1 /*- 2 * Copyright (c) 1990, 1993, 1994 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * Cimarron D. Taylor of the University of California, Berkeley. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by the University of 19 * California, Berkeley and its contributors. 20 * 4. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 */ 36 37 #ifndef lint 38 char copyright[] = 39 "@(#) Copyright (c) 1990, 1993, 1994\n\ 40 The Regents of the University of California. All rights reserved.\n"; 41 #endif /* not lint */ 42 43 #ifndef lint 44 static char sccsid[] = "@(#)main.c 8.3 (Berkeley) 4/16/94"; 45 #endif /* not lint */ 46 47 #include <sys/types.h> 48 #include <sys/stat.h> 49 50 #include <err.h> 51 #include <errno.h> 52 #include <fcntl.h> 53 #include <fts.h> 54 #include <locale.h> 55 #include <stdio.h> 56 #include <stdlib.h> 57 #include <time.h> 58 59 #include "find.h" 60 61 time_t now; /* time find was run */ 62 int dotfd; /* starting directory */ 63 int ftsoptions; /* options for the ftsopen(3) call */ 64 int isdeprecated; /* using deprecated syntax */ 65 int isdepth; /* do directories on post-order visit */ 66 int isoutput; /* user specified output operator */ 67 int isxargs; /* don't permit xargs delimiting chars */ 68 69 static void usage __P((void)); 70 71 int 72 main(argc, argv) 73 int argc; 74 char *argv[]; 75 { 76 register char **p, **start; 77 int Hflag, Lflag, Pflag, ch; 78 79 (void)setlocale(LC_ALL, ""); 80 81 (void)time(&now); /* initialize the time-of-day */ 82 83 p = start = argv; 84 Hflag = Lflag = Pflag = 0; 85 ftsoptions = FTS_NOSTAT | FTS_PHYSICAL; 86 while ((ch = getopt(argc, argv, "HLPXdf:x")) != EOF) 87 switch (ch) { 88 case 'H': 89 Hflag = 1; 90 Lflag = Pflag = 0; 91 break; 92 case 'L': 93 Lflag = 1; 94 Hflag = Pflag = 0; 95 break; 96 case 'P': 97 Pflag = 1; 98 Hflag = Lflag = 0; 99 break; 100 case 'X': 101 isxargs = 1; 102 break; 103 case 'd': 104 isdepth = 1; 105 break; 106 case 'f': 107 *p++ = optarg; 108 break; 109 case 'x': 110 ftsoptions |= FTS_XDEV; 111 break; 112 case '?': 113 default: 114 break; 115 } 116 117 argc -= optind; 118 argv += optind; 119 120 if (Hflag) 121 ftsoptions |= FTS_COMFOLLOW; 122 if (Lflag) { 123 ftsoptions &= ~FTS_PHYSICAL; 124 ftsoptions |= FTS_LOGICAL; 125 } 126 127 /* 128 * Find first option to delimit the file list. The first argument 129 * that starts with a -, or is a ! or a ( must be interpreted as a 130 * part of the find expression, according to POSIX .2. 131 */ 132 for (; *argv != NULL; *p++ = *argv++) { 133 if (argv[0][0] == '-') 134 break; 135 if ((argv[0][0] == '!' || argv[0][0] == '(') && 136 argv[0][1] == '\0') 137 break; 138 } 139 140 if (p == start) 141 usage(); 142 *p = NULL; 143 144 if ((dotfd = open(".", O_RDONLY, 0)) < 0) 145 err(1, "."); 146 147 exit(find_execute(find_formplan(argv), start)); 148 } 149 150 static void 151 usage() 152 { 153 (void)fprintf(stderr, 154 "usage: find [-H | -L | -P] [-Xdx] [-f file] [file ...] [expression]\n"); 155 exit(1); 156 } 157