1#ifndef XZ_WRAPPER_H
2#define XZ_WRAPPER_H
3/*
4 * Squashfs
5 *
6 * Copyright (c) 2010
7 * Phillip Lougher <phillip@lougher.demon.co.uk>
8 *
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License
11 * as published by the Free Software Foundation; either version 2,
12 * or (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
22 *
23 * xz_wrapper.h
24 *
25 */
26
27#ifndef linux
28#define __BYTE_ORDER BYTE_ORDER
29#define __BIG_ENDIAN BIG_ENDIAN
30#define __LITTLE_ENDIAN LITTLE_ENDIAN
31#else
32#include <endian.h>
33#endif
34
35#if __BYTE_ORDER == __BIG_ENDIAN
36extern unsigned int inswap_le32(unsigned int);
37
38#define SQUASHFS_INSWAP_COMP_OPTS(s) { \
39	(s)->dictionary_size = inswap_le32((s)->dictionary_size); \
40	(s)->flags = inswap_le32((s)->flags); \
41}
42#else
43#define SQUASHFS_INSWAP_COMP_OPTS(s)
44#endif
45
46#define MEMLIMIT (32 * 1024 * 1024)
47
48struct bcj {
49	char	 	*name;
50	lzma_vli	id;
51	int		selected;
52};
53
54struct filter {
55	void		*buffer;
56	lzma_filter	filter[3];
57	size_t		length;
58};
59
60struct xz_stream {
61	struct filter	*filter;
62	int		filters;
63	int		dictionary_size;
64	lzma_options_lzma opt;
65};
66
67struct comp_opts {
68	int dictionary_size;
69	int flags;
70};
71#endif
72