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