projects / mirror_ubuntu-artful-kernel.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 | |
| d7f2ff67 | 7 | * Phillip Lougher <phillip@squashfs.org.uk> |
| 4c0f0bb2 PL |
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 { | |
| 9508c6b9 PL |
27 | void *(*init)(struct squashfs_sb_info *, void *); |
| 28 | void *(*comp_opts)(struct squashfs_sb_info *, void *, int); | |
| 4c0f0bb2 | 29 | void (*free)(void *); |
| 846b730e PL |
30 | int (*decompress)(struct squashfs_sb_info *, void *, |
| 31 | struct buffer_head **, int, int, int, | |
| 32 | struct squashfs_page_actor *); | |
| 4c0f0bb2 PL |
33 | int id; |
| 34 | char *name; | |
| 35 | int supported; | |
| 36 | }; | |
| 37 | ||
| 9508c6b9 PL |
38 | static inline void *squashfs_comp_opts(struct squashfs_sb_info *msblk, |
| 39 | void *buff, int length) | |
| 4c0f0bb2 | 40 | { |
| 9508c6b9 PL |
41 | return msblk->decompressor->comp_opts ? |
| 42 | msblk->decompressor->comp_opts(msblk, buff, length) : NULL; | |
| 4c0f0bb2 | 43 | } |
| 7a43ae52 PL |
44 | |
| 45 | #ifdef CONFIG_SQUASHFS_XZ | |
| 46 | extern const struct squashfs_decompressor squashfs_xz_comp_ops; | |
| 47 | #endif | |
| 48 | ||
| 62421645 PL |
49 | #ifdef CONFIG_SQUASHFS_LZ4 |
| 50 | extern const struct squashfs_decompressor squashfs_lz4_comp_ops; | |
| 51 | #endif | |
| 52 | ||
| 01a678c5 PL |
53 | #ifdef CONFIG_SQUASHFS_LZO |
| 54 | extern const struct squashfs_decompressor squashfs_lzo_comp_ops; | |
| 55 | #endif | |
| 56 | ||
| cc6d3497 PL |
57 | #ifdef CONFIG_SQUASHFS_ZLIB |
| 58 | extern const struct squashfs_decompressor squashfs_zlib_comp_ops; | |
| 59 | #endif | |
| 60 | ||
| 4c0f0bb2 | 61 | #endif |