238 lines
6.2 KiB
C
238 lines
6.2 KiB
C
/*-
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* Copyright (c) 1990, 1993, 1994
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Hugh Smith at The University of Guelph.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef lint
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static char copyright[] =
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"@(#) Copyright (c) 1990, 1993, 1994\n\
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The Regents of the University of California. All rights reserved.\n";
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#endif /* not lint */
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#ifndef lint
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static char sccsid[] = "@(#)ar.c 8.3 (Berkeley) 4/2/94";
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#endif /* not lint */
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#include <sys/param.h>
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#include <ar.h>
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#include <dirent.h>
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#include <err.h>
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#include <paths.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include "archive.h"
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#include "extern.h"
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CHDR chdr;
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u_int options;
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char *archive, *envtmp, *posarg, *posname;
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static void badoptions __P((char *));
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static void usage __P((void));
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/*
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* main --
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* main basically uses getopt to parse options and calls the appropriate
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* functions. Some hacks that let us be backward compatible with 4.3 ar
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* option parsing and sanity checking.
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*/
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int
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main(argc, argv)
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int argc;
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char **argv;
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{
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int c;
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char *p;
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int (*fcall) __P((char **));
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if (argc < 3)
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usage();
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/*
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* Historic versions didn't require a '-' in front of the options.
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* Fix it, if necessary.
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*/
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if (*argv[1] != '-') {
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if (!(p = malloc((u_int)(strlen(argv[1]) + 2))))
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err(1, NULL);
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*p = '-';
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(void)strcpy(p + 1, argv[1]);
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argv[1] = p;
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}
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while ((c = getopt(argc, argv, "abcdilmopqrTtuvx")) != EOF) {
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switch(c) {
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case 'a':
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options |= AR_A;
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break;
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case 'b':
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case 'i':
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options |= AR_B;
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break;
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case 'c':
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options |= AR_C;
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break;
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case 'd':
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options |= AR_D;
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fcall = delete;
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break;
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case 'l': /* not documented, compatibility only */
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envtmp = ".";
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break;
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case 'm':
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options |= AR_M;
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fcall = move;
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break;
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case 'o':
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options |= AR_O;
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break;
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case 'p':
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options |= AR_P;
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fcall = print;
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break;
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case 'q':
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options |= AR_Q;
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fcall = append;
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break;
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case 'r':
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options |= AR_R;
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fcall = replace;
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break;
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case 'T':
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options |= AR_TR;
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break;
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case 't':
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options |= AR_T;
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fcall = contents;
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break;
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case 'u':
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options |= AR_U;
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break;
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case 'v':
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options |= AR_V;
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break;
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case 'x':
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options |= AR_X;
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fcall = extract;
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break;
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default:
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usage();
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}
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}
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argv += optind;
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argc -= optind;
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/* One of -dmpqrtx required. */
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if (!(options & (AR_D|AR_M|AR_P|AR_Q|AR_R|AR_T|AR_X))) {
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warnx("one of options -dmpqrtx is required");
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usage();
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}
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/* Only one of -a and -bi allowed. */
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if (options & AR_A && options & AR_B) {
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warnx("only one of -a and -[bi] options allowed");
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usage();
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}
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/* -ab require a position argument. */
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if (options & (AR_A|AR_B)) {
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if (!(posarg = *argv++)) {
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warnx("no position operand specified");
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usage();
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}
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posname = rname(posarg);
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}
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/* -d only valid with -Tv. */
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if (options & AR_D && options & ~(AR_D|AR_TR|AR_V))
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badoptions("-d");
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/* -m only valid with -abiTv. */
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if (options & AR_M && options & ~(AR_A|AR_B|AR_M|AR_TR|AR_V))
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badoptions("-m");
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/* -p only valid with -Tv. */
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if (options & AR_P && options & ~(AR_P|AR_TR|AR_V))
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badoptions("-p");
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/* -q only valid with -cTv. */
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if (options & AR_Q && options & ~(AR_C|AR_Q|AR_TR|AR_V))
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badoptions("-q");
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/* -r only valid with -abcuTv. */
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if (options & AR_R && options & ~(AR_A|AR_B|AR_C|AR_R|AR_U|AR_TR|AR_V))
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badoptions("-r");
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/* -t only valid with -Tv. */
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if (options & AR_T && options & ~(AR_T|AR_TR|AR_V))
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badoptions("-t");
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/* -x only valid with -ouTv. */
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if (options & AR_X && options & ~(AR_O|AR_U|AR_TR|AR_V|AR_X))
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badoptions("-x");
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if (!(archive = *argv++)) {
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warnx("no archive specified");
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usage();
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}
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/* -dmqr require a list of archive elements. */
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if (options & (AR_D|AR_M|AR_Q|AR_R) && !*argv) {
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warnx("no archive members specified");
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usage();
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}
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exit((*fcall)(argv));
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}
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static void
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badoptions(arg)
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char *arg;
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{
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warnx("illegal option combination for %s", arg);
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usage();
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}
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static void
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usage()
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{
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(void)fprintf(stderr, "usage: ar -d [-Tv] archive file ...\n");
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(void)fprintf(stderr, "\tar -m [-Tv] archive file ...\n");
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(void)fprintf(stderr, "\tar -m [-abiTv] position archive file ...\n");
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(void)fprintf(stderr, "\tar -p [-Tv] archive [file ...]\n");
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(void)fprintf(stderr, "\tar -q [-cTv] archive file ...\n");
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(void)fprintf(stderr, "\tar -r [-cuTv] archive file ...\n");
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(void)fprintf(stderr, "\tar -r [-abciuTv] position archive file ...\n");
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(void)fprintf(stderr, "\tar -t [-Tv] archive [file ...]\n");
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(void)fprintf(stderr, "\tar -x [-ouTv] archive [file ...]\n");
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exit(1);
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}
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