dkscan_bsdlabel.c revision 1.2 
1/* $NetBSD: dkscan_bsdlabel.c,v 1.2 2008/04/28 20:23:08 martin 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
46int
47main(int argc, char **argv)
48{
49	struct disk d;
50	int ch;
51	char buf[PATH_MAX];
52	const char *devpart;
53
54	if (argc < 2)
55		usage();
56
57	while ((ch = getopt(argc, argv, "nv")) != -1) {
58		switch (ch) {
59		case 'n':
60			no_action = 1;
61			break;
62		case 'v':
63			verbose++;
64			break;
65		default:
66			usage();
67		}
68	}
69	if (optind >= argc)
70		usage();
71
72	disk_fd = opendisk(argv[optind], O_RDWR, buf, PATH_MAX, 0);
73	if (disk_fd == -1)
74		err(1, "%s", argv[optind]);
75
76	devpart = strrchr(argv[optind], '/');
77	if (devpart == NULL)
78		devpart = argv[optind];
79
80	memset(&d, 0, sizeof(d));
81	d.dk_name  = __UNCONST(devpart);
82	dkwedge_discover_bsdlabel(&d, NULL);
83
84	close(disk_fd);
85	return 0;
86}
87
88void
89usage(void)
90{
91	fprintf(stderr, "usage: %s [-vn] <diskname>\n"
92	    "  where\n"
93	    "    -n don't change anything, just print info\n"
94	    "    -v be more verbose\n"
95	    "    <diskname> device to scan\n",
96	    getprogname());
97	exit(1);
98}
99