diff options
| -rw-r--r-- | bin/.gitignore | 1 | ||||
| -rw-r--r-- | bin/Makefile | 2 | ||||
| -rw-r--r-- | bin/README.7 | 4 | ||||
| -rw-r--r-- | bin/hnel.c | 120 | ||||
| -rw-r--r-- | bin/man1/hnel.1 | 36 |
5 files changed, 1 insertions, 162 deletions
diff --git a/bin/.gitignore b/bin/.gitignore index f39282cd..be0a8004 100644 --- a/bin/.gitignore +++ b/bin/.gitignore @@ -13,7 +13,6 @@ fbclock freecell glitch hilex -hnel htagml htmltags modem diff --git a/bin/Makefile b/bin/Makefile index cd7f7c68..14ad94eb 100644 --- a/bin/Makefile +++ b/bin/Makefile @@ -14,7 +14,6 @@ BINS += c BINS += dtch BINS += glitch BINS += hilex -BINS += hnel BINS += htagml BINS += modem BINS += mtags @@ -54,7 +53,6 @@ LDLIBS.dtch = -lutil LDLIBS.fbclock = -lz LDLIBS.freecell = -lcurses LDLIBS.glitch = -lz -LDLIBS.hnel = -lutil LDLIBS.modem = -lutil LDLIBS.pngo = -lz LDLIBS.ptee = -lutil diff --git a/bin/README.7 b/bin/README.7 index c85a6ce0..0ff46eab 100644 --- a/bin/README.7 +++ b/bin/README.7 @@ -1,4 +1,4 @@ -.Dd April 17, 2021 +.Dd April 26, 2021 .Dt BIN 7 .Os "Causal Agency" . @@ -40,8 +40,6 @@ patience game PNG glitcher .It Xr hilex 1 syntax highlighter -.It Xr hnel 1 -PTY input remapper .It Xr htagml 1 tags HTMLizer .It Xr modem 1 diff --git a/bin/hnel.c b/bin/hnel.c deleted file mode 100644 index 4fcc42a1..00000000 --- a/bin/hnel.c +++ /dev/null @@ -1,120 +0,0 @@ -/* 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 <err.h> -#include <poll.h> -#include <stdbool.h> -#include <stdlib.h> -#include <string.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 char byte; - -static struct termios saveTerm; -static void restoreTerm(void) { - tcsetattr(STDIN_FILENO, TCSADRAIN, &saveTerm); -} - -int main(int argc, char *argv[]) { - int error; - - if (argc < 4) return EX_USAGE; - - byte table[256] = {0}; - if (strlen(argv[1]) != strlen(argv[2])) return EX_USAGE; - for (const char *from = argv[1], *to = argv[2]; *from; ++from, ++to) { - table[(byte)*from] = *to; - } - - error = tcgetattr(STDERR_FILENO, &saveTerm); - if (error) err(EX_IOERR, "tcgetattr"); - atexit(restoreTerm); - - struct termios raw = saveTerm; - cfmakeraw(&raw); - error = tcsetattr(STDERR_FILENO, TCSADRAIN, &raw); - if (error) err(EX_IOERR, "tcsetattr"); - - struct winsize window; - error = ioctl(STDERR_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[3], &argv[3]); - err(EX_NOINPUT, "%s", argv[3]); - } - - bool enable = true; - - byte buf[4096]; - struct pollfd fds[2] = { - { .fd = STDIN_FILENO, .events = POLLIN }, - { .fd = pty, .events = POLLIN }, - }; - while (0 < poll(fds, 2, -1)) { - if (fds[0].revents & POLLIN) { - ssize_t readSize = read(STDIN_FILENO, buf, sizeof(buf)); - if (readSize < 0) err(EX_IOERR, "read(%d)", STDIN_FILENO); - - if (readSize == 1) { - if (buf[0] == CTRL('S')) { - enable ^= true; - continue; - } - - byte c = buf[0]; - if (enable && table[c]) buf[0] = table[c]; - } - - ssize_t writeSize = write(pty, buf, readSize); - if (writeSize < 0) err(EX_IOERR, "write(%d)", pty); - if (writeSize < readSize) errx(EX_IOERR, "short write(%d)", pty); - } - - if (fds[1].revents & POLLIN) { - ssize_t readSize = read(pty, buf, sizeof(buf)); - if (readSize < 0) err(EX_IOERR, "read(%d)", pty); - - ssize_t writeSize = write(STDOUT_FILENO, buf, readSize); - if (writeSize < 0) err(EX_IOERR, "write(%d)", STDOUT_FILENO); - if (writeSize < readSize) { - errx(EX_IOERR, "short write(%d)", STDOUT_FILENO); - } - } - - int status; - pid_t dead = waitpid(pid, &status, WNOHANG); - if (dead < 0) err(EX_OSERR, "waitpid(%d)", pid); - if (dead) return WIFEXITED(status) ? WEXITSTATUS(status) : EX_SOFTWARE; - } - err(EX_IOERR, "poll"); -} diff --git a/bin/man1/hnel.1 b/bin/man1/hnel.1 deleted file mode 100644 index 82305be8..00000000 --- a/bin/man1/hnel.1 +++ /dev/null @@ -1,36 +0,0 @@ -.Dd July 8, 2019 -.Dt HNEL 1 -.Os -. -.Sh NAME -.Nm hnel -.Nd PTY input remapper -. -.Sh SYNOPSIS -.Nm -.Ar string1 -.Ar string2 -.Ar command ... -. -.Sh DESCRIPTION -.Nm -runs the -.Ar command -in a new PTY, -remapping input characters in -.Ar string1 -to the corresponding characters in -.Ar string2 . -Type -.Ic ^S -to toggle remapping. -. -.Sh EXAMPLES -.Dl hnel '[]{}' '{}[]' vim -. -.Sh SEE ALSO -.Xr tr 1 -. -.Sh BUGS -Window size changes are not propagated -to the child PTY. |