1/*-
2 * Copyright (c) 2014 Juniper Networks, Inc.
3 * 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 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27#include <sys/cdefs.h>
28#include <sys/stat.h>
29#include <errno.h>
30#include <string.h>
31
32#include "image.h"
33#include "format.h"
34
35static struct mkimg_format *first;
36static struct mkimg_format *format;
37
38struct mkimg_format *
39format_iterate(struct mkimg_format *f)
40{
41
42	return ((f == NULL) ? first : f->next);
43}
44
45void
46format_register(struct mkimg_format *f)
47{
48
49	f->next = first;
50	first = f;
51}
52
53int
54format_resize(lba_t end)
55{
56
57	if (format == NULL)
58		return (ENOSYS);
59	return (format->resize(end));
60}
61
62int
63format_select(const char *spec)
64{
65	struct mkimg_format *f;
66
67	f = NULL;
68	while ((f = format_iterate(f)) != NULL) {
69		if (strcasecmp(spec, f->name) == 0) {
70			format = f;
71			return (0);
72		}
73	}
74	return (EINVAL);
75}
76
77struct mkimg_format *
78format_selected(void)
79{
80
81	return (format);
82}
83
84int
85format_write(int fd)
86{
87	int error;
88
89	if (format == NULL)
90		return (ENOSYS);
91	error = format->write(fd);
92	return (error);
93}
94