| #ifndef LZO_WRAPPER_H |
| #define LZO_WRAPPER_H |
| /* |
| * Squashfs |
| * |
| * Copyright (c) 2013 |
| * 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| * |
| * lzo_wrapper.h |
| * |
| */ |
| |
| #ifndef linux |
| #define __BYTE_ORDER BYTE_ORDER |
| #define __BIG_ENDIAN BIG_ENDIAN |
| #define __LITTLE_ENDIAN LITTLE_ENDIAN |
| #else |
| #include <endian.h> |
| #endif |
| |
| #if __BYTE_ORDER == __BIG_ENDIAN |
| extern unsigned int inswap_le32(unsigned int); |
| |
| #define SQUASHFS_INSWAP_COMP_OPTS(s) { \ |
| (s)->algorithm = inswap_le32((s)->algorithm); \ |
| (s)->compression_level = inswap_le32((s)->compression_level); \ |
| } |
| #else |
| #define SQUASHFS_INSWAP_COMP_OPTS(s) |
| #endif |
| |
| /* Define the compression flags recognised. */ |
| #define SQUASHFS_LZO1X_1 0 |
| #define SQUASHFS_LZO1X_1_11 1 |
| #define SQUASHFS_LZO1X_1_12 2 |
| #define SQUASHFS_LZO1X_1_15 3 |
| #define SQUASHFS_LZO1X_999 4 |
| |
| /* Default compression level used by SQUASHFS_LZO1X_999 */ |
| #define SQUASHFS_LZO1X_999_COMP_DEFAULT 8 |
| |
| struct lzo_comp_opts { |
| int algorithm; |
| int compression_level; |
| }; |
| |
| struct lzo_algorithm { |
| char *name; |
| int size; |
| int (*compress) (const lzo_bytep, lzo_uint, lzo_bytep, lzo_uintp, |
| lzo_voidp); |
| }; |
| |
| struct lzo_stream { |
| void *workspace; |
| void *buffer; |
| }; |
| |
| #define LZO_MAX_EXPANSION(size) (size + (size / 16) + 64 + 3) |
| |
| int lzo1x_999_wrapper(const lzo_bytep, lzo_uint, lzo_bytep, lzo_uintp, |
| lzo_voidp); |
| |
| #endif |