main.c revision 93604
11590Srgrimes/*- 21590Srgrimes * Copyright (c) 1990, 1993, 1994 31590Srgrimes * The Regents of the University of California. All rights reserved. 41590Srgrimes * 51590Srgrimes * This code is derived from software contributed to Berkeley by 61590Srgrimes * Cimarron D. Taylor of the University of California, Berkeley. 71590Srgrimes * 81590Srgrimes * Redistribution and use in source and binary forms, with or without 91590Srgrimes * modification, are permitted provided that the following conditions 101590Srgrimes * are met: 111590Srgrimes * 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 */ 421590Srgrimes 431590Srgrimes#ifndef lint 4461575Sroberto#if 0 4523695Speterstatic char sccsid[] = "@(#)main.c 8.4 (Berkeley) 5/4/95"; 4661575Sroberto#endif 471590Srgrimes#endif /* not lint */ 4893604Sobrien#include <sys/cdefs.h> 4993604Sobrien__FBSDID("$FreeBSD: head/usr.bin/find/main.c 93604 2002-04-01 22:56:56Z obrien $"); 501590Srgrimes 511590Srgrimes#include <sys/types.h> 521590Srgrimes#include <sys/stat.h> 531590Srgrimes 541590Srgrimes#include <err.h> 551590Srgrimes#include <errno.h> 561590Srgrimes#include <fcntl.h> 571590Srgrimes#include <fts.h> 5817534Sache#include <locale.h> 5972945Sknu#include <regex.h> 601590Srgrimes#include <stdio.h> 611590Srgrimes#include <stdlib.h> 621590Srgrimes#include <time.h> 6323695Speter#include <unistd.h> 641590Srgrimes 651590Srgrimes#include "find.h" 661590Srgrimes 671590Srgrimestime_t now; /* time find was run */ 681590Srgrimesint dotfd; /* starting directory */ 691590Srgrimesint ftsoptions; /* options for the ftsopen(3) call */ 701590Srgrimesint isdeprecated; /* using deprecated syntax */ 711590Srgrimesint isdepth; /* do directories on post-order visit */ 721590Srgrimesint isoutput; /* user specified output operator */ 7341399Sbdeint issort; /* do hierarchies in lexicographical order */ 741590Srgrimesint isxargs; /* don't permit xargs delimiting chars */ 7561575Srobertoint mindepth = -1, maxdepth = -1; /* minimum and maximum depth */ 7672945Sknuint regexp_flags = REG_BASIC; /* use the "basic" regexp by default*/ 771590Srgrimes 7892786Smarkmstatic void usage(void); 791590Srgrimes 801590Srgrimesint 811590Srgrimesmain(argc, argv) 821590Srgrimes int argc; 831590Srgrimes char *argv[]; 841590Srgrimes{ 8591400Sdwmalone char **p, **start; 8625942Sjdp int Hflag, Lflag, ch; 871590Srgrimes 8817534Sache (void)setlocale(LC_ALL, ""); 8917534Sache 901590Srgrimes (void)time(&now); /* initialize the time-of-day */ 911590Srgrimes 921590Srgrimes p = start = argv; 9325942Sjdp Hflag = Lflag = 0; 941590Srgrimes ftsoptions = FTS_NOSTAT | FTS_PHYSICAL; 9572945Sknu while ((ch = getopt(argc, argv, "EHLPXdf:sx")) != -1) 961590Srgrimes switch (ch) { 9772945Sknu case 'E': 9872945Sknu regexp_flags |= REG_EXTENDED; 9972945Sknu break; 1001590Srgrimes case 'H': 1011590Srgrimes Hflag = 1; 10225942Sjdp Lflag = 0; 1031590Srgrimes break; 1041590Srgrimes case 'L': 1051590Srgrimes Lflag = 1; 10625942Sjdp Hflag = 0; 1071590Srgrimes break; 1081590Srgrimes case 'P': 1091590Srgrimes Hflag = Lflag = 0; 1101590Srgrimes break; 1111590Srgrimes case 'X': 1121590Srgrimes isxargs = 1; 1131590Srgrimes break; 1141590Srgrimes case 'd': 1151590Srgrimes isdepth = 1; 1161590Srgrimes break; 1171590Srgrimes case 'f': 1181590Srgrimes *p++ = optarg; 1191590Srgrimes break; 12041391Swosch case 's': 12141391Swosch issort = 1; 12241391Swosch break; 1231590Srgrimes case 'x': 1241590Srgrimes ftsoptions |= FTS_XDEV; 1251590Srgrimes break; 1261590Srgrimes case '?': 1271590Srgrimes default: 1281590Srgrimes break; 1291590Srgrimes } 1301590Srgrimes 1318874Srgrimes argc -= optind; 1321590Srgrimes argv += optind; 1331590Srgrimes 1341590Srgrimes if (Hflag) 1351590Srgrimes ftsoptions |= FTS_COMFOLLOW; 1361590Srgrimes if (Lflag) { 1371590Srgrimes ftsoptions &= ~FTS_PHYSICAL; 1381590Srgrimes ftsoptions |= FTS_LOGICAL; 1391590Srgrimes } 1401590Srgrimes 1411590Srgrimes /* 1421590Srgrimes * Find first option to delimit the file list. The first argument 1431590Srgrimes * that starts with a -, or is a ! or a ( must be interpreted as a 1441590Srgrimes * part of the find expression, according to POSIX .2. 1451590Srgrimes */ 1461590Srgrimes for (; *argv != NULL; *p++ = *argv++) { 1471590Srgrimes if (argv[0][0] == '-') 1481590Srgrimes break; 1491590Srgrimes if ((argv[0][0] == '!' || argv[0][0] == '(') && 1501590Srgrimes argv[0][1] == '\0') 1511590Srgrimes break; 1521590Srgrimes } 1531590Srgrimes 1541590Srgrimes if (p == start) 1551590Srgrimes usage(); 1561590Srgrimes *p = NULL; 1571590Srgrimes 1581590Srgrimes if ((dotfd = open(".", O_RDONLY, 0)) < 0) 1591590Srgrimes err(1, "."); 1601590Srgrimes 1611590Srgrimes exit(find_execute(find_formplan(argv), start)); 1621590Srgrimes} 1631590Srgrimes 1641590Srgrimesstatic void 1651590Srgrimesusage() 1661590Srgrimes{ 1671590Srgrimes (void)fprintf(stderr, 16872945Sknu"usage: find [-H | -L | -P] [-EXdsx] [-f file] [file ...] [expression]\n"); 1691590Srgrimes exit(1); 1701590Srgrimes} 171