git://bbs.cooldavid.org / net-next-2.6.git / blame
| Commit | Line | Data |
|---|---|---|
| 4c0f0bb2 PL |
1 | #ifndef DECOMPRESSOR_H |
| 2 | #define DECOMPRESSOR_H | |
| 3 | /* | |
| 4 | * Squashfs - a compressed read only filesystem for Linux | |
| 5 | * | |
| 6 | * Copyright (c) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 | |
| 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, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. | |
| 22 | * | |
| 23 | * decompressor.h | |
| 24 | */ | |
| 25 | ||
| 26 | struct squashfs_decompressor { | |
| 27 | void *(*init)(struct squashfs_sb_info *); | |
| 28 | void (*free)(void *); | |
| 29 | int (*decompress)(struct squashfs_sb_info *, void **, | |
| 30 | struct buffer_head **, int, int, int, int, int); | |
| 31 | int id; | |
| 32 | char *name; | |
| 33 | int supported; | |
| 34 | }; | |
| 35 | ||
| 36 | static inline void *squashfs_decompressor_init(struct squashfs_sb_info *msblk) | |
| 37 | { | |
| 38 | return msblk->decompressor->init(msblk); | |
| 39 | } | |
| 40 | ||
| 41 | static inline void squashfs_decompressor_free(struct squashfs_sb_info *msblk, | |
| 42 | void *s) | |
| 43 | { | |
| 44 | if (msblk->decompressor) | |
| 45 | msblk->decompressor->free(s); | |
| 46 | } | |
| 47 | ||
| 48 | static inline int squashfs_decompress(struct squashfs_sb_info *msblk, | |
| 49 | void **buffer, struct buffer_head **bh, int b, int offset, int length, | |
| 50 | int srclength, int pages) | |
| 51 | { | |
| 52 | return msblk->decompressor->decompress(msblk, buffer, bh, b, offset, | |
| 53 | length, srclength, pages); | |
| 54 | } | |
| 55 | #endif |