1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 1990, 1993, 1994 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * Cimarron D. Taylor of the University of California, Berkeley. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. Neither the name of the University nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 */ 34 35 #ifndef lint 36 static const char copyright[] = 37 "@(#) Copyright (c) 1990, 1993, 1994\n\ 38 The Regents of the University of California. All rights reserved.\n"; 39 #endif /* not lint */ 40 41 #ifndef lint 42 #if 0 43 static char sccsid[] = "@(#)main.c 8.4 (Berkeley) 5/4/95"; 44 #endif 45 #endif /* not lint */ 46 47 #include <sys/cdefs.h> 48 __FBSDID("$FreeBSD$"); 49 50 #include <sys/types.h> 51 #include <sys/stat.h> 52 53 #include <err.h> 54 #include <errno.h> 55 #include <fcntl.h> 56 #include <fts.h> 57 #include <locale.h> 58 #include <regex.h> 59 #include <stdio.h> 60 #include <stdlib.h> 61 #include <time.h> 62 #include <unistd.h> 63 64 #include "find.h" 65 66 time_t now; /* time find was run */ 67 int dotfd; /* starting directory */ 68 int ftsoptions; /* options for the ftsopen(3) call */ 69 int ignore_readdir_race; /* ignore readdir race */ 70 int isdepth; /* do directories on post-order visit */ 71 int isoutput; /* user specified output operator */ 72 int issort; /* do hierarchies in lexicographical order */ 73 int isxargs; /* don't permit xargs delimiting chars */ 74 int mindepth = -1, maxdepth = -1; /* minimum and maximum depth */ 75 int regexp_flags = REG_BASIC; /* use the "basic" regexp by default*/ 76 int exitstatus; 77 78 static void usage(void); 79 80 int 81 main(int argc, char *argv[]) 82 { 83 char **p, **start; 84 int Hflag, Lflag, ch; 85 86 (void)setlocale(LC_ALL, ""); 87 88 (void)time(&now); /* initialize the time-of-day */ 89 90 p = start = argv; 91 Hflag = Lflag = 0; 92 ftsoptions = FTS_NOSTAT | FTS_PHYSICAL; 93 while ((ch = getopt(argc, argv, "EHLPXdf:sx")) != -1) 94 switch (ch) { 95 case 'E': 96 regexp_flags |= REG_EXTENDED; 97 break; 98 case 'H': 99 Hflag = 1; 100 Lflag = 0; 101 break; 102 case 'L': 103 Lflag = 1; 104 Hflag = 0; 105 break; 106 case 'P': 107 Hflag = Lflag = 0; 108 break; 109 case 'X': 110 isxargs = 1; 111 break; 112 case 'd': 113 isdepth = 1; 114 break; 115 case 'f': 116 *p++ = optarg; 117 break; 118 case 's': 119 issort = 1; 120 break; 121 case 'x': 122 ftsoptions |= FTS_XDEV; 123 break; 124 case '?': 125 default: 126 usage(); 127 } 128 129 argc -= optind; 130 argv += optind; 131 132 if (Hflag) 133 ftsoptions |= FTS_COMFOLLOW; 134 if (Lflag) { 135 ftsoptions &= ~FTS_PHYSICAL; 136 ftsoptions |= FTS_LOGICAL; 137 } 138 139 /* 140 * Find first option to delimit the file list. The first argument 141 * that starts with a -, or is a ! or a ( must be interpreted as a 142 * part of the find expression, according to POSIX .2. 143 */ 144 for (; *argv != NULL; *p++ = *argv++) { 145 if (argv[0][0] == '-') 146 break; 147 if ((argv[0][0] == '!' || argv[0][0] == '(') && 148 argv[0][1] == '\0') 149 break; 150 } 151 152 if (p == start) 153 usage(); 154 *p = NULL; 155 156 if ((dotfd = open(".", O_RDONLY | O_CLOEXEC, 0)) < 0) 157 ftsoptions |= FTS_NOCHDIR; 158 159 exit(find_execute(find_formplan(argv), start)); 160 } 161 162 static void 163 usage(void) 164 { 165 (void)fprintf(stderr, "%s\n%s\n", 166 "usage: find [-H | -L | -P] [-EXdsx] [-f path] path ... [expression]", 167 " find [-H | -L | -P] [-EXdsx] -f path [path ...] [expression]"); 168 exit(1); 169 } 170