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lzo1.h
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1997-07-13
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84 lines
/* lzo1.h -- public interface of the LZO1 compression algorithm
This file is part of the LZO real-time data compression library.
Copyright (C) 1997 Markus Franz Xaver Johannes Oberhumer
Copyright (C) 1996 Markus Franz Xaver Johannes Oberhumer
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.,
59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
Markus F.X.J. Oberhumer
markus.oberhumer@jk.uni-linz.ac.at
*/
#ifndef __LZO1_H
#define __LZO1_H
#ifndef __LZOCONF_H
#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 LZO1_MEM_COMPRESS ((lzo_uint) (8192L * sizeof(lzo_byte *)))
#define LZO1_MEM_DECOMPRESS (0)
LZO_EXTERN(int)
lzo1_compress ( const lzo_byte *src, lzo_uint src_len,
lzo_byte *dst, lzo_uint *dst_len,
lzo_voidp wrkmem );
LZO_EXTERN(int)
lzo1_decompress ( const lzo_byte *src, lzo_uint src_len,
lzo_byte *dst, lzo_uint *dst_len,
lzo_voidp wrkmem /* NOT USED */ );
/***********************************************************************
// better compression ratio at the cost of more memory and time
************************************************************************/
#define LZO1_99_MEM_COMPRESS ((lzo_uint) (65536L * sizeof(lzo_byte *)))
#if !defined(LZO_99_UNSUPPORTED)
LZO_EXTERN(int)
lzo1_99_compress ( const lzo_byte *src, lzo_uint src_len,
lzo_byte *dst, lzo_uint *dst_len,
lzo_voidp wrkmem );
#endif
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /* already included */