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 #include <sys/types.h> 45 #include <sys/stat.h> 46 47 #include <err.h> 48 #include <errno.h> 49 #include <fcntl.h> 50 #include <fts.h> 51 #include <locale.h> 52 #include <regex.h> 53 #include <stdio.h> 54 #include <stdlib.h> 55 #include <time.h> 56 #include <unistd.h> 57 58 #include "find.h" 59 60 time_t now; /* time find was run */ 61 int dotfd; /* starting directory */ 62 int ftsoptions; /* options for the ftsopen(3) call */ 63 int ignore_readdir_race; /* ignore readdir race */ 64 int isdepth; /* do directories on post-order visit */ 65 int isoutput; /* user specified output operator */ 66 int issort; /* do hierarchies in lexicographical order */ 67 int isxargs; /* don't permit xargs delimiting chars */ 68 int mindepth = -1, maxdepth = -1; /* minimum and maximum depth */ 69 int regexp_flags = REG_BASIC; /* use the "basic" regexp by default*/ 70 int exitstatus; 71 72 static void usage(void) __dead2; 73 74 int 75 main(int argc, char *argv[]) 76 { 77 char **p, **start; 78 int Hflag, Lflag, ch; 79 80 (void)setlocale(LC_ALL, ""); 81 82 (void)time(&now); /* initialize the time-of-day */ 83 84 p = start = argv; 85 Hflag = Lflag = 0; 86 ftsoptions = FTS_NOSTAT | FTS_PHYSICAL; 87 while ((ch = getopt(argc, argv, "EHLPXdf:sx")) != -1) 88 switch (ch) { 89 case 'E': 90 regexp_flags |= REG_EXTENDED; 91 break; 92 case 'H': 93 Hflag = 1; 94 Lflag = 0; 95 break; 96 case 'L': 97 Lflag = 1; 98 Hflag = 0; 99 break; 100 case 'P': 101 Hflag = Lflag = 0; 102 break; 103 case 'X': 104 isxargs = 1; 105 break; 106 case 'd': 107 isdepth = 1; 108 break; 109 case 'f': 110 *p++ = optarg; 111 break; 112 case 's': 113 issort = 1; 114 break; 115 case 'x': 116 ftsoptions |= FTS_XDEV; 117 break; 118 case '?': 119 default: 120 usage(); 121 } 122 123 argc -= optind; 124 argv += optind; 125 126 if (Hflag) 127 ftsoptions |= FTS_COMFOLLOW; 128 if (Lflag) { 129 ftsoptions &= ~FTS_PHYSICAL; 130 ftsoptions |= FTS_LOGICAL; 131 } 132 133 /* 134 * Find first option to delimit the file list. The first argument 135 * that starts with a -, or is a ! or a ( must be interpreted as a 136 * part of the find expression, according to POSIX .2. 137 */ 138 for (; *argv != NULL; *p++ = *argv++) { 139 if (argv[0][0] == '-') 140 break; 141 if ((argv[0][0] == '!' || argv[0][0] == '(') && 142 argv[0][1] == '\0') 143 break; 144 } 145 146 if (p == start) 147 usage(); 148 *p = NULL; 149 150 if ((dotfd = open(".", O_RDONLY | O_CLOEXEC, 0)) < 0) 151 ftsoptions |= FTS_NOCHDIR; 152 153 exit(find_execute(find_formplan(argv), start)); 154 } 155 156 static void 157 usage(void) 158 { 159 (void)fprintf(stderr, "%s\n%s\n", 160 "usage: find [-H | -L | -P] [-EXdsx] [-f path] path ... [expression]", 161 " find [-H | -L | -P] [-EXdsx] -f path [path ...] [expression]"); 162 exit(1); 163 } 164