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- /* lzo1b.h -- public interface of the LZO1B compression algorithm
- This file is part of the LZO real-time data compression library.
- Copyright (C) 1996-2015 Markus Franz Xaver Johannes Oberhumer
- All Rights Reserved.
- The LZO library 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 of
- the License, or (at your option) any later version.
- The LZO library 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 the LZO library; see the file COPYING.
- If not, write to the Free Software Foundation, Inc.,
- 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- Markus F.X.J. Oberhumer
- <markus@oberhumer.com>
- http://www.oberhumer.com/opensource/lzo/
- */
- #ifndef __LZO1B_H_INCLUDED
- #define __LZO1B_H_INCLUDED 1
- #ifndef __LZOCONF_H_INCLUDED
- #include <lzo/lzoconf.h>
- #endif
- #ifdef __cplusplus
- extern "C" {
- #endif
- /***********************************************************************
- //
- ************************************************************************/
- /* Memory required for the wrkmem parameter.
- * When the required size is 0, you can also pass a NULL pointer.
- */
- #define LZO1B_MEM_COMPRESS ((lzo_uint32_t) (16384L * lzo_sizeof_dict_t))
- #define LZO1B_MEM_DECOMPRESS (0)
- /* compression levels */
- #define LZO1B_BEST_SPEED 1
- #define LZO1B_BEST_COMPRESSION 9
- #define LZO1B_DEFAULT_COMPRESSION (-1) /* fastest by default */
- LZO_EXTERN(int)
- lzo1b_compress ( const lzo_bytep src, lzo_uint src_len,
- lzo_bytep dst, lzo_uintp dst_len,
- lzo_voidp wrkmem,
- int compression_level );
- /* decompression */
- LZO_EXTERN(int)
- lzo1b_decompress ( const lzo_bytep src, lzo_uint src_len,
- lzo_bytep dst, lzo_uintp dst_len,
- lzo_voidp wrkmem /* NOT USED */ );
- /* safe decompression with overrun testing */
- LZO_EXTERN(int)
- lzo1b_decompress_safe ( const lzo_bytep src, lzo_uint src_len,
- lzo_bytep dst, lzo_uintp dst_len,
- lzo_voidp wrkmem /* NOT USED */ );
- /***********************************************************************
- //
- ************************************************************************/
- LZO_EXTERN(int)
- lzo1b_1_compress ( const lzo_bytep src, lzo_uint src_len,
- lzo_bytep dst, lzo_uintp dst_len,
- lzo_voidp wrkmem );
- LZO_EXTERN(int)
- lzo1b_2_compress ( const lzo_bytep src, lzo_uint src_len,
- lzo_bytep dst, lzo_uintp dst_len,
- lzo_voidp wrkmem );
- LZO_EXTERN(int)
- lzo1b_3_compress ( const lzo_bytep src, lzo_uint src_len,
- lzo_bytep dst, lzo_uintp dst_len,
- lzo_voidp wrkmem );
- LZO_EXTERN(int)
- lzo1b_4_compress ( const lzo_bytep src, lzo_uint src_len,
- lzo_bytep dst, lzo_uintp dst_len,
- lzo_voidp wrkmem );
- LZO_EXTERN(int)
- lzo1b_5_compress ( const lzo_bytep src, lzo_uint src_len,
- lzo_bytep dst, lzo_uintp dst_len,
- lzo_voidp wrkmem );
- LZO_EXTERN(int)
- lzo1b_6_compress ( const lzo_bytep src, lzo_uint src_len,
- lzo_bytep dst, lzo_uintp dst_len,
- lzo_voidp wrkmem );
- LZO_EXTERN(int)
- lzo1b_7_compress ( const lzo_bytep src, lzo_uint src_len,
- lzo_bytep dst, lzo_uintp dst_len,
- lzo_voidp wrkmem );
- LZO_EXTERN(int)
- lzo1b_8_compress ( const lzo_bytep src, lzo_uint src_len,
- lzo_bytep dst, lzo_uintp dst_len,
- lzo_voidp wrkmem );
- LZO_EXTERN(int)
- lzo1b_9_compress ( const lzo_bytep src, lzo_uint src_len,
- lzo_bytep dst, lzo_uintp dst_len,
- lzo_voidp wrkmem );
- /***********************************************************************
- // better compression ratio at the cost of more memory and time
- ************************************************************************/
- #define LZO1B_99_MEM_COMPRESS ((lzo_uint32_t) (65536L * lzo_sizeof_dict_t))
- LZO_EXTERN(int)
- lzo1b_99_compress ( const lzo_bytep src, lzo_uint src_len,
- lzo_bytep dst, lzo_uintp dst_len,
- lzo_voidp wrkmem );
- #define LZO1B_999_MEM_COMPRESS ((lzo_uint32_t) (3 * 65536L * sizeof(lzo_xint)))
- LZO_EXTERN(int)
- lzo1b_999_compress ( const lzo_bytep src, lzo_uint src_len,
- lzo_bytep dst, lzo_uintp dst_len,
- lzo_voidp wrkmem );
- #ifdef __cplusplus
- } /* extern "C" */
- #endif
- #endif /* already included */
- /* vim:set ts=4 sw=4 et: */
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