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 * @(#) Copyright (c) 1990, 1993, 1994 The Regents of the University of California. All rights reserved. 33 * @(#)main.c 8.4 (Berkeley) 5/4/95 34 * $FreeBSD: src/usr.bin/find/main.c,v 1.23 2011/12/10 18:11:06 ed Exp $ 35 */ 36 37 #include <sys/types.h> 38 #include <sys/stat.h> 39 40 #include <err.h> 41 #include <errno.h> 42 #include <fcntl.h> 43 #include <fts.h> 44 #include <locale.h> 45 #include <regex.h> 46 #include <stdio.h> 47 #include <stdlib.h> 48 #include <time.h> 49 #include <unistd.h> 50 51 #include "find.h" 52 53 time_t now; /* time find was run */ 54 int dotfd; /* starting directory */ 55 int ftsoptions; /* options for the ftsopen(3) call */ 56 int isdeprecated; /* using deprecated syntax */ 57 int isdepth; /* do directories on post-order visit */ 58 int isoutput; /* user specified output operator */ 59 int issort; /* do hierarchies in lexicographical order */ 60 int isxargs; /* don't permit xargs delimiting chars */ 61 int mindepth = -1, maxdepth = -1; /* minimum and maximum depth */ 62 int regexp_flags = REG_BASIC; /* use the "basic" regexp by default*/ 63 64 static void usage(void); 65 66 int 67 main(int argc, char *argv[]) 68 { 69 char **p, **start; 70 int Hflag, Lflag, ch; 71 72 setlocale(LC_ALL, ""); 73 74 time(&now); /* initialize the time-of-day */ 75 76 p = start = argv; 77 Hflag = Lflag = 0; 78 ftsoptions = FTS_NOSTAT | FTS_PHYSICAL; 79 while ((ch = getopt(argc, argv, "+EHLPXdf:sx")) != -1) 80 switch (ch) { 81 case 'E': 82 regexp_flags |= REG_EXTENDED; 83 break; 84 case 'H': 85 Hflag = 1; 86 Lflag = 0; 87 break; 88 case 'L': 89 Lflag = 1; 90 Hflag = 0; 91 break; 92 case 'P': 93 Hflag = Lflag = 0; 94 break; 95 case 'X': 96 isxargs = 1; 97 break; 98 case 'd': 99 isdepth = 1; 100 break; 101 case 'f': 102 *p++ = optarg; 103 break; 104 case 's': 105 issort = 1; 106 break; 107 case 'x': 108 ftsoptions |= FTS_XDEV; 109 break; 110 case '?': 111 default: 112 usage(); 113 } 114 115 argc -= optind; 116 argv += optind; 117 118 if (Hflag) 119 ftsoptions |= FTS_COMFOLLOW; 120 if (Lflag) { 121 ftsoptions &= ~FTS_PHYSICAL; 122 ftsoptions |= FTS_LOGICAL; 123 } 124 125 /* 126 * Find first option to delimit the file list. The first argument 127 * that starts with a -, or is a ! or a ( must be interpreted as a 128 * part of the find expression, according to POSIX .2. 129 */ 130 for (; *argv != NULL; *p++ = *argv++) { 131 if (argv[0][0] == '-') 132 break; 133 if ((argv[0][0] == '!' || argv[0][0] == '(') && 134 argv[0][1] == '\0') 135 break; 136 } 137 138 if (p == start) 139 usage(); 140 *p = NULL; 141 142 if ((dotfd = open(".", O_RDONLY, 0)) < 0) 143 err(1, "."); 144 145 exit(find_execute(find_formplan(argv), start)); 146 } 147 148 static void 149 usage(void) 150 { 151 fprintf(stderr, "%s\n%s\n", 152 "usage: find [-H | -L | -P] [-EXdsx] [-f path] path ... [expression]", 153 " find [-H | -L | -P] [-EXdsx] -f path [path ...] [expression]"); 154 exit(1); 155 } 156