1 /* $NetBSD: main.c,v 1.31 2013/01/24 17:50:08 christos Exp $ */ 2 3 /*- 4 * Copyright (c) 1990, 1993, 1994 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * Cimarron D. Taylor of the University of California, Berkeley. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. Neither the name of the University nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 */ 34 35 #include <sys/cdefs.h> 36 #ifndef lint 37 #if 0 38 static char sccsid[] = "@(#)main.c 8.4 (Berkeley) 5/4/95"; 39 #else 40 __COPYRIGHT("@(#) Copyright (c) 1990, 1993, 1994\ 41 The Regents of the University of California. All rights reserved."); 42 __RCSID("$NetBSD: main.c,v 1.31 2013/01/24 17:50:08 christos Exp $"); 43 #endif 44 #endif /* not lint */ 45 46 #include <sys/types.h> 47 #include <sys/stat.h> 48 49 #include <err.h> 50 #include <errno.h> 51 #include <fcntl.h> 52 #include <fts.h> 53 #include <locale.h> 54 #include <stdio.h> 55 #include <stdlib.h> 56 #include <string.h> 57 #include <time.h> 58 #include <unistd.h> 59 60 #include "find.h" 61 62 time_t now; /* time find was run */ 63 int dotfd; /* starting directory */ 64 int ftsoptions; /* options for the ftsopen(3) call */ 65 int isdeprecated; /* using deprecated syntax */ 66 int isdepth; /* do directories on post-order visit */ 67 int isoutput; /* user specified output operator */ 68 int issort; /* sort directory entries */ 69 int isxargs; /* don't permit xargs delimiting chars */ 70 int regcomp_flags = REG_BASIC; /* regex compilation flags */ 71 72 __dead static void usage(void); 73 74 int 75 main(int argc, char *argv[]) 76 { 77 char **p, **start; 78 int ch; 79 80 (void)time(&now); /* initialize the time-of-day */ 81 (void)setlocale(LC_ALL, ""); 82 83 /* array to hold dir list. at most (argc - 1) elements. */ 84 p = start = malloc(argc * sizeof (char *)); 85 if (p == NULL) 86 err(1, NULL); 87 88 ftsoptions = FTS_NOSTAT | FTS_PHYSICAL; 89 while ((ch = getopt(argc, argv, "HLPdEf:hsXx")) != -1) 90 switch (ch) { 91 case 'H': 92 ftsoptions &= ~FTS_LOGICAL; 93 ftsoptions |= FTS_PHYSICAL|FTS_COMFOLLOW; 94 break; 95 case 'L': 96 ftsoptions &= ~(FTS_COMFOLLOW|FTS_PHYSICAL); 97 ftsoptions |= FTS_LOGICAL; 98 break; 99 case 'P': 100 ftsoptions &= ~(FTS_COMFOLLOW|FTS_LOGICAL); 101 ftsoptions |= FTS_PHYSICAL; 102 break; 103 case 'd': 104 isdepth = 1; 105 break; 106 case 'E': 107 regcomp_flags = REG_EXTENDED; 108 break; 109 case 'f': 110 *p++ = optarg; 111 break; 112 case 'h': 113 ftsoptions &= ~FTS_PHYSICAL; 114 ftsoptions |= FTS_LOGICAL; 115 break; 116 case 's': 117 issort = 1; 118 break; 119 case 'X': 120 isxargs = 1; 121 break; 122 case 'x': 123 ftsoptions |= FTS_XDEV; 124 break; 125 case '?': 126 default: 127 break; 128 } 129 130 argc -= optind; 131 argv += optind; 132 133 /* 134 * Find first option to delimit the file list. The first argument 135 * that starts with a -, or is a ! or a ( must be interpreted as a 136 * part of the find expression, according to POSIX .2. 137 */ 138 for (; *argv != NULL; *p++ = *argv++) { 139 if (argv[0][0] == '-') 140 break; 141 if ((argv[0][0] == '!' || argv[0][0] == '(') && 142 argv[0][1] == '\0') 143 break; 144 } 145 146 if (p == start) 147 usage(); 148 149 *p = NULL; 150 151 if ((dotfd = open(".", O_RDONLY | O_CLOEXEC, 0)) == -1) 152 err(1, "."); 153 154 exit(find_execute(find_formplan(argv), start)); 155 } 156 157 static void 158 usage(void) 159 { 160 161 (void)fprintf(stderr, "Usage: %s [-H | -L | -P] [-dEhsXx] [-f file] " 162 "file [file ...] [expression]\n", getprogname()); 163 exit(1); 164 } 165