minilzo/minilzo.h

   1 /* minilzo.h -- mini subset of the LZO real-time data compression library
   2
   3    This file is part of the LZO real-time data compression library.
   4
   5    Copyright (C) 1996-2017 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  * NOTE:
  30  *   the full LZO package can be found at
  31  *   http://www.oberhumer.com/opensource/lzo/
  32  */
  33
  34
  35 #ifndef __MINILZO_H_INCLUDED
  36 #define __MINILZO_H_INCLUDED 1
  37
  38 #define MINILZO_VERSION         0x20a0  /* 2.10 */
  39
  40 #if defined(__LZOCONF_H_INCLUDED)
  41 #  error "you cannot use both LZO and miniLZO"
  42 #endif
  43
  44 /* internal Autoconf configuration file - only used when building miniLZO */
  45 #ifdef MINILZO_HAVE_CONFIG_H
  46 #  include <config.h>
  47 #endif
  48 #include <limits.h>
  49 #include <stddef.h>
  50
  51 #ifndef __LZODEFS_H_INCLUDED
  52 #include "lzodefs.h"
  53 #endif
  54 #undef LZO_HAVE_CONFIG_H
  55 #include "lzoconf.h"
  56
  57 #if !defined(LZO_VERSION) || (LZO_VERSION != MINILZO_VERSION)
  58 #  error "version mismatch in header files"
  59 #endif
  60
  61
  62 #ifdef __cplusplus
  63 extern "C" {
  64 #endif
  65
  66
  67 /***********************************************************************
  68 //
  69 ************************************************************************/
  70
  71 /* Memory required for the wrkmem parameter.
  72  * When the required size is 0, you can also pass a NULL pointer.
  73  */
  74
  75 #define LZO1X_MEM_COMPRESS      LZO1X_1_MEM_COMPRESS
  76 #define LZO1X_1_MEM_COMPRESS    ((lzo_uint32_t) (16384L * lzo_sizeof_dict_t))
  77 #define LZO1X_MEM_DECOMPRESS    (0)
  78
  79
  80 /* compression */
  81 LZO_EXTERN(int)
  82 lzo1x_1_compress        ( const lzo_bytep src, lzo_uint  src_len,
  83                                 lzo_bytep dst, lzo_uintp dst_len,
  84                                 lzo_voidp wrkmem );
  85
  86 /* decompression */
  87 LZO_EXTERN(int)
  88 lzo1x_decompress        ( const lzo_bytep src, lzo_uint  src_len,
  89                                 lzo_bytep dst, lzo_uintp dst_len,
  90                                 lzo_voidp wrkmem /* NOT USED */ );
  91
  92 /* safe decompression with overrun testing */
  93 LZO_EXTERN(int)
  94 lzo1x_decompress_safe   ( const lzo_bytep src, lzo_uint  src_len,
  95                                 lzo_bytep dst, lzo_uintp dst_len,
  96                                 lzo_voidp wrkmem /* NOT USED */ );
  97
  98
  99 #ifdef __cplusplus
 100 } /* extern "C" */
 101 #endif
 102
 103 #endif /* already included */
 104
 105
 106 /* vim:set ts=4 sw=4 et: */