1 /* $NetBSD: main.c,v 1.6 1997/01/09 20:19:14 tls 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[] = "$NetBSD: main.c,v 1.6 1997/01/09 20:19:14 tls 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 <stdio.h> 49 #include <stdlib.h> 50 #include <time.h> 51 52 #include "find.h" 53 54 time_t now; /* time find was run */ 55 int dotfd; /* starting directory */ 56 int ftsoptions; /* options for the ftsopen(3) call */ 57 int isdeprecated; /* using deprecated syntax */ 58 int isdepth; /* do directories on post-order visit */ 59 int isoutput; /* user specified output operator */ 60 int isxargs; /* don't permit xargs delimiting chars */ 61 62 static void usage __P((void)); 63 64 int 65 main(argc, argv) 66 int argc; 67 char *argv[]; 68 { 69 register char **p, **start; 70 int ch; 71 72 (void)time(&now); /* initialize the time-of-day */ 73 74 p = start = argv; 75 ftsoptions = FTS_NOSTAT|FTS_PHYSICAL; 76 while ((ch = getopt(argc, argv, "Hdf:hXx")) != EOF) 77 switch(ch) { 78 case 'H': 79 ftsoptions |= FTS_COMFOLLOW; 80 break; 81 case 'd': 82 isdepth = 1; 83 break; 84 case 'f': 85 *p++ = optarg; 86 break; 87 case 'h': 88 ftsoptions &= ~FTS_PHYSICAL; 89 ftsoptions |= FTS_LOGICAL; 90 break; 91 case 'X': 92 isxargs = 1; 93 break; 94 case 'x': 95 ftsoptions &= ~FTS_NOSTAT; 96 ftsoptions |= FTS_XDEV; 97 break; 98 case '?': 99 default: 100 break; 101 } 102 103 argc -= optind; 104 argv += optind; 105 106 /* The first argument that starts with a -, or is a ! or a (, and all 107 * subsequent arguments shall be interpreted as an expression ... 108 * (POSIX.2). 109 */ 110 while (*argv) { 111 if (**argv == '-' || 112 ((**argv == '!' || **argv == '(') && (*argv)[1] == '\0')) 113 break; 114 *p++ = *argv++; 115 } 116 117 if (p == start) 118 usage(); 119 *p = NULL; 120 121 if ((dotfd = open(".", O_RDONLY, 0)) < 0) 122 err(1, ".:"); 123 124 find_execute(find_formplan(argv), start); 125 exit(0); 126 } 127 128 static void 129 usage() 130 { 131 (void)fprintf(stderr, 132 "usage: find [-HdhXx] [-f file] [file ...] expression\n"); 133 exit(1); 134 } 135