main.c revision 222697
169783Smsmith/*- 269783Smsmith * Copyright (c) 1990, 1993, 1994 369783Smsmith * The Regents of the University of California. All rights reserved. 469783Smsmith * 569783Smsmith * This code is derived from software contributed to Berkeley by 669783Smsmith * Cimarron D. Taylor of the University of California, Berkeley. 769783Smsmith * 869783Smsmith * Redistribution and use in source and binary forms, with or without 969783Smsmith * modification, are permitted provided that the following conditions 1069783Smsmith * are met: 1169783Smsmith * 1. Redistributions of source code must retain the above copyright 1269783Smsmith * notice, this list of conditions and the following disclaimer. 1369783Smsmith * 2. Redistributions in binary form must reproduce the above copyright 1469783Smsmith * notice, this list of conditions and the following disclaimer in the 1569783Smsmith * documentation and/or other materials provided with the distribution. 1669783Smsmith * 4. Neither the name of the University nor the names of its contributors 1769783Smsmith * may be used to endorse or promote products derived from this software 1869783Smsmith * without specific prior written permission. 1969783Smsmith * 2069783Smsmith * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 2169783Smsmith * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2269783Smsmith * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2369783Smsmith * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 2469783Smsmith * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2569783Smsmith * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2669783Smsmith * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2769783Smsmith * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2869783Smsmith * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2969783Smsmith * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3069783Smsmith * SUCH DAMAGE. 31119418Sobrien */ 32119418Sobrien 33119418Sobrien#ifndef lint 3469783Smsmithchar copyright[] = 3569783Smsmith"@(#) Copyright (c) 1990, 1993, 1994\n\ 3669783Smsmith The Regents of the University of California. All rights reserved.\n"; 3769783Smsmith#endif /* not lint */ 3869783Smsmith 3969783Smsmith#ifndef lint 4069783Smsmith#if 0 41129876Sphkstatic char sccsid[] = "@(#)main.c 8.4 (Berkeley) 5/4/95"; 4269783Smsmith#endif 43107546Simp#endif /* not lint */ 44107546Simp 45106844Smdodd#include <sys/cdefs.h> 4669783Smsmith__FBSDID("$FreeBSD: head/usr.bin/find/main.c 222697 2011-06-04 21:59:55Z jilles $"); 4769783Smsmith 4869783Smsmith#include <sys/types.h> 49119285Simp#include <sys/stat.h> 50119285Simp 51119285Simp#include <err.h> 5269783Smsmith#include <errno.h> 5369783Smsmith#include <fcntl.h> 5469783Smsmith#include <fts.h> 5569783Smsmith#include <locale.h> 5669783Smsmith#include <regex.h> 5769783Smsmith#include <stdio.h> 5869783Smsmith#include <stdlib.h> 5969783Smsmith#include <time.h> 6069783Smsmith#include <unistd.h> 61145661Simp 6269783Smsmith#include "find.h" 6369783Smsmith 6469783Smsmithtime_t now; /* time find was run */ 6569783Smsmithint dotfd; /* starting directory */ 6669783Smsmithint ftsoptions; /* options for the ftsopen(3) call */ 6769783Smsmithint isdeprecated; /* using deprecated syntax */ 6869783Smsmithint isdepth; /* do directories on post-order visit */ 6969783Smsmithint isoutput; /* user specified output operator */ 7069783Smsmithint issort; /* do hierarchies in lexicographical order */ 7169783Smsmithint isxargs; /* don't permit xargs delimiting chars */ 7269783Smsmithint mindepth = -1, maxdepth = -1; /* minimum and maximum depth */ 7369783Smsmithint regexp_flags = REG_BASIC; /* use the "basic" regexp by default*/ 7469783Smsmith 7569783Smsmithstatic void usage(void); 7669783Smsmith 7769783Smsmithint 7869783Smsmithmain(int argc, char *argv[]) 7969783Smsmith{ 8069783Smsmith char **p, **start; 8169783Smsmith int Hflag, Lflag, ch; 82164264Sjhb 83164264Sjhb (void)setlocale(LC_ALL, ""); 84164264Sjhb 85164264Sjhb (void)time(&now); /* initialize the time-of-day */ 86169221Sjhb 8769783Smsmith p = start = argv; 8869783Smsmith Hflag = Lflag = 0; 8969783Smsmith ftsoptions = FTS_NOSTAT | FTS_PHYSICAL; 9069783Smsmith while ((ch = getopt(argc, argv, "EHLPXdf:sx")) != -1) 91154079Sjhb switch (ch) { 9269783Smsmith case 'E': 93154079Sjhb regexp_flags |= REG_EXTENDED; 9469783Smsmith break; 9569783Smsmith case 'H': 9669783Smsmith Hflag = 1; 97163805Simp Lflag = 0; 98163805Simp break; 99163805Simp case 'L': 100163805Simp Lflag = 1; 101163805Simp Hflag = 0; 102163805Simp break; 103163805Simp case 'P': 104163805Simp Hflag = Lflag = 0; 105163805Simp break; 106163805Simp case 'X': 107163805Simp isxargs = 1; 108163805Simp break; 109163805Simp case 'd': 110163805Simp isdepth = 1; 111163805Simp break; 112163805Simp case 'f': 113163805Simp *p++ = optarg; 114163805Simp break; 115163805Simp case 's': 116163805Simp issort = 1; 117163805Simp break; 118163805Simp case 'x': 119163805Simp ftsoptions |= FTS_XDEV; 120163805Simp break; 121163805Simp case '?': 122163805Simp default: 123163805Simp usage(); 12469783Smsmith } 12569783Smsmith 12669783Smsmith argc -= optind; 12769783Smsmith argv += optind; 12869783Smsmith 12969783Smsmith if (Hflag) 13069783Smsmith ftsoptions |= FTS_COMFOLLOW; 13169783Smsmith if (Lflag) { 13269783Smsmith ftsoptions &= ~FTS_PHYSICAL; 13369783Smsmith ftsoptions |= FTS_LOGICAL; 13469783Smsmith } 13569783Smsmith 13669783Smsmith /* 137102441Sjhb * Find first option to delimit the file list. The first argument 138102441Sjhb * that starts with a -, or is a ! or a ( must be interpreted as a 13969783Smsmith * part of the find expression, according to POSIX .2. 14069783Smsmith */ 141119266Simp for (; *argv != NULL; *p++ = *argv++) { 142181789Simp if (argv[0][0] == '-') 143181789Simp break; 14469783Smsmith if ((argv[0][0] == '!' || argv[0][0] == '(') && 14569783Smsmith argv[0][1] == '\0') 14669783Smsmith break; 14769783Smsmith } 14869908Smsmith 14969908Smsmith if (p == start) 15069908Smsmith usage(); 15169953Smsmith *p = NULL; 152172394Smarius 153181789Simp if ((dotfd = open(".", O_RDONLY, 0)) < 0) 15469908Smsmith err(1, "."); 15569908Smsmith 15669908Smsmith exit(find_execute(find_formplan(argv), start)); 15769908Smsmith} 15869908Smsmith 15969783Smsmithstatic void 16069908Smsmithusage(void) 161181789Simp{ 162181789Simp (void)fprintf(stderr, "%s\n%s\n", 163181789Simp"usage: find [-H | -L | -P] [-EXdsx] [-f path] path ... [expression]", 164181789Simp" find [-H | -L | -P] [-EXdsx] -f path [path ...] [expression]"); 165181789Simp exit(1); 166181789Simp} 167181789Simp