1 /* $OpenBSD: main.c,v 1.9 2001/07/12 05:17:04 deraadt Exp $ */ 2 3 /*- 4 * Copyright (c) 1990, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 #ifndef lint 37 /*static char sccsid[] = "@(#)main.c 8.1 (Berkeley) 6/6/93";*/ 38 static char rcsid[] = "$OpenBSD: main.c,v 1.9 2001/07/12 05:17:04 deraadt Exp $"; 39 #endif /* not lint */ 40 41 #include <sys/types.h> 42 #include <sys/stat.h> 43 44 #include <err.h> 45 #include <errno.h> 46 #include <fcntl.h> 47 #include <fts.h> 48 #include <signal.h> 49 #include <stdio.h> 50 #include <stdlib.h> 51 #include <string.h> 52 #include <time.h> 53 54 #include "find.h" 55 56 time_t now; /* time find was run */ 57 int dotfd; /* starting directory */ 58 int ftsoptions; /* options for the ftsopen(3) call */ 59 int isdeprecated; /* using deprecated syntax */ 60 int isdepth; /* do directories on post-order visit */ 61 int isoutput; /* user specified output operator */ 62 int isxargs; /* don't permit xargs delimiting chars */ 63 64 static void usage __P((void)); 65 66 int 67 main(argc, argv) 68 int argc; 69 char *argv[]; 70 { 71 struct sigaction sa; 72 char **p, **paths; 73 int ch; 74 75 memset(&sa, 0, sizeof sa); 76 sa.sa_handler = show_path; 77 sa.sa_flags = SA_RESTART; 78 79 (void)time(&now); /* initialize the time-of-day */ 80 81 p = paths = (char **) emalloc(sizeof(char *) * argc); 82 83 sigaction(SIGINFO, &sa, NULL); 84 85 ftsoptions = FTS_NOSTAT|FTS_PHYSICAL; 86 while ((ch = getopt(argc, argv, "Hdf:hXxW")) != -1) 87 switch(ch) { 88 case 'H': 89 ftsoptions |= FTS_COMFOLLOW; 90 break; 91 case 'd': 92 isdepth = 1; 93 break; 94 case 'f': 95 *p++ = optarg; 96 break; 97 case 'h': 98 ftsoptions &= ~FTS_PHYSICAL; 99 ftsoptions |= FTS_LOGICAL; 100 break; 101 case 'X': 102 isxargs = 1; 103 break; 104 case 'x': 105 ftsoptions &= ~FTS_NOSTAT; 106 ftsoptions |= FTS_XDEV; 107 break; 108 case 'W': 109 ftsoptions |= FTS_WHITEOUT; 110 break; 111 case '?': 112 default: 113 break; 114 } 115 116 argc -= optind; 117 argv += optind; 118 119 /* The first argument that starts with a -, or is a ! or a (, and all 120 * subsequent arguments shall be interpreted as an expression ... 121 * (POSIX.2). 122 */ 123 while (*argv) { 124 if (**argv == '-' || 125 ((**argv == '!' || **argv == '(') && (*argv)[1] == '\0')) 126 break; 127 *p++ = *argv++; 128 } 129 130 if (p == paths) 131 usage(); 132 *p = NULL; 133 134 if (!(paths = realloc(paths, sizeof(char *) * (p - paths + 1)))) 135 err(1, NULL); 136 137 if ((dotfd = open(".", O_RDONLY, 0)) < 0) 138 err(1, ".:"); 139 140 find_execute(find_formplan(argv), paths); 141 exit(0); 142 } 143 144 static void 145 usage() 146 { 147 (void)fprintf(stderr, 148 "usage: find [-HdhXxW] [-f file] [file ...] expression\n"); 149 exit(1); 150 } 151