xref: /freebsd/usr.bin/find/main.c (revision ef646f18aa018c459c51c1b38dcbdac3422a97f3)
19b50d902SRodney W. Grimes /*-
29b50d902SRodney W. Grimes  * Copyright (c) 1990, 1993, 1994
39b50d902SRodney W. Grimes  *	The Regents of the University of California.  All rights reserved.
49b50d902SRodney W. Grimes  *
59b50d902SRodney W. Grimes  * This code is derived from software contributed to Berkeley by
69b50d902SRodney W. Grimes  * Cimarron D. Taylor of the University of California, Berkeley.
79b50d902SRodney W. Grimes  *
89b50d902SRodney W. Grimes  * Redistribution and use in source and binary forms, with or without
99b50d902SRodney W. Grimes  * modification, are permitted provided that the following conditions
109b50d902SRodney W. Grimes  * are met:
119b50d902SRodney W. Grimes  * 1. Redistributions of source code must retain the above copyright
129b50d902SRodney W. Grimes  *    notice, this list of conditions and the following disclaimer.
139b50d902SRodney W. Grimes  * 2. Redistributions in binary form must reproduce the above copyright
149b50d902SRodney W. Grimes  *    notice, this list of conditions and the following disclaimer in the
159b50d902SRodney W. Grimes  *    documentation and/or other materials provided with the distribution.
169b50d902SRodney W. Grimes  * 3. All advertising materials mentioning features or use of this software
179b50d902SRodney W. Grimes  *    must display the following acknowledgement:
189b50d902SRodney W. Grimes  *	This product includes software developed by the University of
199b50d902SRodney W. Grimes  *	California, Berkeley and its contributors.
209b50d902SRodney W. Grimes  * 4. Neither the name of the University nor the names of its contributors
219b50d902SRodney W. Grimes  *    may be used to endorse or promote products derived from this software
229b50d902SRodney W. Grimes  *    without specific prior written permission.
239b50d902SRodney W. Grimes  *
249b50d902SRodney W. Grimes  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
259b50d902SRodney W. Grimes  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
269b50d902SRodney W. Grimes  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
279b50d902SRodney W. Grimes  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
289b50d902SRodney W. Grimes  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
299b50d902SRodney W. Grimes  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
309b50d902SRodney W. Grimes  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
319b50d902SRodney W. Grimes  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
329b50d902SRodney W. Grimes  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
339b50d902SRodney W. Grimes  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
349b50d902SRodney W. Grimes  * SUCH DAMAGE.
359b50d902SRodney W. Grimes  */
369b50d902SRodney W. Grimes 
379b50d902SRodney W. Grimes #ifndef lint
389b50d902SRodney W. Grimes char copyright[] =
399b50d902SRodney W. Grimes "@(#) Copyright (c) 1990, 1993, 1994\n\
409b50d902SRodney W. Grimes 	The Regents of the University of California.  All rights reserved.\n";
419b50d902SRodney W. Grimes #endif /* not lint */
429b50d902SRodney W. Grimes 
439b50d902SRodney W. Grimes #ifndef lint
44c76bc8f3SOllivier Robert #if 0
45841484cdSPeter Wemm static char sccsid[] = "@(#)main.c	8.4 (Berkeley) 5/4/95";
46c76bc8f3SOllivier Robert #endif
479b50d902SRodney W. Grimes #endif /* not lint */
48ef646f18SMark Murray 
493077469eSDavid E. O'Brien #include <sys/cdefs.h>
503077469eSDavid E. O'Brien __FBSDID("$FreeBSD$");
519b50d902SRodney W. Grimes 
529b50d902SRodney W. Grimes #include <sys/types.h>
539b50d902SRodney W. Grimes #include <sys/stat.h>
549b50d902SRodney W. Grimes 
559b50d902SRodney W. Grimes #include <err.h>
569b50d902SRodney W. Grimes #include <errno.h>
579b50d902SRodney W. Grimes #include <fcntl.h>
589b50d902SRodney W. Grimes #include <fts.h>
59bf4fce1aSAndrey A. Chernov #include <locale.h>
607c1d4b3aSAkinori MUSHA #include <regex.h>
619b50d902SRodney W. Grimes #include <stdio.h>
629b50d902SRodney W. Grimes #include <stdlib.h>
639b50d902SRodney W. Grimes #include <time.h>
64841484cdSPeter Wemm #include <unistd.h>
659b50d902SRodney W. Grimes 
669b50d902SRodney W. Grimes #include "find.h"
679b50d902SRodney W. Grimes 
689b50d902SRodney W. Grimes time_t now;			/* time find was run */
699b50d902SRodney W. Grimes int dotfd;			/* starting directory */
709b50d902SRodney W. Grimes int ftsoptions;			/* options for the ftsopen(3) call */
719b50d902SRodney W. Grimes int isdeprecated;		/* using deprecated syntax */
729b50d902SRodney W. Grimes int isdepth;			/* do directories on post-order visit */
739b50d902SRodney W. Grimes int isoutput;			/* user specified output operator */
741b4db9d1SBruce Evans int issort;         		/* do hierarchies in lexicographical order */
759b50d902SRodney W. Grimes int isxargs;			/* don't permit xargs delimiting chars */
76c76bc8f3SOllivier Robert int mindepth = -1, maxdepth = -1; /* minimum and maximum depth */
777c1d4b3aSAkinori MUSHA int regexp_flags = REG_BASIC;	/* use the "basic" regexp by default*/
789b50d902SRodney W. Grimes 
79ecca1f1cSMark Murray static void usage(void);
809b50d902SRodney W. Grimes 
819b50d902SRodney W. Grimes int
82ef646f18SMark Murray main(int argc, char *argv[])
839b50d902SRodney W. Grimes {
84e98080b1SDavid Malone 	char **p, **start;
855cc6677fSJohn Polstra 	int Hflag, Lflag, ch;
869b50d902SRodney W. Grimes 
87bf4fce1aSAndrey A. Chernov 	(void)setlocale(LC_ALL, "");
88bf4fce1aSAndrey A. Chernov 
899b50d902SRodney W. Grimes 	(void)time(&now);	/* initialize the time-of-day */
909b50d902SRodney W. Grimes 
919b50d902SRodney W. Grimes 	p = start = argv;
925cc6677fSJohn Polstra 	Hflag = Lflag = 0;
939b50d902SRodney W. Grimes 	ftsoptions = FTS_NOSTAT | FTS_PHYSICAL;
947c1d4b3aSAkinori MUSHA 	while ((ch = getopt(argc, argv, "EHLPXdf:sx")) != -1)
959b50d902SRodney W. Grimes 		switch (ch) {
967c1d4b3aSAkinori MUSHA 		case 'E':
977c1d4b3aSAkinori MUSHA 			regexp_flags |= REG_EXTENDED;
987c1d4b3aSAkinori MUSHA 			break;
999b50d902SRodney W. Grimes 		case 'H':
1009b50d902SRodney W. Grimes 			Hflag = 1;
1015cc6677fSJohn Polstra 			Lflag = 0;
1029b50d902SRodney W. Grimes 			break;
1039b50d902SRodney W. Grimes 		case 'L':
1049b50d902SRodney W. Grimes 			Lflag = 1;
1055cc6677fSJohn Polstra 			Hflag = 0;
1069b50d902SRodney W. Grimes 			break;
1079b50d902SRodney W. Grimes 		case 'P':
1089b50d902SRodney W. Grimes 			Hflag = Lflag = 0;
1099b50d902SRodney W. Grimes 			break;
1109b50d902SRodney W. Grimes 		case 'X':
1119b50d902SRodney W. Grimes 			isxargs = 1;
1129b50d902SRodney W. Grimes 			break;
1139b50d902SRodney W. Grimes 		case 'd':
1149b50d902SRodney W. Grimes 			isdepth = 1;
1159b50d902SRodney W. Grimes 			break;
1169b50d902SRodney W. Grimes 		case 'f':
1179b50d902SRodney W. Grimes 			*p++ = optarg;
1189b50d902SRodney W. Grimes 			break;
1196d0c7e13SWolfram Schneider 		case 's':
1206d0c7e13SWolfram Schneider 			issort = 1;
1216d0c7e13SWolfram Schneider 			break;
1229b50d902SRodney W. Grimes 		case 'x':
1239b50d902SRodney W. Grimes 			ftsoptions |= FTS_XDEV;
1249b50d902SRodney W. Grimes 			break;
1259b50d902SRodney W. Grimes 		case '?':
1269b50d902SRodney W. Grimes 		default:
1279b50d902SRodney W. Grimes 			break;
1289b50d902SRodney W. Grimes 		}
1299b50d902SRodney W. Grimes 
1309b50d902SRodney W. Grimes 	argc -= optind;
1319b50d902SRodney W. Grimes 	argv += optind;
1329b50d902SRodney W. Grimes 
1339b50d902SRodney W. Grimes 	if (Hflag)
1349b50d902SRodney W. Grimes 		ftsoptions |= FTS_COMFOLLOW;
1359b50d902SRodney W. Grimes 	if (Lflag) {
1369b50d902SRodney W. Grimes 		ftsoptions &= ~FTS_PHYSICAL;
1379b50d902SRodney W. Grimes 		ftsoptions |= FTS_LOGICAL;
1389b50d902SRodney W. Grimes 	}
1399b50d902SRodney W. Grimes 
1409b50d902SRodney W. Grimes 	/*
1419b50d902SRodney W. Grimes 	 * Find first option to delimit the file list.  The first argument
1429b50d902SRodney W. Grimes 	 * that starts with a -, or is a ! or a ( must be interpreted as a
1439b50d902SRodney W. Grimes 	 * part of the find expression, according to POSIX .2.
1449b50d902SRodney W. Grimes 	 */
1459b50d902SRodney W. Grimes 	for (; *argv != NULL; *p++ = *argv++) {
1469b50d902SRodney W. Grimes 		if (argv[0][0] == '-')
1479b50d902SRodney W. Grimes 			break;
1489b50d902SRodney W. Grimes 		if ((argv[0][0] == '!' || argv[0][0] == '(') &&
1499b50d902SRodney W. Grimes 		    argv[0][1] == '\0')
1509b50d902SRodney W. Grimes 			break;
1519b50d902SRodney W. Grimes 	}
1529b50d902SRodney W. Grimes 
1539b50d902SRodney W. Grimes 	if (p == start)
1549b50d902SRodney W. Grimes 		usage();
1559b50d902SRodney W. Grimes 	*p = NULL;
1569b50d902SRodney W. Grimes 
1579b50d902SRodney W. Grimes 	if ((dotfd = open(".", O_RDONLY, 0)) < 0)
1589b50d902SRodney W. Grimes 		err(1, ".");
1599b50d902SRodney W. Grimes 
1609b50d902SRodney W. Grimes 	exit(find_execute(find_formplan(argv), start));
1619b50d902SRodney W. Grimes }
1629b50d902SRodney W. Grimes 
1639b50d902SRodney W. Grimes static void
164ef646f18SMark Murray usage(void)
1659b50d902SRodney W. Grimes {
1669b50d902SRodney W. Grimes 	(void)fprintf(stderr,
1677c1d4b3aSAkinori MUSHA "usage: find [-H | -L | -P] [-EXdsx] [-f file] [file ...] [expression]\n");
1689b50d902SRodney W. Grimes 	exit(1);
1699b50d902SRodney W. Grimes }
170