main.c revision 8874
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 441590Srgrimesstatic char sccsid[] = "@(#)main.c 8.3 (Berkeley) 4/16/94"; 451590Srgrimes#endif /* not lint */ 461590Srgrimes 471590Srgrimes#include <sys/types.h> 481590Srgrimes#include <sys/stat.h> 491590Srgrimes 501590Srgrimes#include <err.h> 511590Srgrimes#include <errno.h> 521590Srgrimes#include <fcntl.h> 531590Srgrimes#include <fts.h> 541590Srgrimes#include <stdio.h> 551590Srgrimes#include <stdlib.h> 561590Srgrimes#include <time.h> 571590Srgrimes 581590Srgrimes#include "find.h" 591590Srgrimes 601590Srgrimestime_t now; /* time find was run */ 611590Srgrimesint dotfd; /* starting directory */ 621590Srgrimesint ftsoptions; /* options for the ftsopen(3) call */ 631590Srgrimesint isdeprecated; /* using deprecated syntax */ 641590Srgrimesint isdepth; /* do directories on post-order visit */ 651590Srgrimesint isoutput; /* user specified output operator */ 661590Srgrimesint isxargs; /* don't permit xargs delimiting chars */ 671590Srgrimes 681590Srgrimesstatic void usage __P((void)); 691590Srgrimes 701590Srgrimesint 711590Srgrimesmain(argc, argv) 721590Srgrimes int argc; 731590Srgrimes char *argv[]; 741590Srgrimes{ 751590Srgrimes register char **p, **start; 761590Srgrimes int Hflag, Lflag, Pflag, ch; 771590Srgrimes 781590Srgrimes (void)time(&now); /* initialize the time-of-day */ 791590Srgrimes 801590Srgrimes p = start = argv; 811590Srgrimes Hflag = Lflag = Pflag = 0; 821590Srgrimes ftsoptions = FTS_NOSTAT | FTS_PHYSICAL; 831590Srgrimes while ((ch = getopt(argc, argv, "HLPXdf:x")) != EOF) 841590Srgrimes switch (ch) { 851590Srgrimes case 'H': 861590Srgrimes Hflag = 1; 871590Srgrimes Lflag = Pflag = 0; 881590Srgrimes break; 891590Srgrimes case 'L': 901590Srgrimes Lflag = 1; 911590Srgrimes Hflag = Pflag = 0; 921590Srgrimes break; 931590Srgrimes case 'P': 941590Srgrimes Pflag = 1; 951590Srgrimes Hflag = Lflag = 0; 961590Srgrimes break; 971590Srgrimes case 'X': 981590Srgrimes isxargs = 1; 991590Srgrimes break; 1001590Srgrimes case 'd': 1011590Srgrimes isdepth = 1; 1021590Srgrimes break; 1031590Srgrimes case 'f': 1041590Srgrimes *p++ = optarg; 1051590Srgrimes break; 1061590Srgrimes case 'x': 1071590Srgrimes ftsoptions |= FTS_XDEV; 1081590Srgrimes break; 1091590Srgrimes case '?': 1101590Srgrimes default: 1111590Srgrimes break; 1121590Srgrimes } 1131590Srgrimes 1148874Srgrimes argc -= optind; 1151590Srgrimes argv += optind; 1161590Srgrimes 1171590Srgrimes if (Hflag) 1181590Srgrimes ftsoptions |= FTS_COMFOLLOW; 1191590Srgrimes if (Lflag) { 1201590Srgrimes ftsoptions &= ~FTS_PHYSICAL; 1211590Srgrimes ftsoptions |= FTS_LOGICAL; 1221590Srgrimes } 1231590Srgrimes 1241590Srgrimes /* 1251590Srgrimes * Find first option to delimit the file list. The first argument 1261590Srgrimes * that starts with a -, or is a ! or a ( must be interpreted as a 1271590Srgrimes * part of the find expression, according to POSIX .2. 1281590Srgrimes */ 1291590Srgrimes for (; *argv != NULL; *p++ = *argv++) { 1301590Srgrimes if (argv[0][0] == '-') 1311590Srgrimes break; 1321590Srgrimes if ((argv[0][0] == '!' || argv[0][0] == '(') && 1331590Srgrimes argv[0][1] == '\0') 1341590Srgrimes break; 1351590Srgrimes } 1361590Srgrimes 1371590Srgrimes if (p == start) 1381590Srgrimes usage(); 1391590Srgrimes *p = NULL; 1401590Srgrimes 1411590Srgrimes if ((dotfd = open(".", O_RDONLY, 0)) < 0) 1421590Srgrimes err(1, "."); 1431590Srgrimes 1441590Srgrimes exit(find_execute(find_formplan(argv), start)); 1451590Srgrimes} 1461590Srgrimes 1471590Srgrimesstatic void 1481590Srgrimesusage() 1491590Srgrimes{ 1501590Srgrimes (void)fprintf(stderr, 1511590Srgrimes"usage: find [-H | -L | -P] [-Xdx] [-f file] [file ...] [expression]\n"); 1521590Srgrimes exit(1); 1531590Srgrimes} 154