diff options
Diffstat (limited to 'usr.bin/ar/ar.c')
| -rw-r--r-- | usr.bin/ar/ar.c | 237 |
1 files changed, 237 insertions, 0 deletions
diff --git a/usr.bin/ar/ar.c b/usr.bin/ar/ar.c new file mode 100644 index 0000000..38089e8 --- /dev/null +++ b/usr.bin/ar/ar.c @@ -0,0 +1,237 @@ +/*- + * Copyright (c) 1990, 1993, 1994 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Hugh Smith at The University of Guelph. + * + * 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) 1990, 1993, 1994\n\ + The Regents of the University of California. All rights reserved.\n"; +#endif /* not lint */ + +#ifndef lint +static char sccsid[] = "@(#)ar.c 8.3 (Berkeley) 4/2/94"; +#endif /* not lint */ + +#include <sys/param.h> + +#include <ar.h> +#include <dirent.h> +#include <err.h> +#include <paths.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +#include "archive.h" +#include "extern.h" + +CHDR chdr; +u_int options; +char *archive, *envtmp, *posarg, *posname; +static void badoptions __P((char *)); +static void usage __P((void)); + +/* + * main -- + * main basically uses getopt to parse options and calls the appropriate + * functions. Some hacks that let us be backward compatible with 4.3 ar + * option parsing and sanity checking. + */ +int +main(argc, argv) + int argc; + char **argv; +{ + int c; + char *p; + int (*fcall) __P((char **)); + + if (argc < 3) + usage(); + + /* + * Historic versions didn't require a '-' in front of the options. + * Fix it, if necessary. + */ + if (*argv[1] != '-') { + if (!(p = malloc((u_int)(strlen(argv[1]) + 2)))) + err(1, NULL); + *p = '-'; + (void)strcpy(p + 1, argv[1]); + argv[1] = p; + } + + while ((c = getopt(argc, argv, "abcdilmopqrTtuvx")) != EOF) { + switch(c) { + case 'a': + options |= AR_A; + break; + case 'b': + case 'i': + options |= AR_B; + break; + case 'c': + options |= AR_C; + break; + case 'd': + options |= AR_D; + fcall = delete; + break; + case 'l': /* not documented, compatibility only */ + envtmp = "."; + break; + case 'm': + options |= AR_M; + fcall = move; + break; + case 'o': + options |= AR_O; + break; + case 'p': + options |= AR_P; + fcall = print; + break; + case 'q': + options |= AR_Q; + fcall = append; + break; + case 'r': + options |= AR_R; + fcall = replace; + break; + case 'T': + options |= AR_TR; + break; + case 't': + options |= AR_T; + fcall = contents; + break; + case 'u': + options |= AR_U; + break; + case 'v': + options |= AR_V; + break; + case 'x': + options |= AR_X; + fcall = extract; + break; + default: + usage(); + } + } + + argv += optind; + argc -= optind; + + /* One of -dmpqrtx required. */ + if (!(options & (AR_D|AR_M|AR_P|AR_Q|AR_R|AR_T|AR_X))) { + warnx("one of options -dmpqrtx is required"); + usage(); + } + /* Only one of -a and -bi allowed. */ + if (options & AR_A && options & AR_B) { + warnx("only one of -a and -[bi] options allowed"); + usage(); + } + /* -ab require a position argument. */ + if (options & (AR_A|AR_B)) { + if (!(posarg = *argv++)) { + warnx("no position operand specified"); + usage(); + } + posname = rname(posarg); + } + /* -d only valid with -Tv. */ + if (options & AR_D && options & ~(AR_D|AR_TR|AR_V)) + badoptions("-d"); + /* -m only valid with -abiTv. */ + if (options & AR_M && options & ~(AR_A|AR_B|AR_M|AR_TR|AR_V)) + badoptions("-m"); + /* -p only valid with -Tv. */ + if (options & AR_P && options & ~(AR_P|AR_TR|AR_V)) + badoptions("-p"); + /* -q only valid with -cTv. */ + if (options & AR_Q && options & ~(AR_C|AR_Q|AR_TR|AR_V)) + badoptions("-q"); + /* -r only valid with -abcuTv. */ + if (options & AR_R && options & ~(AR_A|AR_B|AR_C|AR_R|AR_U|AR_TR|AR_V)) + badoptions("-r"); + /* -t only valid with -Tv. */ + if (options & AR_T && options & ~(AR_T|AR_TR|AR_V)) + badoptions("-t"); + /* -x only valid with -ouTv. */ + if (options & AR_X && options & ~(AR_O|AR_U|AR_TR|AR_V|AR_X)) + badoptions("-x"); + + if (!(archive = *argv++)) { + warnx("no archive specified"); + usage(); + } + + /* -dmqr require a list of archive elements. */ + if (options & (AR_D|AR_M|AR_Q|AR_R) && !*argv) { + warnx("no archive members specified"); + usage(); + } + + exit((*fcall)(argv)); +} + +static void +badoptions(arg) + char *arg; +{ + + warnx("illegal option combination for %s", arg); + usage(); +} + +static void +usage() +{ + + (void)fprintf(stderr, "usage: ar -d [-Tv] archive file ...\n"); + (void)fprintf(stderr, "\tar -m [-Tv] archive file ...\n"); + (void)fprintf(stderr, "\tar -m [-abiTv] position archive file ...\n"); + (void)fprintf(stderr, "\tar -p [-Tv] archive [file ...]\n"); + (void)fprintf(stderr, "\tar -q [-cTv] archive file ...\n"); + (void)fprintf(stderr, "\tar -r [-cuTv] archive file ...\n"); + (void)fprintf(stderr, "\tar -r [-abciuTv] position archive file ...\n"); + (void)fprintf(stderr, "\tar -t [-Tv] archive [file ...]\n"); + (void)fprintf(stderr, "\tar -x [-ouTv] archive [file ...]\n"); + exit(1); +} |
