Remove 1sh

1 files changed, 0 insertions, 356 deletions

diff --git a/bin/1sh/main.c b/bin/1sh/main.c
deleted file mode 100644
index 3f0bc1da..00000000
--- a/bin/1sh/main.c
+++ /dev/null
@@ -1,356 +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.
- */
-
-#if 0
-static char const copyright[] =
-"@(#) Copyright (c) 1991, 1993\n\
-	The Regents of the University of California.  All rights reserved.\n";
-#endif
-
-#ifndef lint
-#if 0
-static char sccsid[] = "@(#)main.c	8.6 (Berkeley) 5/28/95";
-#endif
-#endif /* not lint */
-#include <sys/cdefs.h>
-/* $FreeBSD: releng/12.1/bin/sh/main.c 336320 2018-07-15 21:55:17Z jilles $ */
-
-#include <stdio.h>
-#include <signal.h>
-#include <sys/stat.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <locale.h>
-#include <errno.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 "mystring.h"
-#include "exec.h"
-#include "cd.h"
-#include "redir.h"
-#include "builtins.h"
-
-int rootpid;
-int rootshell;
-struct jmploc main_handler;
-int localeisutf8, initial_localeisutf8;
-
-static void reset(void);
-static void cmdloop(int);
-static void read_profile(const char *);
-static char *find_dot_file(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[])
-{
-	struct stackmark smark, smark2;
-	volatile int state;
-	char *shinit;
-
-	(void) setlocale(LC_ALL, "");
-	initcharset();
-	state = 0;
-	if (setjmp(main_handler.loc)) {
-		switch (exception) {
-		case EXEXEC:
-			exitstatus = exerrno;
-			break;
-
-		case EXERROR:
-			exitstatus = 2;
-			break;
-
-		default:
-			break;
-		}
-
-		if (state == 0 || iflag == 0 || ! rootshell ||
-		    exception == EXEXIT)
-			exitshell(exitstatus);
-		reset();
-		if (exception == EXINT)
-			out2fmt_flush("\n");
-		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 = &main_handler;
-#ifdef DEBUG
-	opentrace();
-	trputs("Shell args:  ");  trargs(argv);
-#endif
-	rootpid = getpid();
-	rootshell = 1;
-	INTOFF;
-	initvar();
-	setstackmark(&smark);
-	setstackmark(&smark2);
-	procargs(argc, argv);
-	pwd_init(iflag);
-	INTON;
-	if (iflag)
-		chkmail(1);
-	if (argv[0] && argv[0][0] == '-') {
-		state = 1;
-		read_profile("/etc/profile");
-state1:
-		state = 2;
-		if (privileged == 0)
-			read_profile("${HOME-}/.profile");
-		else
-			read_profile("/etc/suid_profile");
-	}
-state2:
-	state = 3;
-	if (!privileged && iflag) {
-		if ((shinit = lookupvar("ENV")) != NULL && *shinit != '\0') {
-			state = 3;
-			read_profile(shinit);
-		}
-	}
-state3:
-	state = 4;
-	popstackmark(&smark2);
-	if (minusc) {
-		evalstring(minusc, sflag ? 0 : EV_EXIT);
-	}
-state4:
-	if (sflag || minusc == NULL) {
-		cmdloop(1);
-	}
-	iflag = 0;
-	optschanged();
-	exitshell(exitstatus);
-	/*NOTREACHED*/
-	return 0;
-}
-
-static void
-reset(void)
-{
-	reseteval();
-	resetinput();
-}
-
-/*
- * Read and execute commands.  "Top" is nonzero for the top level command
- * loop; it turns on prompting if the shell is interactive.
- */
-
-static void
-cmdloop(int top)
-{
-	union node *n;
-	struct stackmark smark;
-	int inter;
-	int numeof = 0;
-
-	TRACE(("cmdloop(%d) called\n", top));
-	setstackmark(&smark);
-	for (;;) {
-		if (pendingsig)
-			dotrap();
-		inter = 0;
-		if (iflag && top) {
-			inter++;
-			showjobs(1, SHOWJOBS_DEFAULT);
-			chkmail(0);
-			flushout(&output);
-		}
-		n = parsecmd(inter);
-		/* showtree(n); DEBUG */
-		if (n == NEOF) {
-			if (!top || numeof >= 50)
-				break;
-			if (!stoppedjobs()) {
-				if (!Iflag)
-					break;
-				out2fmt_flush("\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);
-		setstackmark(&smark);
-		if (evalskip != 0) {
-			if (evalskip == SKIPRETURN)
-				evalskip = 0;
-			break;
-		}
-	}
-	popstackmark(&smark);
-}
-
-
-
-/*
- * Read /etc/profile or .profile.  Return on error.
- */
-
-static void
-read_profile(const char *name)
-{
-	int fd;
-	const char *expandedname;
-
-	expandedname = expandstr(name);
-	if (expandedname == NULL)
-		return;
-	INTOFF;
-	if ((fd = open(expandedname, O_RDONLY | O_CLOEXEC)) >= 0)
-		setinputfd(fd, 1);
-	INTON;
-	if (fd < 0)
-		return;
-	cmdloop(0);
-	popfile();
-}
-
-
-
-/*
- * Read a file containing shell functions.
- */
-
-void
-readcmdfile(const char *name)
-{
-	setinputfile(name, 1);
-	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 *opt;
-	const char *path = pathval();
-	struct stat statb;
-
-	/* don't try this for absolute or relative paths */
-	if( strchr(basename, '/'))
-		return basename;
-
-	while ((fullname = padvance(&path, &opt, basename)) != NULL) {
-		if ((stat(fullname, &statb) == 0) && S_ISREG(statb.st_mode)) {
-			/*
-			 * Don't bother freeing here, since it will
-			 * be freed by the caller.
-			 */
-			return fullname;
-		}
-		stunalloc(fullname);
-	}
-	return basename;
-}
-
-int
-dotcmd(int argc, char **argv)
-{
-	char *filename, *fullname;
-
-	if (argc < 2)
-		error("missing filename");
-
-	exitstatus = 0;
-
-	/*
-	 * Because we have historically not supported any options,
-	 * only treat "--" specially.
-	 */
-	filename = argc > 2 && strcmp(argv[1], "--") == 0 ? argv[2] : argv[1];
-
-	fullname = find_dot_file(filename);
-	setinputfile(fullname, 1);
-	commandname = fullname;
-	cmdloop(0);
-	popfile();
-	return exitstatus;
-}
-
-
-int
-exitcmd(int argc, char **argv)
-{
-	if (stoppedjobs())
-		return 0;
-	iflag = 0;
-	optschanged();
-	if (argc > 1)
-		exitshell(number(argv[1]));
-	else
-		exitshell_savedstatus();
-}