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 37 #ifndef lint 38 char copyright[] = 39 "@(#) Copyright (c) 1990, 1993, 1994\n\ 40 The Regents of the University of California. All rights reserved.\n"; 41 #endif /* not lint */ 42 43 #ifndef lint 44 #if 0 45 static char sccsid[] = "@(#)main.c 8.4 (Berkeley) 5/4/95"; 46 #else 47 static const char rcsid[] = 48 "$FreeBSD: src/usr.bin/find/main.c,v 1.9.6.2 2001/02/25 21:56:59 knu Exp $"; 49 #endif 50 #endif /* not lint */ 51 52 #include <sys/types.h> 53 #include <sys/stat.h> 54 55 #include <err.h> 56 #include <errno.h> 57 #include <fcntl.h> 58 #include <fts.h> 59 #include <locale.h> 60 #include <regex.h> 61 #include <stdio.h> 62 #include <stdlib.h> 63 #include <time.h> 64 #include <unistd.h> 65 66 #include "find.h" 67 68 time_t now; /* time find was run */ 69 int dotfd; /* starting directory */ 70 int ftsoptions; /* options for the ftsopen(3) call */ 71 int isdeprecated; /* using deprecated syntax */ 72 int isdepth; /* do directories on post-order visit */ 73 int isoutput; /* user specified output operator */ 74 int issort; /* do hierarchies in lexicographical order */ 75 int isxargs; /* don't permit xargs delimiting chars */ 76 int mindepth = -1, maxdepth = -1; /* minimum and maximum depth */ 77 int regexp_flags = REG_BASIC; /* use the "basic" regexp by default*/ 78 79 static void usage __P((void)); 80 81 int 82 main(argc, argv) 83 int argc; 84 char *argv[]; 85 { 86 register char **p, **start; 87 int Hflag, Lflag, ch; 88 89 (void)setlocale(LC_ALL, ""); 90 91 (void)time(&now); /* initialize the time-of-day */ 92 93 p = start = argv; 94 Hflag = Lflag = 0; 95 ftsoptions = FTS_NOSTAT | FTS_PHYSICAL; 96 while ((ch = getopt(argc, argv, "EHLPXdf:sx")) != -1) 97 switch (ch) { 98 case 'E': 99 regexp_flags |= REG_EXTENDED; 100 break; 101 case 'H': 102 Hflag = 1; 103 Lflag = 0; 104 break; 105 case 'L': 106 Lflag = 1; 107 Hflag = 0; 108 break; 109 case 'P': 110 Hflag = Lflag = 0; 111 break; 112 case 'X': 113 isxargs = 1; 114 break; 115 case 'd': 116 isdepth = 1; 117 break; 118 case 'f': 119 *p++ = optarg; 120 break; 121 case 's': 122 issort = 1; 123 break; 124 case 'x': 125 ftsoptions |= FTS_XDEV; 126 break; 127 case '?': 128 default: 129 break; 130 } 131 132 argc -= optind; 133 argv += optind; 134 135 if (Hflag) 136 ftsoptions |= FTS_COMFOLLOW; 137 if (Lflag) { 138 ftsoptions &= ~FTS_PHYSICAL; 139 ftsoptions |= FTS_LOGICAL; 140 } 141 142 /* 143 * Find first option to delimit the file list. The first argument 144 * that starts with a -, or is a ! or a ( must be interpreted as a 145 * part of the find expression, according to POSIX .2. 146 */ 147 for (; *argv != NULL; *p++ = *argv++) { 148 if (argv[0][0] == '-') 149 break; 150 if ((argv[0][0] == '!' || argv[0][0] == '(') && 151 argv[0][1] == '\0') 152 break; 153 } 154 155 if (p == start) 156 usage(); 157 *p = NULL; 158 159 if ((dotfd = open(".", O_RDONLY, 0)) < 0) 160 err(1, "."); 161 162 exit(find_execute(find_formplan(argv), start)); 163 } 164 165 static void 166 usage() 167 { 168 (void)fprintf(stderr, 169 "usage: find [-H | -L | -P] [-EXdsx] [-f file] [file ...] [expression]\n"); 170 exit(1); 171 } 172