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 1.9.6.2 2001/02/25 21:56:59 knu Exp $ 39 * $DragonFly: src/usr.bin/find/main.c,v 1.2 2003/06/17 04:29:26 dillon 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 __P((void)); 70 71 int 72 main(argc, argv) 73 int argc; 74 char *argv[]; 75 { 76 register char **p, **start; 77 int Hflag, Lflag, ch; 78 79 (void)setlocale(LC_ALL, ""); 80 81 (void)time(&now); /* initialize the time-of-day */ 82 83 p = start = argv; 84 Hflag = Lflag = 0; 85 ftsoptions = FTS_NOSTAT | FTS_PHYSICAL; 86 while ((ch = getopt(argc, argv, "EHLPXdf:sx")) != -1) 87 switch (ch) { 88 case 'E': 89 regexp_flags |= REG_EXTENDED; 90 break; 91 case 'H': 92 Hflag = 1; 93 Lflag = 0; 94 break; 95 case 'L': 96 Lflag = 1; 97 Hflag = 0; 98 break; 99 case 'P': 100 Hflag = Lflag = 0; 101 break; 102 case 'X': 103 isxargs = 1; 104 break; 105 case 'd': 106 isdepth = 1; 107 break; 108 case 'f': 109 *p++ = optarg; 110 break; 111 case 's': 112 issort = 1; 113 break; 114 case 'x': 115 ftsoptions |= FTS_XDEV; 116 break; 117 case '?': 118 default: 119 break; 120 } 121 122 argc -= optind; 123 argv += optind; 124 125 if (Hflag) 126 ftsoptions |= FTS_COMFOLLOW; 127 if (Lflag) { 128 ftsoptions &= ~FTS_PHYSICAL; 129 ftsoptions |= FTS_LOGICAL; 130 } 131 132 /* 133 * Find first option to delimit the file list. The first argument 134 * that starts with a -, or is a ! or a ( must be interpreted as a 135 * part of the find expression, according to POSIX .2. 136 */ 137 for (; *argv != NULL; *p++ = *argv++) { 138 if (argv[0][0] == '-') 139 break; 140 if ((argv[0][0] == '!' || argv[0][0] == '(') && 141 argv[0][1] == '\0') 142 break; 143 } 144 145 if (p == start) 146 usage(); 147 *p = NULL; 148 149 if ((dotfd = open(".", O_RDONLY, 0)) < 0) 150 err(1, "."); 151 152 exit(find_execute(find_formplan(argv), start)); 153 } 154 155 static void 156 usage() 157 { 158 (void)fprintf(stderr, 159 "usage: find [-H | -L | -P] [-EXdsx] [-f file] [file ...] [expression]\n"); 160 exit(1); 161 } 162