1 /* $NetBSD: main.c,v 1.8 1997/10/19 11:52:43 lukem 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 #include <sys/cdefs.h> 37 #ifndef lint 38 #if 0 39 static char sccsid[] = "@(#)main.c 8.1 (Berkeley) 6/6/93"; 40 #else 41 __RCSID("$NetBSD: main.c,v 1.8 1997/10/19 11:52:43 lukem Exp $"); 42 #endif 43 #endif /* not lint */ 44 45 #include <sys/types.h> 46 #include <sys/stat.h> 47 48 #include <err.h> 49 #include <errno.h> 50 #include <fcntl.h> 51 #include <fts.h> 52 #include <stdio.h> 53 #include <stdlib.h> 54 #include <time.h> 55 56 #include "find.h" 57 58 time_t now; /* time find was run */ 59 int dotfd; /* starting directory */ 60 int ftsoptions; /* options for the ftsopen(3) call */ 61 int isdeprecated; /* using deprecated syntax */ 62 int isdepth; /* do directories on post-order visit */ 63 int isoutput; /* user specified output operator */ 64 int isxargs; /* don't permit xargs delimiting chars */ 65 66 int main __P((int, char **)); 67 static void usage __P((void)); 68 69 int 70 main(argc, argv) 71 int argc; 72 char *argv[]; 73 { 74 char **p, **start; 75 int ch; 76 77 (void)time(&now); /* initialize the time-of-day */ 78 79 p = start = argv; 80 ftsoptions = FTS_NOSTAT|FTS_PHYSICAL; 81 while ((ch = getopt(argc, argv, "Hdf:hXx")) != -1) 82 switch(ch) { 83 case 'H': 84 ftsoptions |= FTS_COMFOLLOW; 85 break; 86 case 'd': 87 isdepth = 1; 88 break; 89 case 'f': 90 *p++ = optarg; 91 break; 92 case 'h': 93 ftsoptions &= ~FTS_PHYSICAL; 94 ftsoptions |= FTS_LOGICAL; 95 break; 96 case 'X': 97 isxargs = 1; 98 break; 99 case 'x': 100 ftsoptions &= ~FTS_NOSTAT; 101 ftsoptions |= FTS_XDEV; 102 break; 103 case '?': 104 default: 105 break; 106 } 107 108 argc -= optind; 109 argv += optind; 110 111 /* The first argument that starts with a -, or is a ! or a (, and all 112 * subsequent arguments shall be interpreted as an expression ... 113 * (POSIX.2). 114 */ 115 while (*argv) { 116 if (**argv == '-' || 117 ((**argv == '!' || **argv == '(') && (*argv)[1] == '\0')) 118 break; 119 *p++ = *argv++; 120 } 121 122 if (p == start) 123 usage(); 124 *p = NULL; 125 126 if ((dotfd = open(".", O_RDONLY, 0)) < 0) 127 err(1, ".:"); 128 129 find_execute(find_formplan(argv), start); 130 exit(0); 131 } 132 133 static void 134 usage() 135 { 136 (void)fprintf(stderr, 137 "usage: find [-HdhXx] [-f file] [file ...] expression\n"); 138 exit(1); 139 } 140