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 static const char copyright[] = 36 "@(#) Copyright (c) 1990, 1993, 1994\n\ 37 The Regents of the University of California. All rights reserved.\n"; 38 39 #if 0 40 static char sccsid[] = "@(#)main.c 8.4 (Berkeley) 5/4/95"; 41 #endif 42 43 #include <sys/cdefs.h> 44 __FBSDID("$FreeBSD$"); 45 46 #include <sys/types.h> 47 #include <sys/stat.h> 48 49 #include <err.h> 50 #include <errno.h> 51 #include <fcntl.h> 52 #include <fts.h> 53 #include <locale.h> 54 #include <regex.h> 55 #include <stdio.h> 56 #include <stdlib.h> 57 #include <time.h> 58 #include <unistd.h> 59 60 #include "find.h" 61 62 time_t now; /* time find was run */ 63 int dotfd; /* starting directory */ 64 int ftsoptions; /* options for the ftsopen(3) call */ 65 int ignore_readdir_race; /* ignore readdir race */ 66 int isdepth; /* do directories on post-order visit */ 67 int isoutput; /* user specified output operator */ 68 int issort; /* do hierarchies in lexicographical order */ 69 int isxargs; /* don't permit xargs delimiting chars */ 70 int mindepth = -1, maxdepth = -1; /* minimum and maximum depth */ 71 int regexp_flags = REG_BASIC; /* use the "basic" regexp by default*/ 72 int exitstatus; 73 74 static void usage(void); 75 76 int 77 main(int argc, char *argv[]) 78 { 79 char **p, **start; 80 int Hflag, Lflag, ch; 81 82 (void)setlocale(LC_ALL, ""); 83 84 (void)time(&now); /* initialize the time-of-day */ 85 86 p = start = argv; 87 Hflag = Lflag = 0; 88 ftsoptions = FTS_NOSTAT | FTS_PHYSICAL; 89 while ((ch = getopt(argc, argv, "EHLPXdf:sx")) != -1) 90 switch (ch) { 91 case 'E': 92 regexp_flags |= REG_EXTENDED; 93 break; 94 case 'H': 95 Hflag = 1; 96 Lflag = 0; 97 break; 98 case 'L': 99 Lflag = 1; 100 Hflag = 0; 101 break; 102 case 'P': 103 Hflag = Lflag = 0; 104 break; 105 case 'X': 106 isxargs = 1; 107 break; 108 case 'd': 109 isdepth = 1; 110 break; 111 case 'f': 112 *p++ = optarg; 113 break; 114 case 's': 115 issort = 1; 116 break; 117 case 'x': 118 ftsoptions |= FTS_XDEV; 119 break; 120 case '?': 121 default: 122 usage(); 123 } 124 125 argc -= optind; 126 argv += optind; 127 128 if (Hflag) 129 ftsoptions |= FTS_COMFOLLOW; 130 if (Lflag) { 131 ftsoptions &= ~FTS_PHYSICAL; 132 ftsoptions |= FTS_LOGICAL; 133 } 134 135 /* 136 * Find first option to delimit the file list. The first argument 137 * that starts with a -, or is a ! or a ( must be interpreted as a 138 * part of the find expression, according to POSIX .2. 139 */ 140 for (; *argv != NULL; *p++ = *argv++) { 141 if (argv[0][0] == '-') 142 break; 143 if ((argv[0][0] == '!' || argv[0][0] == '(') && 144 argv[0][1] == '\0') 145 break; 146 } 147 148 if (p == start) 149 usage(); 150 *p = NULL; 151 152 if ((dotfd = open(".", O_RDONLY | O_CLOEXEC, 0)) < 0) 153 ftsoptions |= FTS_NOCHDIR; 154 155 exit(find_execute(find_formplan(argv), start)); 156 } 157 158 static void 159 usage(void) 160 { 161 (void)fprintf(stderr, "%s\n%s\n", 162 "usage: find [-H | -L | -P] [-EXdsx] [-f path] path ... [expression]", 163 " find [-H | -L | -P] [-EXdsx] -f path [path ...] [expression]"); 164 exit(1); 165 } 166