xref: /netbsd-src/sbin/dkscan_bsdlabel/dkscan_bsdlabel.c (revision 946379e7b37692fc43f68eb0d1c10daa0a7f3b6c)
1 /* $NetBSD: dkscan_bsdlabel.c,v 1.3 2011/08/27 16:43:07 joerg Exp $ */
2 
3 /*-
4  * Copyright (c) 2007 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Martin Husemann <martin@NetBSD.org>.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 #include <stdio.h>
33 #include <stdlib.h>
34 #include <stddef.h>
35 #include <string.h>
36 #include <unistd.h>
37 #include <fcntl.h>
38 #include <err.h>
39 #include <util.h>
40 #include <sys/disk.h>
41 
42 #include "dkscan_util.h"
43 
44 #include "dkwedge_bsdlabel.c"
45 
46 __dead static void usage(void);
47 
48 int
49 main(int argc, char **argv)
50 {
51 	struct disk d;
52 	int ch;
53 	char buf[PATH_MAX];
54 	const char *devpart;
55 
56 	if (argc < 2)
57 		usage();
58 
59 	while ((ch = getopt(argc, argv, "nv")) != -1) {
60 		switch (ch) {
61 		case 'n':
62 			no_action = 1;
63 			break;
64 		case 'v':
65 			verbose++;
66 			break;
67 		default:
68 			usage();
69 		}
70 	}
71 	if (optind >= argc)
72 		usage();
73 
74 	disk_fd = opendisk(argv[optind], O_RDWR, buf, PATH_MAX, 0);
75 	if (disk_fd == -1)
76 		err(1, "%s", argv[optind]);
77 
78 	devpart = strrchr(argv[optind], '/');
79 	if (devpart == NULL)
80 		devpart = argv[optind];
81 
82 	memset(&d, 0, sizeof(d));
83 	d.dk_name  = __UNCONST(devpart);
84 	dkwedge_discover_bsdlabel(&d, NULL);
85 
86 	close(disk_fd);
87 	return 0;
88 }
89 
90 void
91 usage(void)
92 {
93 	fprintf(stderr, "usage: %s [-vn] <diskname>\n"
94 	    "  where\n"
95 	    "    -n don't change anything, just print info\n"
96 	    "    -v be more verbose\n"
97 	    "    <diskname> device to scan\n",
98 	    getprogname());
99 	exit(1);
100 }
101