squashfs-tools/squashfs-tools/xz_wrapper.h

#ifndef XZ_WRAPPER_H
#define XZ_WRAPPER_H
/*
 * Squashfs
 *
 * Copyright (c) 2010
 * Phillip Lougher <phillip@squashfs.org.uk>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2,
 * or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 *
 * xz_wrapper.h
 *
 */

#ifndef linux
#define __BYTE_ORDER BYTE_ORDER
#define __BIG_ENDIAN BIG_ENDIAN
#define __LITTLE_ENDIAN LITTLE_ENDIAN
#else
#include <endian.h>
#endif

#if __BYTE_ORDER == __BIG_ENDIAN
extern unsigned int inswap_le32(unsigned int);

#define SQUASHFS_INSWAP_COMP_OPTS(s) { \
	(s)->dictionary_size = inswap_le32((s)->dictionary_size); \
	(s)->flags = inswap_le32((s)->flags); \
}
#else
#define SQUASHFS_INSWAP_COMP_OPTS(s)
#endif

#define MEMLIMIT (32 * 1024 * 1024)

struct bcj {
	char	 	*name;
	lzma_vli	id;
	int		selected;
};

struct filter {
	void		*buffer;
	lzma_filter	filter[3];
	size_t		length;
};

struct xz_stream {
	struct filter	*filter;
	int		filters;
	int		dictionary_size;
	lzma_options_lzma opt;
};

struct comp_opts {
	int dictionary_size;
	int flags;
};
#endif