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-rw-r--r--bin/cash/miscbltin.c534
1 files changed, 0 insertions, 534 deletions
diff --git a/bin/cash/miscbltin.c b/bin/cash/miscbltin.c
deleted file mode 100644
index 7f0c42e7..00000000
--- a/bin/cash/miscbltin.c
+++ /dev/null
@@ -1,534 +0,0 @@
-/*-
- * SPDX-License-Identifier: BSD-3-Clause
- *
- * Copyright (c) 1991, 1993
- *	The Regents of the University of California.  All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * Kenneth Almquist.
- *
- * 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.
- */
-
-#ifndef lint
-#if 0
-static char sccsid[] = "@(#)miscbltin.c	8.4 (Berkeley) 5/4/95";
-#endif
-#endif /* not lint */
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD: releng/12.0/bin/sh/miscbltin.c 326025 2017-11-20 19:49:47Z pfg $");
-
-/*
- * Miscellaneous builtins.
- */
-
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <sys/time.h>
-#include <sys/resource.h>
-#include <unistd.h>
-#include <errno.h>
-#include <stdint.h>
-#include <stdio.h>
-#include <stdlib.h>
-
-#include "shell.h"
-#include "options.h"
-#include "var.h"
-#include "output.h"
-#include "memalloc.h"
-#include "error.h"
-#include "mystring.h"
-#include "syntax.h"
-#include "trap.h"
-
-#undef eflag
-
-int readcmd(int, char **);
-int umaskcmd(int, char **);
-int ulimitcmd(int, char **);
-
-/*
- * The read builtin.  The -r option causes backslashes to be treated like
- * ordinary characters.
- *
- * This uses unbuffered input, which may be avoidable in some cases.
- *
- * Note that if IFS=' :' then read x y should work so that:
- * 'a b'	x='a', y='b'
- * ' a b '	x='a', y='b'
- * ':b'		x='',  y='b'
- * ':'		x='',  y=''
- * '::'		x='',  y=''
- * ': :'	x='',  y=''
- * ':::'	x='',  y='::'
- * ':b c:'	x='',  y='b c:'
- */
-
-int
-readcmd(int argc __unused, char **argv __unused)
-{
-	char **ap;
-	int backslash;
-	char c;
-	int rflag;
-	char *prompt;
-	const char *ifs;
-	char *p;
-	int startword;
-	int status;
-	int i;
-	int is_ifs;
-	int saveall = 0;
-	ptrdiff_t lastnonifs, lastnonifsws;
-	struct timeval tv;
-	char *tvptr;
-	fd_set ifds;
-	ssize_t nread;
-	int sig;
-
-	rflag = 0;
-	prompt = NULL;
-	tv.tv_sec = -1;
-	tv.tv_usec = 0;
-	while ((i = nextopt("erp:t:")) != '\0') {
-		switch(i) {
-		case 'p':
-			prompt = shoptarg;
-			break;
-		case 'e':
-			break;
-		case 'r':
-			rflag = 1;
-			break;
-		case 't':
-			tv.tv_sec = strtol(shoptarg, &tvptr, 0);
-			if (tvptr == shoptarg)
-				error("timeout value");
-			switch(*tvptr) {
-			case 0:
-			case 's':
-				break;
-			case 'h':
-				tv.tv_sec *= 60;
-				/* FALLTHROUGH */
-			case 'm':
-				tv.tv_sec *= 60;
-				break;
-			default:
-				error("timeout unit");
-			}
-			break;
-		}
-	}
-	if (prompt && isatty(0)) {
-		out2str(prompt);
-		flushall();
-	}
-	if (*(ap = argptr) == NULL)
-		error("arg count");
-	if ((ifs = bltinlookup("IFS", 1)) == NULL)
-		ifs = " \t\n";
-
-	if (tv.tv_sec >= 0) {
-		/*
-		 * Wait for something to become available.
-		 */
-		FD_ZERO(&ifds);
-		FD_SET(0, &ifds);
-		status = select(1, &ifds, NULL, NULL, &tv);
-		/*
-		 * If there's nothing ready, return an error.
-		 */
-		if (status <= 0) {
-			sig = pendingsig;
-			return (128 + (sig != 0 ? sig : SIGALRM));
-		}
-	}
-
-	status = 0;
-	startword = 2;
-	backslash = 0;
-	STARTSTACKSTR(p);
-	lastnonifs = lastnonifsws = -1;
-	for (;;) {
-		nread = read(STDIN_FILENO, &c, 1);
-		if (nread == -1) {
-			if (errno == EINTR) {
-				sig = pendingsig;
-				if (sig == 0)
-					continue;
-				status = 128 + sig;
-				break;
-			}
-			warning("read error: %s", strerror(errno));
-			status = 2;
-			break;
-		} else if (nread != 1) {
-			status = 1;
-			break;
-		}
-		if (c == '\0')
-			continue;
-		CHECKSTRSPACE(1, p);
-		if (backslash) {
-			backslash = 0;
-			if (c != '\n') {
-				startword = 0;
-				lastnonifs = lastnonifsws = p - stackblock();
-				USTPUTC(c, p);
-			}
-			continue;
-		}
-		if (!rflag && c == '\\') {
-			backslash++;
-			continue;
-		}
-		if (c == '\n')
-			break;
-		if (strchr(ifs, c))
-			is_ifs = strchr(" \t\n", c) ? 1 : 2;
-		else
-			is_ifs = 0;
-
-		if (startword != 0) {
-			if (is_ifs == 1) {
-				/* Ignore leading IFS whitespace */
-				if (saveall)
-					USTPUTC(c, p);
-				continue;
-			}
-			if (is_ifs == 2 && startword == 1) {
-				/* Only one non-whitespace IFS per word */
-				startword = 2;
-				if (saveall) {
-					lastnonifsws = p - stackblock();
-					USTPUTC(c, p);
-				}
-				continue;
-			}
-		}
-
-		if (is_ifs == 0) {
-			/* append this character to the current variable */
-			startword = 0;
-			if (saveall)
-				/* Not just a spare terminator */
-				saveall++;
-			lastnonifs = lastnonifsws = p - stackblock();
-			USTPUTC(c, p);
-			continue;
-		}
-
-		/* end of variable... */
-		startword = is_ifs;
-
-		if (ap[1] == NULL) {
-			/* Last variable needs all IFS chars */
-			saveall++;
-			if (is_ifs == 2)
-				lastnonifsws = p - stackblock();
-			USTPUTC(c, p);
-			continue;
-		}
-
-		STACKSTRNUL(p);
-		setvar(*ap, stackblock(), 0);
-		ap++;
-		STARTSTACKSTR(p);
-		lastnonifs = lastnonifsws = -1;
-	}
-	STACKSTRNUL(p);
-
-	/*
-	 * Remove trailing IFS chars: always remove whitespace, don't remove
-	 * non-whitespace unless it was naked
-	 */
-	if (saveall <= 1)
-		lastnonifsws = lastnonifs;
-	stackblock()[lastnonifsws + 1] = '\0';
-	setvar(*ap, stackblock(), 0);
-
-	/* Set any remaining args to "" */
-	while (*++ap != NULL)
-		setvar(*ap, "", 0);
-	return status;
-}
-
-
-
-int
-umaskcmd(int argc __unused, char **argv __unused)
-{
-	char *ap;
-	int mask;
-	int i;
-	int symbolic_mode = 0;
-
-	while ((i = nextopt("S")) != '\0') {
-		symbolic_mode = 1;
-	}
-
-	INTOFF;
-	mask = umask(0);
-	umask(mask);
-	INTON;
-
-	if ((ap = *argptr) == NULL) {
-		if (symbolic_mode) {
-			char u[4], g[4], o[4];
-
-			i = 0;
-			if ((mask & S_IRUSR) == 0)
-				u[i++] = 'r';
-			if ((mask & S_IWUSR) == 0)
-				u[i++] = 'w';
-			if ((mask & S_IXUSR) == 0)
-				u[i++] = 'x';
-			u[i] = '\0';
-
-			i = 0;
-			if ((mask & S_IRGRP) == 0)
-				g[i++] = 'r';
-			if ((mask & S_IWGRP) == 0)
-				g[i++] = 'w';
-			if ((mask & S_IXGRP) == 0)
-				g[i++] = 'x';
-			g[i] = '\0';
-
-			i = 0;
-			if ((mask & S_IROTH) == 0)
-				o[i++] = 'r';
-			if ((mask & S_IWOTH) == 0)
-				o[i++] = 'w';
-			if ((mask & S_IXOTH) == 0)
-				o[i++] = 'x';
-			o[i] = '\0';
-
-			out1fmt("u=%s,g=%s,o=%s\n", u, g, o);
-		} else {
-			out1fmt("%.4o\n", mask);
-		}
-	} else {
-		if (is_digit(*ap)) {
-			mask = 0;
-			do {
-				if (*ap >= '8' || *ap < '0')
-					error("Illegal number: %s", *argptr);
-				mask = (mask << 3) + (*ap - '0');
-			} while (*++ap != '\0');
-			umask(mask);
-		} else {
-			void *set;
-			INTOFF;
-			if ((set = setmode (ap)) == NULL)
-				error("Illegal number: %s", ap);
-
-			mask = getmode (set, ~mask & 0777);
-			umask(~mask & 0777);
-			free(set);
-			INTON;
-		}
-	}
-	return 0;
-}
-
-/*
- * ulimit builtin
- *
- * This code, originally by Doug Gwyn, Doug Kingston, Eric Gisin, and
- * Michael Rendell was ripped from pdksh 5.0.8 and hacked for use with
- * ash by J.T. Conklin.
- *
- * Public domain.
- */
-
-struct limits {
-	const char *name;
-	const char *units;
-	int	cmd;
-	short	factor;	/* multiply by to get rlim_{cur,max} values */
-	char	option;
-};
-
-static const struct limits limits[] = {
-#ifdef RLIMIT_CPU
-	{ "cpu time",		"seconds",	RLIMIT_CPU,	   1, 't' },
-#endif
-#ifdef RLIMIT_FSIZE
-	{ "file size",		"512-blocks",	RLIMIT_FSIZE,	 512, 'f' },
-#endif
-#ifdef RLIMIT_DATA
-	{ "data seg size",	"kbytes",	RLIMIT_DATA,	1024, 'd' },
-#endif
-#ifdef RLIMIT_STACK
-	{ "stack size",		"kbytes",	RLIMIT_STACK,	1024, 's' },
-#endif
-#ifdef  RLIMIT_CORE
-	{ "core file size",	"512-blocks",	RLIMIT_CORE,	 512, 'c' },
-#endif
-#ifdef RLIMIT_RSS
-	{ "max memory size",	"kbytes",	RLIMIT_RSS,	1024, 'm' },
-#endif
-#ifdef RLIMIT_MEMLOCK
-	{ "locked memory",	"kbytes",	RLIMIT_MEMLOCK, 1024, 'l' },
-#endif
-#ifdef RLIMIT_NPROC
-	{ "max user processes",	(char *)0,	RLIMIT_NPROC,      1, 'u' },
-#endif
-#ifdef RLIMIT_NOFILE
-	{ "open files",		(char *)0,	RLIMIT_NOFILE,     1, 'n' },
-#endif
-#ifdef RLIMIT_VMEM
-	{ "virtual mem size",	"kbytes",	RLIMIT_VMEM,	1024, 'v' },
-#endif
-#ifdef RLIMIT_SWAP
-	{ "swap limit",		"kbytes",	RLIMIT_SWAP,	1024, 'w' },
-#endif
-#ifdef RLIMIT_SBSIZE
-	{ "socket buffer size",	"bytes",	RLIMIT_SBSIZE,	   1, 'b' },
-#endif
-#ifdef RLIMIT_NPTS
-	{ "pseudo-terminals",	(char *)0,	RLIMIT_NPTS,	   1, 'p' },
-#endif
-#ifdef RLIMIT_KQUEUES
-	{ "kqueues",		(char *)0,	RLIMIT_KQUEUES,	   1, 'k' },
-#endif
-#ifdef RLIMIT_UMTXP
-	{ "umtx shared locks",	(char *)0,	RLIMIT_UMTXP,	   1, 'o' },
-#endif
-	{ (char *) 0,		(char *)0,	0,		   0, '\0' }
-};
-
-enum limithow { SOFT = 0x1, HARD = 0x2 };
-
-static void
-printlimit(enum limithow how, const struct rlimit *limit,
-    const struct limits *l)
-{
-	rlim_t val = 0;
-
-	if (how & SOFT)
-		val = limit->rlim_cur;
-	else if (how & HARD)
-		val = limit->rlim_max;
-	if (val == RLIM_INFINITY)
-		out1str("unlimited\n");
-	else
-	{
-		val /= l->factor;
-		out1fmt("%jd\n", (intmax_t)val);
-	}
-}
-
-int
-ulimitcmd(int argc __unused, char **argv __unused)
-{
-	rlim_t val = 0;
-	enum limithow how = SOFT | HARD;
-	const struct limits	*l;
-	int		set, all = 0;
-	int		optc, what;
-	struct rlimit	limit;
-
-	what = 'f';
-	while ((optc = nextopt("HSatfdsmcnuvlbpwko")) != '\0')
-		switch (optc) {
-		case 'H':
-			how = HARD;
-			break;
-		case 'S':
-			how = SOFT;
-			break;
-		case 'a':
-			all = 1;
-			break;
-		default:
-			what = optc;
-		}
-
-	for (l = limits; l->name && l->option != what; l++)
-		;
-	if (!l->name)
-		error("internal error (%c)", what);
-
-	set = *argptr ? 1 : 0;
-	if (set) {
-		char *p = *argptr;
-
-		if (all || argptr[1])
-			error("too many arguments");
-		if (strcmp(p, "unlimited") == 0)
-			val = RLIM_INFINITY;
-		else {
-			char *end;
-			uintmax_t uval;
-
-			if (*p < '0' || *p > '9')
-				error("bad number");
-			errno = 0;
-			uval = strtoumax(p, &end, 10);
-			if (errno != 0 || *end != '\0')
-				error("bad number");
-			if (uval > UINTMAX_MAX / l->factor)
-				error("bad number");
-			uval *= l->factor;
-			val = (rlim_t)uval;
-			if (val < 0 || (uintmax_t)val != uval ||
-			    val == RLIM_INFINITY)
-				error("bad number");
-		}
-	}
-	if (all) {
-		for (l = limits; l->name; l++) {
-			char optbuf[40];
-			if (getrlimit(l->cmd, &limit) < 0)
-				error("can't get limit: %s", strerror(errno));
-
-			if (l->units)
-				snprintf(optbuf, sizeof(optbuf),
-					"(%s, -%c) ", l->units, l->option);
-			else
-				snprintf(optbuf, sizeof(optbuf),
-					"(-%c) ", l->option);
-			out1fmt("%-18s %18s ", l->name, optbuf);
-			printlimit(how, &limit, l);
-		}
-		return 0;
-	}
-
-	if (getrlimit(l->cmd, &limit) < 0)
-		error("can't get limit: %s", strerror(errno));
-	if (set) {
-		if (how & SOFT)
-			limit.rlim_cur = val;
-		if (how & HARD)
-			limit.rlim_max = val;
-		if (setrlimit(l->cmd, &limit) < 0)
-			error("bad limit: %s", strerror(errno));
-	} else
-		printlimit(how, &limit, l);
-	return 0;
-}