2024-09-09 08:52:07 +00:00
|
|
|
#ifndef DECOMPRESSOR_H
|
|
|
|
|
#define DECOMPRESSOR_H
|
|
|
|
|
/*
|
|
|
|
|
* Squashfs - a compressed read only filesystem for Linux
|
|
|
|
|
*
|
|
|
|
|
* Copyright (c) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
|
|
|
|
|
* 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, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
|
|
|
*
|
|
|
|
|
* decompressor.h
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
struct squashfs_decompressor {
|
2024-09-09 08:57:42 +00:00
|
|
|
void *(*init)(struct squashfs_sb_info *, void *);
|
|
|
|
|
void *(*comp_opts)(struct squashfs_sb_info *, void *, int);
|
2024-09-09 08:52:07 +00:00
|
|
|
void (*free)(void *);
|
2024-09-09 08:57:42 +00:00
|
|
|
int (*decompress)(struct squashfs_sb_info *, void *,
|
|
|
|
|
struct buffer_head **, int, int, int,
|
|
|
|
|
struct squashfs_page_actor *);
|
2024-09-09 08:52:07 +00:00
|
|
|
int id;
|
|
|
|
|
char *name;
|
|
|
|
|
int supported;
|
|
|
|
|
};
|
|
|
|
|
|
2024-09-09 08:57:42 +00:00
|
|
|
static inline void *squashfs_comp_opts(struct squashfs_sb_info *msblk,
|
|
|
|
|
void *buff, int length)
|
2024-09-09 08:52:07 +00:00
|
|
|
{
|
2024-09-09 08:57:42 +00:00
|
|
|
return msblk->decompressor->comp_opts ?
|
|
|
|
|
msblk->decompressor->comp_opts(msblk, buff, length) : NULL;
|
2024-09-09 08:52:07 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#ifdef CONFIG_SQUASHFS_XZ
|
|
|
|
|
extern const struct squashfs_decompressor squashfs_xz_comp_ops;
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#ifdef CONFIG_SQUASHFS_LZO
|
|
|
|
|
extern const struct squashfs_decompressor squashfs_lzo_comp_ops;
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#ifdef CONFIG_SQUASHFS_ZLIB
|
|
|
|
|
extern const struct squashfs_decompressor squashfs_zlib_comp_ops;
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#endif
|
