xref: /freebsd/usr.bin/mkimg/format.h (revision 2e3f49888ec8851bafb22011533217487764fdb0)
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 #ifndef _MKIMG_FORMAT_H_
28 #define	_MKIMG_FORMAT_H_
29 
30 struct mkimg_format {
31 	struct mkimg_format *next;
32 	const char	*name;
33 	const char	*description;
34 	int		(*resize)(lba_t);
35 	int		(*write)(int);
36 };
37 
38 #define	FORMAT_DEFINE(nm)						\
39 static void format_register_##nm(void) __attribute__((constructor));	\
40 static void format_register_##nm(void) { format_register(&nm); }
41 
42 struct mkimg_format *format_iterate(struct mkimg_format *);
43 void	format_register(struct mkimg_format *);
44 int	format_select(const char *);
45 struct mkimg_format *format_selected(void);
46 
47 int	format_resize(lba_t);
48 int	format_write(int);
49 
50 #endif /* _MKIMG_FORMAT_H_ */
51