1 /* $NetBSD: main.c,v 1.19 2002/09/27 23:29:12 thorpej 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. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the University of 21 * California, Berkeley and its contributors. 22 * 4. Neither the name of the University nor the names of its contributors 23 * may be used to endorse or promote products derived from this software 24 * without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 29 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 */ 38 39 #include <sys/cdefs.h> 40 #ifndef lint 41 #if 0 42 static char sccsid[] = "@(#)main.c 8.4 (Berkeley) 5/4/95"; 43 #else 44 __COPYRIGHT("@(#) Copyright (c) 1990, 1993, 1994\n\ 45 The Regents of the University of California. All rights reserved.\n"); 46 __RCSID("$NetBSD: main.c,v 1.19 2002/09/27 23:29:12 thorpej Exp $"); 47 #endif 48 #endif /* not lint */ 49 50 #include <sys/types.h> 51 #include <sys/stat.h> 52 53 #include <err.h> 54 #include <errno.h> 55 #include <fcntl.h> 56 #include <fts.h> 57 #include <signal.h> 58 #include <locale.h> 59 #include <stdio.h> 60 #include <stdlib.h> 61 #include <string.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; /* sort directory entries */ 74 int isxargs; /* don't permit xargs delimiting chars */ 75 76 int main __P((int, char **)); 77 static void usage __P((void)); 78 79 int 80 main(argc, argv) 81 int argc; 82 char *argv[]; 83 { 84 struct sigaction sa; 85 char **p, **start; 86 int ch; 87 88 (void)time(&now); /* initialize the time-of-day */ 89 (void)setlocale(LC_ALL, ""); 90 91 memset(&sa, 0, sizeof(sa)); 92 sa.sa_flags = SA_RESTART; 93 sa.sa_handler = show_path; 94 sigaction(SIGINFO, &sa, NULL); 95 96 /* array to hold dir list. at most (argc - 1) elements. */ 97 p = start = alloca(argc * sizeof (char *)); 98 99 ftsoptions = FTS_NOSTAT | FTS_PHYSICAL; 100 while ((ch = getopt(argc, argv, "HLPXdf:hsx")) != -1) 101 switch (ch) { 102 case 'H': 103 ftsoptions &= ~FTS_LOGICAL; 104 ftsoptions |= FTS_PHYSICAL|FTS_COMFOLLOW; 105 break; 106 case 'L': 107 ftsoptions &= ~(FTS_COMFOLLOW|FTS_PHYSICAL); 108 ftsoptions |= FTS_LOGICAL; 109 break; 110 case 'P': 111 ftsoptions &= ~(FTS_COMFOLLOW|FTS_LOGICAL); 112 ftsoptions |= FTS_PHYSICAL; 113 break; 114 case 'X': 115 isxargs = 1; 116 break; 117 case 'd': 118 isdepth = 1; 119 break; 120 case 'f': 121 *p++ = optarg; 122 break; 123 case 'h': 124 ftsoptions &= ~FTS_PHYSICAL; 125 ftsoptions |= FTS_LOGICAL; 126 break; 127 case 's': 128 issort = 1; 129 break; 130 case 'x': 131 ftsoptions |= FTS_XDEV; 132 break; 133 case '?': 134 default: 135 break; 136 } 137 138 argc -= optind; 139 argv += optind; 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 { 167 168 (void)fprintf(stderr, 169 "usage: find [-H | -L | -P] [-Xdhsx] [-f file] [file ...] [expression]\n"); 170 exit(1); 171 } 172