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
35 static struct mkimg_format *first;
36 static struct mkimg_format *format;
37
38 struct mkimg_format *
format_iterate(struct mkimg_format * f)39 format_iterate(struct mkimg_format *f)
40 {
41
42 return ((f == NULL) ? first : f->next);
43 }
44
45 void
format_register(struct mkimg_format * f)46 format_register(struct mkimg_format *f)
47 {
48
49 f->next = first;
50 first = f;
51 }
52
53 int
format_resize(lba_t end)54 format_resize(lba_t end)
55 {
56
57 if (format == NULL)
58 return (ENOSYS);
59 return (format->resize(end));
60 }
61
62 int
format_select(const char * spec)63 format_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
77 struct mkimg_format *
format_selected(void)78 format_selected(void)
79 {
80
81 return (format);
82 }
83
84 int
format_write(int fd)85 format_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