main.c revision 91400
11590Srgrimes/*- 21590Srgrimes * Copyright (c) 1990, 1993, 1994 31590Srgrimes * The Regents of the University of California. All rights reserved. 496196Sdes * 596196Sdes * This code is derived from software contributed to Berkeley by 61590Srgrimes * Cimarron D. Taylor of the University of California, Berkeley. 796196Sdes * 896196Sdes * Redistribution and use in source and binary forms, with or without 996196Sdes * modification, are permitted provided that the following conditions 1096196Sdes * are met: 1196196Sdes * 1. Redistributions of source code must retain the above copyright 121590Srgrimes * notice, this list of conditions and the following disclaimer. 131590Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 141590Srgrimes * notice, this list of conditions and the following disclaimer in the 151590Srgrimes * documentation and/or other materials provided with the distribution. 161590Srgrimes * 3. All advertising materials mentioning features or use of this software 171590Srgrimes * must display the following acknowledgement: 181590Srgrimes * This product includes software developed by the University of 191590Srgrimes * California, Berkeley and its contributors. 201590Srgrimes * 4. Neither the name of the University nor the names of its contributors 211590Srgrimes * may be used to endorse or promote products derived from this software 221590Srgrimes * without specific prior written permission. 231590Srgrimes * 241590Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 251590Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 261590Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 271590Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 281590Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 291590Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 301590Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 311590Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 321590Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 331590Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 341590Srgrimes * SUCH DAMAGE. 351590Srgrimes */ 361590Srgrimes 371590Srgrimes#ifndef lint 381590Srgrimeschar copyright[] = 391590Srgrimes"@(#) Copyright (c) 1990, 1993, 1994\n\ 401590Srgrimes The Regents of the University of California. All rights reserved.\n"; 411590Srgrimes#endif /* not lint */ 4227919Scharnier 431590Srgrimes#ifndef lint 441590Srgrimes#if 0 451590Srgrimesstatic char sccsid[] = "@(#)main.c 8.4 (Berkeley) 5/4/95"; 461590Srgrimes#else 47105235Scharnierstatic const char rcsid[] = 481590Srgrimes "$FreeBSD: head/usr.bin/find/main.c 91400 2002-02-27 17:57:00Z dwmalone $"; 4929922Smarkm#endif 501590Srgrimes#endif /* not lint */ 51105235Scharnier 521590Srgrimes#include <sys/types.h> 53105235Scharnier#include <sys/stat.h> 54105235Scharnier 55105235Scharnier#include <err.h> 561590Srgrimes#include <errno.h> 571590Srgrimes#include <fcntl.h> 581590Srgrimes#include <fts.h> 5995621Smarkm#include <locale.h> 601590Srgrimes#include <regex.h> 61120547Stjr#include <stdio.h> 621590Srgrimes#include <stdlib.h> 631590Srgrimes#include <time.h> 641590Srgrimes#include <unistd.h> 651590Srgrimes 661590Srgrimes#include "find.h" 671590Srgrimes 681590Srgrimestime_t now; /* time find was run */ 691590Srgrimesint dotfd; /* starting directory */ 708232Sdgint ftsoptions; /* options for the ftsopen(3) call */ 711590Srgrimesint isdeprecated; /* using deprecated syntax */ 7227919Scharnierint isdepth; /* do directories on post-order visit */ 731590Srgrimesint isoutput; /* user specified output operator */ 741590Srgrimesint issort; /* do hierarchies in lexicographical order */ 751590Srgrimesint isxargs; /* don't permit xargs delimiting chars */ 76200462Sdelphijint mindepth = -1, maxdepth = -1; /* minimum and maximum depth */ 771590Srgrimesint regexp_flags = REG_BASIC; /* use the "basic" regexp by default*/ 781590Srgrimes 79120547Stjrstatic void usage __P((void)); 801590Srgrimes 811590Srgrimesint 821590Srgrimesmain(argc, argv) 831590Srgrimes int argc; 841590Srgrimes char *argv[]; 851590Srgrimes{ 861590Srgrimes char **p, **start; 871590Srgrimes int Hflag, Lflag, ch; 881590Srgrimes 891590Srgrimes (void)setlocale(LC_ALL, ""); 901590Srgrimes 911590Srgrimes (void)time(&now); /* initialize the time-of-day */ 921590Srgrimes 931590Srgrimes p = start = argv; 941590Srgrimes Hflag = Lflag = 0; 95120547Stjr ftsoptions = FTS_NOSTAT | FTS_PHYSICAL; 96120547Stjr while ((ch = getopt(argc, argv, "EHLPXdf:sx")) != -1) 97120547Stjr switch (ch) { 9857232Sshin case 'E': 991590Srgrimes regexp_flags |= REG_EXTENDED; 1001590Srgrimes break; 1011590Srgrimes case 'H': 1021590Srgrimes Hflag = 1; 1031590Srgrimes Lflag = 0; 1041590Srgrimes break; 1051590Srgrimes case 'L': 10692921Simp Lflag = 1; 10792921Simp Hflag = 0; 10892921Simp break; 10992921Simp case 'P': 11092921Simp Hflag = Lflag = 0; 111105268Smarkm break; 11292921Simp case 'X': 11392921Simp isxargs = 1; 11495621Smarkm break; 11592921Simp case 'd': 11692921Simp isdepth = 1; 11792921Simp break; 11892921Simp case 'f': 11992921Simp *p++ = optarg; 12092921Simp break; 12192921Simp case 's': 12292921Simp issort = 1; 12392921Simp break; 1241590Srgrimes case 'x': 1251590Srgrimes ftsoptions |= FTS_XDEV; 12693057Simp break; 1271590Srgrimes case '?': 1281590Srgrimes default: 1291590Srgrimes break; 130120547Stjr } 1311590Srgrimes 132105268Smarkm argc -= optind; 133105268Smarkm argv += optind; 13447549Sbde 135120547Stjr if (Hflag) 13696196Sdes ftsoptions |= FTS_COMFOLLOW; 137148726Sstefanf if (Lflag) { 138152397Sdwmalone ftsoptions &= ~FTS_PHYSICAL; 139152397Sdwmalone ftsoptions |= FTS_LOGICAL; 1401590Srgrimes } 1418232Sdg 1421590Srgrimes /* 14347549Sbde * Find first option to delimit the file list. The first argument 1441590Srgrimes * that starts with a -, or is a ! or a ( must be interpreted as a 14529922Smarkm * part of the find expression, according to POSIX .2. 1461590Srgrimes */ 1471590Srgrimes for (; *argv != NULL; *p++ = *argv++) { 1481590Srgrimes if (argv[0][0] == '-') 1491590Srgrimes break; 1501590Srgrimes if ((argv[0][0] == '!' || argv[0][0] == '(') && 1511590Srgrimes argv[0][1] == '\0') 1521590Srgrimes break; 1531590Srgrimes } 1541590Srgrimes 1551590Srgrimes if (p == start) 1561590Srgrimes usage(); 1571590Srgrimes *p = NULL; 1581590Srgrimes 159140569Sru if ((dotfd = open(".", O_RDONLY, 0)) < 0) 16024360Simp err(1, "."); 1611590Srgrimes 16257232Sshin exit(find_execute(find_formplan(argv), start)); 16357232Sshin} 16457232Sshin 16557232Sshinstatic void 16657232Sshinusage() 16757232Sshin{ 16857232Sshin (void)fprintf(stderr, 16957232Sshin"usage: find [-H | -L | -P] [-EXdsx] [-f file] [file ...] [expression]\n"); 1701590Srgrimes exit(1); 1711590Srgrimes} 1721590Srgrimes