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 * 4. 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 76 static void usage(void); 77 78 int 79 main(int argc, char *argv[]) 80 { 81 char **p, **start; 82 int Hflag, Lflag, ch; 83 84 (void)setlocale(LC_ALL, ""); 85 86 (void)time(&now); /* initialize the time-of-day */ 87 88 p = start = argv; 89 Hflag = Lflag = 0; 90 ftsoptions = FTS_NOSTAT | FTS_PHYSICAL; 91 while ((ch = getopt(argc, argv, "EHLPXdf:sx")) != -1) 92 switch (ch) { 93 case 'E': 94 regexp_flags |= REG_EXTENDED; 95 break; 96 case 'H': 97 Hflag = 1; 98 Lflag = 0; 99 break; 100 case 'L': 101 Lflag = 1; 102 Hflag = 0; 103 break; 104 case 'P': 105 Hflag = Lflag = 0; 106 break; 107 case 'X': 108 isxargs = 1; 109 break; 110 case 'd': 111 isdepth = 1; 112 break; 113 case 'f': 114 *p++ = optarg; 115 break; 116 case 's': 117 issort = 1; 118 break; 119 case 'x': 120 ftsoptions |= FTS_XDEV; 121 break; 122 case '?': 123 default: 124 usage(); 125 } 126 127 argc -= optind; 128 argv += optind; 129 130 if (Hflag) 131 ftsoptions |= FTS_COMFOLLOW; 132 if (Lflag) { 133 ftsoptions &= ~FTS_PHYSICAL; 134 ftsoptions |= FTS_LOGICAL; 135 } 136 137 /* 138 * Find first option to delimit the file list. The first argument 139 * that starts with a -, or is a ! or a ( must be interpreted as a 140 * part of the find expression, according to POSIX .2. 141 */ 142 for (; *argv != NULL; *p++ = *argv++) { 143 if (argv[0][0] == '-') 144 break; 145 if ((argv[0][0] == '!' || argv[0][0] == '(') && 146 argv[0][1] == '\0') 147 break; 148 } 149 150 if (p == start) 151 usage(); 152 *p = NULL; 153 154 if ((dotfd = open(".", O_RDONLY | O_CLOEXEC, 0)) < 0) 155 ftsoptions |= FTS_NOCHDIR; 156 157 exit(find_execute(find_formplan(argv), start)); 158 } 159 160 static void 161 usage(void) 162 { 163 (void)fprintf(stderr, "%s\n%s\n", 164 "usage: find [-H | -L | -P] [-EXdsx] [-f path] path ... [expression]", 165 " find [-H | -L | -P] [-EXdsx] -f path [path ...] [expression]"); 166 exit(1); 167 } 168