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-rw-r--r--bin/dash/src/options.c558
1 files changed, 0 insertions, 558 deletions
diff --git a/bin/dash/src/options.c b/bin/dash/src/options.c
deleted file mode 100644
index a46c23b9..00000000
--- a/bin/dash/src/options.c
+++ /dev/null
@@ -1,558 +0,0 @@
-/*-
- * Copyright (c) 1991, 1993
- *	The Regents of the University of California.  All rights reserved.
- * Copyright (c) 1997-2005
- *	Herbert Xu <herbert@gondor.apana.org.au>.  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.
- */
-
-#include <signal.h>
-#include <unistd.h>
-#include <stdlib.h>
-
-#include "shell.h"
-#define DEFINE_OPTIONS
-#include "options.h"
-#undef DEFINE_OPTIONS
-#include "nodes.h"	/* for other header files */
-#include "eval.h"
-#include "jobs.h"
-#include "input.h"
-#include "output.h"
-#include "trap.h"
-#include "var.h"
-#include "memalloc.h"
-#include "error.h"
-#include "mystring.h"
-#ifndef SMALL
-#include "myhistedit.h"
-#endif
-#include "show.h"
-
-char *arg0;			/* value of $0 */
-struct shparam shellparam;	/* current positional parameters */
-char **argptr;			/* argument list for builtin commands */
-char *optionarg;		/* set by nextopt (like getopt) */
-char *optptr;			/* used by nextopt */
-
-char *minusc;			/* argument to -c option */
-
-static const char *const optnames[NOPTS] = {
-	"errexit",
-	"noglob",
-	"ignoreeof",
-	"interactive",
-	"monitor",
-	"noexec",
-	"stdin",
-	"xtrace",
-	"verbose",
-	"vi",
-	"emacs",
-	"noclobber",
-	"allexport",
-	"notify",
-	"nounset",
-	"nolog",
-	"debug",
-};
-
-const char optletters[NOPTS] = {
-	'e',
-	'f',
-	'I',
-	'i',
-	'm',
-	'n',
-	's',
-	'x',
-	'v',
-	'V',
-	'E',
-	'C',
-	'a',
-	'b',
-	'u',
-	0,
-	0,
-};
-
-char optlist[NOPTS];
-
-
-static int options(int);
-STATIC void minus_o(char *, int);
-STATIC void setoption(int, int);
-STATIC int getopts(char *, char *, char **);
-
-
-/*
- * Process the shell command line arguments.
- */
-
-int
-procargs(int argc, char **argv)
-{
-	int i;
-	const char *xminusc;
-	char **xargv;
-	int login;
-
-	xargv = argv;
-	login = xargv[0] && xargv[0][0] == '-';
-	arg0 = xargv[0];
-	if (argc > 0)
-		xargv++;
-	for (i = 0; i < NOPTS; i++)
-		optlist[i] = 2;
-	argptr = xargv;
-	login |= options(1);
-	xargv = argptr;
-	xminusc = minusc;
-	if (*xargv == NULL) {
-		if (xminusc)
-			sh_error("-c requires an argument");
-		sflag = 1;
-	}
-	if (iflag == 2 && sflag == 1 && isatty(0) && isatty(1))
-		iflag = 1;
-	if (mflag == 2)
-		mflag = iflag;
-	for (i = 0; i < NOPTS; i++)
-		if (optlist[i] == 2)
-			optlist[i] = 0;
-#if DEBUG == 2
-	debug = 1;
-#endif
-	/* POSIX 1003.2: first arg after -c cmd is $0, remainder $1... */
-	if (xminusc) {
-		minusc = *xargv++;
-		if (*xargv)
-			goto setarg0;
-	} else if (!sflag) {
-		setinputfile(*xargv, 0);
-setarg0:
-		arg0 = *xargv++;
-	}
-
-	shellparam.p = xargv;
-	shellparam.optind = 1;
-	shellparam.optoff = -1;
-	/* assert(shellparam.malloc == 0 && shellparam.nparam == 0); */
-	while (*xargv) {
-		shellparam.nparam++;
-		xargv++;
-	}
-	optschanged();
-
-	return login;
-}
-
-
-void
-optschanged(void)
-{
-#ifdef DEBUG
-	opentrace();
-#endif
-	setinteractive(iflag);
-#ifndef SMALL
-	histedit();
-#endif
-	setjobctl(mflag);
-}
-
-/*
- * Process shell options.  The global variable argptr contains a pointer
- * to the argument list; we advance it past the options.
- */
-
-STATIC int
-options(int cmdline)
-{
-	char *p;
-	int val;
-	int c;
-	int login = 0;
-
-	if (cmdline)
-		minusc = NULL;
-	while ((p = *argptr) != NULL) {
-		argptr++;
-		if ((c = *p++) == '-') {
-			val = 1;
-                        if (p[0] == '\0' || (p[0] == '-' && p[1] == '\0')) {
-                                if (!cmdline) {
-                                        /* "-" means turn off -x and -v */
-                                        if (p[0] == '\0')
-                                                xflag = vflag = 0;
-                                        /* "--" means reset params */
-                                        else if (*argptr == NULL)
-						setparam(argptr);
-                                }
-				break;	  /* "-" or  "--" terminates options */
-			}
-		} else if (c == '+') {
-			val = 0;
-		} else {
-			argptr--;
-			break;
-		}
-		while ((c = *p++) != '\0') {
-			if (c == 'c' && cmdline) {
-				minusc = p;	/* command is after shell args*/
-			} else if (c == 'l' && cmdline) {
-				login = 1;
-			} else if (c == 'o') {
-				minus_o(*argptr, val);
-				if (*argptr)
-					argptr++;
-			} else {
-				setoption(c, val);
-			}
-		}
-	}
-
-	return login;
-}
-
-STATIC void
-minus_o(char *name, int val)
-{
-	int i;
-
-	if (name == NULL) {
-		if (val) {
-			out1str("Current option settings\n");
-			for (i = 0; i < NOPTS; i++)
-				out1fmt("%-16s%s\n", optnames[i],
-					optlist[i] ? "on" : "off");
-		} else {
-			for (i = 0; i < NOPTS; i++)
-				out1fmt("set %s %s\n",
-					optlist[i] ? "-o" : "+o",
-					optnames[i]);
-
-		}
-	} else {
-		for (i = 0; i < NOPTS; i++)
-			if (equal(name, optnames[i])) {
-				optlist[i] = val;
-				return;
-			}
-		sh_error("Illegal option -o %s", name);
-	}
-}
-
-
-STATIC void
-setoption(int flag, int val)
-{
-	int i;
-
-	for (i = 0; i < NOPTS; i++)
-		if (optletters[i] == flag) {
-			optlist[i] = val;
-			if (val) {
-				/* #%$ hack for ksh semantics */
-				if (flag == 'V')
-					Eflag = 0;
-				else if (flag == 'E')
-					Vflag = 0;
-			}
-			return;
-		}
-	sh_error("Illegal option -%c", flag);
-	/* NOTREACHED */
-}
-
-
-
-/*
- * Set the shell parameters.
- */
-
-void
-setparam(char **argv)
-{
-	char **newparam;
-	char **ap;
-	int nparam;
-
-	for (nparam = 0 ; argv[nparam] ; nparam++);
-	ap = newparam = ckmalloc((nparam + 1) * sizeof *ap);
-	while (*argv) {
-		*ap++ = savestr(*argv++);
-	}
-	*ap = NULL;
-	freeparam(&shellparam);
-	shellparam.malloc = 1;
-	shellparam.nparam = nparam;
-	shellparam.p = newparam;
-	shellparam.optind = 1;
-	shellparam.optoff = -1;
-}
-
-
-/*
- * Free the list of positional parameters.
- */
-
-void
-freeparam(volatile struct shparam *param)
-{
-	char **ap;
-
-	if (param->malloc) {
-		for (ap = param->p ; *ap ; ap++)
-			ckfree(*ap);
-		ckfree(param->p);
-	}
-}
-
-
-
-/*
- * The shift builtin command.
- */
-
-int
-shiftcmd(int argc, char **argv)
-{
-	int n;
-	char **ap1, **ap2;
-
-	n = 1;
-	if (argc > 1)
-		n = number(argv[1]);
-	if (n > shellparam.nparam)
-		sh_error("can't shift that many");
-	INTOFF;
-	shellparam.nparam -= n;
-	for (ap1 = shellparam.p ; --n >= 0 ; ap1++) {
-		if (shellparam.malloc)
-			ckfree(*ap1);
-	}
-	ap2 = shellparam.p;
-	while ((*ap2++ = *ap1++) != NULL);
-	shellparam.optind = 1;
-	shellparam.optoff = -1;
-	INTON;
-	return 0;
-}
-
-
-
-/*
- * The set command builtin.
- */
-
-int
-setcmd(int argc, char **argv)
-{
-	if (argc == 1)
-		return showvars(nullstr, 0, VUNSET);
-	INTOFF;
-	options(0);
-	optschanged();
-	if (*argptr != NULL) {
-		setparam(argptr);
-	}
-	INTON;
-	return 0;
-}
-
-
-void
-getoptsreset(value)
-	const char *value;
-{
-	shellparam.optind = number(value) ?: 1;
-	shellparam.optoff = -1;
-}
-
-/*
- * The getopts builtin.  Shellparam.optnext points to the next argument
- * to be processed.  Shellparam.optptr points to the next character to
- * be processed in the current argument.  If shellparam.optnext is NULL,
- * then it's the first time getopts has been called.
- */
-
-int
-getoptscmd(int argc, char **argv)
-{
-	char **optbase;
-
-	if (argc < 3)
-		sh_error("Usage: getopts optstring var [arg]");
-	else if (argc == 3) {
-		optbase = shellparam.p;
-		if ((unsigned)shellparam.optind > shellparam.nparam + 1) {
-			shellparam.optind = 1;
-			shellparam.optoff = -1;
-		}
-	}
-	else {
-		optbase = &argv[3];
-		if ((unsigned)shellparam.optind > argc - 2) {
-			shellparam.optind = 1;
-			shellparam.optoff = -1;
-		}
-	}
-
-	return getopts(argv[1], argv[2], optbase);
-}
-
-STATIC int
-getopts(char *optstr, char *optvar, char **optfirst)
-{
-	char *p, *q;
-	char c = '?';
-	int done = 0;
-	char s[2];
-	char **optnext;
-	int ind = shellparam.optind;
-	int off = shellparam.optoff;
-
-	shellparam.optind = -1;
-	optnext = optfirst + ind - 1;
-
-	if (ind <= 1 || off < 0 || strlen(optnext[-1]) < off)
-		p = NULL;
-	else
-		p = optnext[-1] + off;
-	if (p == NULL || *p == '\0') {
-		/* Current word is done, advance */
-		p = *optnext;
-		if (p == NULL || *p != '-' || *++p == '\0') {
-atend:
-			p = NULL;
-			done = 1;
-			goto out;
-		}
-		optnext++;
-		if (p[0] == '-' && p[1] == '\0')	/* check for "--" */
-			goto atend;
-	}
-
-	c = *p++;
-	for (q = optstr; *q != c; ) {
-		if (*q == '\0') {
-			if (optstr[0] == ':') {
-				s[0] = c;
-				s[1] = '\0';
-				setvar("OPTARG", s, 0);
-			} else {
-				outfmt(&errout, "Illegal option -%c\n", c);
-				(void) unsetvar("OPTARG");
-			}
-			c = '?';
-			goto out;
-		}
-		if (*++q == ':')
-			q++;
-	}
-
-	if (*++q == ':') {
-		if (*p == '\0' && (p = *optnext) == NULL) {
-			if (optstr[0] == ':') {
-				s[0] = c;
-				s[1] = '\0';
-				setvar("OPTARG", s, 0);
-				c = ':';
-			} else {
-				outfmt(&errout, "No arg for -%c option\n", c);
-				(void) unsetvar("OPTARG");
-				c = '?';
-			}
-			goto out;
-		}
-
-		if (p == *optnext)
-			optnext++;
-		setvar("OPTARG", p, 0);
-		p = NULL;
-	} else
-		setvar("OPTARG", nullstr, 0);
-
-out:
-	ind = optnext - optfirst + 1;
-	setvarint("OPTIND", ind, VNOFUNC);
-	s[0] = c;
-	s[1] = '\0';
-	setvar(optvar, s, 0);
-
-	shellparam.optoff = p ? p - *(optnext - 1) : -1;
-	shellparam.optind = ind;
-
-	return done;
-}
-
-/*
- * XXX - should get rid of.  have all builtins use getopt(3).  the
- * library getopt must have the BSD extension static variable "optreset"
- * otherwise it can't be used within the shell safely.
- *
- * Standard option processing (a la getopt) for builtin routines.  The
- * only argument that is passed to nextopt is the option string; the
- * other arguments are unnecessary.  It return the character, or '\0' on
- * end of input.
- */
-
-int
-nextopt(const char *optstring)
-{
-	char *p;
-	const char *q;
-	char c;
-
-	if ((p = optptr) == NULL || *p == '\0') {
-		p = *argptr;
-		if (p == NULL || *p != '-' || *++p == '\0')
-			return '\0';
-		argptr++;
-		if (p[0] == '-' && p[1] == '\0')	/* check for "--" */
-			return '\0';
-	}
-	c = *p++;
-	for (q = optstring ; *q != c ; ) {
-		if (*q == '\0')
-			sh_error("Illegal option -%c", c);
-		if (*++q == ':')
-			q++;
-	}
-	if (*++q == ':') {
-		if (*p == '\0' && (p = *argptr++) == NULL)
-			sh_error("No arg for -%c option", c);
-		optionarg = p;
-		p = NULL;
-	}
-	optptr = p;
-	return c;
-}
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