format.c revision 284773 
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__FBSDID("$FreeBSD: stable/10/usr.bin/mkimg/format.c 284773 2015-06-24 18:40:34Z marcel $");
29
30#include <sys/types.h>
31#include <sys/linker_set.h>
32#include <sys/queue.h>
33#include <sys/stat.h>
34#include <err.h>
35#include <errno.h>
36#include <stdint.h>
37#include <stdlib.h>
38#include <string.h>
39#include <unistd.h>
40
41#include "image.h"
42#include "format.h"
43#include "mkimg.h"
44
45static struct mkimg_format *format;
46
47int
48format_resize(lba_t end)
49{
50
51	if (format == NULL)
52		return (ENOSYS);
53	return (format->resize(end));
54}
55
56int
57format_select(const char *spec)
58{
59	struct mkimg_format *f, **iter;
60
61	SET_FOREACH(iter, formats) {
62		f = *iter;
63		if (strcasecmp(spec, f->name) == 0) {
64			format = f;
65			return (0);
66		}
67	}
68	return (EINVAL);
69}
70
71struct mkimg_format *
72format_selected(void)
73{
74
75	return (format);
76}
77
78int
79format_write(int fd)
80{
81	int error;
82
83	if (format == NULL)
84		return (ENOSYS);
85	error = format->write(fd);
86	return (error);
87}
88