diff options
author | Roman Yeryomin <roman@advem.lv> | 2012-09-13 00:40:35 +0300 |
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committer | Roman Yeryomin <roman@advem.lv> | 2012-12-03 00:13:21 +0200 |
commit | 5deb3317cb51ac52de922bb55f8492624018906d (patch) | |
tree | c2fbe6346699d9bb0f2100490c3029519bb8fde8 /target/linux/realtek/files/fs/squashfs/decompressor.c | |
parent | 0239d37124f9184b478a42de8a7fa1bc85a6a6fe (diff) |
Add realtek target files
Signed-off-by: Roman Yeryomin <roman@advem.lv>
Diffstat (limited to 'target/linux/realtek/files/fs/squashfs/decompressor.c')
-rw-r--r-- | target/linux/realtek/files/fs/squashfs/decompressor.c | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/target/linux/realtek/files/fs/squashfs/decompressor.c b/target/linux/realtek/files/fs/squashfs/decompressor.c new file mode 100644 index 000000000..0b6ad9b19 --- /dev/null +++ b/target/linux/realtek/files/fs/squashfs/decompressor.c @@ -0,0 +1,72 @@ +/* + * Squashfs - a compressed read only filesystem for Linux + * + * Copyright (c) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 + * Phillip Lougher <phillip@lougher.demon.co.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.c + */ + +#include <linux/types.h> +#include <linux/mutex.h> +#include <linux/buffer_head.h> + +#include "squashfs_fs.h" +#include "squashfs_fs_sb.h" +#include "squashfs_fs_i.h" +#include "decompressor.h" +#include "squashfs.h" + +/* + * This file (and decompressor.h) implements a decompressor framework for + * Squashfs, allowing multiple decompressors to be easily supported + */ + +static const struct squashfs_decompressor squashfs_lzma_unsupported_comp_ops = { + NULL, NULL, NULL, LZMA_COMPRESSION, "lzma", 0 +}; + +static const struct squashfs_decompressor squashfs_lzo_unsupported_comp_ops = { + NULL, NULL, NULL, LZO_COMPRESSION, "lzo", 0 +}; + +static const struct squashfs_decompressor squashfs_unknown_comp_ops = { + NULL, NULL, NULL, 0, "unknown", 0 +}; + +static const struct squashfs_decompressor *decompressor[] = { + &squashfs_zlib_comp_ops, +#ifdef CONFIG_SQUASHFS_LZMA + &squashfs_lzma_comp_ops, +#else + &squashfs_lzma_unsupported_comp_ops, +#endif + &squashfs_lzo_unsupported_comp_ops, + &squashfs_unknown_comp_ops +}; + + +const struct squashfs_decompressor *squashfs_lookup_decompressor(int id) +{ + int i; + + for (i = 0; decompressor[i]->id; i++) + if (id == decompressor[i]->id) + break; + + return decompressor[i]; +} |