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- /* lzo1x.h -- public interface of the LZO1X compression algorithm
-
- This file is part of the LZO real-time data compression library.
-
- Copyright (C) 2005 Markus Franz Xaver Johannes Oberhumer
- Copyright (C) 2004 Markus Franz Xaver Johannes Oberhumer
- Copyright (C) 2003 Markus Franz Xaver Johannes Oberhumer
- Copyright (C) 2002 Markus Franz Xaver Johannes Oberhumer
- Copyright (C) 2001 Markus Franz Xaver Johannes Oberhumer
- Copyright (C) 2000 Markus Franz Xaver Johannes Oberhumer
- Copyright (C) 1999 Markus Franz Xaver Johannes Oberhumer
- Copyright (C) 1998 Markus Franz Xaver Johannes Oberhumer
- Copyright (C) 1997 Markus Franz Xaver Johannes Oberhumer
- Copyright (C) 1996 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,
- version 2, as published by the Free Software Foundation.
-
- 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 __LZO1X_H_INCLUDED
- #define __LZO1X_H_INCLUDED
-
- #ifndef __LZOCONF_H_INCLUDED
- #include "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 LZO1X_MEM_COMPRESS LZO1X_1_MEM_COMPRESS
- #define LZO1X_MEM_DECOMPRESS (0)
- #define LZO1X_MEM_OPTIMIZE (0)
-
-
- /* decompression */
- LZO_EXTERN(int)
- lzo1x_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)
- lzo1x_decompress_safe ( const lzo_bytep src, lzo_uint src_len,
- lzo_bytep dst, lzo_uintp dst_len,
- lzo_voidp wrkmem /* NOT USED */ );
-
-
- /***********************************************************************
- //
- ************************************************************************/
-
- #define LZO1X_1_MEM_COMPRESS ((lzo_uint32) (16384L * lzo_sizeof_dict_t))
-
- LZO_EXTERN(int)
- lzo1x_1_compress ( const lzo_bytep src, lzo_uint src_len,
- lzo_bytep dst, lzo_uintp dst_len,
- lzo_voidp wrkmem );
-
-
- /***********************************************************************
- // special compressor versions
- ************************************************************************/
-
- /* this version needs only 8 kB work memory */
- #define LZO1X_1_11_MEM_COMPRESS ((lzo_uint32) (2048L * lzo_sizeof_dict_t))
-
- LZO_EXTERN(int)
- lzo1x_1_11_compress ( const lzo_bytep src, lzo_uint src_len,
- lzo_bytep dst, lzo_uintp dst_len,
- lzo_voidp wrkmem );
-
-
- /* this version needs 16 kB work memory */
- #define LZO1X_1_12_MEM_COMPRESS ((lzo_uint32) (4096L * lzo_sizeof_dict_t))
-
- LZO_EXTERN(int)
- lzo1x_1_12_compress ( const lzo_bytep src, lzo_uint src_len,
- lzo_bytep dst, lzo_uintp dst_len,
- lzo_voidp wrkmem );
-
-
- /* use this version if you need a little more compression speed */
- #define LZO1X_1_15_MEM_COMPRESS ((lzo_uint32) (32768L * lzo_sizeof_dict_t))
-
- LZO_EXTERN(int)
- lzo1x_1_15_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 LZO1X_999_MEM_COMPRESS ((lzo_uint32) (14 * 16384L * sizeof(short)))
-
- LZO_EXTERN(int)
- lzo1x_999_compress ( const lzo_bytep src, lzo_uint src_len,
- lzo_bytep dst, lzo_uintp dst_len,
- lzo_voidp wrkmem );
-
-
- /***********************************************************************
- //
- ************************************************************************/
-
- LZO_EXTERN(int)
- lzo1x_999_compress_dict ( const lzo_bytep in , lzo_uint in_len,
- lzo_bytep out, lzo_uintp out_len,
- lzo_voidp wrkmem,
- const lzo_bytep dict, lzo_uint dict_len );
-
- LZO_EXTERN(int)
- lzo1x_999_compress_level ( const lzo_bytep in , lzo_uint in_len,
- lzo_bytep out, lzo_uintp out_len,
- lzo_voidp wrkmem,
- const lzo_bytep dict, lzo_uint dict_len,
- lzo_callback_p cb,
- int compression_level );
-
- LZO_EXTERN(int)
- lzo1x_decompress_dict_safe ( const lzo_bytep in, lzo_uint in_len,
- lzo_bytep out, lzo_uintp out_len,
- lzo_voidp wrkmem /* NOT USED */,
- const lzo_bytep dict, lzo_uint dict_len );
-
-
- /***********************************************************************
- // optimize a compressed data block
- ************************************************************************/
-
- LZO_EXTERN(int)
- lzo1x_optimize ( lzo_bytep in , lzo_uint in_len,
- lzo_bytep out, lzo_uintp out_len,
- lzo_voidp wrkmem /* NOT USED */ );
-
-
-
- #ifdef __cplusplus
- } /* extern "C" */
- #endif
-
- #endif /* already included */
-
-
- /* vim:set ts=4 et: */
-