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
38char 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#if 0
45static char sccsid[] = "@(#)main.c 8.4 (Berkeley) 5/4/95";
46#else
47static const char rcsid[] =
48 "$FreeBSD: head/usr.bin/find/main.c 92786 2002-03-20 10:32:05Z markm $";
49#endif
50#endif /* not lint */
51
52#include <sys/types.h>
53#include <sys/stat.h>
54
55#include <err.h>
56#include <errno.h>
57#include <fcntl.h>
58#include <fts.h>
59#include <locale.h>
60#include <regex.h>
61#include <stdio.h>
62#include <stdlib.h>
63#include <time.h>
64#include <unistd.h>
65
66#include "find.h"
67
68time_t now; /* time find was run */
69int dotfd; /* starting directory */
70int ftsoptions; /* options for the ftsopen(3) call */
71int isdeprecated; /* using deprecated syntax */
72int isdepth; /* do directories on post-order visit */
73int isoutput; /* user specified output operator */
74int issort; /* do hierarchies in lexicographical order */
75int isxargs; /* don't permit xargs delimiting chars */
76int mindepth = -1, maxdepth = -1; /* minimum and maximum depth */
77int regexp_flags = REG_BASIC; /* use the "basic" regexp by default*/
78
79static void usage(void);
80
81int
82main(argc, argv)
83 int argc;
84 char *argv[];
85{
86 char **p, **start;
87 int Hflag, Lflag, ch;
88
89 (void)setlocale(LC_ALL, "");
90
91 (void)time(&now); /* initialize the time-of-day */
92
93 p = start = argv;
94 Hflag = Lflag = 0;
95 ftsoptions = FTS_NOSTAT | FTS_PHYSICAL;
96 while ((ch = getopt(argc, argv, "EHLPXdf:sx")) != -1)
97 switch (ch) {
98 case 'E':
99 regexp_flags |= REG_EXTENDED;
100 break;
101 case 'H':
102 Hflag = 1;
103 Lflag = 0;
104 break;
105 case 'L':
106 Lflag = 1;
107 Hflag = 0;
108 break;
109 case 'P':
110 Hflag = Lflag = 0;
111 break;
112 case 'X':
113 isxargs = 1;
114 break;
115 case 'd':
116 isdepth = 1;
117 break;
118 case 'f':
119 *p++ = optarg;
120 break;
121 case 's':
122 issort = 1;
123 break;
124 case 'x':
125 ftsoptions |= FTS_XDEV;
126 break;
127 case '?':
128 default:
129 break;
130 }
131
132 argc -= optind;
133 argv += optind;
134
135 if (Hflag)
136 ftsoptions |= FTS_COMFOLLOW;
137 if (Lflag) {
138 ftsoptions &= ~FTS_PHYSICAL;
139 ftsoptions |= FTS_LOGICAL;
140 }
141
142 /*
143 * Find first option to delimit the file list. The first argument
144 * that starts with a -, or is a ! or a ( must be interpreted as a
145 * part of the find expression, according to POSIX .2.
146 */
147 for (; *argv != NULL; *p++ = *argv++) {
148 if (argv[0][0] == '-')
149 break;
150 if ((argv[0][0] == '!' || argv[0][0] == '(') &&
151 argv[0][1] == '\0')
152 break;
153 }
154
155 if (p == start)
156 usage();
157 *p = NULL;
158
159 if ((dotfd = open(".", O_RDONLY, 0)) < 0)
160 err(1, ".");
161
162 exit(find_execute(find_formplan(argv), start));
163}
164
165static void
166usage()
167{
168 (void)fprintf(stderr,
169"usage: find [-H | -L | -P] [-EXdsx] [-f file] [file ...] [expression]\n");
170 exit(1);
171}