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 <stdio.h> 55 #include <stdlib.h> 56 #include <time.h> 57 58 #include "find.h" 59 60 time_t now; /* time find was run */ 61 int dotfd; /* starting directory */ 62 int ftsoptions; /* options for the ftsopen(3) call */ 63 int isdeprecated; /* using deprecated syntax */ 64 int isdepth; /* do directories on post-order visit */ 65 int isoutput; /* user specified output operator */ 66 int isxargs; /* don't permit xargs delimiting chars */ 67 68 static void usage __P((void)); 69 70 int 71 main(argc, argv) 72 int argc; 73 char *argv[]; 74 { 75 register char **p, **start; 76 int Hflag, Lflag, Pflag, ch; 77 78 (void)time(&now); /* initialize the time-of-day */ 79 80 p = start = argv; 81 Hflag = Lflag = Pflag = 0; 82 ftsoptions = FTS_NOSTAT | FTS_PHYSICAL; 83 while ((ch = getopt(argc, argv, "HLPXdf:x")) != EOF) 84 switch (ch) { 85 case 'H': 86 Hflag = 1; 87 Lflag = Pflag = 0; 88 break; 89 case 'L': 90 Lflag = 1; 91 Hflag = Pflag = 0; 92 break; 93 case 'P': 94 Pflag = 1; 95 Hflag = Lflag = 0; 96 break; 97 case 'X': 98 isxargs = 1; 99 break; 100 case 'd': 101 isdepth = 1; 102 break; 103 case 'f': 104 *p++ = optarg; 105 break; 106 case 'x': 107 ftsoptions |= FTS_XDEV; 108 break; 109 case '?': 110 default: 111 break; 112 } 113 114 argc -= optind; 115 argv += optind; 116 117 if (Hflag) 118 ftsoptions |= FTS_COMFOLLOW; 119 if (Lflag) { 120 ftsoptions &= ~FTS_PHYSICAL; 121 ftsoptions |= FTS_LOGICAL; 122 } 123 124 /* 125 * Find first option to delimit the file list. The first argument 126 * that starts with a -, or is a ! or a ( must be interpreted as a 127 * part of the find expression, according to POSIX .2. 128 */ 129 for (; *argv != NULL; *p++ = *argv++) { 130 if (argv[0][0] == '-') 131 break; 132 if ((argv[0][0] == '!' || argv[0][0] == '(') && 133 argv[0][1] == '\0') 134 break; 135 } 136 137 if (p == start) 138 usage(); 139 *p = NULL; 140 141 if ((dotfd = open(".", O_RDONLY, 0)) < 0) 142 err(1, "."); 143 144 exit(find_execute(find_formplan(argv), start)); 145 } 146 147 static void 148 usage() 149 { 150 (void)fprintf(stderr, 151 "usage: find [-H | -L | -P] [-Xdx] [-f file] [file ...] [expression]\n"); 152 exit(1); 153 } 154