Correct BSD License clause numbering from 1-2-4 to 1-2-3.
[dragonfly.git] / usr.sbin / mtree / mtree.c
1 /*-
2  * Copyright (c) 1989, 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. Neither the name of the University nor the names of its contributors
14  *    may be used to endorse or promote products derived from this software
15  *    without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  *
29  * @(#) Copyright (c) 1989, 1990, 1993 The Regents of the University of California.  All rights reserved.
30  * @(#)mtree.c  8.1 (Berkeley) 6/6/93
31  * $FreeBSD: src/usr.sbin/mtree/mtree.c,v 1.8.2.3 2003/05/07 17:55:17 tobez Exp $
32  * $DragonFly: src/usr.sbin/mtree/mtree.c,v 1.5 2004/03/15 16:24:22 dillon Exp $
33  */
34
35 #include <sys/param.h>
36 #include <sys/stat.h>
37 #include <err.h>
38 #include <errno.h>
39 #include <fts.h>
40 #include <stdio.h>
41 #include <unistd.h>
42 #include "mtree.h"
43 #include "extern.h"
44
45 int ftsoptions = FTS_PHYSICAL;
46 int cflag, dflag, eflag, iflag, nflag, qflag, rflag, sflag, uflag, Uflag;
47 u_int keys;
48 char fullpath[MAXPATHLEN];
49
50 static void usage(void);
51
52 int
53 main(int argc, char *argv[])
54 {
55         int ch;
56         char *dir, *p;
57         int status;
58
59         dir = NULL;
60         keys = KEYDEFAULT;
61         init_excludes();
62
63         while ((ch = getopt(argc, argv, "cdef:iK:k:LnPp:qrs:UuxX:")) != -1)
64                 switch((char)ch) {
65                 case 'c':
66                         cflag = 1;
67                         break;
68                 case 'd':
69                         dflag = 1;
70                         break;
71                 case 'e':
72                         eflag = 1;
73                         break;
74                 case 'f':
75                         if (!(freopen(optarg, "r", stdin)))
76                                 err(1, "%s", optarg);
77                         break;
78                 case 'i':
79                         iflag = 1;
80                         break;
81                 case 'K':
82                         while ((p = strsep(&optarg, " \t,")) != NULL)
83                                 if (*p != '\0')
84                                         keys |= parsekey(p, NULL);
85                         break;
86                 case 'k':
87                         keys = F_TYPE;
88                         while ((p = strsep(&optarg, " \t,")) != NULL)
89                                 if (*p != '\0')
90                                         keys |= parsekey(p, NULL);
91                         break;
92                 case 'L':
93                         ftsoptions &= ~FTS_PHYSICAL;
94                         ftsoptions |= FTS_LOGICAL;
95                         break;
96                 case 'n':
97                         nflag = 1;
98                         break;
99                 case 'P':
100                         ftsoptions &= ~FTS_LOGICAL;
101                         ftsoptions |= FTS_PHYSICAL;
102                         break;
103                 case 'p':
104                         dir = optarg;
105                         break;
106                 case 'q':
107                         qflag = 1;
108                         break;
109                 case 'r':
110                         rflag = 1;
111                         break;
112                 case 's':
113                         sflag = 1;
114                         crc_total = ~strtol(optarg, &p, 0);
115                         if (*p)
116                                 errx(1, "illegal seed value -- %s", optarg);
117                         break;
118                 case 'U':
119                         Uflag = 1;
120                         uflag = 1;
121                         break;
122                 case 'u':
123                         uflag = 1;
124                         break;
125                 case 'x':
126                         ftsoptions |= FTS_XDEV;
127                         break;
128                 case 'X':
129                         read_excludes_file(optarg);
130                         break;
131                 case '?':
132                 default:
133                         usage();
134                 }
135         argc -= optind;
136         argv += optind;
137
138         if (argc)
139                 usage();
140
141         if (dir && chdir(dir))
142                 err(1, "%s", dir);
143
144         if ((cflag || sflag) && !getwd(fullpath))
145                 errx(1, "%s", fullpath);
146
147         if (cflag) {
148                 cwalk();
149                 exit(0);
150         }
151         status = verify();
152         if (Uflag & (status == MISMATCHEXIT))
153                 status = 0;
154         exit(status);
155 }
156
157 static void
158 usage(void)
159 {
160
161         fprintf(stderr,
162 "usage: mtree [-LPUcdeinqrux] [-f spec] [-K key] [-k key] [-p path] [-s seed]\n"
163 "\t[-X excludes]\n");
164         exit(1);
165 }