1 /*- 2 * Copyright (c) 1990, 1993, 1994 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * Cimarron D. Taylor of the University of California, Berkeley. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. Neither the name of the University nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 */ 32 33 #ifndef lint 34 static const char copyright[] = 35 "@(#) Copyright (c) 1990, 1993, 1994\n\ 36 The Regents of the University of California. All rights reserved.\n"; 37 #endif /* not lint */ 38 39 #ifndef lint 40 #if 0 41 static char sccsid[] = "@(#)main.c 8.4 (Berkeley) 5/4/95"; 42 #endif 43 #endif /* not lint */ 44 45 #include <sys/cdefs.h> 46 __FBSDID("$FreeBSD$"); 47 48 #include <sys/types.h> 49 #include <sys/stat.h> 50 51 #include <err.h> 52 #include <errno.h> 53 #include <fcntl.h> 54 #include <fts.h> 55 #include <locale.h> 56 #include <regex.h> 57 #include <stdio.h> 58 #include <stdlib.h> 59 #include <time.h> 60 #include <unistd.h> 61 62 #include "find.h" 63 64 time_t now; /* time find was run */ 65 int dotfd; /* starting directory */ 66 int ftsoptions; /* options for the ftsopen(3) call */ 67 int ignore_readdir_race; /* ignore readdir race */ 68 int isdeprecated; /* using deprecated syntax */ 69 int isdepth; /* do directories on post-order visit */ 70 int isoutput; /* user specified output operator */ 71 int issort; /* do hierarchies in lexicographical order */ 72 int isxargs; /* don't permit xargs delimiting chars */ 73 int mindepth = -1, maxdepth = -1; /* minimum and maximum depth */ 74 int regexp_flags = REG_BASIC; /* use the "basic" regexp by default*/ 75 int exitstatus; 76 77 static void usage(void); 78 79 int 80 main(int argc, char *argv[]) 81 { 82 char **p, **start; 83 int Hflag, Lflag, ch; 84 85 (void)setlocale(LC_ALL, ""); 86 87 (void)time(&now); /* initialize the time-of-day */ 88 89 p = start = argv; 90 Hflag = Lflag = 0; 91 ftsoptions = FTS_NOSTAT | FTS_PHYSICAL; 92 while ((ch = getopt(argc, argv, "EHLPXdf:sx")) != -1) 93 switch (ch) { 94 case 'E': 95 regexp_flags |= REG_EXTENDED; 96 break; 97 case 'H': 98 Hflag = 1; 99 Lflag = 0; 100 break; 101 case 'L': 102 Lflag = 1; 103 Hflag = 0; 104 break; 105 case 'P': 106 Hflag = Lflag = 0; 107 break; 108 case 'X': 109 isxargs = 1; 110 break; 111 case 'd': 112 isdepth = 1; 113 break; 114 case 'f': 115 *p++ = optarg; 116 break; 117 case 's': 118 issort = 1; 119 break; 120 case 'x': 121 ftsoptions |= FTS_XDEV; 122 break; 123 case '?': 124 default: 125 usage(); 126 } 127 128 argc -= optind; 129 argv += optind; 130 131 if (Hflag) 132 ftsoptions |= FTS_COMFOLLOW; 133 if (Lflag) { 134 ftsoptions &= ~FTS_PHYSICAL; 135 ftsoptions |= FTS_LOGICAL; 136 } 137 138 /* 139 * Find first option to delimit the file list. The first argument 140 * that starts with a -, or is a ! or a ( must be interpreted as a 141 * part of the find expression, according to POSIX .2. 142 */ 143 for (; *argv != NULL; *p++ = *argv++) { 144 if (argv[0][0] == '-') 145 break; 146 if ((argv[0][0] == '!' || argv[0][0] == '(') && 147 argv[0][1] == '\0') 148 break; 149 } 150 151 if (p == start) 152 usage(); 153 *p = NULL; 154 155 if ((dotfd = open(".", O_RDONLY | O_CLOEXEC, 0)) < 0) 156 ftsoptions |= FTS_NOCHDIR; 157 158 exit(find_execute(find_formplan(argv), start)); 159 } 160 161 static void 162 usage(void) 163 { 164 (void)fprintf(stderr, "%s\n%s\n", 165 "usage: find [-H | -L | -P] [-EXdsx] [-f path] path ... [expression]", 166 " find [-H | -L | -P] [-EXdsx] -f path [path ...] [expression]"); 167 exit(1); 168 } 169