#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 { void *(*init)(struct squashfs_sb_info *, void *); void *(*comp_opts)(struct squashfs_sb_info *, void *, int); void (*free)(void *); int (*decompress)(struct squashfs_sb_info *, void *, struct buffer_head **, int, int, int, struct squashfs_page_actor *); int id; char *name; int supported; }; static inline void *squashfs_comp_opts(struct squashfs_sb_info *msblk, void *buff, int length) { return msblk->decompressor->comp_opts ? msblk->decompressor->comp_opts(msblk, buff, length) : NULL; } #ifdef [31mCONFIG_SQUASHFS_XZ[0m extern const struct squashfs_decompressor squashfs_xz_comp_ops; #endif #ifdef [31mCONFIG_SQUASHFS_LZ4[0m extern const struct squashfs_decompressor squashfs_lz4_comp_ops; #endif #ifdef [31mCONFIG_SQUASHFS_LZO[0m extern const struct squashfs_decompressor squashfs_lzo_comp_ops; #endif #ifdef [31mCONFIG_SQUASHFS_ZLIB[0m extern const struct squashfs_decompressor squashfs_zlib_comp_ops; #endif #endif |