1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 2014 Juniper Networks, Inc.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29 #include <sys/cdefs.h>
30 #include <sys/stat.h>
31 #include <errno.h>
32 #include <string.h>
33
34 #include "image.h"
35 #include "format.h"
36
37 static struct mkimg_format *first;
38 static struct mkimg_format *format;
39
40 struct mkimg_format *
format_iterate(struct mkimg_format * f)41 format_iterate(struct mkimg_format *f)
42 {
43
44 return ((f == NULL) ? first : f->next);
45 }
46
47 void
format_register(struct mkimg_format * f)48 format_register(struct mkimg_format *f)
49 {
50
51 f->next = first;
52 first = f;
53 }
54
55 int
format_resize(lba_t end)56 format_resize(lba_t end)
57 {
58
59 if (format == NULL)
60 return (ENOSYS);
61 return (format->resize(end));
62 }
63
64 int
format_select(const char * spec)65 format_select(const char *spec)
66 {
67 struct mkimg_format *f;
68
69 f = NULL;
70 while ((f = format_iterate(f)) != NULL) {
71 if (strcasecmp(spec, f->name) == 0) {
72 format = f;
73 return (0);
74 }
75 }
76 return (EINVAL);
77 }
78
79 struct mkimg_format *
format_selected(void)80 format_selected(void)
81 {
82
83 return (format);
84 }
85
86 int
format_write(int fd)87 format_write(int fd)
88 {
89 int error;
90
91 if (format == NULL)
92 return (ENOSYS);
93 error = format->write(fd);
94 return (error);
95 }
96