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-rw-r--r--bin/dash/src/main.c363
1 files changed, 0 insertions, 363 deletions
diff --git a/bin/dash/src/main.c b/bin/dash/src/main.c
deleted file mode 100644
index 7a285346..00000000
--- a/bin/dash/src/main.c
+++ /dev/null
@@ -1,363 +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 <stdio.h>
-#include <signal.h>
-#include <sys/stat.h>
-#include <unistd.h>
-#include <fcntl.h>
-
-
-#include "shell.h"
-#include "main.h"
-#include "mail.h"
-#include "options.h"
-#include "output.h"
-#include "parser.h"
-#include "nodes.h"
-#include "expand.h"
-#include "eval.h"
-#include "jobs.h"
-#include "input.h"
-#include "trap.h"
-#include "var.h"
-#include "show.h"
-#include "memalloc.h"
-#include "error.h"
-#include "init.h"
-#include "mystring.h"
-#include "exec.h"
-#include "cd.h"
-
-#define PROFILE 0
-
-int rootpid;
-int shlvl;
-#ifdef __GLIBC__
-int *dash_errno;
-#endif
-#if PROFILE
-short profile_buf[16384];
-extern int etext();
-#endif
-MKINIT struct jmploc main_handler;
-
-STATIC void read_profile(const char *);
-STATIC char *find_dot_file(char *);
-static int cmdloop(int);
-int main(int, char **);
-
-/*
- * Main routine.  We initialize things, parse the arguments, execute
- * profiles if we're a login shell, and then call cmdloop to execute
- * commands.  The setjmp call sets up the location to jump to when an
- * exception occurs.  When an exception occurs the variable "state"
- * is used to figure out how far we had gotten.
- */
-
-int
-main(int argc, char **argv)
-{
-	char *shinit;
-	volatile int state;
-	struct stackmark smark;
-	int login;
-
-#ifdef __GLIBC__
-	dash_errno = __errno_location();
-#endif
-
-#if PROFILE
-	monitor(4, etext, profile_buf, sizeof profile_buf, 50);
-#endif
-	state = 0;
-	if (unlikely(setjmp(main_handler.loc))) {
-		int e;
-		int s;
-
-		exitreset();
-
-		e = exception;
-
-		s = state;
-		if (e == EXEND || e == EXEXIT || s == 0 || iflag == 0 || shlvl)
-			exitshell();
-
-		reset();
-
-		if (e == EXINT
-#if ATTY
-		 && (! attyset() || equal(termval(), "emacs"))
-#endif
-		 ) {
-			out2c('\n');
-#ifdef FLUSHERR
-			flushout(out2);
-#endif
-		}
-		popstackmark(&smark);
-		FORCEINTON;				/* enable interrupts */
-		if (s == 1)
-			goto state1;
-		else if (s == 2)
-			goto state2;
-		else if (s == 3)
-			goto state3;
-		else
-			goto state4;
-	}
-	handler = &main_handler;
-#ifdef DEBUG
-	opentrace();
-	trputs("Shell args:  ");  trargs(argv);
-#endif
-	rootpid = getpid();
-	init();
-	setstackmark(&smark);
-	login = procargs(argc, argv);
-	if (login) {
-		state = 1;
-		read_profile("/etc/profile");
-state1:
-		state = 2;
-		read_profile("$HOME/.profile");
-	}
-state2:
-	state = 3;
-	if (
-#ifndef linux
-		getuid() == geteuid() && getgid() == getegid() &&
-#endif
-		iflag
-	) {
-		if ((shinit = lookupvar("ENV")) != NULL && *shinit != '\0') {
-			read_profile(shinit);
-		}
-	}
-	popstackmark(&smark);
-state3:
-	state = 4;
-	if (minusc)
-		evalstring(minusc, sflag ? 0 : EV_EXIT);
-
-	if (sflag || minusc == NULL) {
-state4:	/* XXX ??? - why isn't this before the "if" statement */
-		cmdloop(1);
-	}
-#if PROFILE
-	monitor(0);
-#endif
-#if GPROF
-	{
-		extern void _mcleanup(void);
-		_mcleanup();
-	}
-#endif
-	exitshell();
-	/* NOTREACHED */
-}
-
-
-/*
- * Read and execute commands.  "Top" is nonzero for the top level command
- * loop; it turns on prompting if the shell is interactive.
- */
-
-static int
-cmdloop(int top)
-{
-	union node *n;
-	struct stackmark smark;
-	int inter;
-	int status = 0;
-	int numeof = 0;
-
-	TRACE(("cmdloop(%d) called\n", top));
-	for (;;) {
-		int skip;
-
-		setstackmark(&smark);
-		if (jobctl)
-			showjobs(out2, SHOW_CHANGED);
-		inter = 0;
-		if (iflag && top) {
-			inter++;
-			chkmail();
-		}
-		n = parsecmd(inter);
-		/* showtree(n); DEBUG */
-		if (n == NEOF) {
-			if (!top || numeof >= 50)
-				break;
-			if (!stoppedjobs()) {
-				if (!Iflag) {
-					if (iflag) {
-						out2c('\n');
-#ifdef FLUSHERR
-						flushout(out2);
-#endif
-					}
-					break;
-				}
-				out2str("\nUse \"exit\" to leave shell.\n");
-			}
-			numeof++;
-		} else if (nflag == 0) {
-			int i;
-
-			job_warning = (job_warning == 2) ? 1 : 0;
-			numeof = 0;
-			i = evaltree(n, 0);
-			if (n)
-				status = i;
-		}
-		popstackmark(&smark);
-
-		skip = evalskip;
-		if (skip) {
-			evalskip &= ~(SKIPFUNC | SKIPFUNCDEF);
-			break;
-		}
-	}
-
-	return status;
-}
-
-
-
-/*
- * Read /etc/profile or .profile.  Return on error.
- */
-
-STATIC void
-read_profile(const char *name)
-{
-	name = expandstr(name);
-	if (setinputfile(name, INPUT_PUSH_FILE | INPUT_NOFILE_OK) < 0)
-		return;
-
-	cmdloop(0);
-	popfile();
-}
-
-
-
-/*
- * Read a file containing shell functions.
- */
-
-void
-readcmdfile(char *name)
-{
-	setinputfile(name, INPUT_PUSH_FILE);
-	cmdloop(0);
-	popfile();
-}
-
-
-
-/*
- * Take commands from a file.  To be compatible we should do a path
- * search for the file, which is necessary to find sub-commands.
- */
-
-
-STATIC char *
-find_dot_file(char *basename)
-{
-	char *fullname;
-	const char *path = pathval();
-	struct stat64 statb;
-	int len;
-
-	/* don't try this for absolute or relative paths */
-	if (strchr(basename, '/'))
-		return basename;
-
-	while ((len = padvance(&path, basename)) >= 0) {
-		fullname = stackblock();
-		if ((!pathopt || *pathopt == 'f') &&
-		    !stat64(fullname, &statb) && S_ISREG(statb.st_mode)) {
-			/* This will be freed by the caller. */
-			return stalloc(len);
-		}
-	}
-
-	/* not found in the PATH */
-	sh_error("%s: not found", basename);
-	/* NOTREACHED */
-}
-
-int
-dotcmd(int argc, char **argv)
-{
-	int status = 0;
-
-	nextopt(nullstr);
-	argv = argptr;
-
-	if (*argv) {
-		char *fullname;
-
-		fullname = find_dot_file(*argv);
-		setinputfile(fullname, INPUT_PUSH_FILE);
-		commandname = fullname;
-		status = cmdloop(0);
-		popfile();
-	}
-
-	return status;
-}
-
-
-int
-exitcmd(int argc, char **argv)
-{
-	if (stoppedjobs())
-		return 0;
-
-	if (argc > 1)
-		savestatus = number(argv[1]);
-
-	exraise(EXEXIT);
-	/* NOTREACHED */
-}
-
-#ifdef mkinit
-INCLUDE "error.h"
-
-FORKRESET {
-	handler = &main_handler;
-}
-#endif