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. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by the University of 19 * California, Berkeley and its contributors. 20 * 4. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * @(#) Copyright (c) 1990, 1993, 1994 The Regents of the University of California. All rights reserved. 37 * @(#)main.c 8.4 (Berkeley) 5/4/95 38 * $FreeBSD: src/usr.bin/find/main.c,v 1.15 2003/06/14 13:00:21 markm Exp $ 39 * $DragonFly: src/usr.bin/find/main.c,v 1.6 2005/03/14 12:48:57 joerg Exp $ 40 */ 41 42 #include <sys/types.h> 43 #include <sys/stat.h> 44 45 #include <err.h> 46 #include <errno.h> 47 #include <fcntl.h> 48 #include <fts.h> 49 #include <locale.h> 50 #include <regex.h> 51 #include <stdio.h> 52 #include <stdlib.h> 53 #include <time.h> 54 #include <unistd.h> 55 56 #include "find.h" 57 58 time_t now; /* time find was run */ 59 int dotfd; /* starting directory */ 60 int ftsoptions; /* options for the ftsopen(3) call */ 61 int isdeprecated; /* using deprecated syntax */ 62 int isdepth; /* do directories on post-order visit */ 63 int isoutput; /* user specified output operator */ 64 int issort; /* do hierarchies in lexicographical order */ 65 int isxargs; /* don't permit xargs delimiting chars */ 66 int mindepth = -1, maxdepth = -1; /* minimum and maximum depth */ 67 int regexp_flags = REG_BASIC; /* use the "basic" regexp by default*/ 68 69 static void usage(void); 70 71 int 72 main(int argc, char *argv[]) 73 { 74 char **p, **start; 75 int Hflag, Lflag, ch; 76 77 setlocale(LC_ALL, ""); 78 79 time(&now); /* initialize the time-of-day */ 80 81 p = start = argv; 82 Hflag = Lflag = 0; 83 ftsoptions = FTS_NOSTAT | FTS_PHYSICAL; 84 while ((ch = getopt(argc, argv, "+EHLPXdf:sx")) != -1) 85 switch (ch) { 86 case 'E': 87 regexp_flags |= REG_EXTENDED; 88 break; 89 case 'H': 90 Hflag = 1; 91 Lflag = 0; 92 break; 93 case 'L': 94 Lflag = 1; 95 Hflag = 0; 96 break; 97 case 'P': 98 Hflag = Lflag = 0; 99 break; 100 case 'X': 101 isxargs = 1; 102 break; 103 case 'd': 104 isdepth = 1; 105 break; 106 case 'f': 107 *p++ = optarg; 108 break; 109 case 's': 110 issort = 1; 111 break; 112 case 'x': 113 ftsoptions |= FTS_XDEV; 114 break; 115 case '?': 116 default: 117 break; 118 } 119 120 argc -= optind; 121 argv += optind; 122 123 if (Hflag) 124 ftsoptions |= FTS_COMFOLLOW; 125 if (Lflag) { 126 ftsoptions &= ~FTS_PHYSICAL; 127 ftsoptions |= FTS_LOGICAL; 128 } 129 130 /* 131 * Find first option to delimit the file list. The first argument 132 * that starts with a -, or is a ! or a ( must be interpreted as a 133 * part of the find expression, according to POSIX .2. 134 */ 135 for (; *argv != NULL; *p++ = *argv++) { 136 if (argv[0][0] == '-') 137 break; 138 if ((argv[0][0] == '!' || argv[0][0] == '(') && 139 argv[0][1] == '\0') 140 break; 141 } 142 143 if (p == start) 144 usage(); 145 *p = NULL; 146 147 if ((dotfd = open(".", O_RDONLY, 0)) < 0) 148 err(1, "."); 149 150 exit(find_execute(find_formplan(argv), start)); 151 } 152 153 static void 154 usage(void) 155 { 156 fprintf(stderr, 157 "usage: find [-H | -L | -P] [-EXdsx] [-f file] [file ...] [expression]\n"); 158 exit(1); 159 } 160