1 /*- 2 * Copyright (c) 1990, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 #ifndef lint 35 /*static char sccsid[] = "@(#)main.c 8.1 (Berkeley) 6/6/93";*/ 36 static char rcsid[] = "$Id: main.c,v 1.5 1994/01/24 23:08:15 jtc Exp $"; 37 #endif /* not lint */ 38 39 #include <sys/types.h> 40 #include <sys/stat.h> 41 42 #include <err.h> 43 #include <errno.h> 44 #include <fcntl.h> 45 #include <fts.h> 46 #include <stdio.h> 47 #include <stdlib.h> 48 #include <time.h> 49 50 #include "find.h" 51 52 time_t now; /* time find was run */ 53 int dotfd; /* starting directory */ 54 int ftsoptions; /* options for the ftsopen(3) call */ 55 int isdeprecated; /* using deprecated syntax */ 56 int isdepth; /* do directories on post-order visit */ 57 int isoutput; /* user specified output operator */ 58 int isxargs; /* don't permit xargs delimiting chars */ 59 60 static void usage __P((void)); 61 62 int 63 main(argc, argv) 64 int argc; 65 char *argv[]; 66 { 67 register char **p, **start; 68 int ch; 69 70 (void)time(&now); /* initialize the time-of-day */ 71 72 p = start = argv; 73 ftsoptions = FTS_NOSTAT|FTS_PHYSICAL; 74 while ((ch = getopt(argc, argv, "Hdf:hXx")) != EOF) 75 switch(ch) { 76 case 'H': 77 ftsoptions |= FTS_COMFOLLOW; 78 break; 79 case 'd': 80 isdepth = 1; 81 break; 82 case 'f': 83 *p++ = optarg; 84 break; 85 case 'h': 86 ftsoptions &= ~FTS_PHYSICAL; 87 ftsoptions |= FTS_LOGICAL; 88 break; 89 case 'X': 90 isxargs = 1; 91 break; 92 case 'x': 93 ftsoptions &= ~FTS_NOSTAT; 94 ftsoptions |= FTS_XDEV; 95 break; 96 case '?': 97 default: 98 break; 99 } 100 101 argc -= optind; 102 argv += optind; 103 104 /* The first argument that starts with a -, or is a ! or a (, and all 105 * subsequent arguments shall be interpreted as an expression ... 106 * (POSIX.2). 107 */ 108 while (*argv) { 109 if (**argv == '-' || 110 ((**argv == '!' || **argv == '(') && (*argv)[1] == '\0')) 111 break; 112 *p++ = *argv++; 113 } 114 115 if (p == start) 116 usage(); 117 *p = NULL; 118 119 if ((dotfd = open(".", O_RDONLY, 0)) < 0) 120 err(1, ".:"); 121 122 find_execute(find_formplan(argv), start); 123 exit(0); 124 } 125 126 static void 127 usage() 128 { 129 (void)fprintf(stderr, 130 "usage: find [-HdhXx] [-f file] [file ...] expression\n"); 131 exit(1); 132 } 133