date, convert this to the Discordian +date format and print this on the standard output. Alternatively, a +Gregorian date may be specified on the command line, in the form of a numerical +day, month and year. +.PP +If a format string is specified, the Discordian date will be printed in +a format specified by the string. This mechanism works similarly to the +format string mechanism of +.B date(1), +only almost completely differently. The fields are: +.IP %A +Full name of the day of the week (i.e., Sweetmorn) +.IP %a +Abbreviated name of the day of the week (i.e., SM) +.IP %B +Full name of the season (i.e., Chaos) +.IP %b +Abbreviated name of the season (i.e., Chs) +.IP %d +Cardinal number of day in season (i.e., 23) +.IP %e +Ordinal number of day in season (i.e., 23rd) +.IP %H +Name of current Holyday, if any +.IP %N +Magic code to prevent rest of format from being printed unless today is +a Holyday. +.IP %n +Newline +.IP %t +Tab +.IP %X +Number of days remaining until X-Day. (Not valid if the SubGenius options +are not compiled in.) +.IP %Y +The year of our Lady Discord (i.e., 3182) +.IP %{ +.IP %} +Used to enclose the part of the string which is to be replaced with the +words "St. Tib's Day" if the current day is St. Tib's Day. +.IP %\. +Try it and see. +.bp +.SH EXAMPLES +.nf +% ddate +.br +Sweetmorn, Bureaucracy 42, 3161 YOLD +.PP +% ddate +'Today is %{%A, the %e of %B%}, %Y. %N%nCelebrate %H' +.br +Today is Sweetmorn, the 42nd of Bureaucracy, 3161. +.PP +% ddate +"It's %{%A, the %e of %B%}, %Y. %N%nCelebrate %H" 26 9 1995 +.br +It's Prickle-Prickle, the 50th of Bureaucracy, 3161. +.br +Celebrate Bureflux +.PP +% ddate +"Today's %{%A, the %e of %B%}, %Y. %N%nCelebrate %H" 29 2 1996 +.br +Today's St. Tib's Day, 3162. +.br + +.SH BUGS + +.B ddate(1) +will produce undefined behavior if asked to produce the date for St. Tib's +day and its format string does not contain the St. Tib's Day delimiters +%{ and %}. + +.SH NOTE + +After `X-Day' passed without incident, the Church of the SubGenius +declared that it had got the year upside down - X-Day is actually in 8661 AD +rather than 1998 AD. Thus, the True X-Day is Cfn 40, 9827. + +.SH AUTHOR +.nh +Original program by Druel the Chaotic aka Jeremy Johnson (mpython@gnu.ai.mit.edu) +.br +Major rewrite by Lee H:. O:. Smith, KYTP, aka Andrew Bulhak (acb@dev.null.org) +.br +Gregorian B.C.E. dates fixed by Chaplain Nyan the Wiser, aka Dan Dart (ntw@dandart.co.uk) +.br +Five tons of flax. + +.SH DISTRIBUTION POLICY + +Public domain. All rites reversed. + +.SH SEE ALSO + +date(1), +.br +http://www.subgenius.com/ +.br +Malaclypse the Younger, +.I "Principia Discordia, Or How I Found Goddess And What I Did To Her When I Found Her" + +.SH AVAILABILITY +The ddate command is available from https://github.com/bo0ts/ddate. diff --git a/port/ddate/ddate.c b/port/ddate/ddate.c new file mode 100644 index 00000000..c0a6bf37 --- /dev/null +++ b/port/ddate/ddate.c @@ -0,0 +1,399 @@ +/* $ DVCS ID: $jer|,523/lhos,KYTP!41023161\b"?" <<= DO NOT DELETE! */ + +/* ddate.c .. converts boring normal dates to fun Discordian Date -><- + written the 65th day of The Aftermath in the Year of Our Lady of + Discord 3157 by Druel the Chaotic aka Jeremy Johnson aka + mpython@gnu.ai.mit.edu + 28 Sever St Apt #3 + Worcester MA 01609 + + and I'm not responsible if this program messes anything up (except your + mind, I'm responsible for that) + + (k) YOLD 3161 and all time before and after. + Reprint, reuse, and recycle what you wish. + This program is in the public domain. Distribute freely. Or not. + + Majorly hacked, extended and bogotified/debogotified on + Sweetmorn, Bureaucracy 42, 3161 YOLD, by Lee H:. O:. Smith, KYTP, + aka Andrew Bulhak, aka acb@dev.null.org + + Slightly hackled and crackled by a sweet firey stove on + Boomtime, the 53rd day of Bureaucracy in the YOLD 3179, + by Chaplain Nyan the Wiser, aka Dan Dart, aka ntw@dandart.co.uk + + and I'm not responsible if this program messes anything up (except your + mind, I'm responsible for that) (and that goes for me as well --lhos) + + Version history: + Bureflux 3161: First release of enhanced ddate with format strings + 59 Bcy, 3161: PRAISE_BOB and KILL_BOB options split, other minor + changes. + 53 Bcy, 3179: Fixed gregorian date conversions less than YOLD 1167 + + 1999-02-22 Arkadiusz Miskiewicz <misiek@pld.ORG.PL> + - added Native Language Support + + 2000-03-17 Burt Holzman <holzman+ddate@gmail.com> + - added range checks for dates + + 2014-06-07 William Woodruff <william@tuffbizz.com> + - removed gettext dependent locale code + + 15th of Confusion, 3180: + - call out adherents of the wrong fruit + + FIVE TONS OF FLAX +*/ + +/* configuration options VVVVV READ THIS!!! */ + +/* If you wish ddate(1) to print the date in the same format as Druel's + * original ddate when called in immediate mode, define OLD_IMMEDIATE_FMT + */ + +#define OLD_IMMEDIATE_FMT + +/* If you wish to use the US format for aneristic dates (m-d-y), as opposed to + * the Commonwealth format, define US_FORMAT. + */ + +/* #define US_FORMAT */ + +/* If you are ideologically, theologically or otherwise opposed to the + * Church of the SubGenius and do not wish your copy of ddate(1) to contain + * code for counting down to X-Day, undefine KILL_BOB */ + +#define KILL_BOB 13013 + +/* If you wish ddate(1) to contain SubGenius slogans, define PRAISE_BOB */ + +/*#define PRAISE_BOB 13013*/ + +#include <stdlib.h> +#include <string.h> +#include <time.h> +#include <stdio.h> + + +// work around includes and defines from formerly c.h +#ifndef ARRAY_SIZE +# define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr)) +#endif + +/* &a[0] degrades to a pointer: a different type from an array */ +# define __must_be_array(a) \ + BUILD_BUG_ON_ZERO(__builtin_types_compatible_p(__typeof__(a), __typeof__(&a[0]))) + +#define BUILD_BUG_ON_ZERO(e) (sizeof(struct { int:-!!(e); })) + +/* work around hacks for standalone package */ +#define PACKAGE "ddate" +#define PACKAGE_STRING "Stand Alone" + +#ifndef __GNUC__ +#define inline /* foo */ +#endif + +#ifdef KILL_BOB +int xday_countdown(int yday, int year); +#endif + + +/* string constants */ + +char *day_long[5] = { + "Sweetmorn", "Boomtime", "Pungenday", "Prickle-Prickle", "Setting Orange" +}; + +char *day_short[5] = {"SM","BT","PD","PP","SO"}; + +char *season_long[5] = { + "Chaos", "Discord", "Confusion", "Bureaucracy", "The Aftermath" +}; + +char *season_short[5] = {"Chs", "Dsc", "Cfn", "Bcy", "Afm"}; + +char *holyday[5][2] = { + { "Mungday", "Chaoflux" }, + { "Mojoday", "Discoflux" }, + { "Syaday", "Confuflux" }, + { "Zaraday", "Bureflux" }, + { "Maladay", "Afflux" } +}; + +struct disc_time { + int season; /* 0-4 */ + int day; /* 0-72 */ + int yday; /* 0-365 */ + int year; /* 3066- */ +}; + +char *excl[] = { + "Hail Eris!", "All Hail Discordia!", "Kallisti!", "Fnord.", "Or not.", + "Wibble.", "Pzat!", "P'tang!", "Frink!", +#ifdef PRAISE_BOB + "Slack!", "Praise \"Bob\"!", "Or kill me.", +#endif /* PRAISE_BOB */ + /* randomness, from the Net and other places. Feel free to add (after + checking with the relevant authorities, of course). */ + "Grudnuk demand sustenance!", "Keep the Lasagna flying!", + "You are what you see.", + "Or is it?", "This statement is false.", + "Lies and slander, sire!", "Hee hee hee!", +#if defined(linux) || defined (__linux__) || defined (__linux) + "Hail Eris, Hack Linux!", +#elif defined(__APPLE__) + "This Fruit is not the True Fruit of Discord.", +#endif + "" +}; + +char default_fmt[] = "%{%A, %B %d%}, %Y YOLD"; +char *default_immediate_fmt= +#ifdef OLD_IMMEDIATE_FMT +"Today is %{%A, the %e day of %B%} in the YOLD %Y%N%nCelebrate %H" +#else +default_fmt +#endif +; + +#define DY(y) (y+1166) + +static inline char *ending(int i) { + return i/10==1?"th":(i%10==1?"st":(i%10==2?"nd":(i%10==3?"rd":"th"))); +} + +static inline int leapp(int i) { + return (!(DY(i)%4))&&((DY(i)%100)||(!(DY(i)%400))); +} + +/* select a random string */ +static inline char *sel(char **strings, int num) { + return(strings[random()%num]); +} + +void print(struct disc_time,char **); /* old */ +void format(char *buf, const char* fmt, struct disc_time dt); +/* read a fortune file */ +int load_fortunes(char *fn, char *delim, char** result); + +struct disc_time convert(int,int); +struct disc_time makeday(int,int,int); + +int +main (int argc, char *argv[]) { + time_t t; + struct tm *eris; + int bob,raw; + struct disc_time hastur; + char schwa[23*17], *fnord=0; + int pi; + char *progname, *p; + + progname = argv[0]; + if ((p = strrchr(progname, '/')) != NULL) + progname = p+1; + + srandom(time(NULL)); + /* do args here */ + for(pi=1; pi<argc; pi++) { + switch(argv[pi][0]) { + case '+': fnord=argv[pi]+1; break; + case '-': + switch(argv[pi][1]) { + case 'V': + printf(("%s (%s)\n"), progname, PACKAGE_STRING); + default: goto usage; + } + default: goto thud; + } + } + + thud: + if (argc-pi==3){ + int moe=atoi(argv[pi]), larry=atoi(argv[pi+1]), curly=atoi(argv[pi+2]); + hastur=makeday( +#ifdef US_FORMAT + moe,larry, +#else + larry,moe, +#endif + curly); + if (hastur.season == -1) { + printf("Invalid date -- out of range\n"); + return -1; + } + fnord=fnord?fnord:default_fmt; + } else if (argc!=pi) { + usage: + fprintf(stderr,("usage: %s [+format] [day month year]\n"), argv[0]); + exit(1); + } else { + t= time(NULL); + eris=localtime(&t); + bob=eris->tm_yday; /* days since Jan 1. */ + raw=eris->tm_year; /* years since 1980 */ + hastur=convert(bob,raw); + fnord=fnord?fnord:default_immediate_fmt; + } + format(schwa, fnord, hastur); + printf("%s\n", schwa); + + return 0; +} + +void format(char *buf, const char* fmt, struct disc_time dt) +{ + int tib_start=-1, tib_end=0; + int i, fmtlen=strlen(fmt); + char *bufptr=buf; + +/* fprintf(stderr, "format(%p, \"%s\", dt)\n", buf, fmt);*/ + + /* first, find extents of St. Tib's Day area, if defined */ + for(i=0; i<fmtlen; i++) { + if(fmt[i]=='%') { + switch(fmt[i+1]) { + case 'A': + case 'a': + case 'd': + case 'e': + if(tib_start>0) tib_end=i+1; + else tib_start=i; + break; + case '{': tib_start=i; break; + case '}': tib_end=i+1; break; + } + } + } + + /* now do the formatting */ + buf[0]=0; + + for(i=0; i<fmtlen; i++) { + if((i==tib_start) && (dt.day==-1)) { + /* handle St. Tib's Day */ + strcpy(bufptr, ("St. Tib's Day")); + bufptr += strlen(bufptr); + i=tib_end; + } else { + if(fmt[i]=='%') { + char *wibble=0, snarf[23]; + switch(fmt[++i]) { + case 'A': wibble=day_long[dt.yday%5]; break; + case 'a': wibble=day_short[dt.yday%5]; break; + case 'B': wibble=season_long[dt.season]; break; + case 'b': wibble=season_short[dt.season]; break; + case 'd': sprintf(snarf, "%d", dt.day+1); wibble=snarf; break; + case 'e': sprintf(snarf, "%d%s", dt.day+1, ending(dt.day+1)); + wibble=snarf; break; + case 'H': if(dt.day==4||dt.day==49) + wibble=holyday[dt.season][dt.day==49]; break; + case 'N': if(dt.day!=4&&dt.day!=49) goto eschaton; break; + case 'n': *(bufptr++)='\n'; break; + case 't': *(bufptr++)='\t'; break; + + case 'Y': sprintf(snarf, "%d", dt.year); wibble=snarf; break; + case '.': wibble=sel(excl, ARRAY_SIZE(excl)); + break; +#ifdef KILL_BOB + case 'X': sprintf(snarf, "%d", + xday_countdown(dt.yday, dt.year)); + wibble = snarf; break; +#endif /* KILL_BOB */ + } + if(wibble) { +/* fprintf(stderr, "wibble = (%s)\n", wibble);*/ + strcpy(bufptr, wibble); bufptr+=strlen(wibble); + } + } else { + *(bufptr++) = fmt[i]; + } + } + } + eschaton: + *(bufptr)=0; +} + +struct disc_time makeday(int imonth,int iday,int iyear) /*i for input */ +{ + struct disc_time funkychickens; + + int cal[12] = { 31,28,31,30,31,30,31,31,30,31,30,31 }; + int dayspast=0; + + memset(&funkychickens,0,sizeof(funkychickens)); + /* basic range checks */ + if (imonth < 1 || imonth > 12 || iyear == 0) { + funkychickens.season = -1; + return funkychickens; + } + if (iday < 1 || iday > cal[imonth-1]) { + if (!(imonth == 2 && iday == 29 && iyear%4 == 0 && + (iyear%100 != 0 || iyear%400 == 0))) { + funkychickens.season = -1; + return funkychickens; + } + } + + imonth--; + /* note: gregorian year 0 doesn't exist so + * add one if user specifies a year less than 0 */ + funkychickens.year= iyear+1166 + ((0 > iyear)?1:0); + while(imonth>0) { dayspast+=cal[--imonth]; } + funkychickens.day=dayspast+iday-1; + funkychickens.season=0; + if((funkychickens.year%4)==2) { + if (funkychickens.day==59 && iday==29) funkychickens.day=-1; + } + funkychickens.yday=funkychickens.day; +/* note: EQUAL SIGN...hopefully that fixes it */ + while(funkychickens.day>=73) { + funkychickens.season++; + funkychickens.day-=73; + } + return funkychickens; +} + +struct disc_time convert(int nday, int nyear) +{ struct disc_time funkychickens; + + funkychickens.year = nyear+3066; + funkychickens.day=nday; + funkychickens.season=0; + if ((funkychickens.year%4)==2) + {if (funkychickens.day==59) + funkychickens.day=-1; + else if (funkychickens.day >59) + funkychickens.day-=1; + } + funkychickens.yday=funkychickens.day; + while (funkychickens.day>=73) + { funkychickens.season++; + funkychickens.day-=73; + } + return funkychickens; + + } + +#ifdef KILL_BOB + +/* Code for counting down to X-Day, X-Day being Cfn 40, 3164 + * + * After `X-Day' passed without incident, the CoSG declared that it had + * got the year upside down --- X-Day is actually in 8661 AD rather than + * 1998 AD. + * + * Thus, the True X-Day is Cfn 40, 9827. + * + */ + +int xday_countdown(int yday, int year) { + int r=(185-yday)+(((yday<59)&&(leapp(year)))?1:0); + while(year<9827) r+=(leapp(++year)?366:365); + while(year>9827) r-=(leapp(year--)?366:365); + return r; +} + +#endif diff --git a/port/file2c/.gitignore b/port/file2c/.gitignore new file mode 100644 index 00000000..aafb358f --- /dev/null +++ b/port/file2c/.gitignore @@ -0,0 +1 @@ +file2c diff --git a/port/file2c/Makefile b/port/file2c/Makefile new file mode 100644 index 00000000..09f6b5d0 --- /dev/null +++ b/port/file2c/Makefile @@ -0,0 +1,15 @@ +PREFIX = ~/.local +MANDIR = ${PREFIX}/share/man + +file2c: + +clean: + rm -f file2c + +install: file2c file2c.1 + install -d ${PREFIX}/bin ${MANDIR}/man1 + install file2c ${PREFIX}/bin + install -m 644 file2c.1 ${MANDIR}/man1 + +uninstall: + rm -f ${PREFIX}/bin/file2c ${MANDIR}/man1/file2c.1 diff --git a/port/file2c/file2c.1 b/port/file2c/file2c.1 new file mode 100644 index 00000000..fe1fe5e7 --- /dev/null +++ b/port/file2c/file2c.1 @@ -0,0 +1,75 @@ +.\"---------------------------------------------------------------------------- +.\" "THE BEER-WARE LICENSE" (Revision 42): +.\" <phk@FreeBSD.org> wrote this file. As long as you retain this notice, you +.\" can do whatever you want with this file. If we meet some day, and you think +.\" this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp +.\" --------------------------------------------------------------------------- +.\" +.\" $FreeBSD: releng/11.2/usr.bin/file2c/file2c.1 173197 2007-10-30 17:49:00Z ru $ +.\" +.Dd March 22, 2007 +.Dt FILE2C 1 +.Os +.Sh NAME +.Nm file2c +.Nd convert file to c-source +.Sh SYNOPSIS +.Nm +.Op Fl sx +.Op Fl n Ar count +.Op Ar prefix Op Ar suffix +.Sh DESCRIPTION +The +.Nm +utility reads a file from stdin and writes it to stdout, converting each +byte to its decimal or hexadecimal representation on the fly. +The byte values are separated by a comma. +This also means that the last byte value is not followed by a comma. +By default the byte values are printed in decimal, but when the +.Fl x +option is given, the values will be printed in hexadecimal. +When +.Fl s +option is given, each line is printed with a leading tab and each comma is +followed by a space except for the last one on the line. +.Pp +If more than 70 characters are printed on the same line, that line is +ended and the output continues on the next line. +With the +.Fl n +option this can be made to happen after the specified number of +byte values have been printed. +The length of the line will not be considered anymore. +To have all the byte values printed on the same line, give the +.Fl n +option a negative number. +.Pp +A prefix and suffix strings can be printed before and after the byte values +(resp.) +If a suffix is to be printed, a prefix must also be specified. +The first non-option word is the prefix, which may optionally be followed +by a word that is to be used as the suffix. +.Pp +This program is typically used to embed binary files into C source files. +The prefix is used to define an array type and the suffix is used to end +the C statement. +The +.Fl n , s +and +.Fl x +options are useful when the binary data represents a bitmap and the output +needs to remain readable and/or editable. +Fonts, for example, are a good example of this. +.Sh EXAMPLES +The command: +.Bd -literal -offset indent +date | file2c 'const char date[] = {' ',0};' +.Ed +.Pp +will produce: +.Bd -literal -offset indent +const char date[] = { +83,97,116,32,74,97,110,32,50,56,32,49,54,58,50,56,58,48,53, +32,80,83,84,32,49,57,57,53,10 +,0}; +.Ed diff --git a/port/file2c/file2c.c b/port/file2c/file2c.c new file mode 100644 index 00000000..cff7f602 --- /dev/null +++ b/port/file2c/file2c.c @@ -0,0 +1,92 @@ +/* + * ---------------------------------------------------------------------------- + * "THE BEER-WARE LICENSE" (Revision 42): + * <phk@FreeBSD.org> wrote this file. As long as you retain this notice you + * can do whatever you want with this stuff. If we meet some day, and you think + * this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp + * ---------------------------------------------------------------------------- + */ + +#include <sys/cdefs.h> +//__FBSDID("$FreeBSD: releng/11.2/usr.bin/file2c/file2c.c 200462 2009-12-13 03:14:06Z delphij $"); + +#include <limits.h> +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> + +static void +usage(void) +{ + + fprintf(stderr, "usage: %s [-sx] [-n count] [prefix [suffix]]\n", + "file2c"); + exit(1); +} + +int +main(int argc, char *argv[]) +{ + int c, count, linepos, maxcount, pretty, radix; + + maxcount = 0; + pretty = 0; + radix = 10; + while ((c = getopt(argc, argv, "n:sx")) != -1) { + switch (c) { + case 'n': /* Max. number of bytes per line. */ + maxcount = strtol(optarg, NULL, 10); + break; + case 's': /* Be more style(9) comliant. */ + pretty = 1; + break; + case 'x': /* Print hexadecimal numbers. */ + radix = 16; + break; + case '?': + default: + usage(); + } + } + argc -= optind; + argv += optind; + + if (argc > 0) + printf("%s\n", argv[0]); + count = linepos = 0; + while((c = getchar()) != EOF) { + if (count) { + putchar(','); + linepos++; + } + if ((maxcount == 0 && linepos > 70) || + (maxcount > 0 && count >= maxcount)) { + putchar('\n'); + count = linepos = 0; + } + if (pretty) { + if (count) { + putchar(' '); + linepos++; + } else { + putchar('\t'); + linepos += 8; + } + } + switch (radix) { + case 10: + linepos += printf("%d", c); + break; + case 16: + linepos += printf("0x%02x", c); + break; + default: + abort(); + } + count++; + } + putchar('\n'); + if (argc > 1) + printf("%s\n", argv[1]); + return (0); +} diff --git a/prune.sh b/prune.sh new file mode 100644 index 00000000..fabe865f --- /dev/null +++ b/prune.sh @@ -0,0 +1,7 @@ +#!/bin/sh +set -eu + +find -L ~/.config ~/.local -type l -lname "${PWD}/*" | while read -r link; do + echo "$link" + rm "$link" +done diff --git a/txt/.notemap b/txt/.notemap new file mode 100644 index 00000000..acfe44ab --- /dev/null +++ b/txt/.notemap @@ -0,0 +1,3 @@ +5347bbff-b124-432a-a67e-5d90fa34d0d4 books.txt +9efa92ef-a8c0-4fa6-8a2a-13315992162b music.txt +2d3c58f2-a193-4ff5-b79f-fd430f80eb64 shows.txt diff --git a/txt/books.txt b/txt/books.txt new file mode 100644 index 00000000..7ebae70c --- /dev/null +++ b/txt/books.txt @@ -0,0 +1,171 @@ +[ 2023 ] + + 7. ★★☆ Alix E. Harrow, Starling House + 6. ★★☆ Alix E. Harrow, A Mirror Mended + 5. ★★★ Alix E. Harrow, A Spindle Splintered + 4. ★★☆ Alyson Greaves, The Sisters of Dorley (ch. 1-15) + 3. ★☆☆ Nnedi Okorafor, Noor + 2. ★★☆ Nnedi Okorafor, Remote Control + 1. ★★☆ Becky Chambers, A Prayer for the Crown-Shy + +[ 2022 ] + + 15. ★★★ Becky Chambers, The Long Way To a Small Angry Planet + 14. ★★★ ed. Tristan Taormino, Take Me There + 13. ★★★★ Becky Chambers, A Closed and Common Orbit + 12. ★★☆ Sybil Lamb, I've Got a Time Bomb + 11. ☆☆☆ Ruth Ozeki, The Book of Form and Emptiness + 10. ★☆☆ Sally Rooney, Conversations With Friends + 9. ★☆☆ Sally Rooney, Normal People + 8. ★★★ Andrea Stewart, The Bone Shard Emperor + 7. ★★☆ ed. Gwen Benaway, Maiden, Mother, Crone + 6. ★★★ Andrea Stewart, The Bone Shard Daughter + 5. ★☆☆ Madeline Miller, Circe + 4. ★★★ Natalie Zina Walschots, Hench + 3. ★★★ V. E. Schwab, The Invisible Life of Addie LaRue + 2. ★★☆ Sayaka Murata, Convenience Store Woman + 1. ★★★★ Becky Chambers, The Galaxy, and the Ground Within + +[ 2021 ] + + 26. ★★☆ Charlie Jane Anders, The City in the Middle of the Night + 25. ★★☆ Charlie Jane Anders, Six Months, Three Days, Five Others + 24. ★★☆ Rivers Solomon, Sorrowland + 23. ★★★ Becky Chambers, A Psalm for the Wild-Built + 22. ★★★ Susanna Clarke, Piranesi + 21. ★☆☆ Kentaro Miura, Berserk, vols. 1–3 + 20. ★☆☆ Ursula Le Guin, A Wizard of Earthsea + 19. ★★☆ Sayaka Murata, Earthlings + 18. ★★☆ J. R. R. Tolkien, The Hobbit + 17. ★★☆ Octavia E. Butler, Clay's Ark + 16. ★★★ Arkady Martine, A Desolation Called Peace + 15. ★★☆ Martha Wells, Fugitive Telemetry + 14. ★★☆ ed. Ann & Jeff VanderMeer, Sisters of the Revolution + 13. ★☆☆ Margaret Atwood, Oryx and Crake + 12. ★★☆ Margaret Atwood, The Year of the Flood + 11. ★★☆ Charlie Jane Anders, All the Birds in the Sky + 10. ★☆☆ Margaret Atwood, The Penelopiad + 9. ★★★ Alix E. Harrow, The Once and Future Witches + 8. ★★☆ Mary Robinette Kowal, The Relentless Moon + 7. ★☆☆ Connie Willis, Bellwether + 6. ★★☆ Carmen Maria Machado, Her Body and Other Parties + 5. ★★☆ N. K. Jemisin, The City We Became + 4. ★★★ Martha Wells, Network Effect + 3. ★★☆ Nnedi Okorafor, Binti + 2. ★★☆ Kai Cheng Thom, I Hope We Choose Love + 1. ★★☆ Tade Thompson, The Rosewater Redemption + +[ 2020 ] + + 19. ★★★ N. K. Jemisin, The Awakened Kingdom + 18. ★★☆ N. K. Jemisin, The Kingdom of Gods + 17. ★★☆ N. K. Jemisin, The Broken Kingdoms + 16. ★★☆ Ann Leckie, Ancillary Justice + 15. ★★☆ Madeline Miller, The Song of Achilles + 14. ★★☆ N. K. Jemisin, The Hundred Thousand Kingdoms + 13. ★★☆ Annalee Newitz, Autonomous + 12. ★☆☆ Tade Thompson, The Rosewater Insurrection + 11. ★★☆ Alix E. Harrow, The Ten Thousand Doors of January + 10. ★★☆ N. K. Jemisin, The Stone Sky + 9. ★★★ Kai Cheng Thom, Fierce Femmes and Notorious Liars + 8. ★☆☆ Amal El-Mohtar & Max Gladstone, This Is How You Lose the Time War + 7. ★★★ N. K. Jemisin, The Obelisk Gate + 6. ★★★ Becky Chambers, To Be Taught, If Fortunate + 5. ★★★ Annalee Newitz, The Future of Another Timeline + 4. ★★☆ Rivers Solomon, The Deep + 3. ★★☆ ed. Hope Nicholson, Love Beyond Body, Space & Time + 2. ★★☆ Tade Thompson, Rosewater + 1. ★★★ Meg Elison, The Book of Flora + +[ 2019 ] + + 42. ★★★ Meg Elison, The Book of Etta + 41. ★★☆ Martha Wells, Exit Strategy + 40. ★★☆ Martha Wells, Artificial Condition + 39. ★★☆ N. K. Jemisin, The Fifth Season + 38. ★★☆ Martha Wells, Rogue Protocol + 37. ★★☆ Yoon Ha Lee, Ninefox Gambit + 36. ★★★ Rebecca Makkai, The Great Believers + 35. ★★☆ Meg Elison, The Book of the Unnamed Midwife + 34. ★★☆ Martha Wells, All Systems Red + 33. ★★☆ Nnedi Okorafor, The Book of Phoenix + 32. ★★☆ JY Yang, The Red Threads of Fortune + 31. ★★☆ JY Yang, The Black Tides of Heaven + 30. ★☆☆ Rebecca Roanhorse, Trail of Lightning + 29. ★☆☆ Jo Walton, The Just City + 28. ★★★ Arkady Martine, A Memory Called Empire + 27. ★★☆ Mary Robinette Kowal, The Fated Sky + 26. ★★★ Becky Chambers, Record of a Spaceborn Few + 25. ★★☆ Mary Robinette Kowal, The Calculating Stars + 24. ★★☆ Octavia E. Butler, Imago + 23. ★★☆ Octavia E. Butler, Kindred + 22. ★★☆ Octavia E. Butler, Adulthood Rites + 21. ★★★ Octavia E. Butler, Wild Seed + 20. ★★☆ Octavia E. Butler, Parable of the Talents + 19. ★★☆ Jeff VanderMeer, Acceptance + 18. ★★★ Becky Chambers, A Closed and Common Orbit + 17. ★★☆ Octavia E. Butler, Dawn + 16. ★★☆ Jeff VanderMeer, Authority + 15. ★★☆ Octavia E. Butler, Parable of the Sower + 14. ★★☆ C. A. Higgins, Lightless + 13. ★☆☆ Alfred Bester, The Demolished Man + 12. ★★★ Karin Tidbeck, Amatka + 11. ★☆☆ Catherynne M. Valente, Space Opera + 10. ★★☆ Rivers Solomon, An Unkindness of Ghosts + 9. ★★★ Becky Chambers, The Long Way to a Small Angry Planet + 8. ★★☆ Emily St. John Mandel, Station Eleven + 7. ★★★ Douglas Adams, Dirk Gently's Holistic Detective Agency + 6. ★★★ Octavia E. Butler, Fledgling + 5. ★★★ Jeff VanderMeer, Annihilation + 4. ★★☆ Alfred Bester, The Stars My Destination + 3. ★☆☆ Samuel R. Delany, The Einstein Intersection + 2. ★★★ Octavia E. Butler, Mind of My Mind + 1. ★☆☆ Robert A. Heinlein, Waldo & Magic, Inc. + +[ 2018 ] + + 25. ★★★ Douglas Adams, The Long Dark Tea-Time of the Soul + 24. ★★☆ Khaled Hosseini, A Thousand Splendid Suns + 23. ★★☆ Nathan Altice, I Am Error + 22. ★★★ Ruth Ozeki, A Tale for the Time Being + 21. ★☆☆ Arthur C. Clarke, Earthlight + 20. ★★★ Terry Pratchett & Neil Gaiman, Good Omens + 19. ★☆☆ Robert A. Heinlein, Starship Troopers + 18. ★★☆ Liu Cixin, The Three-Body Problem + 17. ★★☆ Robert A. Heinlein, Revolt in 2100 + 16. ★★☆ ed. Robert A. Heinlein, Tomorrow, the Stars + 15. ★★☆ Robert A. Heinlein, Assignment in Eternity + 14. ★☆☆ Robert A. Heinlein, The Rolling Stones + 13. ★★☆ Robert A. Heinlein, Starman Jones + 12. ★☆☆ Robert A. Heinlein, Space Cadet + 11. ★☆☆ Robert A. Heinlein, Farmer in the Sky + 10. ★★☆ Robert A. Heinlein, Between Planets + 9. ★★☆ Robert A. Heinlein, Red Planet + 8. ★☆☆ Robert A. Heinlein, Rocket Ship Galileo + 7. ★☆☆ Robert A. Heinlein, Sixth Column + 6. ★☆☆ Robert A. Heinlein, Beyond This Horizon + 5. ★★☆ Robert A. Heinlein, Orphans of the Sky + 4. ★★☆ Tracy Kidder, The Soul of a New Machine + 3. ★★★ James Alan Gardner, Ascending + 2. ★★★ Anne Frank, The Diary of a Young Girl + 1. ★★★ Harper Lee, Go Set a Watchman + +[ 2017 ] + + 1. ★★★ James Alan Gardner, Expendable + +[ ... ] + + • ★★★ Harper Lee, To Kill a Mockingbird + • ★★★ Douglas Adams, The Hitchhiker's Guide to the Galaxy + • ★★★ Douglas Adams, The Restaurant at the End of the Universe + • ★★☆ Douglas Adams, Life, the Universe and Everything + • ★★★ Douglas Adams, So Long, and Thanks for All the Fish + • ★★☆ Douglas Adams, Mostly Harmless + • ★☆☆ Eoin Colfer, And Another Thing... + • ★★★ Margaret Atwood, The Handmaid's Tale + • ★★☆ Kazuo Ishiguro, Never Let Me Go + • ★★★ Philip Pullman, The Goldan Compass + • ★★★ Philip Pullman, The Subtle Knife + • ★★★ Philip Pullman, The Amber Spyglass + • ★★★ William Goldman, The Princess Bride diff --git a/txt/diminishing-shine.txt b/txt/diminishing-shine.txt new file mode 100644 index 00000000..f51faf20 --- /dev/null +++ b/txt/diminishing-shine.txt @@ -0,0 +1,32 @@ +you gotta get yourself a cheap plair-- +you gotta get yourself a cheap pair of plastic sunglasses +or a really cheap pair of plastic wraparounds +you can get em just down the street +it's four bucks for the pair +you should stock up +you should buy three or four pairs +really, no one ever fucks with you +you put em on +and no one fucks with you +and they're cheap +it's better than-- +better than a wig +or a really stupid haircut +or a nose ring + +you get afraid on the bus? +when you ever get-- +you ever get scared on the bus? +or the subway? +you ever get afraid, and-- + +we were all really high +and I was sitting on the couch +we were all sitting on the couch +we were all really high +the TV was on and no one was talking and no one was saying a word +and no one had said a word for a long, long time +everyone was just staring at the TV set +and I got the fear +I got the fear really bad +I remember thinking, this is it, I'm going to die diff --git a/txt/music.txt b/txt/music.txt new file mode 100644 index 00000000..efcd8fbe --- /dev/null +++ b/txt/music.txt @@ -0,0 +1,294 @@ +The Shaggs — My Pal Foot Foot +<https://youtu.be/k5T2kaFiFgg> + +Philip Glass — Einstein on the Beach Knee Play 1 +<https://youtu.be/jeEobpQMgD4> + +osno1 — SAUSAGE (osno1 RIP vine remix) +<https://osno1.bandcamp.com/track/sausage-osno1-rip-vine-remix> + +Feist — I Feel It All +<https://youtu.be/g-1Gb2rxzlk> + +The Blow — "Come On Petunia" +<https://youtu.be/MO1HSfzK1Ns> + +Black Country, New Road — Sunglasses +<https://youtu.be/UAZhzi9cpkc> + +Mitski, Xiu Xiu — Between the Breaths +<https://youtu.be/HnhTkFl5Imw> + +Black Dresses — CREEP U +<https://youtu.be/w9RSZmltcVI> + +BACKXWASH — DONT COME TO THE WOODS +<https://youtu.be/7ZcJsWyGbOw> + +William Bonney — See Ya Later +<https://youtu.be/-uCUlvUlr9s> + +Four Tet — Hands +<https://youtu.be/ojZoQbRt1tc> + +Buffy Sainte-Marie — Darling Don't Cry + +LINGUA IGNOTA — DO YOU DOUBT ME TRAITOR +<https://youtu.be/M1ZweG__q-w> + +Lizzo — Truth Hurts +<https://youtu.be/P00HMxdsVZI> + +Hobo Johnson and The Lovemakers — Tiny Desk Concert +<https://youtu.be/A8a2EosJIbM> + +Poppy — Concrete +<https://youtu.be/WwoGhpYdebQ> + +Kim Petras — Do Me +<https://youtu.be/LShK0Yhd964> + +Kim Petras — Heart to Break +<https://youtu.be/5CPeHQHAQyo> + +Anomie — Avorter n'est pas tuer +<https://youtu.be/W1iGXRDeZf4> + +Zhaoze — Birds Contending +<https://zhaoze.bandcamp.com/album/birds-contending> + +Colin Stetson — Reborn +<https://youtu.be/MVnSFj6XQZY> + +Holly Herndon — Frontier +<https://youtu.be/rvNqNgHAEys> + +Bleachers — Tiny Desk Concert +<https://youtu.be/QCtkkX2f18M> + +Girlpool — Tiny Desk Concert +<https://youtu.be/VNM8Tg9pvDU> + +Daughters — You Won't Get What You Want +<https://daughters.bandcamp.com/album/you-wont-get-what-you-want> + +La Dispute — FULTON STREET I +<https://ladispute.bandcamp.com/track/fulton-street-i> + +KASHIWA Daisuke — Stella +<https://youtu.be/ei7cdynwRMA> + +Jeff Wayne — The Eve of the War +<https://youtu.be/6YwFvmnbj3E> + +Julia Holter — I Shall Love 2 +<https://youtu.be/k5uwPaCvbhA> + +Chromatics — Running Up That Hill +<https://youtu.be/Mgv88ZLi6LY> + +Low — Double Negative +<https://lowtheband.bandcamp.com/album/double-negative> + +Rival Consoles — Helios +<https://youtu.be/T8n-XC_2a-k> + +Tiffany — I Think We're Alone Now +<https://youtu.be/w6Q3mHyzn78> + +Pulp — Common People +<https://youtu.be/yuTMWgOduFM> + +XTC — Making Plans for Nigel +<https://youtu.be/gZjZBCZWxpg> + +New Order — Temptation +<https://youtu.be/xxDv_RTdLQo> + +Street Sects — In for a World of Hurt +<https://streetsects.bandcamp.com/track/in-for-a-world-of-hurt> + +New Order — Temptation +<https://youtu.be/xxDv_RTdLQo> + +Blondie — Heart of Glass +<https://youtu.be/fWPhhlKHM80> + +Suuns — Watch You, Watch Me +<https://suuns.bandcamp.com/track/watch-you-watch-me> + +Neckbeard Deathcamp — White Nationalism is for Basement Dwelling Losers +<https://neckbearddeathcamp.bandcamp.com/album/white-nationalism-is-for-basement-dwelling-losers> + +rook — shed blood +<https://rooksfeather.bandcamp.com/album/shed-blood> + +SOPHIE — OIL OF EVERY PEARL'S UN-INSIDES +<http://smarturl.it/SOPHIEALBUM> + +Rosetta — Utopioid +<https://theanaesthete.bandcamp.com/album/utopioid> + +Desire — Under Your Spell +<https://youtu.be/9K7rmxjk5RQ> + +Broken Social Scene — Anthems for a Seventeen-Year Old Girl +<https://youtu.be/DDqNL0js0iU> + +Shinsei Kamattechan — Yuugure no tori +<https://youtu.be/sUW4dDWiz-A> + +Petite Meller — The Flute +<https://youtu.be/BLwgeV7dXOI> + +King Gizzard and the Lizard Wizard — Flying Microtonal Banana +<https://youtu.be/D0BsgJxw208> + +rook&nomie — DAYDREAM +<https://youtu.be/00TdaTffFeY> + +Spiritualized — Ladies and Gentlemen We Are Floating in Space +<https://youtu.be/p47V3w4m1yg> + +Street Sects — End Position +<https://streetsects.bandcamp.com/album/end-position-2> + +Converge — The Dusk in Us +<https://convergecult.bandcamp.com/album/the-dusk-in-us> + +St. Vincent — MASSEDUCTION + +Godspeed You! Black Emperor — Undoing a Luciferian Towers +<https://godspeedyoublackemperor.bandcamp.com/track/undoing-a-luciferian-towers> + +Florist — Tiny Desk Concert +<https://youtu.be/WbyyxIZ02Zs> + +CHVRCHES — Tiny Desk Concert +<https://youtu.be/haunJARHPm4> + +Aurora — Tiny Desk Concert +<https://youtu.be/evBgLWQwAFA> + +Joy Division — Atmosphere +<https://youtu.be/1EdUjlawLJM> + +Underworld — Born Slippy +<https://youtu.be/iTFrCbQGyvM> + +Converge — I Can Tell You About Pain +<https://convergecult.bandcamp.com/album/i-can-tell-you-about-pain> + +CocoRosie — Lost Girls +<https://youtu.be/aRa-SlftLQo> + +FAUVE — Blizzard +<https://youtu.be/HMpmedi_pH4> + +FAUVE — Nuits Fauves +<https://youtu.be/cwaAppsy5yo> + +Sarin — House of Leaves +<https://sarin.bandcamp.com/track/house-of-leaves-split-w-guiltfeeder> + +Chromatics — Shadow +<https://youtu.be/IGUboLZx3Tk> + +Arcade Fire — Creature Comfort +<https://youtu.be/xzwicesJQ7E> + +Arcade Fire — Everything Now +<https://youtu.be/zC30BYR3CUk> + +Ed Schrader's Music Beat — Sermon + +Jessica Moss — Pools of Light + +Death Grips — Steroids (Crouching Tiger Hidden Gabber Megamix) +<https://youtu.be/JUTKTk60aGk> + +Saltland — A Common Truth + +Colin Stetson — All This I Do for Glory +<https://colinstetson.bandcamp.com/album/all-this-i-do-for-glory> + +Xiu Xiu — Forget +<https://youtu.be/ywRzfwA75pY> + +Arca — Arca + +Joni Void — Dissociation (Kyla's Song) +<http://cstrecords.com/cst125/> + +Do Make Say Think — Bound and Boundless +<http://cstrecords.com/cst120/> + +The Body Lovers / The Body Haters + +Unwound — Leaves Turn Inside You + +Xiu Xiu — Fabulous Muscles + +Xiu Xiu — A Promise + +Saltland — Light of Mercy +<http://cstrecords.com/saltland-releases-new-single-light-of-mercy/> + +Jessica Moss — Glaciers I (Pt I) +<http://cstrecords.com/cst124/> + +BNNY RBBT — Big World +<http://www.bnnyrbbt.fans> + +Woman is the Earth — Depths +<https://womanistheearth.bandcamp.com/album/depths> + +Saltland — I Only Wish This For You +<http://cstrecords.com/cst123/> + +Sun Kil Moon — Benji +<https://youtu.be/UtndQzCUEY4> + +Neil Cicierega — Mouth Moods +<http://www.neilcic.com/mouthmoods/> + +Those Who Walk Away — "First Degraded Rhythm" + "First Partially Recollected Conversation" +<http://cstrecords.com/cst122/> + +Dan Smith — Some Tunes +<https://thedancemyth.bandcamp.com/album/some-tunes> + +Avec le soleil sortant de sa bouche — Pas pire pop, I Love You So Much + +Arcade Fire — I Give You Power +<https://youtu.be/f6jma9VQEls> + +Xiu Xiu — Jenny GoGo +<https://youtu.be/WMT6MsA3ut8> + +Kero Kero Bonito — Fish Bowl +<https://youtu.be/FY-CjOJCjJE> + +Avec le soleil sortant de sa bouche — Alizé et Margaret D. Midi moins le quart. Sur la plage, un palmier ensanglanté +<http://cstrecords.com/cst121/> + +G.L.O.S.S. — Trans Day of Revenge +<https://girlslivingoutsidesocietysshit.bandcamp.com/releases> + +Joy Division — Love Will Tear Us Apart +<https://youtu.be/zuuObGsB0No> + +Xiu Xiu — Honeysuckle +<https://youtu.be/hYKGR8Er4vM> + +Xiu Xiu — Ceremony +<https://youtu.be/95ms8A2XJY0> + +Xiu Xiu — I Luv the Valley Oh +<https://youtu.be/dztURk0_DOg> + +Porter Robinson & Madeon — Shelter +<https://youtu.be/fzQ6gRAEoy0> + +Julien Baker — Tiny Desk Concert +<https://youtu.be/tADWPTqR_4A> diff --git a/txt/shows.txt b/txt/shows.txt new file mode 100644 index 00000000..2abacf5b --- /dev/null +++ b/txt/shows.txt @@ -0,0 +1,34 @@ +2022-12-18 (SAT) LINGUA IGNOTA +2022-06-04 (MAI) Honeydrip, MAGELLA, BACKXWASH +2020-01-23 (La Sala Rossa) Secondsight, BIG|BRAVE +2019-12-10 (Casa del Popolo) meth, Street Sects +2019-06-22 (Casa del Popolo) Persons Unknown, Palissade, Police des Moeurs, Blu Anxiety +2019-06-22 (Bar Le Ritz) Cloakroom, Pelican +2019-06-21 (La Vitrola) Leash Aggression, CPU Rave, Vitex, Pinocchio +2019-06-20 (Casa del Popolo) Beep Test, Liar//Lier, Wetware +2019-06-18 (Casa del Popolo) Nomadic War Machine; it foot, it ears; Wendy Eisenberg +2019-06-17 (La Sala Rossa) SaskPWR, Lubomyr Melnyk, Architek Percussion (Nicole Lizée) +2019-06-08 (La Sotterenea) Eliza Kavtion, Beep Test, Dri Hiev +2019-05-03 (Turbo Haüs) Issfenn +2019-04-21 (Bar Le Ritz PDB) Claud, Hatchie, Girlpool +2018-11-14 (Turbo Haus) Juss, Street Sects +2018-07-26 (Theatre Fairmount) Uniform, Deafheaven +2018-06-14 (Casa del Popolo) Markus Floats, Mark Lowe, Carodiaro, Eliza Kavtion +2018-04-26 (Bar Le Ritz PDB) Strega, Show of Bedlam, Rosetta +2018-04-13 (La Vitrola) Eliza Kavtion, Lungbutter, Wrekmeister Harmonies +2018-03-08 (Brasserie Beaubien) Clayborne, Nightwitches, Aseethe, Vile Creature +2018-02-08 (Bar Le Ritz PDB) KGD, Efrim Manuel Menuck +2017-09-30 (La Sala Rossa) Truster, Lungbutter, Big Brave +2017-09-19 (La Vitrola) Saccharine, Xiu Xiu +2017-06-01 (Casa del Popolo) Genevieve Heistek, Saltland +2017-05-27 (l’Escogriffe) Sough, Ikaray, C H R I S T +2017-05-14 (Bar Le Ritz PDB) Mutter’d, Aim Low, Wrekmeister Harmonies +2016-09-25 (La Sala Rossa) Cloud Rat, Wolves in the Throne Room +2016-09-21 (Theatre Paradoxe) Godspeed You! Black Emperor +2016-04-08 (La Sala Rossa) Caro Diaro, Wreckage With Stick, Ought +2015-08-13 (La Vitrola) Gutser, Chemical Way, Saul Hittner, In the Name of Havoc +2015-06-10 (La Sala Rossa) Ryan Sawyer, Colin Stetson & Sarah Neufeld +2015-06-09 (La Sala Rossa) The Mile End Ladies String Auxiliary, Christof Migone +2015-06-08 (Casa del Popolo) C H R I S T, Jessica Moss, Big Brave +2014-01-19 (Metropolis) Godspeed You! Black Emperor +2014-01-18 (l’Olympia) Elf Power, Neutral Milk Hotel diff --git a/txt/trouble-at-jinx-hotel.txt b/txt/trouble-at-jinx-hotel.txt new file mode 100644 index 00000000..4db28dd6 --- /dev/null +++ b/txt/trouble-at-jinx-hotel.txt @@ -0,0 +1,236 @@ +mollasses + +...à l'hôtel jinx... + +thierry amar; flüffy erskine; norsola johnson; kate lawrence; +jennifer ménard; mike moya; sam shalabi; scott lregrande chernoff... +chris brokaw; bruce cawdron; david michael curry; lisa gamble; efrim +menuck; michel meunier; js truchy; thalia zedek... à l'hôtel jinx. + +lucky 13: siren's song. la la la, amerika. Saint Christopher's +blues. sign of judgment. Lynn Canyon wedding song. coda. You Can't +Win. trouble in mind. las niñas. Miss Peach's Pawnshop. buffaloed +at Wounded Knee/the weeping winds. no love lost. songs from the +basement. + +trouble at jinx hotel. these cursed recordings began in late winter +2003 at the hotel2tango in montréal. it was a bitter sunday in +march. the world was on the brink of war in old mesopotamia, and +we were all of us sick with the influenza. headaches. fevers. wrecked +guts and water on the lungs. coughing like crazy. everyone with a +base case of the shakes. the hotel wass cold and its ghosts were +unhappy. electricity was being weird. lights flickered and all the +microphones crackled with live current. little blue sparks dancing +through the studio rooms. amplifiers were picking up strange radio +frequencies and the piano, which couldn't hold a tune to save its +own life, was behaving like a cantankerous old man. our cats and +dogs were nervous and excited, a-jitter the way animals get whenever +catastrope looms. we started with a 16-track tape machine, three +spools of 1/4" analog audio tape, and a lucky thirteen little songs +hanging in our heads. but when the 16-track busted and broke down +a few days later, we moved to 2" tape on a 24-track machine and +began anew with our fingers crossed. then the 24-track showed the +first symptoms of its own terrible illness. so we did what we could +with digital audio tape while our trusty friend and technician, +garfield lamb, nursed the equipment back to some semblance of health. +then we transfered the digital recordings to 2" tape and went to +work again... waiting to see what the gods would do next. they +toyed with us for a while before unleashing their full fury: the +24-track, seizing mid-song one evening, ate a reel of tape and sent +it spewing around the studio in little pieces, a scene as cruel as +confetti at a funeral. garfield somehow managed to splice the tape +together again. but our nerves were now in tatters too, scattered +all over the hotel floor. when we finally finished tracking this +music in the summer of 2003, the cats and dogs didn't look any less +worried than when we'd begun. of course, they sensed the disaster +we would soon see for ourselves: as we started mixing the very next +night, a faulty lamp at the studio short-circuited and the tape +machine caught on fire. a freak electrical accident. there was an +asterisk of light; then a dragon-tail of smoke coiling across the +room; then there was a darkness; and then the 24-track quietly died. +the animals, cowering in corners, whined, *why didn't you fucking +fools jump ship at the first sign of the storm*? that's when we +drifted away from the jinxed hotel... floating until we found safe +harbour in a studio we could borrow for a few days - one whose own +resident dogs, zoro and ciska, greeted us with idiot grins and the +contented looks of drunken sailors on calm seas. mixing was finished +in a kind of delirious distress at MixArt in notre-dame-de-grace, +montréal, autumn 2003. these lucky thirteen. dieu merci. slgc. *new +year's eve* 2003. + +siren's song. instrumental. + +la la la, amerika. amerika is crawling with cops tonight as we put +our fists through the windows of the world i know you're broken and +you're down at the mouth but you're pouting like a punished little +girl when darkness calls night falls oh mother where are the children +you've orphaned all over the Earth we're frightened and sickened +and poverty-stricken and waiting for you to send word when darkness +calls the sky falls we're tired mother and we're poor we're wretched +at your teeming shore we're homeless and tossed by the storm looking +for the light at your golden door when darkness calls night falls. + +flüffy: marching drum, percussion & choir; norsola: cello & voice; +kate: violin; jennifer: voice; moya: Crumar organ; dmc: viola & +choir; gamble: choir; efrim: choir; js: upright bass; thalia: voice; +scott: acoustic guitars & vocals; scott recorded the air-raid siren +and bombs on the nightly news when baghdad was attacked by the +united states and great britain in march 2003; words & music by +scott chernoff, as stolen from the inscription on the statue of +liberty: *give me your tired your poor your huddled masses yearning +to breathe the wretched refuse of your teeming shore send these the +homeless tempest-tossed to me i lift my lamp beside the golden +door*. + +Saint Christopher's blues. the locusts are in the jimson Shit Creek +is on the rise and you're out wrecking eternity this town looks +like a prison in September's crimson sky when i should be loving +you perfectly you're such a pretty little mess with your Saint +Christopher blues and that doomed little look in your eye the weight +of the world rests all upon your tiny shoes but June why are you +so terrified give me the locust and the flood i'm a Fool for Love +but i'm kneeling in Shit Creek tonight. + +thierry: upright & electric bass; flüffy: marching drum; kate: +violin; jennifer: voice; moya: piano & Crumar organ; bruce: drums; +gramble: scrap metal; scott: electric guitar & vocals. words & music +by scott chernoff. + +sign of judgment. yes sign of judgment yes sign of judgment yes +sign of judgment time ain't long i don't like old Satan none of his +tempting charms cheats you at your Jesus now and roll you in his +arms yes sign of judgment yes sign of judgment yes sign of judgment +time ain't long i don't like old Satan nothing he say or do tell +one lie to hurt us all and two to make it true yes sign of judgment +yes sign of judgment yes sign of judgment time ain't long. + +norsola: cello; jennifer: voice; efrim: electric guitar & harmonium; +js: upright bass; thalia: voice; scott: acoustic guitar & vocals. +words & music by kid prince moore (traditional). + +Lynn Canyon wedding song. well i never cared very much for the west +except for you there who i loved the best now please take me back +east i wrote your name in silver and green where Love and Hate Play +with Fate and History now please take me back east oh please take +me back east we came to the Canyon across the calm and the wild +from Mountain to Mountain and Island to aisle i came for Abel you +came for Cain and we danced on the tables between the cradle and +the grave and i never cared very much for the west but i will be +there in my Sunday best if you will wear your red wedding dress +then please take me back east oh please take me back east. + +flüffy: saw; jennifer: voice; moya: piano & Crumar organ; dmc: viola +& saw; js: upright bass & voice; scott: acoustic guitar & vocals. +words & music by scott chernoff. + +coda. instrumental. + +flüffy: metal heating duct; michel: banjo; dog & voice drone recorded +by julian evans on video tape at Lynn Canyon 2002; mixed by scott +& harris newman in montréal 2003. + +You Can't Win. you with your railroad bones and you with your +golden-spiked skin you with the wind in your clothes and your hat +like a house caving in oh man You Can't Win oh man You Can't Win +oh man You Can't Win when the Angel of Light is at the window with +the Sanctimonious Kid when you're down and out from Sacramento on +the New York City skids oh man You Can't Win oh man You Can't Win +oh man You Can't Win when the East River is groaning all below the +Williamsburg Bridge when airplanes are exploding in the skyline's +falling limbs oh man You Can't Win oh man You Can't Win oh man You +Can't Win when the Swans are at your throat with their busted burning +wings when they squeal and scream and moan at every last ship that +comes in oh man You Can't Win oh man You Can't Win oh man You Can't +Win. + +flüffy: chor; norsola: choir; jennifer: voice; moya: electric guitars +& Crumar organ; sam: oud; bruce: drums & marimba; dmc: choir; +gramble: scrap metal & choir; efrim: electric guitar & choir; js: +choir; thalia: choir; scott: electric & acoustic guitars, vocals. +words & music by scott chernoff, on the road from sacramento to +nyc. september 11 2001, while reading jack black's 1926 hobo memoir +*You Can't Win* and listening to the music of michael gira.. + +trouble in mind. trouble in mind i'm blue but i won't be blue all +the way you know that sun is gonna shine on me someday i'm gonna +lay my head on some lonesome railroad line and let that big +motherfucking engine nullify my mind trouble in mind i'm blue but +i won't be blue all the way you know that sun is gonna shine on me +someday. + +jennifer: voice; sam: electric guitars; chris: electric guitar; +scott: acoustic guitar & vocals. words & music traditional, as +learned from a 1960s recording by sam lightnin' hopkins. + +las niñas. instrumental. + +andrew mayrs recorded his baby daughter illimani crying while banging +on a piano in kitsilano, vancouver 2003; screaming children recorded +by scott at rue roy, montréal 2003. mixed by scott & harris newman +in montréal 2003. + +Miss Peach's Pawnshop. i bought this cross on the island of St. +Thomas because i wanted jesus on my chest i got this tattoo in New +Orleans and this one in the Orient for my honeymoon and i got this +scar somewhere far far away i was drunk as hell and i tried to walk +home and my hands were broken and i found this prayer in the back +of a magazine i know it's ripped but it came like this it came like +this i bought this song at Miss Peach's Pawn with this old overcoat +and a gold-plated wristwatch and i found this prayer in the back +of a magazine i know it's ripped but it came like this it came like +this it came like this it came like this. + +norsola: cello; kate: violin; jennifer: voice; moya: electric guitar, +piano & Crumar organ; dmc: viola; js: upright bass; scott: acoustic +guitar & vocals. words by hilary peach & scott chernoff; music by +scott chernoff. this is a bastard adaptation of peach's poem *Tattoo* +from her album, *Poems Only Dogs Can Hear*. + +buffaloed at Wounded Knee/the weeping winds. instrumental. (for +l.p. & a.i.m. and a pox on mean-spirited sons of bitches everywhere). + +flüffy: saws; dmc: saws. + +no love lost. good-bye old friend it's time to go this is the end +of all that we know when you worship in the house of burden i worship +in the house of blame as you learn to let your spirit burn i yearn +to be a flame to be a flame and there's no love no love lost as +there is the righteous there is the wrong and there is the night +which is betrayed by the dawn and there's no love no love lost as +there is the sinner there is the god and there is the singer profaned +by the song and there's no love no love lost there's no love no +love lost. + +thierry: electric bass; flüffy: bowed piano & saws; jennifer: voice; +moya: piano; michel: banjo; thalia: voice; scott: acoustic guitar, +bowed piano & vocals. words & music by scott chernoff. + +songs from the basement. there's a song for hatred and a song for +love a song for betrayal and a song for trust there's a song for +what's fated a song for dumb luck a song for what's sacred and one +for what's fucked there's a song which is prayed a song which is +cussed these songs from the basement which play unto us. + +norsola: cello; kate: violin; jennifer: voice; sam: electric guitars; +bruce: marimba & cymbals; dmc: viola; efrim: harmonium; garfield +lamb: knife; scott: acoustic guitar & vocals. words & music by scott +chernoff. mixed by howard bilerman at the hotel... ...after the +storm had all blown by... + +recorded by howard bilerman, efrim & scott at mom & pop sounds in +the hotel2tango, mile end, montréal 2003. except where noted, +everything was mixed by howard bilerman & molasses at MixArt in +notre-dame-de-grace, montréal 2003. mastered by harris newman in +little italy, montréal 2003 & 2004. all songs c&p SOCAN 2004, except +*sign of judgment* & *trouble in mind* which are in the public +domain. hilary peach's poem *Tattoo*, which inspired *Miss Peach's +Pawnshop*, is c&p hilary peach 2003. all music arranged by molasses, +design and hand-lettering by slgc ink. in tokyo. photography by dmc +& norsola. layout by slgc ink. with assistance by sean o'hara. all +love to those who helped: sohara & gary at alien8 recordings; howard +bilerman; cada del popolo; don & ian at constellation; eric craven; +julian evans; michael feuerstack; aidan girt; lea grahovac; taras +grescoe; garfield lamb; tim mahony; andrew mayrs, vally mendoza & +illimani mendoza-mayrs; boris & nicolas at MixArt; harris newman, +*who is never wrong*; hilary peach; sugar & smokey; and all the +cars and dogs... xoxo... diff --git a/www/causal.agency/.gitignore b/www/causal.agency/.gitignore new file mode 100644 index 00000000..b00b1c3c --- /dev/null +++ b/www/causal.agency/.gitignore @@ -0,0 +1,4 @@ +index.html +leveler.html +scheme.css +scheme.png diff --git a/www/causal.agency/Makefile b/www/causal.agency/Makefile new file mode 100644 index 00000000..8c74f8f1 --- /dev/null +++ b/www/causal.agency/Makefile @@ -0,0 +1,23 @@ +WEBROOT = /var/www/causal.agency + +GEN = index.html scheme.css scheme.png +FILES = ${GEN} style.css alpha.html lands.html + +all: ${FILES} + +.SUFFIXES: .7 .html + +.7.html: + mandoc -T html -O style=style.css $< > $@ + +scheme.css: + scheme -st > scheme.css + +scheme.png: + scheme -g > scheme.png + +install: ${FILES} + install -C -m 644 ${FILES} ${WEBROOT} + +clean: + rm -f ${GEN} diff --git a/www/causal.agency/alpha.html b/www/causal.agency/alpha.html new file mode 100644 index 00000000..0d83f530 --- /dev/null +++ b/www/causal.agency/alpha.html @@ -0,0 +1,92 @@ +<!DOCTYPE html> +<meta name="viewport" content="width=device-width, initial-scale=1.0"> +<title>all 26 letters of the alphabet RANKED</title> +<style> +body, button { font-size: 200%; text-align: center; } +button { margin: 1em; padding: 1ch; } +button#shuffle { font-size: 100%; } +</style> + +which letter do you like more? +<p> +<button id="a">A</button> +<button id="b">B</button> +<p> +<details> +<summary>current ranking</summary> +<p> +<span id="ranking">ABCDEFGHIJKLMNOPQRSTUVWXYZ</span> +<p> +<button id="shuffle">reshuffle</button> +</details> + +<script> +let buttonA = document.getElementById("a"); +let buttonB = document.getElementById("b"); +let ranking = document.getElementById("ranking"); + +let alpha = "ABCDEFGHIJKLMNOPQRSTUVWXYZ".split(""); +let rand = (bound) => Math.floor(Math.random() * bound); +function shuffle() { + for (let i = alpha.length - 1; i > 0; --i) { + let j = rand(i + 1); + let x = alpha[i]; + alpha[i] = alpha[j]; + alpha[j] = x; + } +} +if (localStorage.getItem("alpha")) { + alpha = localStorage.getItem("alpha").split(""); +} else { + shuffle(); +} + +let index = 0; +let even = true; +function choose(o) { + if (o == "b") { + let x = alpha[index]; + alpha[index] = alpha[index + 1]; + alpha[index + 1] = x; + } + index += 2; + if (index > alpha.length - 2) { + even = !even; + index = (even ? 0 : 1); + } + update(); +} + +document.onkeydown = function(event) { + if (event.key.toUpperCase() == alpha[index]) { + choose("a"); + } else if (event.key.toUpperCase() == alpha[index + 1]) { + choose("b"); + } +} + +function update() { + localStorage.setItem("alpha", alpha.join("")); + ranking.innerText = alpha.join(""); + let a = buttonA; + let b = buttonB; + if (rand(2)) { + a = buttonB; + b = buttonA; + } + let lc = (c) => c; + if (rand(2)) lc = (c) => c.toLowerCase(); + a.innerText = lc(alpha[index]); + b.innerText = lc(alpha[index + 1]); + a.onclick = () => choose("a"); + b.onclick = () => choose("b"); +} +update(); + +document.getElementById("shuffle").onclick = function() { + if (confirm("Are you SURE you want to throw away all your hard work?")) { + shuffle(); + update(); + } +} +</script> diff --git a/www/causal.agency/index.7 b/www/causal.agency/index.7 new file mode 100644 index 00000000..d29c1a6b --- /dev/null +++ b/www/causal.agency/index.7 @@ -0,0 +1,74 @@ +.Dd November 28, 2023 +.Dt CAUSAL.AGENCY 7 +.Os "Causal Agency" +. +.Sh NAME +.Nm june +.Nd computer enthusiast (she/her) +. +.Sh SYNOPSIS +.Nm mail +.Mt june@causal.agency +.Nm +in +.Li #ascii.town +on tilde.chat +. +.Sh DESCRIPTION +I make mostly IRC software in C. +I like +.Ox +but also the GPL. +I just want to read books +and try to learn to be kinder. +When I can I'd like to talk to strangers +and experience more magic. +. +.Pp +.Lk https://git.causal.agency code +\(em +.Lk https://text.causal.agency words +\(em +.Lk /list/ mailist +. +.Pp +These are some things I've done: +.Bl -tag -width Ds +.It Lk https://git.causal.agency/pounce/about pounce +a multi-client-first IRC bouncer +.It Lk https://git.causal.agency/catgirl/about catgirl +a cosy IRC client +.It Lk https://git.causal.agency/litterbox/about litterbox +a full-text search IRC logger +.It Lk https://git.causal.agency/scooper/about scooper +a web interface for litterbox +.It Lk https://git.causal.agency/kitd/about kitd +a process supervisor +.It Lk https://git.causal.agency/imbox/about "imbox & git-fetch-email" +a tool to pull patches out of IMAP +.It Lk https://git.causal.agency/bubger/about bubger +a mailing list archive generator for IMAP +.It Lk https://git.causal.agency/notemap/about notemap +a tool to mirror text files to IMAP notes +.It Lk https://ascii.town/explore.html torus@ascii.town +a collaborative ASCII art project +.It Lk ssh://play@ascii.town play@ascii.town +some games to play over +.Xr ssh 1 +.It Lk https://git.causal.agency/cards/about cards +a +.Pa CARDS.DLL +loader for SDL +.It Lk scheme.png scheme +an earthy terminal colour scheme +.El +. +.Sh SEE ALSO +.Bl -bullet +.It +.Lk /bin/ bin +.It +.Lk lands.html "Magic lands quiz" +.It +.Lk alpha.html "alphabet ranking game" +.El diff --git a/www/causal.agency/lands.html b/www/causal.agency/lands.html new file mode 100644 index 00000000..7aaadd80 --- /dev/null +++ b/www/causal.agency/lands.html @@ -0,0 +1,176 @@ +<!DOCTYPE html> +<title>Lands Quiz</title> +<meta name="viewport" content="width=device-width, initial-scale=1.0"> +<style> +html { font: 14pt sans-serif; line-height: 1.5em; } +body { padding: 1em 1ch; max-width: 78ch; margin: auto; } +h1 { text-align: center; } +h2 { margin-top: 0; } +button { font-size: 100%; padding: 0.5em 1ch; } +img { max-width: 100%; } +div.cols { display: grid; grid-template-columns: 1fr 1fr; gap: 2ch; } +</style> + +<h1 id="loading">Loading...</h1> +<h1 id="error" hidden>Failed to load cards :(</h1> + +<div id="game" hidden> +<h1>Magic Lands Quiz</h1> +<p>Try to guess the colours of mana each land produces!</p> +<div class="cols"> + <div> + <img id="back" src="https://backs.scryfall.io/normal/0/a/0aeebaf5-8c7d-4636-9e82-8c27447861f7.jpg"> + <a id="link" target="_blank"> + <img id="image1" hidden> + <img id="image2" hidden> + </a> + </div> + <div> + <h2 id="name"></h2> + <input type="checkbox" id="w"> <label for="w">White</label><br> + <input type="checkbox" id="u"> <label for="u">Blue</label><br> + <input type="checkbox" id="b"> <label for="b">Black</label><br> + <input type="checkbox" id="r"> <label for="r">Red</label><br> + <input type="checkbox" id="g"> <label for="g">Green</label><br> + <p><button id="submit">Submit</button></p> + <h3>Score: <span id="score">0</span>/<span id="total">0</span></h3> + </div> +</div> +</div> + +<script> +function shuffle(arr) { + let rand = (bound) => Math.floor(Math.random() * bound); + for (let i = arr.length-1; i > 0; --i) { + let j = rand(i+1); + let x = arr[i]; + arr[i] = arr[j]; + arr[j] = x; + } +} + +const CardBack = +"https://backs.scryfall.io/normal/0/a/0aeebaf5-8c7d-4636-9e82-8c27447861f7.jpg"; + +function hideCard() { + document.getElementById("back").hidden = false; + document.getElementById("image1").hidden = true; + document.getElementById("image2").hidden = true; +} + +function showCard(card) { + document.getElementById("back").hidden = true; + document.getElementById("link").href = card.scryfall_uri; + let image1 = document.getElementById("image1"); + let image2 = document.getElementById("image2"); + if (card.card_faces) { + image1.src = card.card_faces[0].image_uris.normal; + image2.src = card.card_faces[1].image_uris.normal; + image1.hidden = false; + image2.hidden = false; + } else { + image1.src = card.image_uris.normal; + image1.hidden = false; + } +} + +function resetChecks() { + for (let c of "wubrg") { + let input = document.getElementById(c); + input.checked = false; + input.disabled = false; + input.labels[0].style.fontWeight = "normal"; + } +} + +function checkChecks(card) { + let score = 0; + let total = 0; + let checked = 0; + for (let c of "wubrg") { + let input = document.getElementById(c); + let produced = card.produced_mana.includes(c.toUpperCase()); + if (produced) { + total++; + input.labels[0].style.fontWeight = "bold"; + if (input.checked) score++; + } + if (input.checked) checked++; + input.disabled = true; + } + if (checked > total) score -= (checked - total); + if (score < 0) score = 0; + return { score: score, total: total }; +} + +document.onkeydown = function(event) { + for (let c of "wubrg") { + if (event.key == c) { + let input = document.getElementById(c); + if (!input.disabled) input.checked ^= true; + } + } + if (event.key == "Enter") { + document.getElementById("submit").click(); + } +} + +let score = 0; +let total = 0; +let cards = []; +let card = null; + +function nextCard() { + hideCard(); + resetChecks(); + card = cards.shift(); + document.getElementById("name").innerText = card.name; +} + +document.getElementById("submit").onclick = function() { + if (card) { + let { score: cardScore, total: cardTotal } = checkChecks(card); + total += cardTotal; + score += cardScore; + document.getElementById("score").innerText = score; + document.getElementById("total").innerText = total; + showCard(card); + card = null; + if (cards.length) { + this.innerText = "Next card"; + } else { + this.disabled = true; + this.innerText = "No more cards"; + } + } else { + nextCard(); + this.innerText = "Submit"; + } +} + +function loadCards(resp) { + let loading = document.getElementById("loading"); + let error = document.getElementById("error"); + let game = document.getElementById("game"); + if (resp.status != 200) { + loading.hidden = true; + error.hidden = false; + } + resp.json().then((json) => { + cards.push(...json.data); + if (json.has_more) { + setTimeout(() => fetch(json.next_page).then(loadCards), 50); + } else { + loading.hidden = true; + game.hidden = false; + shuffle(cards); + nextCard(); + } + }); +} + +const Search = +"https://api.scryfall.com/cards/search?q=t:land+id>=2+produces>=2+produces!=wubrg"; +fetch(Search).then(loadCards); + +</script> diff --git a/www/causal.agency/style.css b/www/causal.agency/style.css new file mode 100644 index 00000000..ee218533 --- /dev/null +++ b/www/causal.agency/style.css @@ -0,0 +1,28 @@ +@import url("scheme.css"); + +table.head, table.foot { width: 100%; } +td.head-rtitle, td.foot-os { text-align: right; } +td.head-vol { text-align: center; } +div.Pp { margin: 1ex 0ex; } +div.Nd, div.Bf, div.Op { display: inline; } +span.Pa, span.Ad { font-style: italic; } +span.Ms { font-weight: bold; } +dl.Bl-diag > dt { font-weight: bold; } +code.Nm, code.Fl, code.Cm, code.Ic, code.In, code.Fd, code.Fn, +code.Cd { font-weight: bold; font-family: inherit; } + +div.head, div.foot { display: flex; justify-content: space-between; } +.head-ltitle, .foot-left { flex: 1; } +.head-vol, .foot-date { flex: 0 1 auto; text-align: center; } +.head-rtitle, .foot-os { flex: 1; text-align: right; } + +html { font-family: monospace; line-height: 1.25em; } +body { max-width: 80ch; margin: 1em auto; padding: 0 1ch; } +table { border-collapse: collapse; } +table.Nm code.Nm { padding-right: 1ch; } +table.foot { margin-top: 1em; } + +html { background-color: var(--ansi16); color: var(--ansi17); } +a { color: var(--ansi4); } +a:visited { color: var(--ansi5); } +a.permalink { color: var(--ansi3); text-decoration: none; } diff --git a/www/git.causal.agency/.gitignore b/www/git.causal.agency/.gitignore new file mode 100644 index 00000000..eaed8039 --- /dev/null +++ b/www/git.causal.agency/.gitignore @@ -0,0 +1,13 @@ +*.html +about-filter +compress +ctags +email-filter +filter +gzip +hilex +htagml +mandoc +mtags +owner-filter +source-filter diff --git a/www/git.causal.agency/Makefile b/www/git.causal.agency/Makefile new file mode 100644 index 00000000..86b9f3eb --- /dev/null +++ b/www/git.causal.agency/Makefile @@ -0,0 +1,53 @@ +PREFIX = /var/www +CONFDIR = ${PREFIX}/conf +DATADIR = ${PREFIX}/cgit +BINDIR = ${PREFIX}/bin +WEBROOT = ${PREIFX}/git.causal.agency + +CFLAGS += -Wall -Wextra +LDFLAGS = -static -pie + +BINS += about-filter +BINS += ctags +BINS += email-filter +BINS += gzip +BINS += hilex +BINS += htagml +BINS += mandoc +BINS += mtags +BINS += owner-filter +BINS += source-filter + +HTMLS = index.html + +all: ${BINS} ${HTMLS} + +compress ctags mandoc: + ${MAKE} -C /usr/src/usr.bin/$@ LDFLAGS='${LDFLAGS}' + mv /usr/src/usr.bin/$@/$@ $@ + ${MAKE} -C /usr/src/usr.bin/$@ clean + +gzip: compress + ln -f compress $@ + +hilex htagml mtags: + rm -f ../../bin/$@ + ${MAKE} -C ../../bin $@ LDFLAGS='${LDFLAGS}' + mv ../../bin/$@ $@ + +about-filter email-filter owner-filter source-filter: filter + ln -f filter $@ + +index.html: index.7 + mandoc -Thtml -Ostyle=https://causal.agency/style.css index.7 >index.html + +install: cgitrc custom.css ${BINS} + install -m 644 cgitrc ${CONFDIR} + install -m 644 custom.css ${DATADIR} + install -d -o www -g daemon ${PREFIX}/cache/cgit + install -d -m 1700 -o www -g daemon ${PREFIX}/tmp + install -s ${BINS} ${BINDIR} + install -m 644 ${HTMLS} ${WEBROOT} + +clean: + rm -f compress filter ${BINS} ${HTMLS} diff --git a/www/git.causal.agency/cgitrc b/www/git.causal.agency/cgitrc new file mode 100644 index 00000000..0666fd28 --- /dev/null +++ b/www/git.causal.agency/cgitrc @@ -0,0 +1,30 @@ +root-title=causal agency +root-desc=“I think some people from the Gentoo project are behind this.” +logo= + +clone-url=https://$HTTP_HOST/$CGIT_REPO_URL +snapshots=tar.gz zip + +enable-blame=1 +enable-commit-graph=1 +enable-subject-links=1 +enable-follow-links=1 +enable-index-owner=0 +repository-sort=age +branch-sort=age + +css=/custom.css +about-filter=/bin/about-filter +source-filter=/bin/source-filter +#owner-filter=/bin/owner-filter +email-filter=/bin/email-filter + +readme=:README.7 +readme=:README + +remove-suffix=1 +enable-git-config=1 +scan-path=/git.causal.agency + +cache-root=/cache/cgit +cache-size=1024 diff --git a/www/git.causal.agency/custom.css b/www/git.causal.agency/custom.css new file mode 100644 index 00000000..b3f4f425 --- /dev/null +++ b/www/git.causal.agency/custom.css @@ -0,0 +1,86 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at https://mozilla.org/MPL/2.0/. */ + +@import url("cgit.css"); + +* { line-height: 1.25em; } + +div#cgit { + max-width: 117ch; + margin: auto; + font-family: monospace; + -moz-tab-size: 4; + tab-size: 4; +} + +div#cgit table#header td.sub { + border-top: none; +} +div#cgit table#header td.sub.right { + padding-right: 1em; +} +div#cgit table.tabs { + border-bottom: none; +} +div#cgit div.content { + border-bottom: none; +} +div#cgit table.list th a { + color: inherit; +} +div#cgit table.list tr:nth-child(even) { + background: inherit; +} +div#cgit table.list tr:hover { + background: inherit; +} +div#cgit table.list tr.nohover-highlight:hover:nth-child(even) { + background: inherit; +} + +div#cgit table.blob td.linenumbers a:target { + color: goldenrod; + text-decoration: underline; + outline: none; +} + +div#cgit div#summary { + max-width: 80ch; +} + +/* for hilex(1) */ +div#cgit pre .Ke { color: dimgray; } +div#cgit pre .Ma { color: green; } +div#cgit pre .Co { color: navy; } +div#cgit pre .St { color: teal; } +div#cgit pre .Fo { color: teal; font-weight: bold; } +div#cgit pre .Su { color: olive; } + +/* for htagml(1) */ +div#cgit pre a.tag { color: inherit; text-decoration: underline; } +div#cgit pre a.tag:target { color: goldenrod; outline: none; } + +/* for mandoc(1) */ +table.head, table.foot { width: 100%; } +td.head-rtitle, td.foot-os { text-align: right; } +td.head-vol { text-align: center; } +div.Pp { margin: 1ex 0ex; } +div.Nd, div.Bf, div.Op { display: inline; } +span.Pa, span.Ad { font-style: italic; } +span.Ms { font-weight: bold; } +dl.Bl-diag > dt { font-weight: bold; } +code.Nm, code.Fl, code.Cm, code.Ic, code.In, code.Fd, code.Fn, +code.Cd { font-weight: bold; font-family: inherit; } + +h1.Sh { font-size: 1.5em; } +table.Nm td:first-child { padding-right: 1ch; } +code.Fl { white-space: nowrap; } +span.RsT { font-style: italic; } +dl.Bl-tag:not(.Bl-compact) > dt { margin-top: 1em; } +ul.Bl-bullet:not(.Bl-compact) > li { margin-top: 1em; } +div.Bd-indent { margin-left: 4ch; } +table.Bl-column { width: 100%; } +table.foot { margin-top: 1em; } + +div#cgit a.permalink { color: inherit; } diff --git a/www/git.causal.agency/filter.c b/www/git.causal.agency/filter.c new file mode 100644 index 00000000..7c7e9320 --- /dev/null +++ b/www/git.causal.agency/filter.c @@ -0,0 +1,158 @@ +#include <err.h> +#include <fcntl.h> +#include <fnmatch.h> +#include <limits.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sys/wait.h> +#include <unistd.h> + +#define Q(...) #__VA_ARGS__ + +#define MANDOC_OPTIONS "fragment,man=%N.%S,includes=../tree/%I" + +static int about(int argc, char *argv[]) { + if (argc < 2) return 1; + if (!fnmatch("README.[1-9]", argv[1], 0)) { + execlp("mandoc", "mandoc", "-T", "html", "-O", MANDOC_OPTIONS, NULL); + err(127, "mandoc"); + } else if (!fnmatch("*.[1-9]", argv[1], 0)) { + execlp( + "mandoc", "mandoc", "-T", "html", "-O", "toc," MANDOC_OPTIONS, NULL + ); + err(127, "mandoc"); + } else { + execlp("hilex", "hilex", "-l", "text", "-f", "html", "-o", "pre", NULL); + err(127, "hilex"); + } +} + +static int email(void) { + size_t cap = 0; + char *buf = NULL; + if (getline(&buf, &cap, stdin) < 0) err(1, "getline"); + if (buf[0] == 'C' && !strncmp(&buf[strcspn(buf, " ")], " McEnroe", 8)) { + printf("June%s", &buf[strcspn(buf, " ")]); + } else { + printf("%s", buf); + } + return 0; +} + +static int owner(void) { + printf(Q(<a href="https://liberapay.com/june/donate"><img alt="Donate using Liberapay" src="https://liberapay.com/assets/widgets/donate.svg"></a>)); + return 0; +} + +#define CTAGS_PATTERN "*.[chlmy]" +#define TEMPLATE "/tmp/filter.XXXXXXXXXX" + +static char tmp[PATH_MAX]; +static char tags[] = TEMPLATE; +static void cleanup(void) { + unlink(tmp); + unlink(tags); +} + +static int source(int argc, char *argv[]) { + if (argc < 2) return 1; + if ( + strcmp("Makefile", argv[1]) && + strcmp(".profile", argv[1]) && + strcmp(".shrc", argv[1]) && + fnmatch(CTAGS_PATTERN, argv[1], 0) && + fnmatch("*.mk", argv[1], 0) && + fnmatch("*.[1-9]", argv[1], 0) && + fnmatch("*.sh", argv[1], 0) + ) { + execlp("hilex", "hilex", "-t", "-n", argv[1], "-f", "html", NULL); + err(127, "hilex"); + } + + const char *ext = strrchr(argv[1], '.'); + if (!strcmp(argv[1], ".profile") || !strcmp(argv[1], ".shrc")) { + ext = ".sh"; + } else if (!strcmp(argv[1], "Makefile")) { + ext = ".mk"; + } else if (!ext) { + ext = ""; + } + + snprintf(tmp, sizeof(tmp), TEMPLATE "%s", ext); + int fd = mkstemps(tmp, strlen(ext)); + if (fd < 0) err(1, "%s", tmp); + atexit(cleanup); + + char buf[4096]; + for (ssize_t len; 0 < (len = read(STDIN_FILENO, buf, sizeof(buf)));) { + if (write(fd, buf, len) < 0) err(1, "%s", tmp); + } + if (close(fd) < 0) err(1, "%s", tmp); + + fd = mkstemp(tags); + if (fd < 0) err(1, "%s", tags); + close(fd); + pid_t pid = fork(); + if (pid < 0) err(1, "fork"); + if (!pid) { + if (!fnmatch(CTAGS_PATTERN, argv[1], 0)) { + execlp("ctags", "ctags", "-w", "-f", tags, tmp, NULL); + warn("ctags"); + } else { + execlp("mtags", "mtags", "-f", tags, tmp, NULL); + warn("mtags"); + } + _exit(127); + } + int status; + if (wait(&status) < 0) err(1, "wait"); + + int rw[2]; + if (pipe(rw) < 0) err(1, "pipe"); + pid = fork(); + if (pid < 0) err(1, "fork"); + if (!pid) { + dup2(rw[1], STDOUT_FILENO); + close(rw[0]); + close(rw[1]); + execlp("hilex", "hilex", "-f", "html", tmp, NULL); + warn("hilex"); + _exit(127); + } + pid = fork(); + if (pid < 0) err(1, "fork"); + if (!pid) { + dup2(rw[0], STDIN_FILENO); + close(rw[0]); + close(rw[1]); + execlp("htagml", "htagml", "-im", "-f", tags, tmp, NULL); + warn("htagml"); + _exit(127); + } + close(rw[0]); + close(rw[1]); + + if (wait(&status) < 0) err(1, "wait"); + if (wait(&status) < 0) err(1, "wait"); + return status; +} + +int main(int argc, char *argv[]) { +#ifdef __OpenBSD__ + int error; + switch (getprogname()[0]) { + break; case 'a': error = pledge("stdio exec", NULL); + break; case 's': error = pledge("stdio tmppath proc exec", NULL); + break; default: error = pledge("stdio", NULL); + } + if (error) err(1, "pledge"); +#endif + switch (getprogname()[0]) { + case 'a': return about(argc, argv); + case 'e': return email(); + case 'o': return owner(); + case 's': return source(argc, argv); + default: return 1; + } +} diff --git a/www/git.causal.agency/index.7 b/www/git.causal.agency/index.7 new file mode 100644 index 00000000..58a40dfe --- /dev/null +++ b/www/git.causal.agency/index.7 @@ -0,0 +1,81 @@ +.Dd January 12, 2024 +.Dt GIT.CAUSAL.AGENCY 7 +.Os "Causal Agency" +. +.Sh NAME +.Nm causal agency +.Nd \(dqI think some people from the Gentoo project are behind this.\(dq +. +.Sh DESCRIPTION +basically cgit (awful software) +getting hammered by web crawlers +keeps making my machine crash. +this static page will be here +until I can find a better solution. +clone urls and tarball urls are still functional. +. +.Bl -tag +.It src \(em dontfiles +.Dl git clone https://git.causal.agency/src +.It ascii.town +.Bl -tag +.It torus \(em collaborative ASCII art +.Dl git clone https://git.causal.agency/torus +.It play \(em some games for SSH +.Dl git clone https://git.causal.agency/play +.El +.It email +.Bl -tag +.It imbox \(em IMAP to mbox +.Dl git clone https://git.causal.agency/imbox +.It bubger \(em IMAP archive generator +.Dl git clone https://git.causal.agency/bubger +.It notemap \(em notemap +.Dl git clone https://git.causal.agency/notemap +.El +.It forks +.Bl -tag +.It shulker \(em Discord to vanilla Minecraft bridge +.Dl git clone https://git.causal.agency/shulker +.It cgit-pink \(em web frontend for git +.Dl git clone https://git.causal.agency/cgit-pink +.It dash \(em patched shell with cmake build +.Dl git clone https://git.causal.agency/dash +.El +.It games +.Bl -tag +.It wep \(em Windows Entertainment Pack recreations +.Dl git clone https://git.causal.agency/wep +.It cards \(em CARDS.DLL loader for SDL +.Dl git clone https://git.causal.agency/cards +.El +.It irc +.Bl -tag +.It scooper \(em web interface for litterbox +.Dl git clone https://git.causal.agency/scooper +.It litterbox \(em IRC logger +.Dl git clone https://git.causal.agency/litterbox +.It pounce \(em IRC bouncer +.Dl git clone https://git.causal.agency/pounce +.It catgirl \(em IRC client +.Dl git clone https://git.causal.agency/catgirl +.El +.It ports +.Bl -tag +.It jorts \(em my own ports tree for macOS +.Dl git clone https://git.causal.agency/jorts +.It exman \(em manuals for other systems +.Dl git clone https://git.causal.agency/exman +.It libretls \(em libtls for OpenSSL +.Dl git clone https://git.causal.agency/libretls +.It ports \(em Fx and Ox ports for this software +.Dl git clone https://git.causal.agency/ports +.El +.It system +.Bl -tag +.It kitd \(em process supervisor for OpenBSD +.Dl git clone https://git.causal.agency/kitd +.It catsit \(em (deprecated) process supervisor +.Dl git clone https://git.causal.agency/catsit +.El +.El diff --git a/www/photo.causal.agency/.gitignore b/www/photo.causal.agency/.gitignore new file mode 100644 index 00000000..a5f66a9d --- /dev/null +++ b/www/photo.causal.agency/.gitignore @@ -0,0 +1,2 @@ +static/ +*.JPG diff --git a/2024-04-10/IMG_0832.txt b/www/photo.causal.agency/2024-04-10/IMG_0832.txt index 65724024..65724024 100644 --- a/2024-04-10/IMG_0832.txt +++ b/www/photo.causal.agency/2024-04-10/IMG_0832.txt diff --git a/2024-04-10/IMG_0850.txt b/www/photo.causal.agency/2024-04-10/IMG_0850.txt index 4cbb3def..4cbb3def 100644 --- a/2024-04-10/IMG_0850.txt +++ b/www/photo.causal.agency/2024-04-10/IMG_0850.txt diff --git a/2024-04-10/IMG_0852.txt b/www/photo.causal.agency/2024-04-10/IMG_0852.txt index 707d7cd6..707d7cd6 100644 --- a/2024-04-10/IMG_0852.txt +++ b/www/photo.causal.agency/2024-04-10/IMG_0852.txt diff --git a/2024-04-10/IMG_0858.txt b/www/photo.causal.agency/2024-04-10/IMG_0858.txt index 42f243e4..42f243e4 100644 --- a/2024-04-10/IMG_0858.txt +++ b/www/photo.causal.agency/2024-04-10/IMG_0858.txt diff --git a/2024-04-10/IMG_0859.txt b/www/photo.causal.agency/2024-04-10/IMG_0859.txt index ca33d7e0..ca33d7e0 100644 --- a/2024-04-10/IMG_0859.txt +++ b/www/photo.causal.agency/2024-04-10/IMG_0859.txt diff --git a/2024-04-10/IMG_0865.txt b/www/photo.causal.agency/2024-04-10/IMG_0865.txt index 7a955fc2..7a955fc2 100644 --- a/2024-04-10/IMG_0865.txt +++ b/www/photo.causal.agency/2024-04-10/IMG_0865.txt diff --git a/2024-04-10/IMG_0890.txt b/www/photo.causal.agency/2024-04-10/IMG_0890.txt index 9d2cdc43..9d2cdc43 100644 --- a/2024-04-10/IMG_0890.txt +++ b/www/photo.causal.agency/2024-04-10/IMG_0890.txt diff --git a/2024-04-14/IMG_1054.txt b/www/photo.causal.agency/2024-04-14/IMG_1054.txt index f4803ee2..f4803ee2 100644 --- a/2024-04-14/IMG_1054.txt +++ b/www/photo.causal.agency/2024-04-14/IMG_1054.txt diff --git a/2024-04-14/IMG_1058.txt b/www/photo.causal.agency/2024-04-14/IMG_1058.txt index 21aeb189..21aeb189 100644 --- a/2024-04-14/IMG_1058.txt +++ b/www/photo.causal.agency/2024-04-14/IMG_1058.txt diff --git a/2024-04-14/IMG_1066.txt b/www/photo.causal.agency/2024-04-14/IMG_1066.txt index 81747287..81747287 100644 --- a/2024-04-14/IMG_1066.txt +++ b/www/photo.causal.agency/2024-04-14/IMG_1066.txt diff --git a/generate.sh b/www/photo.causal.agency/generate.sh index 4b30db92..4b30db92 100644 --- a/generate.sh +++ b/www/photo.causal.agency/generate.sh diff --git a/rsync.sh b/www/photo.causal.agency/rsync.sh index 957911d2..957911d2 100644 --- a/rsync.sh +++ b/www/photo.causal.agency/rsync.sh diff --git a/www/temp.causal.agency/.gitignore b/www/temp.causal.agency/.gitignore new file mode 100644 index 00000000..e31ee94e --- /dev/null +++ b/www/temp.causal.agency/.gitignore @@ -0,0 +1 @@ +up diff --git a/www/temp.causal.agency/Makefile b/www/temp.causal.agency/Makefile new file mode 100644 index 00000000..a69a2b48 --- /dev/null +++ b/www/temp.causal.agency/Makefile @@ -0,0 +1,15 @@ +CGI_BIN = /var/www/cgi-bin + +CFLAGS += -std=c11 -Wall -Wextra -Wpedantic $$(pkg-config --cflags kcgi) +LDLIBS = -static $$(pkg-config --static --libs kcgi-html) + +up: + +clean: + rm -f up + +install: up + install up ${CGI_BIN}/up + +uninstall: + rm -f ${CGI_BIN}/up diff --git a/www/temp.causal.agency/up.c b/www/temp.causal.agency/up.c new file mode 100644 index 00000000..561a8901 --- /dev/null +++ b/www/temp.causal.agency/up.c @@ -0,0 +1,193 @@ +/* Copyright (C) 2020 June McEnroe <june@causal.agency> + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <err.h> +#include <fcntl.h> +#include <stdarg.h> +#include <stdint.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sys/types.h> +#include <sysexits.h> +#include <time.h> +#include <unistd.h> + +#include <kcgi.h> +#include <kcgihtml.h> + +static const char *Page = "up"; +static const struct kvalid Key = { NULL, "file" }; + +static enum kcgi_err head(struct kreq *req, enum khttp http, enum kmime mime) { + return khttp_head(req, kresps[KRESP_STATUS], "%s", khttps[http]) + || khttp_head(req, kresps[KRESP_CONTENT_TYPE], "%s", kmimetypes[mime]); +} + +static enum kcgi_err fail(struct kreq *req, enum khttp http) { + return head(req, http, KMIME_TEXT_PLAIN) + || khttp_body(req) + || khttp_printf(req, "%s\n", khttps[http]); +} + +static int dir = -1; +static const char *upload(const char *ext, void *ptr, size_t len) { + static char name[256]; + snprintf( + name, sizeof(name), "%jx%08x%s%s", + (intmax_t)time(NULL), arc4random(), + (ext && ext[0] != '.' ? "." : ""), (ext ? ext : "") + ); + int fd = openat(dir, name, O_CREAT | O_EXCL | O_WRONLY, 0644); + if (fd < 0) { + warn("%s", name); + return NULL; + } + ssize_t n = write(fd, ptr, len); + int error = close(fd); + if (n < 0 || error) { + warn("%s", name); + return NULL; + } + return name; +} + +static enum kcgi_err handle(struct kreq *req) { + if (req->page) return fail(req, KHTTP_404); + + if (req->method == KMETHOD_GET) { + struct khtmlreq html; + struct khtmlreq *h = &html; + return head(req, KHTTP_200, KMIME_TEXT_HTML) + || khttp_body(req) + || khtml_open(h, req, 0) + || khtml_elem(h, KELEM_DOCTYPE) + || khtml_elem(h, KELEM_TITLE) + || khtml_puts(h, "Upload") + || khtml_closeelem(h, 1) + || khtml_attr( + h, KELEM_FORM, + KATTR_METHOD, "post", + KATTR_ACTION, "", + KATTR_ENCTYPE, "multipart/form-data", + KATTR__MAX + ) + || khtml_attr( + h, KELEM_INPUT, + KATTR_TYPE, "file", + KATTR_NAME, Key.name, + KATTR__MAX + ) + || khtml_attr( + h, KELEM_INPUT, + KATTR_TYPE, "submit", + KATTR_VALUE, "Upload", + KATTR__MAX + ) + || khtml_close(h); + + } else if (req->method == KMETHOD_POST) { + struct kpair *field = req->fieldmap[0]; + if (!field || !field->valsz) return fail(req, KHTTP_400); + + const char *ext = strrchr(field->file, '.'); + const char *name = upload(ext, field->val, field->valsz); + if (!name) return fail(req, KHTTP_507); + + return head(req, KHTTP_303, KMIME_TEXT_PLAIN) + || khttp_head(req, kresps[KRESP_LOCATION], "/%s", name) + || khttp_body(req) + || khttp_puts(req, name); + + } else if (req->method == KMETHOD_PUT) { + struct kpair *field = req->fields; + if (!field || !field->valsz) return fail(req, KHTTP_400); + + const char *ext = req->suffix; + if (!ext[0]) ext = strrchr(field->file, '.'); + const char *name = upload(ext, field->val, field->valsz); + if (!name) return fail(req, KHTTP_507); + + return head(req, KHTTP_200, KMIME_TEXT_PLAIN) + || khttp_body(req) + || khttp_printf( + req, "%s://%s/%s\n", kschemes[req->scheme], req->host, name + ); + + } else { + return fail(req, KHTTP_405); + } +} + +int main(int argc, char *argv[]) { + int error; + const char *path = (argc > 1 ? argv[1] : "."); + dir = open(path, O_DIRECTORY); + if (dir < 0) err(EX_NOINPUT, "%s", path); + +#ifdef __OpenBSD__ + error = unveil(path, "wc"); + if (error) err(EX_OSERR, "unveil"); +#endif + + if (!khttp_fcgi_test()) { +#ifdef __OpenBSD__ + error = pledge("stdio wpath cpath proc", NULL); + if (error) err(EX_OSERR, "pledge"); +#endif + + struct kreq req; + error = khttp_parse(&req, &Key, 1, &Page, 1, 0); + if (error) errx(EX_PROTOCOL, "khttp_parse: %s", kcgi_strerror(error)); + +#ifdef __OpenBSD__ + error = pledge("stdio wpath cpath", NULL); + if (error) err(EX_OSERR, "pledge"); +#endif + + error = handle(&req); + if (error) errx(EX_PROTOCOL, "%s", kcgi_strerror(error)); + khttp_free(&req); + return EX_OK; + } + +#ifdef __OpenBSD__ + error = pledge("stdio wpath cpath unix sendfd recvfd proc", NULL); + if (error) err(EX_OSERR, "pledge"); +#endif + + struct kfcgi *fcgi; + error = khttp_fcgi_init(&fcgi, &Key, 1, &Page, 1, 0); + if (error) errx(EX_CONFIG, "khttp_fcgi_init: %s", kcgi_strerror(error)); + +#ifdef __OpenBSD__ + error = pledge("stdio wpath cpath recvfd", NULL); + if (error) err(EX_OSERR, "pledge"); +#endif + + for ( + struct kreq req; + !(error = khttp_fcgi_parse(fcgi, &req)); + khttp_free(&req) + ) { + error = handle(&req); + if (error && error != KCGI_HUP) break; + } + if (error != KCGI_EXIT) { + errx(EX_PROTOCOL, "khttp_fcgi_parse: %s", kcgi_strerror(error)); + } + khttp_fcgi_free(fcgi); +} diff --git a/www/text.causal.agency/.gitignore b/www/text.causal.agency/.gitignore new file mode 100644 index 00000000..66b3e637 --- /dev/null +++ b/www/text.causal.agency/.gitignore @@ -0,0 +1,4 @@ +*.txt +colb +feed.atom +igp diff --git a/www/text.causal.agency/001-make.7 b/www/text.causal.agency/001-make.7 new file mode 100644 index 00000000..b4805729 --- /dev/null +++ b/www/text.causal.agency/001-make.7 @@ -0,0 +1,159 @@ +.Dd September 17, 2018 +.Dt MAKE 7 +.Os "Causal Agency" +. +.Sh NAME +.Nm Using Make +.Nd writing less Makefile +. +.Sh DESCRIPTION +Let's talk about +.Xr make 1 . +I think an important thing to know about +.Xr make 1 +is that you don't need to write a +.Pa Makefile +to use it. +There are default rules +for C, C++ and probably Fortran. +To build +.Pa foo +from +.Pa foo.c , +just run: +. +.Pp +.Dl make foo +. +.Pp +The default rule for C files uses the +.Ev CFLAGS +variable, +so you can set that in the environment +to pass flags to the C compiler: +. +.Pp +.Dl CFLAGS=-Wall make foo +. +.Pp +It also uses +.Ev LDLIBS +for linking, +so you can add libraries with: +. +.Pp +.Dl LDLIBS=-lcurses make foo +. +.Pp +Obviously writing this every time +would become tedious, +so it might be time to write a +.Pa Makefile . +But it really doesn't need much: +. +.Bd -literal -offset indent +CFLAGS += -Wall -Wextra +LDLIBS = -lcurses + +foo: +.Ed +. +.Pp +Assigning +.Ev CFLAGS +with +.Ql += +preserves the system default +or anything passed in the environment. +Declaring +.Pa foo +as the first rule +makes it the default when +.Ql make +is run without a target. +Note that the rule doesn't need a definition; +the default will still be used. +. +.Pp +If +.Pa foo +is built from serveral source files, +unfortunately a rule definition is required: +. +.Bd -literal -offset indent +OBJS = foo.o bar.o baz.o + +foo: $(OBJS) + $(CC) $(LDFLAGS) $(OBJS) $(LDLIBS) -o $@ +.Ed +. +.Pp +This rule uses +.Ev LDFLAGS +for passing linker flags, +which is what the default rule does. +The +.Ql $@ +variable here expands to +.Ql foo , +so this rule can be copied easily +for other binary targets. +. +.Pp +If some sources depend on a header file, +they can be automatically rebuilt +when the header changes +by declaring a dependency rule: +. +.Pp +.Dl foo.o bar.o: foo.h +. +.Pp +Note that several files can appear +either side of the +.Ql ":" . +. +.Pp +Lastly, +it's always nice to add a +.Cm clean +target: +. +.Bd -literal -offset indent +clean: + rm -f $(OBJS) foo +.Ed +. +.Pp +I hope this helps getting started with +.Xr make 1 +without writing too much +.Pa Makefile ! +. +.Sh EXAMPLES +The example +.Pa Makefile +in its entirety: +. +.Bd -literal -offset indent +CFLAGS += -Wall -Wextra +LDLIBS = -lcurses +OBJS = foo.o bar.o baz.o + +foo: $(OBJS) + $(CC) $(LDFLAGS) $(OBJS) $(LDLIBS) -o $@ + +foo.o bar.o: foo.h + +clean: + rm -f $(OBJS) foo +.Ed +. +.Sh AUTHORS +.An Mt june@causal.agency +. +.Pp +This document is produced from +.Xr mdoc 7 +source available from +.Lk https://git.causal.agency/src/tree/www/text.causal.agency diff --git a/www/text.causal.agency/002-writing-mdoc.7 b/www/text.causal.agency/002-writing-mdoc.7 new file mode 100644 index 00000000..b377d364 --- /dev/null +++ b/www/text.causal.agency/002-writing-mdoc.7 @@ -0,0 +1,138 @@ +.Dd September 27, 2018 +.Dt WRITING-MDOC 7 +.Os "Causal Agency" +. +.Sh NAME +.Nm Writing mdoc +.Nd semantic markup +. +.Sh DESCRIPTION +I recently learned how to write man pages +so that I could document +a bunch of little programs I've written. +Modern man pages are written in +.Xr mdoc 7 , +whose documentation is also available from +.Lk http://mandoc.bsd.lv . +. +.Pp +.Xr mdoc 7 +differs from many other markup languages +by providing +.Dq semantic markup +rather than just +.Dq physical markup. +What this means is that +the markup indicates what something is, +not how to format it. +For example, +the +.Ql \&Ar +macro is used to indicate +command-line arguments +rather than one of the macros +for bold, italic or underline. +This frees each author of having to choose +and enables consistent presentation +across different man pages. +. +.Pp +Another advantage of semantic markup +is that information can be extracted from it. +For example, +.Xr makewhatis 8 +can easily extract the name and short description +from each man page +thanks to the +.Ql \&Nm +and +.Ql \&Nd +macros. +I use the same information +to generate an Atom feed for these documents, +though in admittedly a much less robust way than +.Xr mandoc 1 . +. +.Pp +When it comes to actually writing +.Xr mdoc 7 , +it can take some getting used to. +The language is of +.Xr roff 7 +lineage +so its syntax is very particular. +Macros cannot appear inline, +but must start on new lines +beginning with +.Ql \&. . +Sentences should likewise +always start on a new line. +Since I'm in the habit of writing with +semantic line breaks, +I actually find these requirements +fit in well. +. +.Pp +The more frustrating syntax limitation to me +is the rule against empty lines. +Without them, +it can be quite difficult to edit a lengthy document. +Thankfully, +lines with only a +.Ql \&. +on them are allowed, +but this still causes visual noise. +To alleviate that, +I have a +.Xr vim 1 +syntax file for +.Xr mdoc 7 +which conceals the lone dots: +. +.Bd -literal -offset indent +if exists("b:current_syntax") + finish +endif + +runtime! syntax/nroff.vim +unlet! b:current_syntax + +setlocal sections+=ShSs +syntax match mdocBlank /^\\.$/ conceal +setlocal conceallevel=2 + +let b:current_syntax = "mdoc" +.Ed +. +.Pp +It also adds the +.Xr mdoc 7 +section header and subsection header macros to the +.Cm sections +option to make +.Xr vim 1 Ap s +.Ic { +and +.Ic } +motions +aware of them. +. +.Pp +With that, +I've found writing man pages pleasant and rewarding. +I've started writing other documents with +.Xr mdoc 7 +as well, +as you can see here. +. +.Sh SEE ALSO +.Lk http://rhodesmill.org/brandon/2012/one-sentence-per-line/ "Semantic Linefeeds" +. +.Sh AUTHORS +.An Mt june@causal.agency +. +.Pp +This document is produced from +.Xr mdoc 7 +source available from +.Lk https://git.causal.agency/src/tree/www/text.causal.agency diff --git a/www/text.causal.agency/003-pleasant-c.7 b/www/text.causal.agency/003-pleasant-c.7 new file mode 100644 index 00000000..16030b7e --- /dev/null +++ b/www/text.causal.agency/003-pleasant-c.7 @@ -0,0 +1,120 @@ +.Dd September 30, 2018 +.Dt PLEASANT-C 7 +.Os "Causal Agency" +. +.Sh NAME +.Nm Pleasant C +.Nd it's good, actually +. +.Sh DESCRIPTION +I've been writing a lot of C lately +and actually find it very pleasant. +I want to talk about some of its ergonomic features. +These are C99 features unless otherwise noted. +. +.Ss Initializer syntax +Struct and union initializer syntax +is well generalized. +Designators can be chained, +making initializing nested structs easy, +and all uninitialized fields are zeroed. +. +.Bd -literal -offset indent +struct { + struct pollfd fds[2]; +} loop = { + .fds[0].fd = STDIN_FILENO, + .fds[1].fd = STDOUT_FILENO, + .fds[0].events = POLLIN, + .fds[1].events = POLLOUT, +}; +.Ed +. +.Ss Variable-length arrays +VLAs can be multi-dimensional, +which can avoid manual stride multiplications +needed to index a flat +.Xr malloc 3 Ap d +array. +. +.Bd -literal -offset indent +uint8_t glyphs[len][height][width]; +fread(glyphs, height * width, len, stdin); +.Ed +. +.Ss Incomplete array types +The last field of a struct can be an +.Dq incomplete +array type, +which means it doesn't have a length. +A variable amount of space for the struct can be +.Xr malloc 3 Ap d , +or the struct can be used as +a sort of pointer with fields. +. +.Bd -literal -offset indent +struct Line { + enum Filter type; + uint8_t data[]; +} *line = &png.data[1 + lineSize()]; +.Ed +. +.Ss Anonymous struct and union fields (C11) +Members of structs or unions +which are themselves structs or unions +can be unnamed. +In that case, +each of the inner fields +is treated as a member of the outer struct or union. +This makes working with tagged unions nicer. +. +.Bd -literal -offset indent +struct Message { + enum { Foo, Bar } type; + union { + uint8_t foo; + uint32_t bar; + }; +} msg = { .type = Foo, .foo = 0xFF }; +.Ed +. +.Ss Static assert (C11) +Assertions can be made at compile time. +Most useful for checking sizes of structs. +. +.Bd -literal -offset indent +static_assert(13 == sizeof(struct PNGHeader), "PNG IHDR size"); +.Ed +. +.Ss Leading-break switch +This one is just an odd style choice +I came across that C happens to allow. +To prevent accidental fall-through +in switch statements, +you can put breaks before the case labels. +. +.Bd -literal -offset indent +while (0 < (opt = getopt(argc, argv, "h:w:"))) { + switch (opt) { + break; case 'h': height = optarg; + break; case 'w': width = optarg; + break; default: return EX_USAGE; + } +} +.Ed +. +.Sh AUTHORS +.An Mt june@causal.agency +. +.Pp +This document is produced from +.Xr mdoc 7 +source available from +.Lk https://git.causal.agency/src/tree/www/text.causal.agency +. +.Sh CAVEATS +This isn't meant to be advice. +It's just how I like to write C, +and I don't +.Dq ship +software in C. diff --git a/www/text.causal.agency/004-uloc.7 b/www/text.causal.agency/004-uloc.7 new file mode 100644 index 00000000..edd78d80 --- /dev/null +++ b/www/text.causal.agency/004-uloc.7 @@ -0,0 +1,64 @@ +.Dd December 14, 2018 +.Dt ULOC 7 +.Os "Causal Agency" +. +.Sh NAME +.Nm ULOC +.Nd unique lines of code +. +.Sh DESCRIPTION +There are many tools available +which measure SLOC: source lines of code. +These tools are strangely complex +for what they intend to do, +which is to estimate the relative sizes of projects. +They perform some amount of parsing +in order to discount comments in various languages, +and for reasons unknown each format their ouput +in some oddly encumbered way. +. +.Pp +I propose a much simpler method +of estimating relative sizes of projects: +unique lines of code. +ULOC can be calculated with standard tools as follows: +. +.Bd -literal -offset indent +sort -u *.h *.c | wc -l +.Ed +. +.Pp +In my opinion, +the number this produces +should be a better estimate of +the complexity of a project. +Compared to SLOC, +not only are blank lines discounted, +but so are close-brace lines +and other repetitive code +such as common includes. +On the other hand, +ULOC counts comments, +which require just as much maintenance +as the code around them does, +while avoiding inflating the result +with license headers which appear in every file, +for example. +. +.Pp +It can also be amusing +to read all of your code sorted alphabetically. +. +.Sh AUTHORS +.An Mt june@causal.agency +. +.Pp +This document is produced from +.Xr mdoc 7 +source available from +.Lk https://git.causal.agency/src/tree/www/text.causal.agency +. +.Sh CAVEATS +Estimates such as these +should not be used for decision making +as if they were data. diff --git a/www/text.causal.agency/005-testing-c.7 b/www/text.causal.agency/005-testing-c.7 new file mode 100644 index 00000000..d0c636ff --- /dev/null +++ b/www/text.causal.agency/005-testing-c.7 @@ -0,0 +1,73 @@ +.Dd December 21, 2018 +.Dt TESTING-C 7 +.Os "Causal Agency" +. +.Sh NAME +.Nm Testing C +.Nd a simple unit testing setup +. +.Sh DESCRIPTION +This is a simple approach +to unit testing in C +that I've used in a couple projects. +At the bottom of a C file +with some code I want to test, +I add: +. +.Bd -literal -offset indent +#ifdef TEST +#include <assert.h> + +int main(void) { + assert(...); + assert(...); +} + +#endif +.Ed +. +.Pp +This file normally produces a +.Pa .o +to be linked into the main binary. +For testing, +I produce separate binaries +and run them with +.Xr make 1 : +. +.Bd -literal -offset indent +TESTS = foo.t bar.t + +\&.SUFFIXES: .t + +\&.c.t: + $(CC) $(CFLAGS) -DTEST $(LDFLAGS) $< $(LDLIBS) -o $@ + +test: $(TESTS) + set -e; $(TESTS:%=./%;) +.Ed +. +.Pp +Note that the test binaries +aren't linked with the rest of the code, +so there is potential for simple stubbing or mocking. +. +.Pp +To get the best output +from C's simple +.Xr assert 3 , +it's best to assert the result +of a helper function +which takes the expected output +and the test input, +rather than calling +.Xr assert 3 +inside the helper function. +This way, +the message printed by the assert failure +contains a useful line number +and the expected output +rather than just variable names. +. +.Sh AUTHORS +.An Mt june@causal.agency diff --git a/www/text.causal.agency/006-some-libs.7 b/www/text.causal.agency/006-some-libs.7 new file mode 100644 index 00000000..5af65404 --- /dev/null +++ b/www/text.causal.agency/006-some-libs.7 @@ -0,0 +1,96 @@ +.Dd December 11, 2019 +.Dt SOME-LIBS 7 +.Os "Causal Agency" +. +.Sh NAME +.Nm Some Libraries +.Nd good ones +. +.Sh DESCRIPTION +This is a little list of C libraries +I've had good experiences using. +. +.Bl -tag -width Ds +.It Fl lcurl +The library behind the +.Xr curl 1 +command. +It downloads or uploads things on the internet +through a number of protocols, +not just HTTP. +It has an easy-to-use library API, +appropriately named +.Xr libcurl-easy 3 . +I've used it to implement a +.Lk https://causal.agency/bin/title.html "page title fetcher" . +. +.It Fl lcurses +Okay so this one really isn't great. +Its interfaces can seem archaic +and its documentation is often poor. +However, it gets the job done +and is commonly available pretty much everywhere. +Interesting to note that +.Nx +uses its own implementation of curses +that is not GNU ncurses, +unlike +.Fx . +. +.It Fl ledit +This is a BSD line editing library, +similar to GNU readline. +It supports right-aligned prompts, +which I prefer for variable-length +information in shells. +. +.It Fl lkcgi +A CGI and FastCGI library +for web applications in C. +Don't worry, +it isolates HTTP parsing and input validation +from application logic +in sandboxed processes. +I think it's an excellent example +of how to design an API for C. +I used it to implement the +.Lk https://ascii.town/explore.html "torus web viewer" . +. +.It Fl lsqlite3 +An embedded relational database engine. +It's amazing what you can do with this, +and it's super easy to use! +My one gripe with it is that the library and SQL documentation +are not available as +.Xr man 1 +pages. +I'm currently working on a project using SQLite, +but it hasn't gotten very far yet. +. +.It Fl ltls +This is a new library in LibreSSL +which provides a much simpler interface for TLS sockets +compared to +.Fl lssl . +It's much more like what you'd expect +from other TLS socket wrappers, +with calls like +.Xr tls_connect 3 , +.Xr tls_read 3 +and +.Xr tls_write 3 . +I've used this for IRC clients, bouncers and bots. +. +.It Fl lz +An implementation of the DEFLATE compression algorithm +and gzip format. +It's all documented in comments in +.In zlib.h , +which isn't bad, +but for my own use I copied the docs into +.Lk https://code.causal.agency/june/zlib-man-pages "manual pages" . +I've used this for decoding and encoding PNG images. +.El +. +.Sh AUTHORS +.An June Bug Aq Mt june@causal.agency diff --git a/www/text.causal.agency/007-cgit-setup.7 b/www/text.causal.agency/007-cgit-setup.7 new file mode 100644 index 00000000..44fb436a --- /dev/null +++ b/www/text.causal.agency/007-cgit-setup.7 @@ -0,0 +1,271 @@ +.Dd December 15, 2019 +.Dt CGIT-SETUP 7 +.Os "Causal Agency" +. +.Sh NAME +.Nm cgit setup +.Nd configuration notes +. +.Sh DESCRIPTION +I just set up cgit on +.Lk https://git.causal.agency +to replace an instance of gitea. +After 30 days of uptime, +gitea had accumulated over 11 hours of CPU time +and was using hundreds of megabytes of memory. +cgit is much more lightweight +and much more in line with my aesthetic. +I'm documenting how I set it up here +mostly to remind myself in the future. +. +.Ss slowcgi +cgit is CGI software, +but +.Xr nginx 8 +only supports FastCGI. +I used +.Xr slowcgi 8 +as a compatibility layer +by adding the following to +.Pa /etc/rc.conf : +.Bd -literal -offset indent +slowcgi_enable="YES" +slowcgi_flags="-p / -s /var/run/slowcgi.sock" +.Ed +. +.Ss nginx +I added the following in a new +.Cm server +block to +.Pa /usr/local/etc/nginx/nginx.conf : +.Bd -literal -offset indent +root /usr/local/www/cgit; +location / { + try_files $uri @cgit; +} +location @cgit { + fastcgi_pass unix:/var/run/slowcgi.sock; + fastcgi_param SCRIPT_FILENAME $document_root/cgit.cgi; + fastcgi_param SCRIPT_NAME /; + fastcgi_param PATH_INFO $uri; + fastcgi_param QUERY_STRING $query_string; + fastcgi_param REQUEST_METHOD $request_method; + fastcgi_param CONTENT_TYPE $content_type; + fastcgi_param CONTENT_LENGTH $content_length; + fastcgi_param HTTPS $https if_not_empty; + fastcgi_param SERVER_PORT $server_port; + fastcgi_param SERVER_NAME $server_name; +} +.Ed +. +.Pp +The +.Cm try_files +directive causes +.Xr nginx 8 +to first try to serve static files from +.Pa /usr/local/www/cgit +before passing anything else on to FastCGI. +. +.Pp +The +.Va SCRIPT_FILENAME +parameter tells +.Xr slowcgi 8 +the path of the CGI binary to run. +Setting +.Va SCRIPT_NAME +to +.Pa / +tells cgit its root URL +and avoids it using query strings for everything. +. +.Ss cgit +cgit doesn't provide any configuration to start from, +so you have to just read +.Xr cgitrc 5 . +I added the following to +.Pa /usr/local/etc/cgitrc : +.Bd -literal -offset indent +cache-size=1024 +clone-url=https://$HTTP_HOST/$CGIT_REPO_URL +snapshots=tar.gz zip +remove-suffix=1 +enable-git-config=1 +scan-path=/home/june/pub +.Ed +. +.Pp +The +.Cm cache-size +option enables caching, +which by default is stored in +.Pa /var/cache/cgit , +so I made sure that directory exists +and is writable by the +.Sy www +user. +The +.Cm clone-url +option sets the clone URL to advertise. +cgit will automatically serve git over HTTP. +The +.Cm snapshots +option makes tarballs available for tags and commits. +. +.Pp +The +.Cm scan-path +option causes cgit to scan the given path +for git repositories. +I'm putting mine in +.Pa ~/pub . +The +.Cm remove-suffix +option causes cgit to remove the +.Pa .git +suffix from the URLs it uses +for the repositories it finds, +so that +.Pa ~/pub/pounce.git +is served at +.Pa /pounce . +The +.Cm enable-git-config +option allows controlling some cgit options +from the +.Xr git-config 1 +of each repository. +See +.Sx git +below. +. +.Pp +I also set up a filter to render +.Xr mdoc 7 +files +and do syntax highlighting +by adding the following to +.Pa cgitrc : +.Bd -literal -offset indent +readme=:README.7 +readme=:README +about-filter=/usr/local/libexec/cgit-filter +source-filter=/usr/local/libexec/cgit-filter +.Ed +. +.Pp +The +.Cm readme +options tell cgit which files to look for +to render the +.Dq about +page. +The colon prefix causes it to look for them +in the git tree. +The +.Pa /usr/local/libexec/cgit-filter +script contains the following: +.Bd -literal -offset indent +#!/bin/sh +case "$1" in + (*.[1-9]) + /usr/bin/mandoc -T utf8 | /usr/local/libexec/ttpre + ;; + (*) + exec /usr/local/libexec/hi -t -n "$1" -f html -o anchor + ;; +esac +.Ed +. +.Pp +Filter scripts are run with the filename as their first argument +and the contents of the file on standard input. +The +.Xr ttpre 1 +command is my own utility to convert +.Xr man 1 +output to HTML. +The +.Xr hi 1 +command is my own +.Lk https://causal.agency/bin/hi.html "syntax highlighter" . +. +.Ss git +I create my repositories in +.Pa ~/pub +with +.Ql git init --bare +and use +.Pa git.causal.agency:pub/example.git +locally as the remote. +Descriptions are set by editing the +.Pa description +file in each repository. +The section and homepage can be set with +.Xr git-config 1 +through the keys +.Cm cgit.section +and +.Cm cgit.homepage , +respectively, +thanks to the +.Cm enable-git-config +option above. +. +.Ss Redirects +I added the following to the +.Cm server +block that used to serve gitea in +.Pa nginx.conf : +.Bd -literal -offset indent +location ~* /june/([^.]+)[.]git(.*) { + return 301 https://git.causal.agency/$1$2?$query_string; +} +location ~* /june/([^/]+) { + return 301 https://git.causal.agency/$1; +} +location / { + return 301 https://git.causal.agency; +} +.Ed +. +.Pp +This redirects any links to my gitea repos +to the corresponding repo in cgit. +The first +.Sy location +block also redirects gitea HTTP clone URLs to cgit +so that +.Xr git-pull 1 +continues to work on existing clones. +. +.Ss Update: fast HTTPS clones +Someone pointed out that cloning my repos +over HTTPS was incredibly slow, +and this is because cgit only implements the +.Dq dumb +HTTP git transport. +To speed up cloning, +I send the URLs used by the +.Dq smart +HTTP transport to +.Xr git-http-backend 1 +instead: +.Bd -literal -offset indent +location ~ /.+/(info/refs|git-upload-pack) { + fastcgi_pass unix:/var/run/slowcgi.sock; + fastcgi_param SCRIPT_NAME /usr/local/libexec/git-core/git-http-backend; + fastcgi_param GIT_HTTP_EXPORT_ALL 1; + fastcgi_param GIT_PROJECT_ROOT /home/june/pub; + include fastcgi_params; +} +.Ed +. +.Pp +I factored out the FastCGI parameters +I'm using with cgit +to be included here as well. +. +.Sh AUTHORS +.An June Bug Aq Mt june@causal.agency diff --git a/www/text.causal.agency/008-how-irc.7 b/www/text.causal.agency/008-how-irc.7 new file mode 100644 index 00000000..aba1bbf9 --- /dev/null +++ b/www/text.causal.agency/008-how-irc.7 @@ -0,0 +1,193 @@ +.Dd March 8, 2020 +.Dt HOW-IRC 7 +.Os "Causal Agency" +. +.Sh NAME +.Nm How I Relay Chat +.Nd in code +. +.Sh DESCRIPTION +I've been writing a lot of IRC software lately +.Pq Sx SEE ALSO , +and developed some nice code patterns +that I've been reusing. +Here they are. +. +.Ss Parsing +I use fixed size buffers almost everywhere, +so it's necessary to know IRC's size limits. +A traditional IRC message is a maximum of 512 bytes, +but the IRCv3 message-tags spec adds +(unreasonably, in my opinion) +8191 bytes for tags. +IRC messages also have a maximum of 15 command parameters. +.Bd -literal -offset indent +enum { MessageCap = 8191 + 512 }; +enum { ParamCap = 15 }; +.Ed +. +.Pp +If I'm using tags, +I'll use X macros +to declare the set I care about. +X macros are a way of maintaining parallel arrays, +or in this case an enum and an array. +.Bd -literal -offset indent +#define ENUM_TAG \e + X("msgid", TagMsgid) \e + X("time", TagTime) + +enum Tag { +#define X(name, id) id, + ENUM_TAG +#undef X + TagCap, +}; + +static const char *TagNames[TagCap] = { +#define X(name, id) [id] = name, + ENUM_TAG +#undef X +}; +.Ed +. +.Pp +The TagNames array is used by the parsing function +to assign tag values into the message structure, +which looks like this: +.Bd -literal -offset indent +struct Message { + char *tags[TagCap]; + char *nick; + char *user; + char *host; + char *cmd; + char *params[ParamCap]; +}; +.Ed +. +.Pp +I'm a fan of using +.Xr strsep 3 +for simple parsing. +Although it modifies its input +(replacing delimiters with NUL terminators), +since the raw message is in a static buffer, +it is ideal for so-called zero-copy parsing. +I'm not going to include the whole parsing function here, +but I will at least include the part that many get wrong, +which is dealing with the colon-prefixed trailing parameter: +.Bd -literal -offset indent +msg.cmd = strsep(&line, " "); +for (int i = 0; line && i < ParamCap; ++i) { + if (line[0] == ':') { + msg.params[i] = &line[1]; + break; + } + msg.params[i] = strsep(&line, " "); +} +.Ed +. +.Ss Handling +To handle IRC commands and replies +I add handler functions to a big array. +I usually have some form of helper as well +to check the number of expected parameters. +.Bd -literal -offset indent +typedef void HandlerFn(struct Message *msg); + +static const struct Handler { + const char *cmd; + HandlerFn *fn; +} Handlers[] = { + { "001", handleReplyWelcome }, + { "PING", handlePing }, + { "PRIVMSG", handlePrivmsg }, +}; +.Ed +. +.Pp +Since I keep these arrays sorted anyway, +I started using the standard +.Xr bsearch 3 +function, +but a basic for loop probably works just as well. +I do wish I could compile-time assert +that the array really is sorted, though. +.Bd -literal -offset indent +static int compar(const void *cmd, const void *_handler) { + const struct Handler *handler = _handler; + return strcmp(cmd, handler->cmd); +} + +void handle(struct Message msg) { + if (!msg.cmd) return; + const struct Handler *handler = bsearch( + msg.cmd, + Handlers, ARRAY_LEN(Handlers), + sizeof(*handler), compar + ); + if (handler) handler->fn(&msg); +} +.Ed +. +.Ss Capabilities +For IRCv3 capabilties +I use X macros again, +this time with another handy macro +for declaring bit flag enums. +.Bd -literal -offset indent +#define BIT(x) x##Bit, x = 1 << x##Bit, x##Bit_ = x##Bit + +#define ENUM_CAP \e + X("message-tags", CapMessageTags) \e + X("sasl", CapSASL) \e + X("server-time", CapServerTime) + +enum Cap { +#define X(name, id) BIT(id), + ENUM_CAP +#undef X +}; + +static const char *CapNames[] = { +#define X(name, id) [id##Bit] = name, + ENUM_CAP +#undef X +}; +.Ed +. +.Pp +The +.Fn BIT +macro declares, for example, +.Dv CapSASL +as the bit flag and +.Dv CapSASLBit +as the corresponding index. +The +.Vt "enum Cap" +is used as a set, +for example checking if SASL is enabled with +.Ql caps & CapSASL . +. +.Pp +These patterns are serving my IRC software well, +and my IRC projects are serving me well. +It is immensely satisfying +to be (near) constantly using software +that I wrote myself and am happy with, +regardless of how niche it may be. +. +.Sh SEE ALSO +.Bl -item -compact +.It +.Lk https://git.causal.agency/pounce/about "IRC bouncer" +.It +.Lk https://git.causal.agency/litterbox/about "IRC logger" +.It +.Lk https://git.causal.agency/catgirl/about "IRC client" +.El +. +.Sh AUTHORS +.An June Bug Aq Mt june@causal.agency diff --git a/www/text.causal.agency/009-casual-update.7 b/www/text.causal.agency/009-casual-update.7 new file mode 100644 index 00000000..0548436a --- /dev/null +++ b/www/text.causal.agency/009-casual-update.7 @@ -0,0 +1,127 @@ +.Dd May 6, 2020 +.Dt CASUAL-UPDATE 7 +.Os "Causal Agency" +. +.Sh NAME +.Nm casual update +.Nd software developments +. +.Sh DESCRIPTION +I've been figuring out more of IMAP +and Internet Messages in general +while working on a new project +so I've revisited some older ones. +I've copied my somewhat more proper +IMAP parsing code into them, +so they should be more robust. +. +.Pp +.Xr imbox 1 +is my tool to export messages +in mboxrd format directly from IMAP. +It's mostly for applying patches sent by email +without having any kind of local mail setup. +For that, +it includes the +.Xr git-fetch-email 1 +wrapper which works very similarly to +.Xr git-send-email 1 . +I learned by reading the source of +.Xr git-subtree 1 +that +.Xr git-rev-parse 1 +can be used by shell scripts +to parse long options, +so I added those. +I also added the +.Fl Fl apply +flag to automatically pipe to +.Xr git-am 1 +with the right flags for mboxrd. +. +.Pp +.Xr notemap 1 +is a tool for mirroring text files +to an IMAP Notes mailbox, +which is used by FastMail's web UI +and the macOS/iOS Notes app. +Its original parsing code +was particularly ad-hoc. +Since I've now learned +how UTF-8 headers are encoded, +I updated it to properly encode +the file name in the Subject line. +. +.Pp +I also got distracted by +a conversation about UNIX-domain sockets +where I was comparing the macOS and FreeBSD +.Xr unix 4 +pages and the Linux +.Xr unix 7 +page. +This lead me to make +.Xr exman 1 , +a tool to locally install and read +manual pages for Linux, POSIX, +.Fx , +.Nx +and +.Ox . +I've already gotten quite a bit of use out of it. +. +.Pp +In yet another IRC distraction, +I was talking about some further plans for my IRC software, +and realized it might be time to write +my future projects list down. +I opened a +.Pa .plan +file, +immediately wondered how anyone can write plain text, +then switched to a +.Pa plan.7 +file. +There's nothing I won't use +.Xr mdoc 7 +for. +After a little setup, +I can now be fingered, +and make jokes about this silly little protocol +from the days of old. +.Xr finger 1 Ap s +default output fills me with joy: +.Bd -unfilled -offset indent +No Mail. +No Plan. +.Ed +. +.Pp +And speaking of IRC and plans, +I've been meaning to tag +.Xr catgirl 1 +version 1.0 for a while now. +I've been using it as my main client +and my commits to it have really slowed down. +When I do tag it, +I'm planning on writing another post +about my whole +.Dq suite +of IRC software +and how the parts work together. +Watch this space. +. +.Sh SEE ALSO +.Bl -item -compact +.It +.Lk https://git.causal.agency/imbox "imbox" +.It +.Lk https://git.causal.agency/notemap "notemap" +.It +.Lk https://git.causal.agency/exman "exman" +.It +.Lk https://git.causal.agency/catgirl "catgirl" +.El +. +.Sh AUTHORS +.An June Bug Aq Mt june@causal.agency diff --git a/www/text.causal.agency/010-irc-suite.7 b/www/text.causal.agency/010-irc-suite.7 new file mode 100644 index 00000000..515a30ab --- /dev/null +++ b/www/text.causal.agency/010-irc-suite.7 @@ -0,0 +1,409 @@ +.Dd June 19, 2020 +.Dt IRC-SUITE 7 +.Os "Causal Agency" +. +.Sh NAME +.Nm IRC suite +.Nd my own IRC software +. +.Sh DESCRIPTION +Over the past months +.Po +eight of them, according to +.Xr git-log 1 +.Pc +I developed a new +.Dq suite +of IRC software +that I now use full-time, +consisting of a bouncer, +a new logging and search solution, +and a terminal client. +These new programs share some characteristics: +they are all TLS-only +and use the libtls API from LibreSSL, +they can all be entirely configured from the command line +or with equivalent configuration files, +they are all designed as +a one process to one IRC connection mapping, +and they all take advantage of IRCv3 features. +. +.Pp +For context, +I was previously running +the znc IRC bouncer +and using the Textual IRC client +with its plain text logs. +I also continue to use +the Palaver IRC client for iOS. +. +.Ss Background +A bouncer is a piece of server software +that stays connected to IRC at all times +and acts as a relay +between your client and the IRC server. +When the client is disconnected, +the bouncer buffers incoming messages +to send to the client when it reconnects. +. +.Pp +Aside from this, +bouncers have another advantage: +client multiplexing. +Several clients, +for instance on different computers +or a phone, +should be able to connect to the same bouncer, +and send and receive messages under the same nick. +Unfortunately, +znc does not handle this use-case well at all. +Out of the box it offers two options: +either any client connection totally clears the buffer, +causing other clients to miss chat history; +or the buffer is never cleared, +causing every client connection +to be repeatedly spammed with redundant history. +There is also a znc wiki page +that suggests one way to solve this issue +is to connect znc to itself multiple times over. +Yikes. +. +.Ss pounce +My dissatisfaction with +connecting multiple clients to znc +directly motivated me to start working +on a new multi-client-focused IRC bouncer. +The result is +.Xr pounce 1 , +based on a rather straightforward +single-producer (the IRC server) +multiple-consumer (each IRC client) +ring buffer. +Each client has its own +independent position in the buffer +so can properly be brought up to date +whenever it connects. +. +.Pp +Additionally, +by assuming support for the IRCv3 +.Sy server-time +extension, +all IRC events can be accurately +relayed to clients at any time, +and the internals of +.Xr pounce 1 +can be kept very simple. +In fact, +it completely avoids parsing most IRC messages, +simply pushing them into the buffer +with an associated timestamp. +. +.Pp +The usernames sent by clients during registration +are used as opaque identifiers for buffer consumers. +This was chosen since most clients +can be configured to send an arbitrary username, +and those that don't often default +to the name of the client itself, +making it an appropriate identifier. +. +.Pp +Later, +I added a way for clients +to be informed of their own buffer positions +using a vendor-specific IRCv3 capability. +This means a client +can save the position +of the last message it actually received, +and request to set its position +when it reconnects, +ensuring no messages are lost +to network issues +or software crashes. +. +.Ss calico +Due to the simple design of mapping +one process to one IRC (server) connection, +it is necessary to run several instances of +.Xr pounce 1 . +Initially I simply used different ports for each, +but as I connected to more networks +and even ran some instances for friends, +it became less feasible. +. +.Pp +The solution I came up with +was to dispatch incoming connections +using Server Name Indication, or SNI. +This way, +multiple domains pointing to the same host +could be used with only one port +to connect to different instances of +.Xr pounce 1 . +For example, +I use a +.Li *.irc.causal.agency +wildcard DNS entry +and a subdomain for each IRC network, +all on port 6697. +. +.Pp +The +.Xr calico 1 +daemon included with pounce +accomplishes this dispatch +using the +.Dv MSG_PEEK +flag of +.Xr recvmsg(2) +on incoming connections. +Since SNI is immediately sent by TLS clients +as part of the ClientHello message in clear-text, +it can be processed +without doing any actual TLS. +The connection itself is then +sent to the corresponding +.Xr pounce 1 +instance +over UNIX-domain socket, +which handles TLS as normal. +This means that +.Xr calico 1 +and +.Xr pounce 1 +operate entirely independently of each other. +. +.Ss litterbox +Based on the multiple-consumer ring buffer design, +I realized it would be easy +to implement additional functionality +as independent purpose-built clients +which connect to +.Xr pounce 1 +alongside regular clients. +This could allow dedicated OTR or DCC software +to operate in parallel with a basic client, +or for more passive software +to provide notifications +or dedicated logging. +. +.Pp +For the latter, +I wanted to do better than +plain text log files. +.Xr grep 1 +over files works fine, +but search could be faster and smarter, +and the text format is +more lossy and less structured +than I'd like it to be. +Conveniently, +SQLite provides an extension +(actually two) +for full-text search. +. +.Pp +The litterbox project +is my dedicated logging solution +using SQLite FTS5. +It consists of three tools: +the +.Xr litterbox 1 +daemon itself which connects to pounce +and logs messages to SQLite, +the +.Xr scoop 1 +command line query tool, +and the +.Xr unscoop 1 +plain text import tool. +The +.Xr scoop 1 +tool constructs SQL queries +and formats the results for viewing, +with coloured nicks +and piped to a pager +by default. +. +.Pp +The +.Xr litterbox 1 +daemon +can also provide a simple +.Dq online +.Pq over IRC +search query interface +to other connected clients. +The simplest way to allow different +.Xr pounce 1 +clients to talk to each other +was to route private messages to self +internally without sending them to the IRC server. +So from any client +I can simply message myself +a full-text search query +and +.Xr litterbox 1 +responds with the results. +. +.Pp +Along with routing self-messages, +.Xr pounce 1 +also provides a vendor-specific IRCv3 capability +for passive clients such as +.Xr litterbox 1 +to indicate that they should not influence +the automatic away status, +which is normally only set +when no clients are connected. +. +.Pp +An advantage of this architecture +of dedicated clients +rather than bouncer modules +is that they need not run +on the same host. +I run my bouncers on a VPS, +but I'd rather not store my private logs there, +so +.Xr litterbox 1 +runs instead on a Raspberry Pi +in my apartment. +Also, +since it is essentially +just a regular IRC bot, +it could be used independently +for keeping public logs for a channel. +. +.Ss catgirl +There's not really that much to say +about the client, +.Xr catgirl 1 . +Of the three projects +it contains the most code +but is also the least interesting, +in my opinion. +It just does what I want a client to do, +and gets the details right. +. +.Pp +Tab complete is ordered by most recently seen or used, +and completing several nicks +inserts commas between them +as well as the colon following the final nick. +In the input line, +the prompt is updated +to reflect whether the input +will be interpreted as a command or as a message. +Messages are automatically scanned for URLs, +which can be opened or copied with commands +specifying the nick or a substring of the URL. +. +.Pp +Scrolling in a window creates a split view, +keeping the latest messages visible. +Nick colours are based instead on usernames, +keeping them more stable across renames, +and mentions in messages are coloured +to make the conversation easier to follow. +The visibility of ignored messages +can be toggled at any time. +Channels can be muted +so their activity is hidden +from the status line +unless you are pinged. +. +.Pp +.Xr catgirl 1 +is configured entirely on the command line +or in equivalent simple configuration files. +There's no dynamic manipulation of state +using complex +.Ql / +commands like in some other clients. +. +.Pp +The major caveat is that +.Xr catgirl 1 +connects to only one network at a time. +This keeps the configuration, the interface +and the code much simpler. +.Xr tmux 1 , +.Xr screen 1 +or a tabbed terminal emulator +are good options to run several instances. +. +.Pp +If you're interested in giving +.Xr catgirl 1 +a quick (and necessarily limited) try, +you can +.Li ssh chat@ascii.town . +. +.Ss Future +I think I'm done with IRC software for now. +As mentioned above, +there are a few more pieces +that could fit in to this setup, +but I don't really want or need them right now. +One thing I definitely want to try +at some point +is adding a litterbox component +to index the contents of URLs +to make finding previously shared links easier. +. +.Pp +If you try any of this software +and have feedback, +let me know in +.Li #ascii.town +on tilde.chat +or by email. +And of course, +patches are always welcome. +. +.Ss Update: scooper +Somehow I had the motivation +to create a web interface for litterbox: +.Xr scooper 1 . +It can be used either as CGI +or as a FastCGI worker, +and I used the excellent +.Xr kcgi 3 +library for it. +. +.Pp +The main advantage of this interface +is that you can click on a search result +to be brought to its context in the log viewer. +I also added an option to +.Xr litterbox 1 +to provide a corresponding scooper link +in response to its query interface. +. +.Pp +A small demo of scooper is hosted at +.Aq Lk "https://causal.agency/scooper/" . +It publicly logs the +.Li #litterbox +channel on tilde.chat. +. +.Sh SEE ALSO +.Bl -item -compact +.It +.Lk "https://git.causal.agency/pounce" pounce +.It +.Lk "https://git.causal.agency/litterbox" litterbox +.It +.Lk "https://git.causal.agency/catgirl" catgirl +.It +.Lk "https://www.sqlite.org/fts5.html" "SQLite FTS5 Extension" +.It +.Lk "https://git.causal.agency/scooper" scooper +.It +.Lk "https://kristaps.bsd.lv/kcgi/" kcgi +.El +. +.Sh AUTHORS +.An June Bug Aq Mt june@causal.agency diff --git a/www/text.causal.agency/011-libretls.7 b/www/text.causal.agency/011-libretls.7 new file mode 100644 index 00000000..c29c325e --- /dev/null +++ b/www/text.causal.agency/011-libretls.7 @@ -0,0 +1,220 @@ +.Dd August 9, 2020 +.Dt LIBRETLS 7 +.Os "Causal Agency" +. +.Sh NAME +.Nm LibreTLS +.Nd libtls for OpenSSL +. +.Sh DESCRIPTION +This is a sort of announcement post about LibreTLS, +my port of libtls from LibreSSL to OpenSSL. +If you've wanted to try any of my software +but have been unable to because of LibreSSL, +LibreTLS is an option that will likely work for you. +I'm including instructions +for building it and my IRC software +on Debian as an example, +since manually installing libraries +is less straightforward than it could be. +. +.Pp +libtls is +.Do +a new TLS library, +designed to make it easier to write foolproof applications +.Dc . +It was developed as part of LibreSSL, +.Ox Ap s +fork of OpenSSL, +and is implemented against their version of libssl. +It provides a nice high-level API +for TLS sockets, +with functions like +.Xr tls_connect 3 , +.Xr tls_read 3 +and +.Xr tls_write 3 . +This is a vast improvement over libssl's +confusing mess of an API! +Its relative obscurity is a real shame +for C programmers. +. +.Pp +An obvious cause of its obscurity +is that it is tied to LibreSSL. +Although LibreSSL is available +for platforms other than +.Ox , +it conflicts with OpenSSL +so is difficult to install alongside it +and is often not packaged at all. +Additionally, +even if a user manually installs LibreSSL, +libtls is likely not to work on some distros +due to its hardcoded CA bundle file path. +. +.Pp +Since libtls is implemented against libssl, +which originates in OpenSSL, +it should be possible to use libtls with it. +This is what I set out to do in LibreTLS. +I started by importing the sources +from a LibreSSL-portable release, +then worked on porting the portions +that were incompatible with OpenSSL. +. +.Pp +The simpler changes just involved +replacing internal struct field accesses +with public APIs. +libtls accesses libssl internals +using a hack to get the header files +to declare private struct fields, +and for basically no reason. +The bigger changes involved +reimplementing some functions +which only exist in LibreSSL, +but these were still quite small. +I also imported the necessary compatibility functions +from LibreSSL's libcrypto +and adapated the autotools build files +to produce only a libtls +which depends on OpenSSL. +. +.Pp +Along the way +I decided to make one small behavioural change +in order for LibreTLS to be more likely +to work for everyone. +I removed the hardcoded CA file path +and changed the default configuration +to use OpenSSL's default CA paths, +which include a CA directory. +This seems to be the preferred CA source +on systems such as Debian, +where the default CA file path doesn't exist. +. +.Pp +I think the reason LibreSSL +wants to avoid using a CA directory +is so that it can fully load the CA file +once before being sandboxed. +However, +using OpenSSL's default configuration, +the CA file will still be loaded immediately +if it exists. +If it doesn't exist, +sandboxed applications +will fail when trying to +load certificates from the directory, +but unsandboxed applications +will work just fine. +Since LibreSSL's libtls +would fail either way, +I think the new behaviour +is an improvement. +. +.Pp +Another advantage of separating libtls from LibreSSL +is that it is unencumbered by OpenSSL's +awkward double-license, +both of which are incompatible with the GPL. +libtls is all new ISC-licensed code, +and future versions of OpenSSL (3.0) +will be released under the Apache 2.0 license, +which is compatible with GPLv3. +In the future, +GPL software will be able to link with +libtls and OpenSSL without additional permissions. +. +.Pp +It's also worth noting that LibreSSL +likely will not be able to import any code +from future versions of OpenSSL, +since Apache 2.0 is on +.Ox Ap s +license shitlist. +LLVM is also slowly changing their license +to Apache 2.0, +so it'll be interesting to see what +.Ox +does. +. +.Ss Installing Manually +To install LibreTLS on Debian, +for example, +fetch a release tarball from +.Lk https://causal.agency/libretls/ +and install the build dependencies: +.Bd -literal -offset indent +sudo apt-get install build-essential libssl-dev pkgconf +.Ed +. +.Pp +.Xr pkgconf 1 +isn't a dependency of LibreTLS itself, +but it's how my software +configures its build +for a dependency on libtls. +The usual build steps +will install the library: +.Bd -literal -offset indent +\&./configure +make all +sudo make install +.Ed +. +.Pp +The library will be installed in +.Pa /usr/local/lib +by default, +and you need to make sure +the dynamic linker +will be able to find it there. +On Debian, +.Pa /usr/local/lib +already appears in +.Pa /etc/ld.so.conf.d/libc.conf , +but on other systems +you'll probably need to add it to either +.Pa /etc/ld.so.conf +or a new file such as +.Pa /etc/ld.so.conf.d/local.conf . +Once the library is installed +and the path is configured, +the linker cache needs to be refreshed: +.Bd -literal -offset indent +sudo ldconfig +.Ed +. +.Pp +You'll probably also need to set +.Ev PKG_CONFIG_PATH +for the configure scripts +of my software: +.Bd -literal -offset indent +PKG_CONFIG_PATH=/usr/local/lib/pkgconfig ./configure +.Ed +. +.Pp +On +.Fx , +LibreTLS and some of my IRC software +can be installed from my own +.Lk https://git.causal.agency/ports/ "ports tree" +. +.Sh SEE ALSO +.Bl -item -compact +.It +.Lk https://git.causal.agency/libretls/about LibreTLS +.It +.Lk https://man.openbsd.org/tls_init.3 "libtls API documentation" +.El +. +.Pp +Another alternative libtls implementation, +.Lk https://sr.ht/~mcf/libtls-bearssl/ "libtls-bearssl" +. +.Sh AUTHORS +.An June Bug Aq Mt june@causal.agency diff --git a/www/text.causal.agency/012-inability.7 b/www/text.causal.agency/012-inability.7 new file mode 100644 index 00000000..d352143b --- /dev/null +++ b/www/text.causal.agency/012-inability.7 @@ -0,0 +1,39 @@ +.Dd November 26, 2020 +.Dt INABILITY 7 +.Os "Causal Agency" +. +.Sh NAME +.Nm Inability +.Nd losing the ability to create +. +.Sh DESCRIPTION +For often weeks, sometimes months at a time, +I lose the ability to write new code. +I can still make fixes +and little cleanups +in my existing projects, +but if I try to work on something new, +nothing happens. +I can't get anything done. +. +.Pp +I think it's now been +over 3 months +since I've created anything. +I don't know what to do about it. +In the past I've eventually +regained the ability to code, +but it's unclear to me how or why. +I also don't know what +I should be doing instead. +Writing code is the only hobby +I've ever really developed, +so without it I basically +don't do anything. +. +.Pp +Does this happen to anyone else? +How do you cope? +. +.Sh AUTHORS +.Mt june@causal.agency diff --git a/www/text.causal.agency/013-hot-tips.7 b/www/text.causal.agency/013-hot-tips.7 new file mode 100644 index 00000000..63b6e353 --- /dev/null +++ b/www/text.causal.agency/013-hot-tips.7 @@ -0,0 +1,156 @@ +.Dd December 2, 2020 +.Dt HOT-TIPS 7 +.Os "Causal Agency" +. +.Sh NAME +.Nm hot tips +.Nd from my files +. +.Sh DESCRIPTION +This is a short list of tips +from my configuration files and code +that might be useful. +. +.Ss Shell +.Bl -tag -width Ds +.It CDPATH=:~ +This is useful if you sometimes type, +for example, +.Ql cd src/bin +wanting to go to +.Pa ~/src/bin +but you aren't in +.Pa ~ . +If the path doesn't exist +in the current directory, +.Ic cd +will try it in +.Pa ~ +as well. +. +.It alias ls='LC_COLLATE=C ls' +This makes it so that +.Xr ls 1 +lists files in ASCIIbetical order, +which puts capitalized names like +.Pa README +and +.Pa Makefile +first. +. +.It git config --global commit.verbose true +Not shell but close enough. +This makes it so the entire diff is shown +below the usual summary +in the editor for a +.Xr git-commit(1) +message. +Useful for doing a quick review +of what you're committing. +.El +. +.Ss (neo)vim +.Bl -tag -width Ds +.It set inccommand=nosplit +This is the only +.Xr nvim 1 +feature I really care about +aside from the improved defaults. +This provides a live preview of what a +.Ic :s +substitution command will do. +It makes it much easier to +write complex substitutions. +. +.It nmap <leader>s vip:sort<CR> +This mapping sorts the lines of a paragraph, +or block of text separated by blank lines. +I use this a lot to sort +#include directives. +. +.It nmap <leader>S $vi{:sort<CR> +Similar to the last mapping, +this one sorts lines inside braces. +I use this to sort +switch statement cases +or array initializers. +. +.It nmap <leader>a m':0/^#include <<CR>:nohlsearch<CR>O#include < +I use this mapping to add new +#include directives, +usually followed by +.Ic <leader>s +and +.Ic '' +to sort them +and return to where I was. +. +.It nmap <leader>d :0delete<CR>:0read !date +'.Dd \e%B \e%e, \e%Y'<CR> +I use this to replace the first line of +.Xr mdoc 7 +files with the current date. +.El +. +.Ss C +.Bl -tag -width Ds +.It #define Q(...) #__VA_ARGS__ +This is what I've started using +to quote things like SQL statements +or HTML fragments in C. +Anything that happens to be valid C tokens, +which is most code, +can be quoted this way. +Macros are not expanded +inside the quoted part. +You can embed (matched) quotes +without having to escape them. +Whitespace gets collapsed, +so you can write nicely formatted multi-line SQL +that doesn't mess up your debug logging, +for example. +.Bd -literal -offset indent +const char *sql = Q( + INSERT OR IGNORE INTO names (nick, user, host) + VALUES (:nick, :user, :host); +); +.Ed +. +.It #define BIT(x) x##Bit, x = 1 << x##Bit, x##Bit_ = x##Bit +I use this macro to declare bitflag enums. +It takes advantage of +auto-incrementing enum items +so you don't need to set the values manually. +You also get constants +for both the bit index +and the flag value +for each item. +.Bd -literal -offset indent +enum Attr { + BIT(Bold), + BIT(Reverse), + BIT(Italic), + BIT(Underline), +}; +.Ed +.Pp +For example, +defines +.Sy ItalicBit = 2 +and +.Sy Italic = 1 << 2 . +Ignore the extraneous constants. +. +.It typedef int FnType(const char *str, size_t len); +You can just typedef function types! +It annoys me more than it probably should +that everyone writes ugly +function pointer typedefs. +Just stick +.Sy typedef +on the front of a function declaration +and use +.Vt FnType * . +.El +. +.Sh AUTHORS +.Mt june@causal.agency diff --git a/www/text.causal.agency/014-using-vi.7 b/www/text.causal.agency/014-using-vi.7 new file mode 100644 index 00000000..e6a6a7a0 --- /dev/null +++ b/www/text.causal.agency/014-using-vi.7 @@ -0,0 +1,135 @@ +.Dd January 11, 2021 +.Dt USING-VI 7 +.Os "Causal Agency" +. +.Sh NAME +.Nm Using vi +.Nd simpler tools +. +.Sh DESCRIPTION +Happy new year +and hello from +.Xr vi 1 ! +I'm in the mood to post something +but not in the mood for +.Dq social +media. +This one will probably be short. +. +.Pp +Yesterday I was trying to work on sandboxing +.Xr catgirl 1 +(that's the IRC client I work on) +with +.Xr pledge 2 +and +.Xr unveil 2 +on +.Ox , +as suggested by the maintainer of its port. +I've done similar things before, +but only on server software +rather than user software. +. +.Pp +Anyway I was in +.Xr ssh 1 +to my +.Ox +VM +.Po +sadly I don't currently have any hardware to run +.Ox +on +.Pc +using my usual editor, +which is +.Xr nvim 1 . +I'm honestly not very thrilled +with what neovim is doing lately, +but the cleaned up defaults +make my configuration files happier. +. +.Pp +The real problem with +.Xr nvim 1 , +though, +is that it's laggy as hell on +.Ox . +There is significant delay +on every single keystroke, +as if I'm typing remotely to a server +on the other side of the world, +but this is on a local VM! +. +.Pp +So I did the only reasonable thing: +I typed +.Sy :qa +followed by +.Sy vi . +The difference was astonishing. +Typing and editing suddenly felt +.Em physical +again. +(I put that in italics even though I know it won't render.) +Not only was it a vast improvement over +.Xr nvim 1 +in +.Xr ssh 1 +in a VM, +it was a marked improvement over +.Xr nvim 1 +running locally and natively. +. +.Pp +Now obviously +.Xr vi 1 +doesn't have all the bells and whistles +of newer editors, +but of course the core editing model +that makes +.Xr vim 1 +and +.Xr nvim 1 +so good is there, +and in purer form, +I think. +The +.Xr vi 1 +manual page +is feasible to just sit down and read, +and learn everything there is to know about the editor. +I set up a basic configuration +and got coding. +.Bd -literal -offset indent +export EXINIT='set ai ic sm sw=4 ts=4' +.Ed +. +.Pp +After I finished my +.Xr pledge 2 +and +.Xr unveil 2 +patch, +I was so pleased with +.Xr vi 1 +that I kept on using it +yesterday and today +for other work, +and obviously to write this post. +Despite the lack of editor amenities, +its responsiveness and simplicity +are enough to make using it +.Em comfortable +and perhaps +.Em cosy . +I'm not sure I'll ever use +.Xr vi 1 +full-time, +but for now I am much less likely +to launch +.Xr nvim 1 . +. +.Sh AUTHORS +.An june Aq Mt june@causal.agency diff --git a/www/text.causal.agency/015-reusing-tags.7 b/www/text.causal.agency/015-reusing-tags.7 new file mode 100644 index 00000000..19546496 --- /dev/null +++ b/www/text.causal.agency/015-reusing-tags.7 @@ -0,0 +1,155 @@ +.Dd January 17, 2021 +.Dt REUSING-TAGS 7 +.Os "Causal Agency" +. +.Sh NAME +.Nm reusing tags +.Nd beyond ctags +. +.Sh DESCRIPTION +I've tried to start writing this post a couple times now +and I keep getting bogged down in explanations, +so I'm just going to tell you +about some cool things I did +and hope they make sense. +. +.Pp +When I wrote my first syntax highlighter, +I decided that function definitions +should have anchor links, +because line number anchor links +are entirely useless +if you expect the file to change at all. +Since the syntax highlighter +was somewhat deliberately just a big pile of regex, +I hacked in more regex to try +to identify function and type definitions. +It wasn't elegant and it didn't always work well. +It did work though, +and I found the links very useful. +. +.Pp +Recently I was thinking about +the lexer generator +.Xr lex 1 +and decided to +rewrite the syntax highlighter +using it. +Really syntax highlighting +is no different than lexical analysis. +I ran into a problem though, +trying to preserve my anchor link function, +because really that should involve +some amount of parsing. +Trying to port my regex hacks to +.Xr lex 1 +made the lexers way more complicated +and less reliable, +so I gave up on it for a while. +. +.Pp +And then, +probably in the shower, +I realized I was approaching it +completely from the wrong direction. +There's already a tool that does what I want, +and I already use it: +.Xr ctags 1 . +All I need to do is use its output +to insert anchor links +into my syntax highlighter output. +In an afternoon I wrote +.Xr htagml 1 , +which loads tag definitions for its input file, +then scans through the input for where they match. +It can either HTML-escape +the input as it goes, +or use already formatted HTML +being piped into it from a syntax highlighter. +. +.Pp +The result is three simple tools +working together to accomplish +what a more complex tool +couldn't reliably achieve. +I'm very pleased with it, +and I've updated my site and cgit +to use the new +.Xr lex 1 Ns -based +highlighter, +.Xr ctags 1 +and +.Xr htagml 1 . +I'm currently missing a lexer for +.Xr sh 1 , +but I plan to write it eventually. +I also want to write a tool +to generate tags for +.Xr make 1 , +.Xr mdoc 7 +and perhaps +.Xr sh 1 . +The cool thing about generating more kinds of tags +is that they'll not only improve +the HTML output, +they'll also be usable in my editor. +. +.Pp +Speaking of generating different kinds of tags, +I also wrote some scripts not too long ago +for reading IETF RFCs offline. +The plain text files are available to +.Xr rsync 1 , +but they're hard to navigate on their own. +By scanning the files for headings +and generating tags, +it allows jumping to sections using +.Ic :ta +or +.Ic ^] +in +.Xr vi 1 . +For +.Xr nvim 1 +I also added an +.Ic :RFC +command to open an RFC by number +and set up +.Ic ^] +to work optimally for them. +. +.Pp +I'm still using +.Xr vi 1 +for most of my editing, +by the way. +And of course +.Xr ctags 1 +was made to work with it! +Simple old tools +are really doing it for me lately. +. +.Sh SEE ALSO +.Bl -item -compact +.It +.Lk https://causal.agency/bin/htagml.html htagml +.It +.Lk https://causal.agency/bin/hilex.html hilex +.It +.Lk https://git.causal.agency/src/tree/doc/rfc rfctags +.El +. +.Sh AUTHORS +.An june Aq Mt june@causal.agency +. +.Sh ADDENDUM +.Xr catgirl 1 , +.Xr pounce 1 , +.Xr litterbox 1 +and +.Xr scooper 1 +all have new releases, +if you're using any of them. +Also, this space is now +available over gopher, +if that's your sort of thing. diff --git a/www/text.causal.agency/016-using-openbsd.7 b/www/text.causal.agency/016-using-openbsd.7 new file mode 100644 index 00000000..b843e3c3 --- /dev/null +++ b/www/text.causal.agency/016-using-openbsd.7 @@ -0,0 +1,505 @@ +.Dd February 14, 2021 +.Dt USING-OPENBSD 7 +.Os "Causal Agency" +. +.Sh NAME +.Nm Using OpenBSD +.Nd for real +. +.Sh DESCRIPTION +Hello from +.Ox ! +After wishing one too many times +that I had a real BSD +on a physical machine, +I finally got around to +just installing one on my +mid-2014 MacBook Pro. +I hadn't done it sooner +because I didn't realize +how easy it would be. +It helped that I already had a +.Dq Boot Camp +partition with a disused Windows 8 install +that I could replace. +. +.Pp +I roughly followed an old jcs gist +along with the +.Ox +Disk Setup guide. +I'm once again happy +that I bought a printer\(em +they're very useful for instructions +to install an operating system +on your only usable computer. +I set up encrypted softraid +and the operating system +installed smoothly. +. +.Pp +Next I had to install rEFInd, +since the default Mac boot manager +is really not keen on booting much. +Installing it requires using the +macOS recovery partition these days. +But there was a problem +with my new boot menu: +I was promised a picture of Puffy, +and instead I just got some abstract coloured circles! +Turns out a bunch of OS icons +got removed from rEFInd at some point, +and I had to rescue Puffy +from the git history. +. +.Pp +So I could happily boot +.Ox +by selecting Puffy, +but I had no networking. +I thought the wifi chip might be supported by +.Xr bwfm 4 , +but I got unlucky and it's a BCM4360, +which everything hates. +Based on the jcs gist, +I checked the list of hardware +supported by the +.Xr urtwn 4 +driver for a wifi dongle to order. +Just having a clear list +in the driver manual is wonderful. +I went with the Edimax EW-7811Un v2, +which I could get for around $20. +It's nice and tiny, +though it has a piercing blue LED +(destroy all blue LEDs) +which I had to cover with electrical tape. +. +.Pp +I had to do one other thing +before I could get it all working, though. +When I had checked the +.Xr urtwn 4 +hardware list, +I had been looking at +.Ox Ns -current , +but I had installed +.Ox 6.8 , +and support for the v2 hardware +I had bought was added after that release. +So I downloaded a snapshot +.Pa bsd.rd +along with the +.Xr urtwn 4 +firmware file +to a USB drive +and upgraded the system. +. +.Pp +Connecting to wifi with +.Xr ifconfig 8 +is a breeze, by the way, +and then you just write the same thing to a +.Xr hostname.if 5 +file to make it automatic. +I wanted to use +.Ox +for exactly this reason: +simple, consistent, cohesive, well-documented tools. +. +.Pp +Finally, I got to configuring. +The console is configured with +.Xr wsconsctl 8 , +and similarly you can put the commands in +.Xr wsconsctl.conf 5 +to have them run at boot. +I added +.Li display.brightness=50% +to tone down the brightness, +which is initially 100%, +and +.Li keyboard.backlight=0% +to turn off those annoying lights. +.Xr wsconsctl.conf 5 +is also where you can set +trackpad settings if you're not using +.Xr synaptics 4 . +I ended up using: +.Bd -literal -offset indent +mouse1.tp.tapping=1 +mouse1.tp.scaling=0.2 +mouse1.reverse_scrolling=1 +.Ed +.Pp +This enables tapping with several fingers +to simulate different mouse buttons, +makes the cursor move at a reasonable speed +and scrolling move in the right direction. +I also set up my usual modified QWERTY layout. +. +.Pp +For +.Xr X 7 +I had enabled +.Xr xenodm 1 , +which seems quite nice. +It automatically prompts you to add your +.Xr ssh 1 +keys to +.Xr ssh-agent 1 +when you log in. +One of the reasons I had not wanted +to set up another graphical system +is that I thought +I would have to make too many choices, +and that I would have to choose least bad options +rather than actually good options, +but +.Ox +already includes reasonable choices. +I wanted to use +.Xr cwm 1 , +so I started a basic +.Pa .xsession +file: +.Bd -literal -offset indent +\&. ~/.profile +export LC_CTYPE=en_US.UTF-8 +xset r rate 175 m 5/4 0 +xmodmap ~/.config/X/modmap +xrdb -load ~/.config/X/resources +exec cwm -c ~/.config/cwm/cwmrc +.Ed +. +.Pp +The +.Xr xset 1 +command sets keyboard repeat rate +and mouse acceleration. +I spent some time going through +.Xr cwm 1 Ap s +functions and writing up bindings +that would get me something close enough +to what I'm used to in macOS. +Most importantly, +putting everything on the 4 modifier (command key). +. +.Pp +I also added key bindings on F1 and F2 +to adjust the brightness with +.Xr xbacklight 1 , +and on F10, F11 and F12 +to adjust volume with +.Xr sndioctl 1 . +I'm not sure why the F keys +just send regular F1, F2, etc.\& +regardless of the Fn key. +I don't use F keys for anything else though, +so I'm not too concerned. +Once again, +.Xr sndioctl 1 +is such an easy straightforward tool: +.Bd -literal -offset indent +bind-key F10 "sndioctl output.mute=!" +bind-key F11 "sndioctl output.level=-0.05" +bind-key F12 "sndioctl output.level=+0.05" +.Ed +. +.Pp +For aesthetic configuration, +I added a new output to my +.Xr scheme 1 +colour scheme tool for +.Xr X 7 Ns -style +RGB and +.Xr xterm 1 +resources. +Normally I use the +.Em Go Mono +font, +but since +.Ox +already includes +.Em Luxi Mono , +which +.Em Go Mono +is based on, +I used that. +The most important configuration +to make anything readable on a high-DPI display is: +.Bd -literal -offset indent +Xft.dpi: 144 +Xft.antialias: true +Xft.hinting: false +.Ed +. +.Pp +I'm annoyed that I haven't found +where these resources are actually documented. +I would hope they'd be in +.Xr Xft 3 +or something, +but they're not. +Anyway, +turning off hinting +seems absolutely necessary +to prevent text from looking like garbage. +. +.Pp +It seems that to get a reasonably sized cursor +I need to install +.Sy xcursor-dmz . +I'd prefer if there wasn't this one +extra package that I needed +for a reasonable setup. +Tangentially, +I've never understood why +the black versions of dmz cursors +are called +.Dq aa +when it seems like that +would stand for antialiasing +or something. +.Bd -literal -offset indent +Xcursor.size: 64 +Xcursor.theme: dmz-aa +.Ed +. +.Pp +For a desktop background, +I found a cute bitmap (little picture) +of snowflakes already in the system +and used colours from my usual scheme: +.Bd -literal -offset indent +xsetroot -bitmap /usr/X11R6/include/X11/bitmaps/xsnow \e + -bg rgb:14/13/0E -fg rgb:7A/49/55 +.Ed +. +.Pp +Since I'd rather not install anything +I don't have to, +I went with the default +.Xr xterm 1 . +It seems more than adequate, honestly. +I read through its RESOURCES +section to configure it how I like. +The important settings are +.Sy XTerm*utf8 +and +.Sy XTerm*metaSendsEscape . +Since I'm used to copying and pasting on macOS, +I added equivalent +.Dq translations : +.Bd -literal -offset indent +XTerm*VT100*translations: #override \en\e + Super <Key>C: copy-selection(CLIPBOARD) \en\e + Super <Key>V: insert-selection(CLIPBOARD) +.Ed +. +.Pp +The next thing I needed +was a clock and battery indicator. +I actually had my battery die on me +while I was doing all this, +which reminded me. +.Xr xclock 1 +would be perfect, +but then I'd need something else +for battery. +There are a couple basic battery indicators +for X in ports, +but they're terribly ugly. +I wanted something as simple as +.Xr xclock 1 , +but that I could add some other text to. +Then I realized I could just use +.Xr xterm 1 +for that. +To my +.Pa xsession +I added: +.Bd -literal -offset indent +xterm -name clock -geometry 14x1-0+0 -sl 0 -e clock & +.Ed +.Pp +This places a little terminal +in the top-right corner of the screen +with no scrollback lines, +running a script called +.Pa clock . +To have +.Xr cwm 1 +treat it like a +.Dq panel +and show it on every desktop, +I added this to my +.Pa cwmrc : +.Bd -literal -offset indent +ignore clock +autogroup 0 clock,XTerm +.Ed +.Pp +The +.Pa clock +script simply uses +.Xr date 1 +and +.Xr apm 8 +to print the time and battery charge +every minute: +.Bd -literal -offset indent +tput civis +sleep=$(( 60 - $(date +'%S' | sed 's/^0//') )) +while :; do + if [ $(apm -a) -eq 1 ]; then + printf '%3s%%' "$(apm -l)" + else + test $(apm -b) -eq 2 && tput setaf 1 bold + printf '%3.3sm' "$(apm -m)" + tput sgr0 + fi + printf ' %s\r' "$(date +'%a %H:%M')" + sleep $sleep + sleep=60 +done +.Ed +.Pp +The initial setting of +.Va sleep +is to align the updates +with the minute ticking over. +I made the battery output +a bit fancier by showing +percentage while charging, +minutes left while discharging, +and highlighting in red +when the battery is +.Dq critical . +. +.Pp +Now is a good time to mention adding +.Ql apmd_flags=-A +to +.Pa /etc/rc.conf.local +to enable +.Dq automatic performance adjustment , +or not running your battery flat +as fast as possible mode. +It seems like I can get up to 3 hours +of battery life depending on the screen brightness, +but this is quite an old battery by now. +. +.Pp +The other thing I needed +was something to tone down +that awful, evil blue light from the screen. +I asked around and someone told me about +.Xr sct 1 , +originally written by tedu. +The package also includes a little +.Xr sctd 1 +script that you can add to your +.Pa .xsession +to have it automatically adjust +the colour temperature throughout the day. +My eyes are no longer being assaulted. +. +.Pp +While I was doing all this, +I of course needed to talk about it on IRC, +and it was very nice to be able to +install my own IRC client with: +.Bd -literal -offset indent +doas pkg_add catgirl +.Ed +.Pp +I don't plan to do +general Web Browsing on +.Ox , +and there is definitely +no good choice for browser, +so I just installed +.Xr imv 1 , +.Xr mpv 1 , +.Xr youtube-dl 1 +and +.Xr w3m 1 . +I wrote a script +to open images by piping +.Xr curl 1 +into +.Xr imv 1 , +videos with +.Xr mpv 1 , +and everything else with +.Xr w3m 1 +in a new +.Xr xterm 1 . +Annoyingly, +.Xr mpv 1 +seems incapable of exiting +without segfaulting. +That's quality. +. +.Pp +One thing I am still missing +is automatic brightness adjustment +based on ambient light +like macOS can do. +I can read the sensor with +.Xr sysctl 8 +.Cm hw.sensors.asmc0.illuminance0 , +which is measured in lux. +I tried doing something with it in a script, +but it seems tricky to map its value +to brightness adjustments +and to play nice with manual brightness changes, +so I'll just keep doing it manually for now. +. +.Pp +Update: +prx sent mail to let me know about +.Aq Lk https://github.com/jcs/xdimmer . +I should've guessed jcs had written something. +. +.Pp +And that's my current +.Ox +setup after a week of using it. +I'm quite enjoying it, +and still being pleasantly surprised +by the quality-of-life from +.Ox +tools and documentation. +For a small example, +I can jump to sections +or flag definitions in +.Xr man 1 +using +.Ic :t . +Systems without basic usability like that +should be ashamed. +. +.Pp +I would post a screenshot, +but this is +.Li text.causal.agency +;) +. +.Sh SEE ALSO +.Lk https://gist.github.com/jcs/5573685 +.Pp +My full configurations are in +.Aq Lk https://git.causal.agency/src . +. +.Sh AUTHORS +.An june Aq Mt june@causal.agency +. +.Sh BUGS +There's a red LED +inside the headphone jack +that is always on +and I have no idea how to turn off. +If anyone knows +please send me an email. diff --git a/www/text.causal.agency/017-unpasswords.7 b/www/text.causal.agency/017-unpasswords.7 new file mode 100644 index 00000000..f9643f2f --- /dev/null +++ b/www/text.causal.agency/017-unpasswords.7 @@ -0,0 +1,153 @@ +.Dd February 20, 2021 +.Dt UNPASSWORDS 7 +.Os "Causal Agency" +. +.Sh NAME +.Nm Unpasswords +.Nd password anti-management +. +.Sh DESCRIPTION +Right away I want to say +that I'm not trying to tell anyone +how to manage their online authentication. +This is just how I do it, +and I haven't seen anyone else write about it. +. +.Pp +I don't use a password manager. +It's not a type of software +I want to deal with. +For the small handful of sites +that I use regularly +and that actually matter, +I use strong passwords +(stored in my noggin) +and TOTP. +For everything else, +I simply do not know the password, +and neither does any software. +. +.Pp +I think I started doing this one time +when I had legitimately forgotten +the password to some old account. +I clicked on +.Dq forgot my password +and opened the email, +but I didn't want to +come up with a new password +I would just forget again. +Instead I set a random one +.Po +I usually use +.Ql openssl rand -base64 33 +for this +.Pc +and immediately used that to log in +while it was still in my clipboard. +Next time I wanted to log in, +I could use +.Dq forgot my password +again. +. +.Pp +Thinking about it, +I realized that any web authentication +with an email password reset flow +is only ever as strong as +the authentication for your email account. +So what is the point of having +all these passwords set on different sites? +They all answer to your email account, +and storing them in a password manager +seems to add another potential point of failure. +May as well have no other passwords at all, +or as close as possible. +.Po +Shout out to sites like Liberapay +and asciienema +which let me not set a password at all. +.Pc +. +.Pp +So I started doing that for any site +that I don't regularly log in to. +Going through the password reset flow +can be a bit slow, +but it doesn't need to be done often. +And I can do it from anywhere +I have access to my email, +which I feel is more easily reliable +than syncing password management databases. +It's quite stress-free. +. +.Pp +After doing this manually for years, +this week I finally got around to +writing some automation for it. +A while ago I had written +.Xr imbox 1 , +a tool to directly export mail +in mboxrd format from IMAP, +along with +.Xr git-fetch-email 1 , +a wrapper which offloads configuration to +.Xr git-config 1 . +It can match emails by +Subject, From, To and Cc. +This week I added a flag +to use IMAP IDLE +to wait for a matching message +if there isn't one already, +and a flag to move matching messages +(for example to Trash) +after exporting them. +. +.Pp +With those two new flags, +I started writing some shell scripts +to automate the password reset flow +using +.Xr curl 1 +to submit forms and +.Xr git-fetch-email 1 +with +.Xr sed 1 +to pull the reset tokens +from my inbox. +At the end of the script, +the random password it set +is copied to the clipboard +and the login page for the site is opened. +So now logging in is as simple +as running a command, +waiting for the login page to open, +and pasting. +. +.Pp +The script isn't sophisticated, +but I don't think it needs to be. +I've written functions +for a couple different sites already, +and they all work in mostly the same way. +Writing a new one is just a matter +of identifying the form URLs and fields +along with where the token is in the email. +I'm not going to turn this automation +into any kind of generally usable project, +because I don't want to have to +maintain functions for tonnes of different services. +If you're interested in this idea, +I encourage you to use my script as a template +and implement the functions for services you use. +. +.Sh SEE ALSO +.Bl -item -compact +.It +.Lk https://git.causal.agency/imbox +.It +.Lk https://causal.agency/bin/sup.html +.El +. +.Sh AUTHORS +.An june Aq Mt june@causal.agency diff --git a/www/text.causal.agency/018-operating-systems.7 b/www/text.causal.agency/018-operating-systems.7 new file mode 100644 index 00000000..691102e2 --- /dev/null +++ b/www/text.causal.agency/018-operating-systems.7 @@ -0,0 +1,86 @@ +.Dd February 22, 2021 +.Dt OPERATING-SYSTEMS 7 +.Os "Causal Agency" +. +.Sh NAME +.Nm Operating systems +.Nd criteria +. +.Sh DESCRIPTION +Sometimes in conversation +I use the term +.Dq real operating system +which people, +perhaps rightfully, +take as inflammatory. +But I have actually thought about +what I mean when I say +.Dq real operating system +and come up with +this list of criteria. +. +.Pp +An operating system should be... +.Bl -bullet +.It +Consistent and cohesive: +all parts of the system should have similar +usage, configuration, documentation and so on. +Parts of the system should naturally work together, +because they were designed to do so. +. +.It +Documented: +the system should include its own documentation. +A user should not have to +search some external wiki +to learn how the system works. +It should be obvious +where to find documentation +on a particular topic. +. +.It +Programmable: +the system should provide +a way to program the computer. +A computer which cannot be programmed +is not a computer at all. +Usually this takes the form +of a C compiler +and the tools that go with it. +In earlier times, +it might have been +a BASIC interpreter. +. +.It +Examinable and modifiable: +the full source tree +for the system should be included, +or easily obtainable +through official means. +A user should have no trouble +finding the corresponding source +for a part of the system. +Together with the previous point, +the source tree should be +compiled by the included toolchain, +allowing local modification. +.El +. +.Pp +Some things that may be parts +of real operating systems, +but are not themselves operating systems: +a kernel, +a package manager, +a collection of packages. +. +.Pp +I will leave it as an +.Dq exercise for the reader +to guess which operating systems +meet these criteria +and which don't. +. +.Sh AUTHORS +.An june Aq Mt june@causal.agency diff --git a/www/text.causal.agency/019-mailing-list.7 b/www/text.causal.agency/019-mailing-list.7 new file mode 100644 index 00000000..b3490a94 --- /dev/null +++ b/www/text.causal.agency/019-mailing-list.7 @@ -0,0 +1,286 @@ +.Dd March 4, 2021 +.Dt MAILING-LIST 7 +.Os "Causal Agency" +. +.Sh NAME +.Nm Mailing List +.Nd a small-scale approach +. +.Sh DESCRIPTION +When I initially published +some software I expected +other people to use, +I just asked that patches +be mailed directly to me, +but I figured that +if more people were interested, +it would be better +to have a mailing list. +Unfortunately +email software, +mailing list options in particular, +are quite daunting. +I wanted a light-weight option +that would require me to host +as little software as possible. +. +.Pp +My regular email is hosted by Fastmail, +and I poked around its settings +to see what I could do. +It turns out Fastmail lets you +configure address aliases to +.Dq also send to all contacts in +a contacts group. +That's a mailing list! +I created a group called +.Dq List +and an alias called +.Mt list@causal.agency +configured to deliver to that group. +So it's really just an alias +for my regular address +that happens to also +deliver to another group of people. +. +.Pp +It's easier to just configure +and manage one mailing list, +so what I do is ask patches and feedback +to be sent to +.Mt list+catgirl@causal.agency , +for example. +Fastmail treats any +.Ar +suffix +the same as the base address, +but the full address can be used +by subscribers to filter mail by topic +if they wish. +. +.Pp +To subscribe someone to the list, +I add their contact to the group. +For a long time I was planning +to write some software +to manage these subscriptions. +It should be possible +to process subscription requests from IMAP +and manipulate the contact group with CardDAV. +When I went to start implementing this, +however, +I found CardDAV (and WebDAV in general) +completely inscrutable. +It's the kind of protocol +that is split across like 20 +different RFCs +and you can't understand anything +by just reading +the one you actually care about. +So I've given up on that +and will keep manually subscribing people +on request. +. +.Pp +The only thing missing, then, +is a way for people to read +mail sent to the list +while they aren't subscribed. +All the existing +mailing list archive software +I know of +expects to have the mail locally, +but I'd rather keep all my mail in IMAP. +First, +in order to make sure +I keep a complete archive +of the mailing list in IMAP, +I added a small amount +of Sieve code +to my Fastmail filters configuration: +.Bd -literal -offset indent +if address :matches ["To", "Cc"] "list*@causal.agency" { + fileinto :copy :flags "\e\eSeen" "INBOX.List"; +} +.Ed +. +.Pp +Sieve is a small standard language +specifically for filtering mail. +This bit of code matches +anything sent to the list +and adds a copy of it +(the original is going into my inbox) +to the +.Dq List +folder +and marks the copy as read. +. +.Pp +With a pristine IMAP mailbox +to export from, +I wrote a new archive generator. +It's called +.Xr bubger 1 +kirg (have it in a way). +My goal was to render directly from IMAP +and produce only static files as output, +making it not only easy to serve, +but also to run in one place +and copy the files elsewhere. +That's important to me +because it has access to my email, +so I'd rather run it +on my local network and +.Xr rsync 1 +its output into The Cloud. +The static files are in +HTML, Atom and mboxrd formats. +. +.Pp +The architecture of +.Xr bubger 1 +is that for each piece of mail, +identified by its UID in the mailbox, +HTML and Atom fragments +are exported along with the mboxrd. +Those fragments are then stitched together +using the IMAP SORT and THREAD extensions +to make full pages and feeds +for each thread. +The fragments act as a cache +for subsequent runs. +. +.Pp +I admit I did some +pretty questionable things +to achieve this. +Namely, +I wrote a small string templating engine in C. +I use it to produce the HTML +and XML for Atom, +as well as to generate URLs +and paths. +I'm really happy with how it works, actually. +This is also where +I really started using +one of my favourite C hacks: +.Bd -literal -offset indent +#define Q(...) #__VA_ARGS__ +.Ed +. +.Pp +I quote all my HTML/XML templates +with this and it's lovely. +. +.Pp +I've been working on +.Xr bubger 1 +on and off for almost a year now, +and it's been interesting. +I learned a lot about how email +works from having to deal with +all the ways a message can be. +Thankfully a lot of that dealing +is done by the IMAP server. +. +.Pp +As for running it, +I initially just ran it with +.Xr cron 8 , +and that's still a good way to go. +To hook it up to +.Xr rsync 1 , +pipe it like so: +.Bd -literal -offset indent +bubger -C list [...] | rsync -a --files-from=- list remote:list +.Ed +. +.Pp +Later, +I got a little annoyed +with having to wait +for the next run +if I wanted to link +to some mail I just received. +I added an option +to use IMAP IDLE +to wait for new mail continuously +and I started running it +under my process supervisor, +.Xr catsitd 8 . +. +.Pp +The setup is a little more complex +to feed the list of updated files to +.Xr rsync 1 . +I added the +.Xr catsit-watch 1 +utility to run a command +when a file changes, +and in my +.Xr catsit.conf 5 +I have the following: +.Bd -literal -offset indent +bubger ~/.local/libexec/bubger +rsync catsit-watch -i -f ~/list/UIDNEXT ~/.local/libexec/rsync +.Ed +. +.Pp +The +.Pa ~/.local/libexec/bubger +script runs +.Xr bubger 1 , +writing the list of updated paths to +.Pa ~/list/FILES : +.Bd -literal -offset indent +exec bubger -i -C ~/list [...] >~/list/FILES +.Ed +. +.Pp +And the +.Pa ~/.local/libexec/rsync +script gets run each time a +.Xr bubger 1 +update completes +.Po +.Pa UIDNEXT +is always the last file written +.Pc +and copies the listed files +to the remote host: +.Bd -literal -offset indent +exec rsync -a --files-from=$HOME/list/FILES ~/list remote:list +.Ed +. +.Pp +I haven't tagged any +.Xr bubger 1 +releases yet +because it hasn't gotten +a huge amount of testing, +and I'm not sure anyone but me +would even want to use it. +But I'm happy +with how it's working right now, +so I might tag 1.0 soon +just for fun. +. +.Sh SEE ALSO +.Bl -item -compact +.It +.Lk https://causal.agency/list/ +.It +.Lk https://git.causal.agency/bubger/about +.It +.Lk https://git.causal.agency/catsit/about +.El +. +.Sh AUTHORS +.An june Aq Mt june@causal.agency +. +.Sh BUGS +Almost every time +I try to type +.Dq mailing list +I instead type +.Dq mailist list . diff --git a/www/text.causal.agency/020-c-style.7 b/www/text.causal.agency/020-c-style.7 new file mode 100644 index 00000000..9816dbc3 --- /dev/null +++ b/www/text.causal.agency/020-c-style.7 @@ -0,0 +1,172 @@ +.Dd March 16, 2021 +.Dt C-STYLE 7 +.Os "Causal Agency" +. +.Sh NAME +.Nm C Style +.Nd a rough description +. +.Sh DESCRIPTION +This is a rough description +of the style in which I write C, +since it's uncommon +but some people seem to like it. +I don't have any hard rules, +it just needs to look right. +. +.Ss Superficialities +I use tabs +and they're set to 4 characters wide +in my editor. +I keep my lines shorter than 80 columns, +which I enforce by +not resizing my terminal's width. +I use block indentation only, +meaning I write long function calls +like this: +.Bd -literal -offset indent +fprintf( + imap.w, "%s UID THREAD %s UTF-8 %s\er\en", + Atoms[thread], algo, search +); +.Ed +.Pp +Anything that can be sorted +should be sorted, +with trailing commas where possible. +This and block indentation +make for simpler diffs. +.Pp +I either write single-line ifs +or always use braces. +I put parentheses +around ternary expressions. +I use camelCase +for functions and variables, +and PascalCase for types and constants. +When an acronym appears +in an identifier, +it's in either all lower case +or all upper case. +The despicable SCREAMING_SNAKE_CASE +is reserved for macros. +I don't set globals or statics to zero +since that is already the default. +I don't compare against zero or NULL +unnecessarily. +. +.Ss \&No side-effects in control flow +I never write a function call +with side-effects +inside the condition of an if statement. +I find this makes following the +.Dq happy path +through functions +much easier. +I write things like this: +.Bd -literal -offset indent +pidFile = open(pidPath, O_WRONLY | O_CREAT | O_CLOEXEC, 0600); +if (pidFile < 0) err(EX_CANTCREAT, "%s", pidPath); + +error = flock(pidFile, LOCK_EX | LOCK_NB); +if (error && errno != EWOULDBLOCK) err(EX_IOERR, "%s", pidPath); +if (error) errx(EX_CANTCREAT, "%s: file is locked", pidPath); +.Ed +.Pp +I do write side-effects +inside for and while statement heads, +since that's generally expected. +For some reason +I like to write the constant first +if I'm comparing the result of an assignment +with a side-effect. +.Bd -literal -offset indent +for (ssize_t len; 0 <= (len = getline(&buf, &cap, file)); ++line) +.Ed +. +.Ss Paragraphs +I leave blank lines +between logical chunks of +.Dq things happening . +This is usually between side-effects +with their related error handling, +or between groups of closely related side-effects. +I try to keep variable declarations +glued to the top of the bit of code +they're used in. +. +.Ss Leading break +I've mentioned this previously. +I write my switch statement breaks +before each case label. +Doing this aligns nicely, +and being in the habit +means I always avoid +accidental fallthrough. +.Bd -literal -offset indent +switch (opt) { + break; case 'a': append = 1; + break; case 'd': delay = strtol(optarg, NULL, 10); + break; case 'f': watch(kq, optarg); + break; case 'i': init = 1; + break; default: return EX_USAGE; +} +.Ed +. +.Ss Function type definitions +Function types are always typedef'd, +and it's the function type itself +that is defined, +not a function pointer type! +I put the typedef above any functions +that are supposed to be of that type +so it's clear what the pattern is. +.Bd -literal -offset indent +typedef void Action(struct Service *service); +Action *fn = NULL; +.Ed +. +.Ss Constants +I prefer enums over #defines +for integer constants, +and static const strings over #defines +unless I want to do concatenation. +.Bd -literal -offset indent +enum { Cap = 1024 }; +.Ed +.Pp +I avoid the preprocessor +wherever possible, +with the notable exception of X macros, +which I've talked about previously. +Doing things in the actual language +makes for easier debugging. +. +.Ss Organization +I usually use only one header file +in each project. +The dependency is easy to declare +and the complete rebuild +when the header changes +isn't a problem for small projects. +Unless it's a single-file program, +I name the file which contains main +something generic, +since the name of the project +isn't relevant to its function. +I name functions like +.Ar nounVerb , +and all the functions for a +.Ar noun +are defined in +.Pa noun.c . +Not really to do with C, +but I always put a FILES section +in my README pages +to briefly describe +the layout of the code +for anyone looking to +read or make changes to it. +. +.Sh AUTHORS +.An june Aq Mt june@causal.agency diff --git a/www/text.causal.agency/021-time-machine.7 b/www/text.causal.agency/021-time-machine.7 new file mode 100644 index 00000000..93d35c1e --- /dev/null +++ b/www/text.causal.agency/021-time-machine.7 @@ -0,0 +1,144 @@ +.Dd April 25, 2021 +.Dt TIME-MACHINE 7 +.Os "Causal Agency" +. +.Sh NAME +.Nm Time Machine +.Nd an awful one +. +.Sh DESCRIPTION +If, like me, +you have a Raspberry Pi 3 at home +that you've just upgraded to +.Fx 13.0 +which has a hard drive +from an old laptop +attached to it by USB adapter +with ZFS on it +and you want to +use that as a Time Machine +backup destination +over SMB using +.Xr samba 8 , +despite +.Xr samba 8 +being awful software +and using ZFS on a system +with only 1 GB of RAM +being a terrible idea, +this is how to do it. +. +.Pp +In +.Pa /usr/local/etc/smb4.conf : +.Bd -literal -offset indent +[global] +vfs objects = zfsacl catia fruit streams_xattr +fruit:metadata = stream +fruit:model = Macmini + +[TimeMachine] +read only = no +path = /media/zhdd/backup/TimeMachine +fruit:time machine = yes +fruit:time machine max size = 250G +.Ed +. +.Pp +The important thing here is +.Sy zfsacl +in the vfs objects list. +Most pages will tell you about the others, +but without +.Sy zfsacl +Time Machine will just fail to +create the backup +and not provide any useful error. +I'm not actually sure if the +.Sy fruit:metadata +setting is required, +but a bunch of pages recommend it. +The +.Sy fruit:model +just makes it look nice in Finder. +The rest creates an SMB share called +.Dq TimeMachine +that macOS will be willing to use. +You can limit the size of the share that +.Xr samba 8 +reports so that Time Machine +doesn't fill up the whole drive. +. +.Pp +The other important thing to do +is to create some swap space. +When I first tried backing up +to this share, +it stopped after a while +because +.Xr smbd 8 +got killed +when there was nowhere to swap pages to. +A wiki page told me to +create swap on ZFS like this: +.Bd -literal -offset indent +zfs create -V 2G \e + -o org.freebsd:swap=on \e + -o checksum=off \e + -o compression=off \e + -o dedup=off \e + -o sync=disabled \e + -o primarycache=none \e + zhdd/swap +swapon /dev/zvol/zhdd/swap +.Ed +. +.Pp +To be fair to +.Xr samba 8 , +most of the memory +is being used by the ZFS ARC +.Po +which you can see in +.Xr top 1 +.Pc , +but +.Xr smbd 8 +still seems to be using +far more memory than is reasonable. +It's interesting seeing processes +with 0 RES in +.Xr htop 1 +because they're all being swapped out +while the ARC takes half the available RAM. +And having to wait for my shell +to be paged back in when I quit +.Xr htop 1 . +. +.Pp +Anyway, +as expected this whole thing +is terribly slow. +On my initial backup, +I'm currently at 26.49 GB +of 104.22 GB +with an estimate of 8 hours remaining. +Normally transfer time estimates +are wildly inaccurate, +but I think in this case it's right. +. +.Sh AUTHORS +.An june Aq Mt june@causal.agency +. +.Sh BUGS +.Fx +doesn't seem to want to mount +the ZFS volumes on the hard-drive-over-USB +automatically at boot. +I have to +.Xr zpool-import 8 +the drive manually each time. +I don't know if there's a workaround for this, +but I don't have anything essential +to the system on the drive, +and it doesn't need to reboot often. diff --git a/www/text.causal.agency/022-swans-are-dead.7 b/www/text.causal.agency/022-swans-are-dead.7 new file mode 100644 index 00000000..8664e886 --- /dev/null +++ b/www/text.causal.agency/022-swans-are-dead.7 @@ -0,0 +1,164 @@ +.Dd May 5, 2021 +.Dt SWANS-ARE-DEAD 7 +.Os "Causal Agency" +. +.Sh NAME +.Nm Swans Are Dead +.Nd album by Swans +. +.Sh DESCRIPTION +Swans Are Dead +is the best Swans album. +Among my favourites are +Soundtracks for the Blind, +To Be Kind +and Love of Life, +but Swans Are Dead +is the one I come back to +most consistently. +I'm always in the mood +to listen to these tunes. +. +.Pp +It's interesting to me +that I enjoy it so much, +I think because I had the expectation +that live albums +are not of the same quality +as studio albums, +but that's just completely untrue +in the case of Swans. +The performances are excellent +and the recording is +for the most part perfect. +The album feels live, +without any distracting deficiencies +of live recording +that would take you out +of just enjoying the music. +. +.Bl -ohang +.It Dq Feel Happiness +This track feels kind of special +since it's the only song on the album +that was never released +as part of another project. +I absolutely love this format of song. +It's like 10 minutes of build +before any lyrics happen, +which you only get after +the wave of the first part +of the song collapses. +It bookends the first disc nicely with +.Dq Blood Promise, +I think, +which is sort of the reverse. +. +.It Dq Blood On Yr Hands +This is such a great start +to the Jarboe-focused +section of the black disc. +A cappella apart from the hum +of the equipment on stage, +I love this vocal performance. +I sing this song, +terribly, +in the shower. +The lack of instrumental +seems to make it stick in my mind even more. +. +.It Dq I Crawled +This is another great vocal performance +by Jarboe. +It's so much more dynamic and intense +than the version of this song +released much earlier on Young God +with Gira's vocals. +I remember seeing a bad comment +somewhere online +from someone who couldn't stand +any Swans song Jarboe sang on. +They must have never heard +this version of +.Dq I Crawled. +Incredible. +. +.It Dq Blood Promise +My favourite track on +Swans Are Dead, +by far. +I had actually never heard of +.Dq The Whiffenpoof Song +until I looked up +the recording they use +to introduce this song +and indicate it's the last of the show. +Anyway, +this track highlights +what makes Swans live albums +so interesting. +This performance of the song +has evolved so much +from the studio recording on +The Great Annihilator. +They share the same lyrics, +but the earlier version is only 4:15, +to the live version's fifteen and a half minutes! +And it sucks me in the whole time. +As the song winds down +you can hear an audience member yell, +.Dq Don't stop! +and I agree. +. +.It Dq The Sound +One of my all-time favourite songs. +It's the one that got me to listen to +Soundtracks for the Blind, +and might've gotten me into Swans altogether. +I don't quite remember +what order I started listening to things in. +This version of it is great. +I don't think I could choose +between this and the studio recording. +There are just +two ways to enjoy it. +I love how frantic the guitars get +at the height of this track. +. +.It Dq I See Them All Lined Up +This version of the song +is way more harsh +than the version on Soundtracks. +It loses some contrast +between the verses +and the explosions of sound +punctuating them, +it just hits hard +the whole time. +. +.It Dq Yum Yab +An absolute banger. +The drums sound so good on this +and they really get me moving. +The whole thing is delightfully nasty and fun. +.El +. +.Pp +Everything else on the album +is good too, +of course, +I just don't have as much to say. +There's almost two and a half hours of music +on this thing! +. +.Sh AUTHORS +.An june Aq Mt june@causal.agency +.Pp +I want to try writing +about different kinds of things here, +and this is my first attempt +at doing so. +There's more music +I want to write about, +and maybe some other +non-computer topics. diff --git a/www/text.causal.agency/023-sparse-checkout.7 b/www/text.causal.agency/023-sparse-checkout.7 new file mode 100644 index 00000000..925bc043 --- /dev/null +++ b/www/text.causal.agency/023-sparse-checkout.7 @@ -0,0 +1,144 @@ +.Dd June 9, 2021 +.Dt SPARSE-CHECKOUT 7 +.Os "Causal Agency" +. +.Sh NAME +.Nm Sparse Checkout +.Nd a cool git feature +. +.Sh DESCRIPTION +I was going to write a post about +.Xr git-subtree 1 +(and I still plan to!) +but while talking about it +with a friend +I came across another command: +.Xr git-sparse-checkout 1 . +I got pretty excited because +I already had a use case for it. +. +.Pp +.Xr git-sparse-checkout 1 +does pretty much what it sounds like. +It lets you only have +a subset of files in the repository actually +.Dq checked out . +This is really useful +for huge respositories +where you are only interested in +some part of it. +Any operation touching the working tree +is much faster because +it can skip all the files you don't care about. +. +.Pp +My use case is with the +.Fx +.Xr ports 7 +tree, +which recently moved to git +and contains almost 14 thousand files. +Working with the whole repository +was super painful. +.Xr git-status 1 , +which I run as a habit +when my shell is idle, +would take dozens of seconds +to check the whole working tree +and report back. +(I didn't get any real time measurements +before enabling +.Xr git-sparse-checkout 1 , +and I'm not about to disable it now, +since it'd have to check out +all those files again.) +I'm only actually working on +a small handful of ports, +so all that work is wasted. +Time to turn on sparse checkout: +.Bd -literal -offset indent +git sparse-checkout init --cone +.Ed +. +.Pp +The +.Fl \-cone +option here +(which I keep reading as +.Dq clone +because it's git) +restricts the kinds of patterns +you can use to select files to check out, +but makes the calculation more efficient. +Basically it means you can only select +paths along with everything below them, +which I think is pretty much +always what you want anyway. +Enabling sparse checkout +can take quite a while +because it has to do a lot of un-checking-out. +I should mention +that you can pass +.Fl \-sparse +to +.Xr git-clone 1 +to avoid ever checking out +the whole tree. +. +.Pp +The default selection when you run +.Cm init +is to check out all the files +at the root of the repository, +but none of the subdirectories. +For +.Xr ports 7 , +I also want to check out +the shared scripts and Makefiles: +.Bd -literal -offset indent +git sparse-checkout add Keywords Mk Templates Tools +.Ed +. +.Pp +And then I can selectively check out +just the ports I'm working on: +.Bd -literal -offset indent +git sparse-checkout add irc/catgirl irc/pounce +.Ed +. +.Pp +After enabling sparse checkout, +.Xr git-status 1 +takes what I'd call +a normal amount of time. +I also did this on +a couple-weeks-out-of-date copy of the +.Xr ports 7 +tree, +and when I ran +.Xr git-pull 1 +it was also really quick, +because it didn't have to bother +updating all those files +I'm not interested in. +It still downloads all the git objects, +of course, +and you can just add any new paths you need +to the sparse checkout list. +My disk usage also went down +by about a gigabyte. +. +.Pp +I'm super pleased to discover this part of git, +because it makes working with huge +and/or monorepo-style repositories +so much more feasible! +You can see how I came across it, +since +.Xr git-subtree 1 +is also a useful tool for monorepos. +Stay tuned for that post, +I guess :) +. +.Sh AUTHORS +.An june Aq Mt june@causal.agency diff --git a/www/text.causal.agency/024-seprintf.7 b/www/text.causal.agency/024-seprintf.7 new file mode 100644 index 00000000..d1af2e1a --- /dev/null +++ b/www/text.causal.agency/024-seprintf.7 @@ -0,0 +1,137 @@ +.Dd June 12, 2021 +.Dt SEPRINTF 7 +.Os "Causal Agency" +. +.Sh NAME +.Nm seprintf +.Nd an snprintf alternative +. +.Sh SYNOPSIS +.Ft "char *" +.Fn seprintf "char *ptr" "char *end" "const char *fmt" "..." +. +.Sh DESCRIPTION +While discussing string building in C recently, +mcf pointed out +.Xr seprint 2 +from Plan 9, +and it kind of blew my mind. +I had implemented my own function in +.Xr catgirl 1 +for building up strings using +.Xr snprintf 3 +and a struct containing +pointer, length and capacity, +but it felt out of place. +.Fn seprintf +(I add the +.Dq f , +Plan 9 doesn't) +is a much simpler +and more +.Dq C-like +interface with really nice usage patterns. +. +.Pp +The obvious difference from +.Xr snprintf 3 +is that +.Fn seprintf +takes an +.Fa end +pointer +rather than a size. +This means you need only calculate it +once for each buffer, +rather than subtracting +the running length from the buffer size. +.Fn seprintf Ap s +return value is a pointer +to the terminating null +of the string it wrote, +so you can pass that back in +to continue appending +to the same buffer. +. +.Pp +I'm not sure of the exact behaviour on Plan 9, +but my implementation indicates truncation occurred +by returning the +.Fa end +pointer. +That makes it both easy to check, +and perfectly fine to keep calling +.Fn seprintf +anyway. +It just won't write anything if +.Fa ptr +== +.Fa end . +. +.Pp +In the case of formatting failure +(which should be prevented by +compile-time format string checking, +but should still be considered), +.Fn seprintf +returns +.Dv NULL . +I'm again not sure if this matches Plan 9. +I like this a lot better than +.Xr snprintf 3 +returning -1, +because an unchecked +.Dv NULL +is likely to quickly cause a crash, +while blindly adding +.Xr snprintf 3 Ap s +return value +to your running length +is a non-obvious logic error. +. +.Sh EXAMPLES +Here's an example of what some code using +.Fn seprintf +might look like: +.Bd -literal -offset indent +char buf[4096]; +char *ptr = buf, *end = &buf[sizeof(buf)]; +ptr = seprintf(ptr, end, "argv: "); +for (int i = 1; i < argc; ++i) { + ptr = seprintf( + ptr, end, "%s%s", + (i > 1 ? ", " : ""), argv[i] + ); +} +if (ptr == end) errx(1, "truncation occurred :("); +.Ed +. +.Pp +And here is the very short implementation of it against +.Xr vsnprintf 3 +which I copy into my project header files: +.Bd -literal -offset indent +#include <stdarg.h> +#include <stdio.h> +static inline char * +seprintf(char *ptr, char *end, const char *fmt, ...) + __attribute__((format(printf, 3, 4))); +static inline char * +seprintf(char *ptr, char *end, const char *fmt, ...) { + va_list ap; + va_start(ap, fmt); + int n = vsnprintf(ptr, end - ptr, fmt, ap); + va_end(ap); + if (n < 0) return NULL; + if (n > end - ptr) return end; + return ptr + n; +} +.Ed +. +.Sh AUTHORS +.An june Aq Mt june@causal.agency +.Pp +Another short one before +.Xr git-subtree 1 . +I just think this function +is really neat. diff --git a/www/text.causal.agency/025-v6-pwd.7 b/www/text.causal.agency/025-v6-pwd.7 new file mode 100644 index 00000000..90bfd6ac --- /dev/null +++ b/www/text.causal.agency/025-v6-pwd.7 @@ -0,0 +1,330 @@ +.Dd September 1, 2021 +.Dt V6-PWD 7 +.Os "Causal Agency" +. +.Sh NAME +.Nm V6 pwd +.Nd deciphering old code +. +.Sh DESCRIPTION +We were talking about +.Xr wall 1 +on IRC +and how long it had been annoying users. +My manual page says +.Xr wall 1 +appeared in +.At v6 , +which means that +.Xr wall 1 +has been annoying users for 46 years! +. +.Pp +The Wikipedia page links to the source for +.At v6 , +so I was curious to see how the very first +.Xr wall 1 +was implemented. +It's not that surprising, +except that it is hardcoded +to handle only 50 logins, +and it forks to write to each tty, +waiting one second between each. +I think the forking must be to avoid +any of the terminals being opened +from becoming the controlling terminal +of the original +.Xr wall 1 +process. +. +.Pp +Then I started looking +at some of the other source files +and found the implementation of +.Xr pwd 1 , +which was surprising. +There's no +.Xr getcwd 3 +function +(the earlier form of which, +.Xr getwd 3 , +appeared in +.Bx 4.0 ) , +so +.Xr pwd 1 +has to figure out +the path to the working directory itself. +It took me a while to figure out how it works. +. +.Pp +To make it easy to talk about, +I'm just going to include the whole thing here: +.Bd -literal +char dot[] "."; +char dotdot[] ".."; +char root[] "/"; +char name[512]; +int file, off -1; +struct statb {int devn, inum, i[18];}x; +struct entry { int jnum; char name[16];}y; + +main() { + int n; + +loop0: + stat(dot, &x); + if((file = open(dotdot,0)) < 0) prname(); +loop1: + if((n = read(file,&y,16)) < 16) prname(); + if(y.jnum != x.inum)goto loop1; + close(file); + if(y.jnum == 1) ckroot(); + cat(); + chdir(dotdot); + goto loop0; +} +ckroot() { + int i, n; + + if((n = stat(y.name,&x)) < 0) prname(); + i = x.devn; + if((n = chdir(root)) < 0) prname(); + if((file = open(root,0)) < 0) prname(); +loop: + if((n = read(file,&y,16)) < 16) prname(); + if(y.jnum == 0) goto loop; + if((n = stat(y.name,&x)) < 0) prname(); + if(x.devn != i) goto loop; + x.i[0] =& 060000; + if(x.i[0] != 040000) goto loop; + if(y.name[0]=='.')if(((y.name[1]=='.') && (y.name[2]==0)) || + (y.name[1] == 0)) goto pr; + cat(); +pr: + write(1,root,1); + prname(); +} +prname() { + if(off<0)off=0; + name[off] = '\en'; + write(1,name,off+1); + exit(); +} +cat() { + int i, j; + + i = -1; + while(y.name[++i] != 0); + if((off+i+2) > 511) prname(); + for(j=off+1; j>=0; --j) name[j+i+1] = name[j]; + off=i+off+1; + name[i] = root[0]; + for(--i; i>=0; --i) name[i] = y.name[i]; +} +.Ed +. +.Pp +First, some syntax trivia: +it seems you don't need +.Sy = +to give globals values. +I guess that makes sense. +I also noticed that +it avoids giving +.Va inum +and +.Va jnum +the same name. +I think that's because in old C, +struct field names all shared the same namespace. +The last difference I noticed +is the operator +.Sy =& +rather than +.Sy &= . +Honestly I think the former makes more sense, +but I can see that the one we have now +is less ambiguous. +. +.Pp +To get +.Fn prname +and +.Fn cat +out of the way, +it's building up a path from the bottom. +At first I thought it must be +starting at the end of its buffer +and moving back as it adds components, +but no, +it moves the entire path-so-far over +every time it adds a new component +onto the front. +.Fn cat +is just a bunch of manual string copying. +It also gives up +if the new component +would make the path longer than 511 characters. +Fair enough. +. +.Pp +So how does it build up the path? +The loop in +.Fn main +first calls +.Xr stat 2 +on the current directory +.Pa \&. +in order to get its inode number. +I love that +.Vt struct statb +is just declared at the top of this file. +Clearly this code predates the C preprocessor. +. +.Pp +It then opens the parent directory +.Pa .. +and reads directory entries from it. +The inner loop is looking for +a directory entry with the same inode number +as the current directory, +to figure out what the current directory is called. +Curiously, +it reads 16-byte directory entries, +despite declaring a larger struct. +The preprocessor can't be invented soon enough. +. +.Pp +Once it finds the matching directory entry, +it adds the name of the entry +onto the front of the path, +changes directory to +.Pa .. +and starts over. +It stops when the current directory +has an inode number of 1, +which must be the root of a file system, +but then it does something else. +It took me a while to decipher what +.Fn ckroot +is doing. +. +.Pp +The loop in +.Fn main +stops when it gets to the root +of a file system, +but that's not necessarily +.Pa / . +I think what +.Fn ckroot +is doing is trying to figure out +where that file system is mounted. +It starts by checking the device number +that the current directory is on. +Or really it calls +.Xr stat 2 +on the name of the directory entry that +.Fn main +just found, +which I think must be +.Pa \&. +at this point anyway since it's at a root. +. +.Pp +Anyway, +it then changes directory to and opens +.Pa / +and starts reading directory entries from that, +calling +.Xr stat 2 +on each of them +and checking for a matching device number. +I think this implies that file systems +can only be mounted in +.Pa / +and not at any lower level, +at least not if you want +.Xr pwd 1 +to understand it. +I'm not sure what the check for +an inode number of 0 is skipping over +in this loop. +Some kind of special entry in +.Pa / +perhaps. +. +.Pp +Once it finds an entry +with a matching device number, +it checks the flags +to make sure the entry is a directory. +It does so with hardcoded constants, +but it seems they haven't changed +in all these years. +According to +.Xr stat 2 , +040000 is +.Dv S_IFDIR . +The number of file types +clearly has grown since then though, +since +.Dv S_IFMT +is now 0170000 rather than 060000. +. +.Pp +I think the reason it checks +that the entry is a directory +is because if it actually is +on the root file system already, +then any regular file +would have a matching device number. +If the entry is indeed a directory, +it then checks if the entry is +.Pa \&. +or +.Pa \&.. , +which indicates that it really is already at +.Pa / . +If it's not, +it adds the mount point that it found +to the front of the path. +. +.Pp +Finally, +it prints +.Pa / +followed by the path it built up. +If it failed at any point before that, +it would print the path it had built so far +with no leading +.Pa / . +Better than nothing! +. +.Pp +So that's how I think +.Xr pwd 1 +works in +.At v6 . +It was a fun puzzle to work through, +and it was interesting to see +the assumptions it makes. +How simple things were back then... +Actually I find it really cool +that code from 1975 +can still be read and understood +using knowledge of modern C and UNIX-likes. +. +.Sh SEE ALSO +.Lk https://minnie.tuhs.org/cgi-bin/utree.pl?file=V6 +.Pp +.Pa pwd.c +appears in +.Pa V6/usr/source/s2 . +. +.Sh AUTHORS +.An june Aq Mt june@causal.agency +.Pp +I regret saying in two previous posts +what I planned to write next, +because this is still not that. diff --git a/www/text.causal.agency/026-git-comment.7 b/www/text.causal.agency/026-git-comment.7 new file mode 100644 index 00000000..fefb497e --- /dev/null +++ b/www/text.causal.agency/026-git-comment.7 @@ -0,0 +1,190 @@ +.Dd September 10, 2021 +.Dt GIT-COMMENT 7 +.Os "Causal Agency" +. +.Sh NAME +.Nm git-comment +.Nd add comments from commit messages +. +.Sh SYNOPSIS +.Nm git comment +.Op Fl \-all +.Op Fl \-comment-start Ar string +.Op Fl \-comment-lead Ar string +.Op Fl \-comment-end Ar string +.Op Fl \-min-group Ar lines +.Op Fl \-min-repeat Ar lines +.Op Fl \-no-repeat +.Op Fl \-pretty Ar format +.Op Ar options ... +.Op Fl \- +.Ar file +. +.Sh DESCRIPTION +The +.Nm +command +adds comments to a file +showing the commit messages +which last modified +each group of lines. +By default only commit messages with bodies +and which modified groups of at least 2 lines +are added. +Each comment contains +the abbreviated commit hash +and the commit summary, +followed by the commit body. +. +.Pp +.Nm +accepts all the options of +.Xr git-blame 1 +in addition to the following: +.Bl -tag -width Ds +.It Fl \-all +Include all commit messages. +The default is to include +only commit messages with bodies +(lines after the summary). +. +.It Fl \-comment-start Ar string +Start comments with +.Ar string . +The default is the value of +.Cm comment.start +or +.Ql /* . +. +.It Fl \-comment-lead Ar string +Continue comments with the leading +.Ar string . +The default is the value of +.Cm comment.lead +or +.Ql " *" . +. +.It Fl \-comment-end Ar string +End comments with +.Ar string . +The default is the value of +.Cm comment.end +or +.Ql " */" . +. +.It Fl \-min-group Ar lines +Add comments only for groups of at least +.Ar lines . +The default is 2 lines. +. +.It Fl \-min-repeat Ar lines +Avoid repeating a comment +if it occurred in the last +.Ar lines . +The default is 30 lines. +. +.It Fl \-no-repeat +Avoid repeating comments entirely. +. +.It Fl \-pretty Ar format +Set the pretty-print format +to use for commit messages. +The default is the value of +.Cm comment.pretty +or +.Ql format:%h\ %s%n%n%-b . +See +.Xr git-show 1 . +.El +. +.Sh EXAMPLES +For files with +.Ql # +comments: +.Bd -literal -offset indent +git config comment.start '#' +git config comment.lead '#' +git config comment.end '' +.Ed +. +.Pp +Add as many comments as possible: +.Bd -literal -offset indent +git comment --all --min-group 1 --min-repeat 1 +.Ed +. +.Pp +Some examples of output from +.Xr catgirl 1 : +.Bd -literal +/* 347e2b4 Don't apply uiThreshold to Network and Debug + * + * Messages don't really need to be hidden from <network> and I think + * it could be confusing. Debug messages are all Cold so everything + * would be hidden, and I want to keep them that way so that <debug> + * doesn't clutter the status line needlessly. + */ +if (id == Network || id == Debug) { + window->thresh = Cold; +} else { + window->thresh = uiThreshold; +} + +/* b4c26a2 Measure timestamp width using ncurses + * + * This allows for non-ASCII characters in timestamps, and simplifies + * things by including the trailing space in the width. + */ +int y; +char buf[TimeCap]; +struct tm *time = localtime(&(time_t) { -22100400 }); +size_t len = strftime(buf, sizeof(buf), uiTime.format, time); +if (!len) errx(EX_CONFIG, "invalid timestamp format: %s", uiTime.format); +waddstr(main, buf); +waddch(main, ' '); +getyx(main, y, uiTime.width); +(void)y; + +/* 43b1dba Restore toggling ignore with M-- + * + * So that pressing M-- repeatedly maintains the previous behavior. + */ +if (n < 0 && window->thresh == Ice) { + window->thresh = Cold; +} else { + window->thresh += n; +} + +/* 1891c77 Preserve colon from previous tab-complete + * + * This fixes the case when pinging multiple nicks and one of them needs to + * be cycled through. + */ +bool colon = (tab.len >= 2 && buf[tab.pos + tab.len - 2] == L':'); +.Ed +. +.Sh SEE ALSO +.Lk https://git.causal.agency/src/tree/bin/git-comment.pl +. +.Sh AUTHORS +.An june Aq Mt june@causal.agency +. +.Pp +In case it's unclear, +this is a +.Xr git 1 +subcommand I wrote. +Did you know you can add new +.Xr git 1 +subcommands just by +adding executables named +.Pa git-* +to somewhere in +.Ev PATH ? +. +.Pp +This is also, +I think, +my third Perl script ever. +It's an interestingly shaped language. +Quite neat. diff --git a/www/text.causal.agency/027-openbsd-linode.7 b/www/text.causal.agency/027-openbsd-linode.7 new file mode 100644 index 00000000..9f40de42 --- /dev/null +++ b/www/text.causal.agency/027-openbsd-linode.7 @@ -0,0 +1,202 @@ +.Dd September 26, 2021 +.Dt OPENBSD-LINODE 7 +.Os "Causal Agency" +. +.Sh NAME +.Nm Installing OpenBSD on Linode +.Nd a guide +. +.Sh DESCRIPTION +I've been thinking for a while +about moving my servers to Linode, +and also about moving them to +.Ox . +I actually originally got into +.Fx +(and from there, +.Ox ) +only because DigitalOcean +started offering it as a +.Dq droplet +image. +I've been running those servers fine for years, +but now I prefer to run +.Ox , +and some recent DigitalOcean outages +had me thinking about it more, +so I'm giving it a shot. +. +.Pp +As an aside, +running +.Ox +on DigitalOcean +is not really a good option. +It seems more awkward to install your own OS there, +and if you do, +I've heard that IPv6 won't work +because they don't know how to run SLAAC. +Also, +now that I've used +the Linode control panel and LISH a bit, +DigitalOcean kind of feels like a toy +in comparison. +. +.Pp +Here's what I did to install +.Ox +on Linode: +.Bl -enum +.It +Create a Linode with the +.Dq Choose a Distribution +box blank. +. +.It +Under the Storage tab, +create a disk called +.Dq miniroot +of type raw +with size 8 MB. +This will hold the install image. +. +.It +Create another disk called +.Dq root +of type raw +using the remaining available storage. +. +.It +Boot the Linode in rescue mode +from the option in the three-dots menu +next to +.Dq Power On . +Attach +.Dq miniroot +to +.Pa /dev/sda . +. +.It +Log into the LISH console +and obtain the install image: +.Bd -literal +curl -O https://cdn.openbsd.org/pub/OpenBSD/6.9/amd64/miniroot69.img +dd if=miniroot69.img of=/dev/sda +.Ed +.Pp +Power off the Linode. +. +.It +Under the Configurations tab, +create a configuration called +.Dq install +in full virtualization mode. +Paravirtualization works fine once installed, +but for some reason the installer +can't see the root disk +without full virtualization. +Under boot settings, +select direct disk. +Attach +.Dq root +to +.Pa /dev/sda , +.Dq miniroot +to +.Pa /dev/sdb +and set the root device to +.Pa /dev/sdb . +. +.It +Create a similar configuration called +.Dq boot +but using paravirtualiztion +and without +.Dq miniroot +attached. +Set the root device to +.Pa /dev/sda . +. +.It +Boot the +.Dq install +configuration, +launch the LISH console +and switch to Glish. +It's possible +to have the installer use serial console, +but it requires entering commands +at the boot prompt +before the timeout, +and I never managed it. +If you do manage it, +run: +.Bd -literal +stty com0 9600 +set tty com0 +boot +.Ed +. +.It +Proceed through the +.Ox +installer. +When asked to +change the default console to com0, +answer yes +so that regular LISH will work. +Power off the Linode. +. +.It +Boot the +.Dq boot +configuration +and log in to LISH. +Since the installer configured networking +in full virtualization, +rename the file to the paravirtualized interface: +.Bd -literal +mv /etc/hostname.em0 /etc/hostname.vio0 +.Ed +.Pp +In order to get the right public IPv6 address, +disable privacy extensions +by changing the inet6 line of +.Pa hostname.vio0 +to: +.Bd -literal +inet6 autoconf -temporary -soii +.Ed +. +.It +Bring networking up +and run +.Xr syspatch 8 +since +.Pa rc.firsttime +couldn't do it: +.Bd -literal +sh /etc/netstart +syspatch +.Ed +. +.It +Reboot. +.El +. +.Pp +I guess I'll be slowly moving things over +to the new servers +for the next little while. +With any luck the next post here +will not say +.Fx +in its header! +. +.Sh SEE ALSO +I learned the basic idea +of how to do this from +.Lk https://www.subgeniuskitty.com/notes/openbsd_on_linode . +. +.Sh AUTHORS +.An june Aq Mt june@causal.agency diff --git a/www/text.causal.agency/028-names.7 b/www/text.causal.agency/028-names.7 new file mode 100644 index 00000000..de47c074 --- /dev/null +++ b/www/text.causal.agency/028-names.7 @@ -0,0 +1,81 @@ +.Dd October 30, 2021 +.Dt NAMES 7 +.Os "Causal Agency" +. +.Sh NAME +.Nm Names +.Nd three types +. +.Sh DESCRIPTION +There are (at least) three +different types of names +a person has. +. +.Pp +First, there are normie names. +These are names usually made up +of several words +each of which is capitalized. +Most people have one of these, +but it's possible to have more. +They're names that might appear on +various types of Documents. +A +.Dq legal name +(dubious) +is a normie name, +but normie names need not be +.Dq legal +(dubious). +I list this category first +not because it's more important, +but because it is by far the most boring. +. +.Pp +Next, there are Real Names. +Most people have at least a few +and will probably go through +different ones over time. +Your Real Names are anything people +use to refer to you. +On the internet these are often not capitalized. +Sometimes that is the only distinction +between a Real Name +and a normie name. +. +.Pp +There was a period of time +when I was playing a lot of TF2 +and not really leaving my apartment. +I had set my steam name to +.Dq gluten product +(yeah, from that dril tweet) +and I talked in the game's voice chat +quite a bit. +Naturally other Gamers in voice chat +called me +.Dq gluten +and at some point I realized +that over the span of months +I had been refered to as +.Dq gluten +more often than any other name. +So that was a Real Name of mine. +People used it and I responded to it. +. +.Pp +Last, there are the True Names. +The kind of name that knowledge of +gives one power over a person. +I don't think any humans +know their own True Names, +but I do believe they exist. +It's possible that other animals +know theirs. +It's probably best not to know though, right? +I think if I knew mine +I would always worry +about accidentally revealing it. +. +.Sh AUTHORS +.An june Aq Mt june@causal.agency diff --git a/www/text.causal.agency/029-topics.7 b/www/text.causal.agency/029-topics.7 new file mode 100644 index 00000000..d071eb67 --- /dev/null +++ b/www/text.causal.agency/029-topics.7 @@ -0,0 +1,116 @@ +.Dd January 8, 2022 +.Dt TOPICS 7 +.Os "Causal Agency" +. +.Sh NAME +.Nm Topics +.Nd a bit of a mess +. +.Sh DESCRIPTION +Shortly after my last post +I started writing another one +but I never finished it. +I don't think I had enough to say, +or if I did it meant going into +a whole extra thing. +I also had a list in my mind +of other things to write about, +but inspiration hasn't really struck +for any of them. +I'm currently in the mood +to write something anyway, +so I'm just going to write a bit +about the topics I have in mind. +I may or may not ever +write more about any of them. +. +.Pp +The post I had started writing +(twice, actually) +was about voices. +I like them a lot +and I'm fascinated by them. +The problem is +I don't actually have much +to say about it +without getting into Gender, +which as I say is a whole extra thing, +and not something I've written about here before. +. +.Pp +When I started writing here, +I didn't want to blog about +personal topics or LGBTQ stuff. +But more recently +I want to move away from +only writing about computers. +Or maybe away from +writing about computers entirely. +There are more interesting things, +but I don't have experience +writing about them. +Yet, +I should say. +. +.Pp +I'm honestly still not sure +if writing about gender here +is at all a good idea. +But it turns out to feel like +a bit of a prerequisite +for other things. +I find gender perception +in particular +to be fascinating. +It's interesting. +It's neat. +And I don't know if I can +write anything coherent about it. +. +.Pp +Related to that, +I've been thinking of writing +about how the pandemic +has had a strangely positive effect +on my life. +Or at least, +I've made a lot of positive changes +during it. +I'm in a better place emotionally now +than ever before, +and that obviously runs counter +to most people's experiences. +Additionally with that positive outlook +I want to write about the meaning +of my domain name. +I'm proud of it. +. +.Pp +This week the topic of fetish +has been on my mind. +That actually feels +a bit less risky +to write about than gender. +And it may honestly be more interesting. +I don't know. +There's not enough sex +on computer blogs, +or whatever this is. +Although my main ideas +are not about sex at all. +. +.Pp +Just this turned out to be +harder to write than I thought it would be. +I think I want to populate this space +with more short posts like the previous one. +I wrote that while very sleepy +after 3 AM though, +and I don't exactly +want to repeat that regularly. +We'll see. +. +.Sh AUTHORS +.An june Aq Mt june@causal.agency +.Pp +Listening to Kate Bush \(em Hounds of Love. diff --git a/www/text.causal.agency/030-discs.7 b/www/text.causal.agency/030-discs.7 new file mode 100644 index 00000000..df73a750 --- /dev/null +++ b/www/text.causal.agency/030-discs.7 @@ -0,0 +1,114 @@ +.Dd January 8, 2022 +.Dt DISCS 7 +.Os "Causal Agency" +. +.Sh NAME +.Nm Desert Island Discs +.Nd we're doing three in this one +. +.Sh DESCRIPTION +In typical fashion +I'm going to write about something +completely different instead. +Something short and simple. +I got thinking about this +after reading a little interview thing +this week. +The question is +which three albums would you want to have +if you were stranded on a desert island. +What could you listen to +for the rest of time? +It's surprisingly easy +to take this question very seriously. +. +.Pp +My immediate thought was +.Em Music for 18 Musicians. +I've literally said this about it +in conversation before. +That's an album +I'd want to have on a desert island. +I find it incredibly soothing, +almost hypnotic. +I really do feel like +I could listen to it forever. +And then maybe I could finally determine +which of its eleven sections +is the best. +. +.Pp +My next thought was +.Em Soundtracks for the Blind . +We already know I'm a huge SWANS fan. +Despite what I've written about +.Em Swans Are Dead , +I instead jumped to SFTB. +I still think that +.Em Dead +has better tunes, +but +.Em Soundtracks +is definitely the better cohesive album. +It has such atmosphere and mood on it. +Like +.Em 18 , +it's an album that sucks me in. +Also, +either SWANS album +is an economical choice +in this hypothetical +since they're each 2 hours and 20 minutes long. +. +.Pp +Choosing a third album is a lot harder. +There's so much other music I like +and only one slot left. +There's no other single album +that stands out above the rest +like the previous two, +for me. +.Em Wildlife , +maybe? +Or +.Em Jane Doe ? +Perhaps a classic like +.Em Aeroplane , +or a boomer classic like +.Em The Wall . +But would I really want to +listen to any of those +to the exclusion of everything else? +They're too mood-dependent. +. +.Pp +Then I realized the perfect choice +for third album. +.Em Mouth Moods . +A mashup album is the perfect wildcard, +and +.Em Moods +is just fun as hell to listen to. +I get songs from it stuck in my head +instead of the originals. +The final track, +.Em Shit , +always gets me moving. +It's a masterpiece. +. +.Bl -enum +.It +Steve Reich Ensemble \(em +.Em Music for 18 Musicians +.It +SWANS \(em +.Em Soundtracks for the Blind +.It +Neil Cicierega \(em +.Em Mouth Moods +.El +. +.Sh AUTHORS +.An june Aq Mt june@causal.agency +.Pp +Listening to Steve Reich Ensemble \(em Music for 18 Musicians. diff --git a/www/text.causal.agency/031-books-2021.7 b/www/text.causal.agency/031-books-2021.7 new file mode 100644 index 00000000..d7b46f17 --- /dev/null +++ b/www/text.causal.agency/031-books-2021.7 @@ -0,0 +1,127 @@ +.Dd January 12, 2022 +.Dt BOOKS-2021 7 +.Os "Causal Agency" +. +.Sh NAME +.Nm Books 2021 +.Nd a review, I guess +. +.Sh DESCRIPTION +In 2021 I read 26 books. +Finished the 26th right on December 31st. +It's not a lot but it's more than last year. +Here are the ones I loved +(in the order I read them). +I will avoid spoilers, +of course. +. +.Ss Network Effect by Martha Wells +I've been reading the +.Em Murderbot Diaries +series for a while. +They're fun stories. +I liked this full-length novel entry a lot. +I guess it felt like it had more room +for the characters to develop. +This is probably when I started +asking my friends if they'd read it +because I wanted to talk about +Murderbot gender vibes. +.Pp +You may like if: you're trans. +. +.Ss The Once and Future Witches by Alix E. Harrow +Um, +it's about witches! +One of them has the same name as me. +Kind of has some similar vibes to +.%T The Future of Another Timeline , +which was my favourite book I read in 2020. +.Pp +You may like if: you like women. +. +.Ss A Desolation Called Peace by Arkady Martine +I was so excited for this sequel to +.%T A Memory Called Empire , +another previous favourite +and something I've been wanting more of. +I kinda wish there was more fucking in it though honestly. +.Pp +You may like if: you like women. +. +.Ss Piranesi by Susanna Clarke +Really something different. +It turned out to be a different story +than I expected +from reading the first few pages. +.Pp +You may like if: you like statues, I guess? +. +.Ss A Psalm for the Wild-Built by Becky Chambers +Ok yes I do give 3/3 stars +to every Becky Chambers book. +They're so fucking good. +I'm looking forward to +more entries in this novella series. +(Also I'm currently reading +the fourth +.Em Wayfarers +book +and loving it too!) +.Pp +You may like if: your pronouns are they/them <3 +. +.Sh HONOURABLE MENTIONS +.Ss Her Body and Other Parties by Carmen Maria Machado +I really enjoyed the short story +.Dq Especially Heinous: 272 Views of Law & Order SVU +in this collection. +It goes on a bit too long +but the format is unique. +You can read that one online, +actually. +. +.Ss The Hobbit by J. R. R. Tolkien +Yeah I hadn't read this until last year. +I borrowed it after marathoning +the extended editions of the +.%T Lord of the Rings +trilogy during a heat wave. +As I said at the time, +pretty good for something +written by a man +like a hundred years ago. +Kind of hilarious that women +just don't exist +in the world of +.%T The Hobbit . +. +.Ss Earthlings by Sayaka Murata +Pretty fucking wild. +I'd recommend it, +but I have to say it +.Em extremely +needs a child sexual abuse content warning on it. +. +.Ss Six Months, Three Days, Five Others by Charlie Jane Anders +A surprising number of these short stories +are actual stories! +They have beginnings, +middles +and ends! +. +.Ss The City in the Middle of the Night by Charlie Jane Anders +It's got some +.Em Xenogenesis +series vibes. +Sophie is a goddamn lesbian idiot though +and she never even realizes it. +. +.Sh SEE ALSO +.Lk https://git.causal.agency/src/tree/txt/books.txt +. +.Sh AUTHORS +.An june Aq Mt june@causal.agency +.Pp +Listening to +.Em Ear Massage with Latex Gloves 100% Sensitivity 40 minute (No Talking) . diff --git a/www/text.causal.agency/032-albums-2021.7 b/www/text.causal.agency/032-albums-2021.7 new file mode 100644 index 00000000..72c1d0d2 --- /dev/null +++ b/www/text.causal.agency/032-albums-2021.7 @@ -0,0 +1,173 @@ +.Dd January 13, 2022 +.Dt ALBUMS-2021 7 +.Os "Causal Agency" +. +.Sh NAME +.Nm Albums 2021 +.Nd a review +. +.Sh DESCRIPTION +Every year I create a new playlist +in iTunes +(Music dot app, whatever) +for the albums I listen to that year. +It's usually embarrassingly short. +I don't listen to new music +as much as I'd like, +and usually only one or two +are actually from the current year. +Not that the playlist +is limited to new (to me) music. +If I get really into an album +I've heard before, +more than before, +I also add it to the list. +Anyway, +this is a review +of my 2021 albums playlist. +. +.Ss Black Country, New Road \(em For the First Time (2021) +I first heard the single +.Em Sunglasses +from someone sharing it on IRC, +and I loved it, +so I was looking forward to this album. +What a let down though. +The version of +.Em Sunglasses +on the album is just plain worse +than the single version. +I still got some decent listening +out of the album, +but that just sours it for me. +.Pp +Favourite track: +.Em Track X . +. +.Ss Black Dresses \(em Forever \&In Your Heart (2021) +I fucking love Black Dresses. +.Em Peaceful as Hell +is one of my all-time favourite albums. +I'm glad they put out another one +after it looked like they wouldn't. +The sounds are just so good. +Exactly what my ears crave. +The texture of it +tickles my brain clit. +.Pp +Favourite tracks: +.Em Waiting42moro , +.Em Mistake . +. +.Ss Low \(em Drums and Guns (2007) +I've long loved the song +.Em Breaker +and its music video, +but I only listened to the album +it's on last year. +Something I didn't realize, +I guess because I usually pulled up +the music video +without headphones on, +is how aggressively this album +uses stereo panning. +Vocals are generally +panned hard right throughout, +with much of the instrumentation +panned centre or hard left. +It's bold +and it really works for me. +I especially love the vocal harmony on +.Em Breaker +all the way on the opposite channel. +Bring back stereo separation! +.Pp +Favourite tracks: +.Em Breaker , +.Em Murderer , +.Em Violent Past . +. +.Ss The Armed \(em Ultrapop (2021) +I have to admit +I didn't actually listen to this one much. +I listened to the previous album, +.Em Only Love , +a lot in 2020. +I think this album is good, +but I'll probably only really get into it +in some future year. +. +.Ss Lingua Ignota \(em Caligula (2019) +Dear lord, +why did I wait so long +to listen to this one. +I had heard +.Em "Do You Doubt Me Traitor" +back when it came out, +but somehow I didn't realize +just how much this album +would be my shit. +Fucking incredible vocals. +Lovely sometimes minimal, +sometimes extreme +instrumentals +and exquisite percussion. +The sound of, +I believe, +a lightbulb rolling around on the floor on +.Em Fragrant +is such an interesting addition. +.Pp +Favourite tracks: +.Em "Do You Doubt Me Traitor" , +.Em "Fragrant Is My Many Flower'd Crown" , +.Em "If the Poison Won't Take You My Dogs Will" . +. +.Ss Black Dresses \(em LOVE AND AFFECTION FOR STUPID LITTLE BITCHES (2019) +I wanted even more Black Dresses +and fortunately there was still more +I hadn't yet listened to! +I've already gushed about Black Dresses +so I'll spare you. +They're so good though. +.Pp +Favourite tracks: +.Em STATIC , +.Em HERTZ , +.Em MY HEART BEATS OUT OF TIME . +. +.Ss Barenaked Ladies \(em All Their Greatest Hits: Disc One 1991-2001 +What? +Yeah, +late last year I decided to revisit BNL. +My parents listened to them a lot +when I was growing up, +and I liked them too. +The first show I ever went to was the +.Dq Barenaked for the Holidays +tour with my parents. +It turns out +I still think their '90s stuff +is pretty darn good! +Steven Page is really a great singer. +This is also the first time +I'm listening to these tunes +with fancy headphones +and it sounds great. +Honestly +.Em The Old Apartment +can totally compete +with the favourites +I've accumulated more recently. +\&'90s alt rock was good actually? +.Pp +Favourite tracks: +.Em The Old Apartment , +.Em Brian Wilson , +.Em What a Good Boy , +.Em Too Little Too Late . +. +.Sh AUTHORS +.An june Aq Mt june@causal.agency +.Pp +Listening to all my favourite tracks :) diff --git a/www/text.causal.agency/033-jorts.7 b/www/text.causal.agency/033-jorts.7 new file mode 100644 index 00000000..001f877c --- /dev/null +++ b/www/text.causal.agency/033-jorts.7 @@ -0,0 +1,485 @@ +.Dd February 2, 2022 +.Dt JORTS 7 +.Os "Causal Agency" +. +.Sh NAME +.Nm Introducing Jorts +.Nd june's ports +. +.Sh DESCRIPTION +Alright so I've gone off the deep end, +maybe. +After continual frustration with MacPorts +culminating in not being able to install +.Xr nvi 1 +on my work MacBook, +I have just gone ahead +and started my own personal ports tree +for macOS. +After a couple of weeks, +I have 32 ports in my tree +and only two remaining requested ports +installed from MacPorts. +. +.Pp +I set out with a couple ideas in mind: +.Bl -bullet +.It +This will be my own personal ports tree. +It only has to work for me. +Since I'm using it on both +my personal Intel MacBook Pro +still running Catalina +and my work M1 MacBook Pro +running Monterey, +it is at least that portable. +. +.It +It's ok to rely on +system libraries and tools +provided by macOS. +I'm not creating a distro, +so it doesn't need to be totally isolated. +This lets me skip really annoying things +like compiler toolchains. +. +.It +Sources get vendored, +either from release tarballs +or with +.Xr git-subtree 1 . +This allows totally pain-free +local patching, +and boy has this paid off. +I can just do what I need to do +to get the thing to build how I want +and commit it in git like anything else. +.Pp +It also means that the tree itself +is entirely self-contained +and doesn't rely on any external sources +or network access. +Honestly with some old and obscure software +it feels like upstream could disappear at any moment, +so this gives me peace of mind too. +.Pp +Another advantage of vendoring upstream sources +is that all of the code installed on my system +(in +.Pa /usr/local +anyway) +is easily inspected, +much like +.Pa /usr/src +on a BSD. +This can be super useful for debugging +or just for reference. +. +.It +Produce simple package tarballs. +They're just the contents of +.Ev DESTDIR +after a staged install. +They get installed for real +by untarring them in +.Pa / . +They can then be uninstalled +(or upgraded) +by removing the paths contained +in the tarball from the system. +. +.It +Track installed packages with symbolic links +to specific package tarballs. +Keep old tarballs around for rollbacks. +This means I can see what's installed +with plain old +.Xr ls 1 ! +.Bd -literal +$ ls */Installed +\&... +libretls/Installed toilet/Installed +mandoc/Installed tree/Installed + +$ ls -l toilet/Installed +lrwxr-xr-x 1 root staff 19 17 Jan 21:45 toilet/Installed -> toilet-0.3~1.tar.gz +.Ed +. +.It +Use +.Xr bmake 1 . +It's scrutable. +It also knows how to bootstrap itself +pretty well. +Since +.Xr bmake 1 +is itself a port in my tree +that would require +.Xr bmake 1 +to build and install, +I wrote a small +.Pa Bootstrap +shell script +to install +.Xr bmake 1 +.Dq manually +then use that +.Xr bmake 1 +to build and install its own port. +It also requires a bit of care +when upgrading the +.Xr bmake 1 +port since macOS +rather doesn't like a binary +deleting itself while it's running. +. +.It +No GNU software. +I simply refuse to do it. +To that end, +prefer configuring/building with +.Xr cmake 1 +where at all possible. +I fell into this early on +since I originally just wanted to install +.Xr nvi 1 +and +.Sy lichray/nvi2 +is a better upstream source these days +that uses +.Xr cmake 1 . +.Pp +With a port and support for +.Xr cmake 1 +in +.Pa Port.mk , +I can make changes to +.Pa CMakeLists.txt +files without issue. +I can also vendor upstreams +directly from git +rather than having to find +release tarballs with generated +.Pa configure +scripts and so on. +When I need to make changes +to the build systems of projects using autotools, +I either have to have autotools installed +(from outside my tree) +or painstakingly reflect my edits by hand +in the generated files, +both of which suck hard. +.El +. +.Pp +Ok so that's actually quite a number of ideas. +But they have come together +into something surprisingly usable +surprisingly quickly! +Like I said, +this is only intended to be +my own personal ports tree, +but I hope that some of these ideas +are interesting +and maybe inspire others +to explore similar approaches. +. +.Pp +But wait, +I'm not done yet! +There are some other interesting things +that I came up with along the way, +and also some complaints +about some upstreams, +but I'll try to keep those to a minimum. +. +.Pp +So it turns out that dependencies are hard. +Who knew? +It's easy enough to enforce +direct dependencies +at build time +by just checking for the required +.Pa Installed +symlinks. +It's less straightforward +to do this recursively, +which you need if +you want to be able to say, +.Do +Install +.Xr nvi +for me! +.Dc +and get +.Xr ncurses 3 , +.Xr cmake 1 +and +.Xr pkgconf 1 +installed first +if they aren't already. +. +.Pp +Rather than trying to do all that in +.Xr bmake 1 , +I wrote a shell script called +.Pa Plan , +which itself produces a shell script. +Given a list of ports +to install or upgrade, +it recursively gathers their dependencies +and feeds them to +.Xr tsort 1 , +which is a neat utility +which topologically sorts a graph. +In other words, +it determines the order +in which the graph of dependencies +should be installed. +The +.Pa Plan +script produces a list of +.Xr bmake 1 +commands to make that happen +on standard output, +which can be piped to +.Xr sh 1 . +So, +the way to say the above is: +.Bd -literal -offset ident +$ ./Plan -j4 nvi | sh -e +.Ed +. +.Pp +Now, +what's missing from this approach +is the ability to automatically +uninstall no-longer-needed dependencies. +It's something I've criticized Homebrew for lacking +and one of the reasons I started using MacPorts, +so it's somewhat ironic that +my own system lacks it as well. +However, +I don't think it's much of a problem, +since I'm only packaging +what I actually want installed +in the first place. +On my personal computer, +I have all 32 of my ports installed, +and I expect that to continue. +I can always keep using MacPorts +to install things I only intend +to use temporarily. +. +.Pp +Another thing I was slightly concerned about +from the beginning was disk usage. +I think the benefits of vendoring sources +far outweigh the cost in storage, +but it would be nice to at least minimize that cost. +Previously, +I wrote about +.Xr git-sparse-checkout 1 , +which allows you to only have certain paths +checked out in your git working tree. +Since port sources aren't always interesting +and only +.Em required +while actually building the port, +it makes sense to not have them always checked out. +. +.Pp +Rather than manipulate +.Xr git-sparse-checkout 1 +myself, +I added support for it +directly into +.Pa Port.mk . +If sparse checkout is enabled, +building a port will automatically +add its source tree to the checkout list, +and cleaning that port will +remove it from the list. +At rest, +only the port system itself +and the package tarballs +need to be present on the file system. +. +.Pp +It turns out that upstream +build system behaviour +is super inconsistent, +even among projects using +the same tools. +I started collecting a list of checks +to perform on the output of my port builds +to make sure they didn't do anything weird. +They live in +.Pa Check.sh , +which gets run +when a package tarball is created. +The current list of checks is: +.Bl -bullet +.It +Check for directories not included by +.Ev PACKAGE_DIRS . +In other words, +make sure the port isn't +trying to install anything +outside of +.Pa /usr/local . +Sometimes this makes sense, +though, +which is what +.Ev PACKAGE_DIRS +is for. +.It +Check for references to PWD, +i.e. the build directory. +This can mean the build +didn't understand +.Ev PREFIX +and +.Ev DESTDIR +correctly, +or that it built with debug info. +.It +Check for binaries without manuals. +If your software installs an executable in +.Pa bin +but not a manual page, +your software is incomplete! +Sometimes this just means +I missed an extra documentation install target. +.It +Check for dynamic linking to outside objects. +In other words, +if something ended up linking to +a library installed by MacPorts +rather than the one from +.Nm jorts +or macOS. +.It +Check for dynamic linking +to system libraries +.Nm jorts +provides instead. +Similar to the last one, +if both macOS and +.Nm jorts +provide a library, +check that ports link with the latter. +.It +Check for scripts with outside interpreters. +This is analogous to the linking checks +but for scripts, +checking that their shebang lines +refer to interpreters installed +by macOS or +.Nm jorts . +.El +. +.Pp +A number of my ports +still fail some of these checks, +but I have fixed a lot of problems +the script called out. +. +.Pp +Speaking of problem ports... +git's build system is truly awful. +I'm sorry, +it's just really disappointing. +On the upside though, +I did manage to patch it +to use +.Xr asciidoctor 1 +directly to generate manual pages +from asciidoc source, +rather than generating docbook or whatever +then converting that. +One less build dependency! +I also fixed up curl's +.Pa CMakeLists.txt +(which I guess are normally only used on Windows) +to build and install documentation properly. +And I got libcaca's Cocoa driver working again! +Very important to be able to run +.Xr cacafire 1 +in a Cocoa window. +. +.Pp +Shout out to SDL2, +which didn't require any patching +or extra options beyond +.Ev USE_CMAKE=yes . +Model upstream. +. +.Pp +Some other odds and ends: +I like being able to name ports how I want +(for example, +.Sy ag ) +and use my own port version convention, +using +.Ql + +to append VCS revisions +and +.Ql ~ +to append port revisions. +I don't think those are likely +to ever clash with upstream versioning schemes. +Not that I even need to follow upstream versioning. +There is no reason the version number of +.Xr dash 1 +should start with a zero. +. +.Pp +Speaking of versions, +a big downside of maintaining your own ports tree +is that you actually need to update it. +Thankfully, +once I packaged +.Xr curl 1 +and +.Xr jq 1 +(which needs a new release dammit, +it's been 4 years and the build is broken +on macOS), +I could use the Repology API +to check if I'm behind everyone else. +Far more reliable than +trying to automate checking upstreams +for new versions. +That lives in the +.Pa Outdated +shell script. +. +.Pp +Phew! +I wrote a lot about this. +It feels a little self-indulgent, +but I've had fun working on this +and want to share. +If anyone else tries anything similar, +or is weird enough to give +.Nm jorts +a try themselves, +I'd love to hear about it! +. +.Sh SEE ALSO +.Lk https://git.causal.agency/jorts/ +.Pp +.Lk https://youtu.be/Sx3ORAO1Y6s +. +.Sh AUTHORS +.An june Aq Mt june@causal.agency +.Pp +Listening to +.Em Arcade Fire \(em Arcade Fire (EP) , +.Em Arcade Fire \(em The Suburbs . +.Pp +Typed on a brand new +Leopold FC660M +with Cherry MX Red switches. +Lovely keyboard. diff --git a/www/text.causal.agency/034-voices.7 b/www/text.causal.agency/034-voices.7 new file mode 100644 index 00000000..4990295d --- /dev/null +++ b/www/text.causal.agency/034-voices.7 @@ -0,0 +1,56 @@ +.Dd March 5, 2022 +.Dt VOICES 7 +.Os "Causal Agency" +. +.Sh NAME +.Nm Voices +.Nd more kinds of them +. +.Sh DESCRIPTION +Welcome to the third time +I started writing this post! +I think the first time +was after watching a jan Misali video +that had clips of audio interviews in it. +It got me thinking about +how interesting it was +to hear someone's voice +without knowing anything else about them. +. +.Pp +That's pretty much all I managed to write +the first two times I started this. +If I get past this next sentence, +then I can probably finish the post. +What stopped me was that +all my thoughts and feelings about voices +are influenced by being trans +(and being a fan of other trans people), +and I thought, +.Dq I don't write about that here, +but why don't I? +I don't have to come out to my blog. +. +.Pp +So really what I have been wanting to say is this: +every trans woman's voice that I have heard +has sounded genuinely wonderful to me. +Especially if you're reading this +and we've been on a voice call before. +I know, +voices are the object of so much self-consciousness, +but I really wish they didn't have to be. +Most of us do not sound like cis women +and to me that is fine. +Good, actually. +Trans women sound like trans women. +As a voice appreciator, +I am so happy to hear more kinds. +. +.Sh AUTHORS +.An june Aq Mt june@causal.agency +.Pp +I've been watching some Vektroid streams lately, +and I love her voice. +It was another thing +reminding me to write this. diff --git a/www/text.causal.agency/035-addendum-2021.7 b/www/text.causal.agency/035-addendum-2021.7 new file mode 100644 index 00000000..262f2178 --- /dev/null +++ b/www/text.causal.agency/035-addendum-2021.7 @@ -0,0 +1,111 @@ +.Dd March 18, 2022 +.Dt ADDENDUM-2021 7 +.Os "Causal Agency" +. +.Sh NAME +.Nm Addendum 2021 +.Nd missed music +. +.Sh DESCRIPTION +I just realized that I totally forgot +some important music for me from last year +in my Albums 2021 post, +because it wasn't in my playlist. +Last year I watched +the Berserk anime from 1997, +and its soundtrack is incredible. +. +.Pp +Actually the only reason +I started watching it at all +was because of the music. +I was watching the wayneradiotv stream, +.Do +Mon repas durant un temps de tristesse; +un pizza je n'oublierai jamais +.Dc +and I was mesmerized by the Guts theme. +I had to find out what it was from. +This was also around the time +that Kentaro Miura died +so people were really talking about it. +Anyway just hearing +that part of the soundtrack +got me to start watching the anime, +since you can find it all on youtube. +. +.Pp +The anime in general did not disappoint. +Actually it's really fucking good, +and so is the rest of the soundtrack. +The title sequence and credits tracks +are so good that I let them play +every episode even though +I watched the series over only like 2 days. +. +.Pp +I absolutely love whatever genre this stuff is. +Is '90s anime intros its own genre? +Something about combining +acoustic and electric guitars, +maybe. +I'm also fond of +the poorly written english lyrics. +They're poetic in a distinctive way. +I feel the same about +that Shinsei Kamattechan +song that was used for the credits of +Attack on Titan season 2. +Honestly awesome to write lyrics +in a second language you haven't mastered. +. +.Pp +So, +the intro track, +.Em Tell Me Why . +First off, +that sword sound effect +near the beginning rules. +Put that in more songs. +What I really can't get enough of +on this track are +the quiet shouty vocals +a bit off to the left +during the chorus. +It's such a cool idea +to have clean lead vocals +and shouting in the background. +. +.Pp +And the credits track, +.Em "Waiting So Long" . +That first low note is so good. +This is really a perfect credits song +for the atmosphere of the show. +It's creeping. +The dual vocals +the whole way through +are such an interesting texture. +Both of these tracks +have really cool vocal sounds. +And that dirty final guitar chord +is a great sound to end on. +. +.Sh SEE ALSO +These aren't great quality uploads +but this stuff is sadly hard to find. +.Bl -tag -width Ds +.It "Guts" +.Lk https://youtu.be/vZa0Yh6e7dw +.It "Earth" +.Lk https://youtu.be/5iAViNf9Z4Y +.It "Penpals \(em Tell Me Why" +.Lk https://youtu.be/I2rV8oKWSdM +.It "Silver Fins \(em Waiting So Long" +.Lk https://youtu.be/70GD2SBCq64 +.El +. +.Sh AUTHORS +.An june Aq Mt june@causal.agency +.Pp +.Dq I like swinging my sword in battle. diff --git a/www/text.causal.agency/036-compassion.7 b/www/text.causal.agency/036-compassion.7 new file mode 100644 index 00000000..9d0d887d --- /dev/null +++ b/www/text.causal.agency/036-compassion.7 @@ -0,0 +1,105 @@ +.Dd March 31, 2022 +.Dt COMPASSION 7 +.Os "Causal Agency" +. +.Sh NAME +.Nm Compassion +.Nd better world fiction +. +.Sh DESCRIPTION +Recently I watched the film +.Em Margarita With a Straw . +I'm not sure how to feel +about some aspects of it, +but it tries to do a lot, +and I was still thinking about it +a couple days later. +. +.Pp +What really sticks out about it, +to me, +is that it is +better world fiction, +for lack of a better term. +It's a film about two characters +with disabilities, +but it doesn't play into tropes. +There's no big dramatic scene +where a character gets treated unfairly. +It doesn't really happen. +In the world of the movie, +most people are accepting, +patient +and compassionate. +That's not to say +there is no conflict. +The film is just telling a different story. +. +.Pp +The story takes place +in a better world. +Or maybe it takes place +in a world that exists +within our own, +hidden between the worse parts. +It's wonderfully subversive. +Because I went into the film +expecting at least one deeply upsetting +scene of discrimination. +What else would you expect +of a story like this one, +right? +But instead of being upset, +I was warmed. +It was so nice to see +the characters work through +their own problems +surrounded by simple kindness. +And when it was over, +I was left wanting +to move our world +closer to that one. +. +.Pp +That's what I love about this kind of fiction. +It's why I love the books of Becky Chambers so much. +They give me hope, +and guidance. +I count the +.Em Murderbot Diaries +series in this as well, +which shows a sort of bad world, +and an alternative. +I think it's so important +to see the good that exists +and the good that could exist. +Rather than something to fight against, +these stories show something to fight for. +A more compassionate world. +. +.Pp +I know, +one person can't change the world. +But they can change their own world, +and the worlds of those around them. +And slowly, +good things can spread. +I'll strive to be +more patient, +more understanding, +more compassionate, +and I hope you will too. +. +.Sh AUTHORS +.An june Aq Mt june@causal.agency +. +.Pp +I can't help but worry, +when I write something like this, +that someone I know will read it +and think that I'm lying +because I've hurt them. +If that's the case, +I am sorry, +and I promise +I am trying to do better. diff --git a/www/text.causal.agency/037-care.7 b/www/text.causal.agency/037-care.7 new file mode 100644 index 00000000..052a4727 --- /dev/null +++ b/www/text.causal.agency/037-care.7 @@ -0,0 +1,167 @@ +.Dd April 3, 2022 +.Dt CARE 7 +.Os "Causal Agency" +. +.Sh NAME +.Nm Care +.Nd trans stuff in Montreal +. +.Sh DESCRIPTION +This kind of info +is frustratingly hard to find +even from support orgs +and the like. +I think it's unlikely +that anyone in my blog's audience +is also someone who needs this info, +and my blog isn't easy to find either, +but I want to at least +make it available somewhere. +Really this is just like +the posts where I figure out +how to do something with a computer +then I write it down. +. +.Pp +Prices obviously change, +by which I mean they inevitably go up, +but I'm gonna give the amounts I paid +in 2021\(en2022. +Also if you want more details +about any of this +please email me. +I will be happy to tell you all about it. +. +.Ss Medication +I get HRT through +Dr. Gabrielle Landry +at La Clinique A, +which is a private clinic. +I've done everything over the phone. +After the first consultation, +I signed an informed consent form +and had a prescription the next day, +which I could start +after I got an initial blood test. +The information I found +said to contact a specific person +at the clinic with a direct phone number, +which is what I did. +Email me if you want that number. +. +.Pp +I paid $300 for the first consult, +$195 for the first followup, +and $75 for further followups. +I think annual appointments +are more expensive +than the followups. +I've been getting blood tests done at a CLSC, +which is free. +On the public drug insurance plan, +I paid $30-$35 +for my prescriptions +as my dosage increased. +I have private insurance now +that entirely covers prescriptions, +so I'm not sure what I'd be paying +for my current prescription +on the public plan. +. +.Ss Hair removal +I tried laser hair removal, +for longer than I should have. +It was a waste of time and money. +Do not believe any arguments about +its convenience over electrolysis. +. +.Pp +I've started getting electrolysis done +with Dimi. +Again, +feel free to email me for contact info. +He is very good and can do long sessions. +I really don't find it very painful, +which I think is partly my own pain tolerance +and partly good equipment and skill. +I've also found that taking acetaminophen beforehand +and dressing warmly to keep my body relaxed help. +I've paid $85 for hour-long sessions +and $160 for two-hour sessions. +I'm still early in treatment, +but I'm really happy with the results so far! +. +.Ss Sex & name change +The form for this is +.Do +Application to Change the Sex Designation +of a Person 18 Years of Age and Over +.Dc +from the +.Em Directeur de l'\('etat civil . +It's self-ID, +but you have to get it signed by +someone you know +and a commissioner for oaths. +Julien at P10 is qualified for that +and was super nice. +We did it over Zoom. +It's a free service, +so I made a donation to P10. +. +.Pp +I paid $144 to file mine +but it's now FREE +the first time you do it. +Also $17 to mail it. +Surprisingly, +I got an acknowledgment letter +.Po +just saying they got it +and would start looking at it +.Dq shortly +.Pc +like a week and a half +after I mailed the application. +My cheque was cashed +39 days after the date +on the acknowledgment, +and I got a +.Dq favourable decision +a week later. +It takes another 30 days +to get the certificate of change, +after which you can +order a new birth certificate +and RAMQ will (slowly) send you a form +to get a new card. +In all it took about 4 months +from when I mailed the application +to having ID with my name on it. +. +.Ss Therapy +I'm not seeking therapy +for gender specifically, +but I would like to find a good therapist +that's aware of it. +I'll update this +if I find one. +. +.Ss Piercings +Ok I know this isn't trans-specific +but at least for me getting piercings +was gender-affirming. +Cuz I got nipple piercings lol. +Anyway, +I went to Mauve. +They're super nice, +really know what they're doing, +and their website has lots of info. +. +.Sh AUTHORS +.An june Aq Mt june@causal.agency +. +.Pp +If somehow you did find this useful, +I'd love for you to email me +and let me know how things went for you. diff --git a/www/text.causal.agency/038-agency.7 b/www/text.causal.agency/038-agency.7 new file mode 100644 index 00000000..f99a070b --- /dev/null +++ b/www/text.causal.agency/038-agency.7 @@ -0,0 +1,85 @@ +.Dd April 14, 2022 +.Dt AGENCY 7 +.Os "Causal Agency" +. +.Sh NAME +.Nm Agency +.Nd origin of a name +. +.Sh DESCRIPTION +When I registered this domain name, +it was aspirational. +Intentionally so. +I wanted a new domain +for a new identity, +and I was thinking about personhood. +That's what causal agency means. +. +.Pp +It really was aspirational +for me at the time. +I spent a lot of time +wishing I could be a person, +because I didn't feel like one. +I didn't feel real, +like everyone else was. +I didn't have any power +over my own life. +Things just happened to me, +and I watched. +There wasn't really a +.Dq me +there. +The world was something that happened +but that I couldn't interact with. +I felt like that +for most of my life. +. +.Pp +But at some point +I decided that, +even if I wasn't now, +one day I hoped to be an actual real life person. +Like most programmers +I am dreadful at naming things, +so I didn't come up +with this clever domain name +myself. +I typed +.Dq person +into some thesaurus, +and it gave back +.Dq causal agent , +and I realized +agency is a TLD now. +. +.Pp +Maybe it's a little dramatic +to label myself with the thing +I didn't think I had. +But who knows, +maybe it helped. +Because it took a few years, +but I did become a person. +I feel real now. +I can change my own life +and the world around me. +I have causal agency. +. +.Pp +I am really proud of this domain name. +I'm proud to put it on everything I make. +Every instance of it +is a reminder +that I did what I set out to do, +and that I'm still doing it. +. +.Sh AUTHORS +.An june Aq Mt june@causal.agency +. +.Pp +If anything in this post resonates with you, +I want you to know that, +whatever you think you can't do, +it is possible, +and you'll get there one day. diff --git a/www/text.causal.agency/039-apologies.7 b/www/text.causal.agency/039-apologies.7 new file mode 100644 index 00000000..1b15076a --- /dev/null +++ b/www/text.causal.agency/039-apologies.7 @@ -0,0 +1,81 @@ +.Dd September 19, 2022 +.Dt APOLOGIES 7 +.Os "Causal Agency" +. +.Sh NAME +.Nm Apologies +.Nd making them +. +.Sh DESCRIPTION +Apologies are very important to me. +Unfortunately +I've only recently realized +how valuable they are. +I've tried to think about +what makes a good apology, +since it's not something +I was ever taught. +This is the advice +I came up with for myself, +on how to apologize. +. +.Bl -enum +.It +Make the apology. +This is the most important part. +If you feel guilty +for something you've done, +or think you might have hurt someone, +apologize. +Even if they don't need an apology, +saying sorry won't hurt. +And start with that. +Literally say +.Dq I'm sorry . +Sometimes people forget that. +.Pp +On the other side, +if you've been hurt by someone, +and you trust them, +let them know. +Give them a chance to apologize. +People don't always realize +they've made a mistake. +. +.It +Explain what you did wrong. +I think it's important +for the other person +to know you understand +how you've messed up. +Really think about this! +It's what will help you learn. +If you know you've hurt someone +but you're not sure why, +you can try asking them. +Take their answer seriously. +. +.It +Don't make excuses. +Do not talk about yourself. +Don't even mention +how you were feeling stressed that day, +or whatever. +It's not relevant. +We all make mistakes, +we all have bad days. +. +.It +Commit to doing better. +Try to learn from your mistakes. +Say it won't happen again. +Literally say +.Dq I won't do that again . +And then try your hardest to make that true. +An apology is a commitment, +not something you're done with +once you've said it. +.El +. +.Sh AUTHORS +.An june Aq Mt june@causal.agency diff --git a/www/text.causal.agency/040-sound-memory.7 b/www/text.causal.agency/040-sound-memory.7 new file mode 100644 index 00000000..c995de08 --- /dev/null +++ b/www/text.causal.agency/040-sound-memory.7 @@ -0,0 +1,165 @@ +.Dd November 14, 2022 +.Dt SOUND-MEMORY 7 +.Os "Causal Agency" +. +.Sh NAME +.Nm Sound Memory +.Nd associations +. +.Sh DESCRIPTION +.Ss Talking Heads \(em "Remain In Light" +The first time I gave this album a serious listen +was when I was going for several-hour walks +at 4 in the morning in, +I think, +fall 2020. +I would stay up all night, +go out walking at 4am +for a couple hours, +come home, +eat +.Dq breakfast +and go to sleep. +I listened to this album +walking on completely empty +big city streets +in the dark. +. +.Ss Buffy Sainte-Marie \(em Up Where We Belong +I started listening to this album +after hearing it many mornings +walking into the cafe on my block +back in 2019. +I could tell Vincent was working +if I heard this when I opened the door. +. +.Ss Molasses \(em Trilogie: Toil & Peaceful Life +I listened to this when I had 8am classes +in CEGEP. +In particular my first semester philosophy course, +which was in the forum. +I usually got there even earlier +because of how the bus schedules worked out. +There was another girl in my class, +who I always sat next to, +who also got there early, +but we never spoke outside of class. +. +.Ss Arcade Fire \(em Funeral +This album just feels like walking outside +in fresh snow in early winter, +you know? +. +.Ss Molasses \(em Trouble at Jinx Hotel +I listened to this when I was looking for an apartment. +I specifically remember listening to it +walking down Clark toward my new place +to pick up my keys. +. +.Ss Arcade Fire \(em Neon Bible +The song +.Dq "No Cars Go" +is strongly associated for me +with my earliest gender feelings. +It's how I date when I first +started to feel like something was wrong. +The Suburbs was released in 2010, +so I was probably listening to Neon Bible +in 2011. +Ten years between that +and coming out. +. +.Ss "Do Make Say Think" \(em "You You're a History In Rust" +I remember hearing +.Dq "A Tender History In Rust" +for the first time +at the office of my first job. +Me and my coworkers stayed late, +probably on a Friday night, +drinking free tech startup booze. +. +.Ss mewithoutYou \(em It's All Crazy! It's All False! It's All a Dream! It's Alright +I exclusively listened to this album +on a high school trip to Europe. +Every morning when we got on the bus, +I heard +.Dq Every Thought a Thought of You +and every night before bed +I listened to +.Dq The King Beetle on a Coconut Estate . +. +.Ss Arcade Fire \(em The Suburbs +I listened to this album a tonne +when I was playing +Minecraft and Urban Terror +with my online friends +while I was in high school. +In particular I remember +a backyard shed World of Padman map +and the apartments Minecraft world. +. +.Ss Arcade Fire \(em Reflektor +I associate +.Dq Afterlife +with the walk between Laurier metro +and my first job, +in the winter. +Must've just been how the timing worked out +with my commute at the time. +. +.Ss Swans \(em To Be Kind +I listened to this on one of my playthroughs +of Half-Life 2. +In particular I associate +.Dq Bring the Sun / Toussaint L'Ouverture +with the Water Hazard chapter. +. +.Ss Wrekmeister Harmonies \(em Light Falls +For a while I put this on whenever I +left my apartment to go somewhere +and it was already dark, +so probably winter. +. +.Ss St. Vincent \(em MASSEDUCTION +This, +along with the next one, +I think were all I listened to +on a family vacation +to Quebec City and New Brunswick +some years ago. +. +.Ss SOPHIE \(em Oil of Every Pearl's Un-Insides +Many hours on the road +on that family vacation. +Two albums on repeat. +. +.Ss Julia Holter \(em Aviary +This is another album +I listened to when I was taking +walks at 4am. +I wasn't in a good place. +Yet. +. +.Ss Beep Test \(em Laugh Track +A tape from the first act +at one of my favourite shows +I've ever been to, +at La Sotterenea +in Suoni 2019. +I wish I had been out already. +. +.Ss The Armed \(em Only Love +The third of the albums I listened to +on those dark walks. +I listened to it loud, +this album's mixing needs it. +. +.Ss Eliza Kavtion \(em The Rez That Summer +A favourite local artist. +I remember vividly the first time +I heard her play, +opening for Wrekmeister Harmonies +at La Vitrola in 2018. +. +.Sh AUTHORS +.An june Aq Mt june@causal.agency diff --git a/www/text.causal.agency/041-albums-2022.7 b/www/text.causal.agency/041-albums-2022.7 new file mode 100644 index 00000000..48bd3c3d --- /dev/null +++ b/www/text.causal.agency/041-albums-2022.7 @@ -0,0 +1,185 @@ +.Dd December 21, 2022 +.Dt ALBUMS-2022 7 +.Os "Causal Agency" +. +.Sh NAME +.Nm albums 2022 +.Nd review +. +.Sh DESCRIPTION +it's the year-end review +of albums I listened to. +same as last year, +I added any albums I got into +this year to a playlist. +I've actually done that +every year since 2018. +maybe I'll review +those old playlists some time. +. +.Ss ZHAOZE \(em SUMMER INSECTS TALK ABOUT ICE (2021) +it's a five-and-a-half-minute album! +you can loop it however long you want. +it's really lovely. +.Pp +favourite track: +ON HORSEBACK, TO FARAWAY +. +.Ss KATE BUSH \(em HOUNDS OF LOVE (1985) +first of all I do not watch that one show. +I've known that track for a while actually. +I mean I probably first heard the CHROMATICS cover. +but anyway, +I think someone mentioned this album +on IRC at just the right time +and I put it on. +the second half really shines tbh. +love a concept album. +.Pp +favourite tracks: +RUNNING UP THAT HILL, +HOUNDS OF LOVE, +AND DREAM OF SHEEP, +WATCHING YOU WITHOUT ME, +THE MORNING FOG. +. +.Ss GODSPEED YOU! BLACK EMPEROR \(em ALL LIGHTS FUCKED ON THE HAIRY AMP DROOLING (1994) +didn't expect to hear this probably ever. +still wild that it finally got uploaded. +and to be honest I'm a little mad +that it's actually good. +like yeah it's not a godspeed album +but it holds up as a tape on its own. +it's the kind of shit I listen to. +also can't believe some people +still thought it was fake. +like have you not heard +any other efrim menuck projects? +.Pp +favourite tracks: +$13.13, +DIMINISHING SHINE, +DADMOMDADDY, +333 FRAMES PER SECOND, +ALL ANGELS GONE. +. +.Ss BLACK DRESSES \(em FORGET YOUR OWN FACE (2022) +woops I think I only listened to this like twice. +will need to revisit it later for sure. +I'll like it. +. +.Ss BACKXWASH \(em I LIE HERE BURIED WITH MY RINGS AND MY DRESSES (2021) +only got into this album +after hearing it live this summer. +was the first show I went to in years +and it was really fucking good. +gotta listen to this shit loud. +sampling godspeed for a beat fucks. +honestly back to back bangers. +.Pp +favourite tracks: +I LIE HERE BURIED WITH MY RINGS AND MY DRESSES, +TERROR PACKETS, +SONG OF SINNERS, +BURN TO ASHES. +. +.Ss PHILIP GLASS ENSEMBLE \(em EINSTEIN ON THE BEACH (1979) +actually just the knee plays +because I can't be bothered +listening to all of it. +and I'm embarrassed by how much +I enjoy this avant-garde bullshit. +like ok just sing repeating numbers at me +and my brain is happy. +what is this? +my kink? +anyway I also have kind of an obsession +with the +.Dq story of love +in knee 5. +I fucking hate it. +but it's delivered so well. +and that violin though! +.Pp +favourite tracks: +KNEE 1, +KNEE 5. +. +.Ss KANYE WEST \(em YEEZUS (2013) +ok look I listened to this +before recent events. +what the fuck. +it's a really good album though? +pretty sure I listened to it +because bound 2 kept getting in my head, +because of that minecraft parody parody +wayne did ages ago. +.Pp +favourite tracks: +BLACK SKINHEAD, +HOLD MY LIQUOR, +BLOOD ON THE LEAVES, +BOUND 2. +. +.Ss FLYING RACCOON SUIT \(em AFTERGLOW (2021) +I've listened to the whole album +a few times +but I'm mostly just here +for the title track. +this also happened to be +dropped in IRC at just the right time. +good ska-punk-type shit. +and I like lisps ok. +.Pp +favourite track: +AFTERGLOW. +. +.Ss RAMSHACKLE GLORY \(em LIVE THE DREAM (2011) +one of those albums +I don't know why I took so long +to get to. +I've been listening to johnny hobo +since I was like in high school. +ramshackle is a little more hopeful +and I love that. +your heart is a muscle the size of your fist. +keep on loving. +keep on fighting. +.Pp +favourite tracks: +WE ARE ALL COMPOST IN TRAINING, +NEVER COMING HOME, +YOUR HEART IS A MUSCLE THE SIZE OF YOUR FIST. +. +.Ss LES RALLIZES D\('ENUD\('ES \(em THE OZ TAPES (2022) +a pleasant surprise in someone's playlist. +lately I've been listening to this +in the metro to or from electrolysis. +it's good listening for that. +bold to have two versions +of the same 24-minute song +on the same release. +.Pp +favourite tracks: +A SHADOW ON OUR JOY, +THE LAST ONE_1970 (ver.2). +. +.Ss LINGUA IGNOTA \(em SINNER GET READY (2021) +another I'm only getting into +after hearing it live. +just last sunday actually. +was a good show. +people will go wild +to hear a cover live for real. +.Pp +favourite tracks: +I WHO BEND THE TALL GRASSES, +PENNSYLVANIA FURNACE, +PERPETUAL FLAME OF CENTRALIA. +. +.Sh AUTHORS +.An june Aq Mt june@causal.agency +.Pp +I started writing this +before I saw LINGUA IGNOTA. +good thing I waited. diff --git a/www/text.causal.agency/042-comfort-music.7 b/www/text.causal.agency/042-comfort-music.7 new file mode 100644 index 00000000..445e04c3 --- /dev/null +++ b/www/text.causal.agency/042-comfort-music.7 @@ -0,0 +1,62 @@ +.Dd February 23, 2024 +.Dt COMFORT-MUSIC 7 +.Os "Causal Agency" +. +.Sh NAME +.Nm comfort music +.Nd feel better +. +.Sh DESCRIPTION +it's been a while. +and I'm on almost no sleep +and haven't eaten a real meal +since noon. +which is a state I've written +at least a couple posts in before, +so what better time +to return to what has apparently +become this blog's format: +lists of some music I like. +. +.Pp +this is a list of music that comforts me. +. +.Bl -bullet +.It +knee play 5, from einstein on the beach. +I like the organ and the counting and the cadence of the story. +.It +low \(em words. +and I'm tired. +.It +godspeed you! black emperor \(em storm. +this is like my original comfort music. +been listening to it since I was teenage. +the grooves are worn deep in my mind. +.It +set fire to flames \(em love song for 15 ontario (w/ singing police car). +I like how it ends. +.It +va, from the beginner's guide. +I think that's the whole point. +though maybe it's too sad +to be truly comforting. +.It +undertale, from undertale. +what can I say? +.It +wrekmeister harmonies \(em covered in blood from invisible wounds. +I find quite a bit of the album comforting really. +I'm picking this one because I like the cadence +of the lyrics. +.It +lingua ignota \(em pennsylvania furnace and perpetual flame of centralia. +these are really my go to in recent times. +I like waiting for the next line. +.El +. +.Sh AUTHORS +.An june Aq Mt june@causal.agency +.Pp +I don't think I've said anything +very interesting here. diff --git a/www/text.causal.agency/043-little-blessings.7 b/www/text.causal.agency/043-little-blessings.7 new file mode 100644 index 00000000..957c6289 --- /dev/null +++ b/www/text.causal.agency/043-little-blessings.7 @@ -0,0 +1,78 @@ +.Dd March 24, 2024 +.Dt LITTLE-BLESSINGS 7 +.Os "Causal Agency" +. +.Sh NAME +.Nm little blessings +.Nd life's +. +.Sh DESCRIPTION +today I went out to go around. +run some errands and do some shopping. +along the way I was given +several of life's little blessings. +. +.Pp +while walking on ste-cath +between berri and complexe desjardins, +there was a somewhat disheveled man +walking in the same direction and singing. +he had a beautiful voice. +he was singing a sad song in french, +and he sung it well and enunciated every word. +. +.Pp +in the mcdonald's at complexe desjardins, +while waiting for my order, +there were what appeared to be +a teenager and her younger brother, +who must have been +looking at the display of +current happy meal toys. +the teenager was playing smash or pass, +to the amusement of the younger one. +they got ice cream +and ate it across the room from me downstairs. +. +.Pp +later, +taking the 24 home from atwater +carrying my new vacuum cleaner, +the bus got lost. +I think the driver missed the stop +and tried to compensate +by turning north onto peel +and stopping there. +but then he had to keep going up peel. +he turned right onto docteur-penfield, +which just brings you further up the mountain. +when it met des pins, +he turned left and pulled over, +asking for guidance over the radio. +we got moving again, +back towards peel. +that's how I ended up +on a 24 +.Dq sherbrooke +east, +facing west on des pins. +it was actually quite scenic. +and amusing. +I was in no rush. +. +.Pp +after getting back onto sherbrooke, +the bus had to take another detour, +this one planned. +so my ride on the 24, +which normally only drives on sherbrooke, +ended up going on peel, +docteur-penfield, +des pins, +de bleury, +ren\('e-l\('evesque +and saint-laurent. +it was a very exciting bus trip. +. +.Sh AUTHORS +.An june Aq Mt june@causal.agency diff --git a/www/text.causal.agency/Makefile b/www/text.causal.agency/Makefile new file mode 100644 index 00000000..a8683a20 --- /dev/null +++ b/www/text.causal.agency/Makefile @@ -0,0 +1,66 @@ +WEBROOT = /var/www/text.causal.agency + +TXTS += 001-make.txt +TXTS += 002-writing-mdoc.txt +TXTS += 003-pleasant-c.txt +TXTS += 004-uloc.txt +TXTS += 005-testing-c.txt +TXTS += 006-some-libs.txt +TXTS += 007-cgit-setup.txt +TXTS += 008-how-irc.txt +TXTS += 009-casual-update.txt +TXTS += 010-irc-suite.txt +TXTS += 011-libretls.txt +TXTS += 012-inability.txt +TXTS += 013-hot-tips.txt +TXTS += 014-using-vi.txt +TXTS += 015-reusing-tags.txt +TXTS += 016-using-openbsd.txt +TXTS += 017-unpasswords.txt +TXTS += 018-operating-systems.txt +TXTS += 019-mailing-list.txt +TXTS += 020-c-style.txt +TXTS += 021-time-machine.txt +TXTS += 022-swans-are-dead.txt +TXTS += 023-sparse-checkout.txt +TXTS += 024-seprintf.txt +TXTS += 025-v6-pwd.txt +TXTS += 026-git-comment.txt +TXTS += 027-openbsd-linode.txt +TXTS += 028-names.txt +TXTS += 029-topics.txt +TXTS += 030-discs.txt +TXTS += 031-books-2021.txt +TXTS += 032-albums-2021.txt +TXTS += 033-jorts.txt +TXTS += 034-voices.txt +TXTS += 035-addendum-2021.txt +TXTS += 036-compassion.txt +TXTS += 037-care.txt +TXTS += 038-agency.txt +TXTS += 039-apologies.txt +TXTS += 040-sound-memory.txt +TXTS += 041-albums-2022.txt +TXTS += 042-comfort-music.txt +TXTS += 043-little-blessings.txt + +all: colb ${TXTS} + +.SUFFIXES: .7 .fmt .txt + +.7.txt: + mandoc -T utf8 $< | ./colb > $@ + touch -m -r $< $@ + +.fmt.txt: + fmt $< | sed '1,/^$$/d' > $@ + touch -m -r $< $@ + +feed.atom: feed.sh colb ${TXTS} + sh feed.sh > feed.atom + +clean: + rm -f colb ${TXTS} feed.atom + +install: colb ${TXTS} feed.atom + install -p -m 644 ${TXTS} feed.atom ${WEBROOT} diff --git a/www/text.causal.agency/colb.c b/www/text.causal.agency/colb.c new file mode 100644 index 00000000..5faabc3a --- /dev/null +++ b/www/text.causal.agency/colb.c @@ -0,0 +1,16 @@ +#include <locale.h> +#include <stdio.h> +#include <wchar.h> +int main(void) { + setlocale(LC_CTYPE, "en_US.UTF-8"); + wint_t next, prev = WEOF; + while (WEOF != (next = getwchar())) { + if (next == L'\b') { + prev = WEOF; + } else { + if (prev != WEOF) putwchar(prev); + prev = next; + } + } + if (prev != WEOF) putwchar(prev); +} diff --git a/www/text.causal.agency/feed.sh b/www/text.causal.agency/feed.sh new file mode 100644 index 00000000..71bbf662 --- /dev/null +++ b/www/text.causal.agency/feed.sh @@ -0,0 +1,58 @@ +#!/bin/sh +set -eu + +readonly Root='https://text.causal.agency' + +updated=$(date -u '+%FT%TZ') +cat <<-EOF + <?xml version="1.0" encoding="utf-8"?> + <feed xmlns="http://www.w3.org/2005/Atom"> + <title>Causal Agency</title> + <author><name>June</name><email>june@causal.agency</email></author> + <link href="${Root}"/> + <link rel="self" href="${Root}/feed.atom"/> + <id>${Root}/</id> + <updated>${updated}</updated> +EOF + +encode() { + sed ' + s/&/\&/g + s/</\</g + s/"/\"/g + ' "$@" +} + +set -- *.txt +shift $(( $# - 20 )) +for txt; do + entry="${txt%.txt}.7" + test -f "$entry" || entry="${txt%.txt}.fmt" + date=$(grep '^[.]Dd' "$entry" | cut -c 5-) + title=$(grep -m 1 '^[.]Nm' "$entry" | cut -c 5- | encode) + summary=$(grep '^[.]Nd' "$entry" | cut -c 5- | encode) + published=$(date -ju -f '%B %d, %Y %T' "${date} 00:00:00" '+%FT%TZ') + mtime=$(stat -f '%m' "$entry") + updated=$(date -ju -f '%s' "$mtime" '+%FT%TZ') + cat <<-EOF + <entry> + <title>${title}</title> + <summary>${summary}</summary> + <link href="${Root}/${txt}"/> + <id>${Root}/${txt}</id> + <published>${published}</published> + <updated>${updated}</updated> + <content type="xhtml"> + <div xmlns="http://www.w3.org/1999/xhtml"> + EOF + printf '<pre>' + encode "$txt" + cat <<-EOF + </pre> + </div> + </content> + </entry> + EOF +done + +echo '</feed>' |