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      1 /* lzo1a.h -- public interface of the LZO1A compression algorithm
      2 
      3    This file is part of the LZO real-time data compression library.
      4 
      5    Copyright (C) 1996-2014 Markus Franz Xaver Johannes Oberhumer
      6    All Rights Reserved.
      7 
      8    The LZO library is free software; you can redistribute it and/or
      9    modify it under the terms of the GNU General Public License as
     10    published by the Free Software Foundation; either version 2 of
     11    the License, or (at your option) any later version.
     12 
     13    The LZO library is distributed in the hope that it will be useful,
     14    but WITHOUT ANY WARRANTY; without even the implied warranty of
     15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     16    GNU General Public License for more details.
     17 
     18    You should have received a copy of the GNU General Public License
     19    along with the LZO library; see the file COPYING.
     20    If not, write to the Free Software Foundation, Inc.,
     21    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
     22 
     23    Markus F.X.J. Oberhumer
     24    <markus (at) oberhumer.com>
     25    http://www.oberhumer.com/opensource/lzo/
     26  */
     27 
     28 
     29 #ifndef __LZO1A_H_INCLUDED
     30 #define __LZO1A_H_INCLUDED 1
     31 
     32 #ifndef __LZOCONF_H_INCLUDED
     33 #include "lzoconf.h"
     34 #endif
     35 
     36 #ifdef __cplusplus
     37 extern "C" {
     38 #endif
     39 
     40 
     41 /***********************************************************************
     42 //
     43 ************************************************************************/
     44 
     45 /* Memory required for the wrkmem parameter.
     46  * When the required size is 0, you can also pass a NULL pointer.
     47  */
     48 
     49 #define LZO1A_MEM_COMPRESS      ((lzo_uint32_t) (8192L * lzo_sizeof_dict_t))
     50 #define LZO1A_MEM_DECOMPRESS    (0)
     51 
     52 
     53 LZO_EXTERN(int)
     54 lzo1a_compress          ( const lzo_bytep src, lzo_uint  src_len,
     55                                 lzo_bytep dst, lzo_uintp dst_len,
     56                                 lzo_voidp wrkmem );
     57 
     58 LZO_EXTERN(int)
     59 lzo1a_decompress        ( const lzo_bytep src, lzo_uint  src_len,
     60                                 lzo_bytep dst, lzo_uintp dst_len,
     61                                 lzo_voidp wrkmem /* NOT USED */ );
     62 
     63 
     64 /***********************************************************************
     65 // better compression ratio at the cost of more memory and time
     66 ************************************************************************/
     67 
     68 #define LZO1A_99_MEM_COMPRESS   ((lzo_uint32_t) (65536L * lzo_sizeof_dict_t))
     69 
     70 LZO_EXTERN(int)
     71 lzo1a_99_compress       ( const lzo_bytep src, lzo_uint  src_len,
     72                                 lzo_bytep dst, lzo_uintp dst_len,
     73                                 lzo_voidp wrkmem );
     74 
     75 
     76 
     77 #ifdef __cplusplus
     78 } /* extern "C" */
     79 #endif
     80 
     81 #endif /* already included */
     82 
     83 
     84 /* vim:set ts=4 et: */
     85