release/src/router/lzo/include/lzo/lzo1a.h

   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) 1996-2015 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@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 <lzo/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 sw=4 et: */