LXR syslinux/lzo/include/lzo/lzo1.h

   1/* lzo1.h -- public interface of the LZO1 compression algorithm
   2
   3   This file is part of the LZO real-time data compression library.
   4
   5   Copyright (C) 2008 Markus Franz Xaver Johannes Oberhumer
   6   Copyright (C) 2007 Markus Franz Xaver Johannes Oberhumer
   7   Copyright (C) 2006 Markus Franz Xaver Johannes Oberhumer
   8   Copyright (C) 2005 Markus Franz Xaver Johannes Oberhumer
   9   Copyright (C) 2004 Markus Franz Xaver Johannes Oberhumer
  10   Copyright (C) 2003 Markus Franz Xaver Johannes Oberhumer
  11   Copyright (C) 2002 Markus Franz Xaver Johannes Oberhumer
  12   Copyright (C) 2001 Markus Franz Xaver Johannes Oberhumer
  13   Copyright (C) 2000 Markus Franz Xaver Johannes Oberhumer
  14   Copyright (C) 1999 Markus Franz Xaver Johannes Oberhumer
  15   Copyright (C) 1998 Markus Franz Xaver Johannes Oberhumer
  16   Copyright (C) 1997 Markus Franz Xaver Johannes Oberhumer
  17   Copyright (C) 1996 Markus Franz Xaver Johannes Oberhumer
  18   All Rights Reserved.
  19
  20   The LZO library is free software; you can redistribute it and/or
  21   modify it under the terms of the GNU General Public License as
  22   published by the Free Software Foundation; either version 2 of
  23   the License, or (at your option) any later version.
  24
  25   The LZO library is distributed in the hope that it will be useful,
  26   but WITHOUT ANY WARRANTY; without even the implied warranty of
  27   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  28   GNU General Public License for more details.
  29
  30   You should have received a copy of the GNU General Public License
  31   along with the LZO library; see the file COPYING.
  32   If not, write to the Free Software Foundation, Inc.,
  33   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  34
  35   Markus F.X.J. Oberhumer
  36   <markus@oberhumer.com>
  37   http://www.oberhumer.com/opensource/lzo/
  38 */
  39
  40
  41#ifndef __LZO1_H_INCLUDED
  42#define __LZO1_H_INCLUDED
  43
  44#ifndef __LZOCONF_H_INCLUDED
  45#include "lzoconf.h"
  46#endif
  47
  48#ifdef __cplusplus
  49extern "C" {
  50#endif
  51
  52
  53/***********************************************************************
  54//
  55************************************************************************/
  56
  57/* Memory required for the wrkmem parameter.
  58 * When the required size is 0, you can also pass a NULL pointer.
  59 */
  60
  61#define LZO1_MEM_COMPRESS       ((lzo_uint32) (8192L * lzo_sizeof_dict_t))
  62#define LZO1_MEM_DECOMPRESS     (0)
  63
  64
  65LZO_EXTERN(int)
  66lzo1_compress           ( const lzo_bytep src, lzo_uint  src_len,
  67                                lzo_bytep dst, lzo_uintp dst_len,
  68                                lzo_voidp wrkmem );
  69
  70LZO_EXTERN(int)
  71lzo1_decompress         ( const lzo_bytep src, lzo_uint  src_len,
  72                                lzo_bytep dst, lzo_uintp dst_len,
  73                                lzo_voidp wrkmem /* NOT USED */ );
  74
  75
  76/***********************************************************************
  77// better compression ratio at the cost of more memory and time
  78************************************************************************/
  79
  80#define LZO1_99_MEM_COMPRESS    ((lzo_uint32) (65536L * lzo_sizeof_dict_t))
  81
  82LZO_EXTERN(int)
  83lzo1_99_compress        ( const lzo_bytep src, lzo_uint  src_len,
  84                                lzo_bytep dst, lzo_uintp dst_len,
  85                                lzo_voidp wrkmem );
  86
  87
  88
  89#ifdef __cplusplus
  90} /* extern "C" */
  91#endif
  92
  93#endif /* already included */
  94
  95
  96/* vim:set ts=4 et: */
  97