this has not been used for a while

1 files changed, 0 insertions, 389 deletions

diff --git a/bin/sh/main.c b/bin/sh/main.c
deleted file mode 100644
index 8580bdb5e17..00000000000
--- a/bin/sh/main.c
+++ /dev/null
@@ -1,389 +0,0 @@
-/*	$OpenBSD: main.c,v 1.5 1996/10/20 00:54:52 millert Exp $	*/
-/*	$NetBSD: main.c,v 1.23 1995/11/19 23:27:42 christos Exp $	*/
-
-/*-
- * 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. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *	This product includes software developed by the University of
- *	California, Berkeley and its contributors.
- * 4. 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
-static char copyright[] =
-"@(#) Copyright (c) 1991, 1993\n\
-	The Regents of the University of California.  All rights reserved.\n";
-#endif /* not lint */
-
-#ifndef lint
-#if 0
-static char sccsid[] = "@(#)main.c	8.7 (Berkeley) 7/19/95";
-#else
-static char rcsid[] = "$OpenBSD: main.c,v 1.5 1996/10/20 00:54:52 millert Exp $";
-#endif
-#endif /* not lint */
-
-#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 rootshell;
-STATIC union node *curcmd;
-STATIC union node *prevcmd;
-extern int errno;
-#if PROFILE
-short profile_buf[16384];
-extern int etext();
-#endif
-
-STATIC void read_profile __P((char *));
-STATIC char *find_dot_file __P((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(argc, argv)
-	int argc;
-	char **argv; 
-{
-	struct jmploc jmploc;
-	struct stackmark smark;
-	volatile int state;
-	char *shinit;
-
-#if PROFILE
-	monitor(4, etext, profile_buf, sizeof profile_buf, 50);
-#endif
-	state = 0;
-	if (setjmp(jmploc.loc)) {
-		/*
-		 * When a shell procedure is executed, we raise the
-		 * exception EXSHELLPROC to clean up before executing
-		 * the shell procedure.
-		 */
-		switch (exception) {
-		case EXSHELLPROC:
-			rootpid = getpid();
-			rootshell = 1;
-			minusc = NULL;
-			state = 3;
-			break;
-
-		case EXEXEC:
-			exitstatus = exerrno;
-			break;
-
-		case EXERROR:
-			exitstatus = 2;
-			break;
-
-		default:
-			break;
-		}
-
-		if (exception != EXSHELLPROC) {
-			if (state == 0 || iflag == 0 || ! rootshell)
-				exitshell(exitstatus);
-		}
-		reset();
-		if (exception == EXINT
-#if ATTY
-		 && (! attyset() || equal(termval(), "emacs"))
-#endif
-		 ) {
-			out2c('\n');
-			flushout(&errout);
-		}
-		popstackmark(&smark);
-		FORCEINTON;				/* enable interrupts */
-		if (state == 1)
-			goto state1;
-		else if (state == 2)
-			goto state2;
-		else if (state == 3)
-			goto state3;
-		else
-			goto state4;
-	}
-	handler = &jmploc;
-#ifdef DEBUG
-	opentrace();
-	trputs("Shell args:  ");  trargs(argv);
-#endif
-	rootpid = getpid();
-	rootshell = 1;
-	init();
-	setstackmark(&smark);
-	procargs(argc, argv);
-	getpwd();
-	if (argv[0] && argv[0][0] == '-') {
-		state = 1;
-		read_profile("/etc/profile");
-state1:
-		state = 2;
-		read_profile(".profile");
-	} 
-state2:
-	state = 3;
-	if (getuid() == geteuid() && getgid() == getegid()) {
-		if ((shinit = lookupvar("ENV")) != NULL && *shinit != '\0') {
-			state = 3;
-			read_profile(shinit);
-		}
-	}
-state3:
-	state = 4;
-	if (minusc) {
-		evalstring(minusc);
-	}
-	if (sflag || minusc == NULL) {
-state4:	/* XXX ??? - why isn't this before the "if" statement */
-		cmdloop(1);
-	}
-#if PROFILE
-	monitor(0);
-#endif
-	exitshell(exitstatus);
-	/*NOTREACHED*/
-	return 0;
-}
-
-
-/*
- * Read and execute commands.  "Top" is nonzero for the top level command
- * loop; it turns on prompting if the shell is interactive.
- */
-
-void
-cmdloop(top) 
-	int top;
-{
-	union node *n;
-	struct stackmark smark;
-	int inter;
-	int numeof = 0;
-
-	TRACE(("cmdloop(%d) called\n", top));
-	setstackmark(&smark);
-	for (;;) {
-		if (pendingsigs)
-			dotrap();
-		inter = 0;
-		if (iflag && top) {
-			inter++;
-			showjobs(1);
-			chkmail(0);
-			flushout(&output);
-		}
-		n = parsecmd(inter);
-		/* showtree(n); DEBUG */
-		if (n == NEOF) {
-			if (!top || numeof >= 50)
-				break;
-			if (!stoppedjobs()) {
-				if (!Iflag)
-					break;
-				out2str("\nUse \"exit\" to leave shell.\n");
-			}
-			numeof++;
-		} else if (n != NULL && nflag == 0) {
-			job_warning = (job_warning == 2) ? 1 : 0;
-			numeof = 0;
-			evaltree(n, 0);
-		}
-		popstackmark(&smark);
-		if (evalskip == SKIPFILE) {
-			evalskip = 0;
-			break;
-		}
-	}
-	popstackmark(&smark);		/* unnecessary */
-}
-
-
-
-/*
- * Read /etc/profile or .profile.  Return on error.
- */
-
-STATIC void
-read_profile(name)
-	char *name;
-	{
-	int fd;
-
-	INTOFF;
-	if ((fd = open(name, O_RDONLY)) >= 0)
-		setinputfd(fd, 1);
-	INTON;
-	if (fd < 0)
-		return;
-	cmdloop(0);
-	popfile();
-}
-
-
-
-/*
- * Read a file containing shell functions.
- */
-
-void
-readcmdfile(name)
-	char *name;
-{
-	int fd;
-
-	INTOFF;
-	if ((fd = open(name, O_RDONLY)) >= 0)
-		setinputfd(fd, 1);
-	else
-		error("Can't open %s", name);
-	INTON;
-	cmdloop(0);
-	popfile();
-}
-
-
-
-/*
- * Take commands from a file.  To be compatable we should do a path
- * search for the file, which is necessary to find sub-commands.
- */
-
-
-STATIC char *
-find_dot_file(basename)
-	char *basename;
-{
-	static char localname[FILENAME_MAX+1];
-	char *fullname;
-	char *path = pathval();
-	struct stat statb;
-
-	/* don't try this for absolute or relative paths */
-	if( strchr(basename, '/'))
-		return basename;
-
-	while ((fullname = padvance(&path, basename)) != NULL) {
-		strcpy(localname, fullname);
-		stunalloc(fullname);
-		if ((stat(fullname, &statb) == 0) && S_ISREG(statb.st_mode))
-			return localname;
-	}
-	return basename;
-}
-
-int
-dotcmd(argc, argv)  
-	int argc;
-	char **argv; 
-{
-	struct strlist *sp;
-	exitstatus = 0;
-
-	for (sp = cmdenviron; sp ; sp = sp->next)
-		setvareq(savestr(sp->text), VSTRFIXED|VTEXTFIXED);
-
-	if (argc >= 2) {		/* That's what SVR2 does */
-		char *fullname = find_dot_file(argv[1]);
-
-		setinputfile(fullname, 1);
-		commandname = fullname;
-		cmdloop(0);
-		popfile();
-	}
-	return exitstatus;
-}
-
-
-int
-exitcmd(argc, argv)  
-	int argc;
-	char **argv; 
-{
-	extern int oexitstatus;
-
-	if (stoppedjobs())
-		return 0;
-	if (argc > 1)
-		exitstatus = number(argv[1]);
-	else
-		exitstatus = oexitstatus;
-	exitshell(exitstatus);
-	/*NOTREACHED*/
-	return 0;
-}
-
-
-#ifdef notdef
-/*
- * Should never be called.
- */
-
-void
-exit(exitstatus) {
-	_exit(exitstatus);
-}
-#endif