main.c revision 200462
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 3861575Srobertochar copyright[] = 3923695Speter"@(#) Copyright (c) 1990, 1993, 1994\n\ 4061575Sroberto The Regents of the University of California. All rights reserved.\n"; 4161575Sroberto#endif /* not lint */ 421590Srgrimes 4393604Sobrien#ifndef lint 4493604Sobrien#if 0 451590Srgrimesstatic char sccsid[] = "@(#)main.c 8.4 (Berkeley) 5/4/95"; 461590Srgrimes#endif 471590Srgrimes#endif /* not lint */ 481590Srgrimes 491590Srgrimes#include <sys/cdefs.h> 501590Srgrimes__FBSDID("$FreeBSD: head/usr.bin/find/main.c 200462 2009-12-13 03:14:06Z delphij $"); 511590Srgrimes 5272945Sknu#include <sys/types.h> 531590Srgrimes#include <sys/stat.h> 541590Srgrimes 551590Srgrimes#include <err.h> 561590Srgrimes#include <errno.h> 571590Srgrimes#include <fcntl.h> 581590Srgrimes#include <fts.h> 5992786Smarkm#include <locale.h> 6041391Swosch#include <regex.h> 611590Srgrimes#include <stdio.h> 6241398Sbde#include <stdlib.h> 6341398Sbde#include <time.h> 6441399Sbde#include <unistd.h> 6541399Sbde 6641398Sbde#include "find.h" 6741398Sbde 6841398Sbdetime_t now; /* time find was run */ 6941398Sbdeint dotfd; /* starting directory */ 7041398Sbdeint ftsoptions; /* options for the ftsopen(3) call */ 7141398Sbdeint isdeprecated; /* using deprecated syntax */ 7241398Sbdeint isdepth; /* do directories on post-order visit */ 7341398Sbdeint isoutput; /* user specified output operator */ 7441398Sbdeint issort; /* do hierarchies in lexicographical order */ 7541398Sbdeint isxargs; /* don't permit xargs delimiting chars */ 761590Srgrimesint mindepth = -1, maxdepth = -1; /* minimum and maximum depth */ 771590Srgrimesint regexp_flags = REG_BASIC; /* use the "basic" regexp by default*/ 781590Srgrimes 791590Srgrimesstatic void usage(void); 801590Srgrimes 811590Srgrimesint 821590Srgrimesmain(int argc, char *argv[]) 831590Srgrimes{ 841590Srgrimes char **p, **start; 851590Srgrimes int Hflag, Lflag, ch; 861590Srgrimes 871590Srgrimes (void)setlocale(LC_ALL, ""); 881590Srgrimes 891590Srgrimes (void)time(&now); /* initialize the time-of-day */ 901590Srgrimes 911590Srgrimes p = start = argv; 921590Srgrimes Hflag = Lflag = 0; 931590Srgrimes ftsoptions = FTS_NOSTAT | FTS_PHYSICAL; 941590Srgrimes while ((ch = getopt(argc, argv, "EHLPXdf:sx")) != -1) 951590Srgrimes switch (ch) { 961590Srgrimes case 'E': 971590Srgrimes regexp_flags |= REG_EXTENDED; 981590Srgrimes break; 991590Srgrimes case 'H': 1001590Srgrimes Hflag = 1; 1011590Srgrimes Lflag = 0; 1021590Srgrimes break; 1031590Srgrimes case 'L': 1041590Srgrimes Lflag = 1; 1051590Srgrimes Hflag = 0; 1061590Srgrimes break; 1071590Srgrimes case 'P': 1081590Srgrimes Hflag = Lflag = 0; 1091590Srgrimes break; 1101590Srgrimes case 'X': 1111590Srgrimes isxargs = 1; 1128874Srgrimes break; 1131590Srgrimes case 'd': 1141590Srgrimes isdepth = 1; 11523695Speter break; 11623695Speter case 'f': 1171590Srgrimes *p++ = optarg; 1181590Srgrimes break; 11976250Sphk case 's': 12091400Sdwmalone issort = 1; 12176250Sphk break; 12223695Speter case 'x': 12391400Sdwmalone ftsoptions |= FTS_XDEV; 12491400Sdwmalone break; 1251590Srgrimes case '?': 12623695Speter default: 12791400Sdwmalone break; 12891400Sdwmalone } 1296776Sguido 1306776Sguido argc -= optind; 13191400Sdwmalone argv += optind; 13291400Sdwmalone 1331590Srgrimes if (Hflag) 1341590Srgrimes ftsoptions |= FTS_COMFOLLOW; 13591400Sdwmalone if (Lflag) { 13691400Sdwmalone ftsoptions &= ~FTS_PHYSICAL; 1376776Sguido ftsoptions |= FTS_LOGICAL; 1386776Sguido } 1391590Srgrimes 1401590Srgrimes /* 1418874Srgrimes * Find first option to delimit the file list. The first argument 1421590Srgrimes * that starts with a -, or is a ! or a ( must be interpreted as a 1431590Srgrimes * part of the find expression, according to POSIX .2. 1441590Srgrimes */ 1451590Srgrimes for (; *argv != NULL; *p++ = *argv++) { 1461590Srgrimes if (argv[0][0] == '-') 1471590Srgrimes break; 1481590Srgrimes if ((argv[0][0] == '!' || argv[0][0] == '(') && 1491590Srgrimes argv[0][1] == '\0') 1501590Srgrimes break; 1511590Srgrimes } 1521590Srgrimes 1531590Srgrimes if (p == start) 1541590Srgrimes usage(); 1551590Srgrimes *p = NULL; 1561590Srgrimes 1571590Srgrimes if ((dotfd = open(".", O_RDONLY, 0)) < 0) 1581590Srgrimes err(1, "."); 1591590Srgrimes 1601590Srgrimes exit(find_execute(find_formplan(argv), start)); 1611590Srgrimes} 1621590Srgrimes 1631590Srgrimesstatic void 1641590Srgrimesusage(void) 1651590Srgrimes{ 1661590Srgrimes (void)fprintf(stderr, "%s\n%s\n", 1671590Srgrimes"usage: find [-H | -L | -P] [-EXdsx] [-f path] path ... [expression]", 1681590Srgrimes" find [-H | -L | -P] [-EXdsx] -f path [path ...] [expression]"); 1691590Srgrimes exit(1); 1708874Srgrimes} 1711590Srgrimes