code.delx.au - refind/blob - filesystems/minilzo.h

   1 /*
   2  * this file take from grub 2.0
   3  * for btrfs UEFI driver
   4  */
   5
   6 /* minilzo.h -- mini subset of the LZO real-time data compression library
   7
   8    This file is part of the LZO real-time data compression library.
   9
  10    Copyright (C) 2011 Markus Franz Xaver Johannes Oberhumer
  11    Copyright (C) 2010 Markus Franz Xaver Johannes Oberhumer
  12    Copyright (C) 2009 Markus Franz Xaver Johannes Oberhumer
  13    Copyright (C) 2008 Markus Franz Xaver Johannes Oberhumer
  14    Copyright (C) 2007 Markus Franz Xaver Johannes Oberhumer
  15    Copyright (C) 2006 Markus Franz Xaver Johannes Oberhumer
  16    Copyright (C) 2005 Markus Franz Xaver Johannes Oberhumer
  17    Copyright (C) 2004 Markus Franz Xaver Johannes Oberhumer
  18    Copyright (C) 2003 Markus Franz Xaver Johannes Oberhumer
  19    Copyright (C) 2002 Markus Franz Xaver Johannes Oberhumer
  20    Copyright (C) 2001 Markus Franz Xaver Johannes Oberhumer
  21    Copyright (C) 2000 Markus Franz Xaver Johannes Oberhumer
  22    Copyright (C) 1999 Markus Franz Xaver Johannes Oberhumer
  23    Copyright (C) 1998 Markus Franz Xaver Johannes Oberhumer
  24    Copyright (C) 1997 Markus Franz Xaver Johannes Oberhumer
  25    Copyright (C) 1996 Markus Franz Xaver Johannes Oberhumer
  26    All Rights Reserved.
  27
  28    The LZO library is free software; you can redistribute it and/or
  29    modify it under the terms of the GNU General Public License as
  30    published by the Free Software Foundation; either version 2 of
  31    the License, or (at your option) any later version.
  32
  33    The LZO library is distributed in the hope that it will be useful,
  34    but WITHOUT ANY WARRANTY; without even the implied warranty of
  35    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  36    GNU General Public License for more details.
  37
  38    You should have received a copy of the GNU General Public License
  39    along with the LZO library; see the file COPYING.
  40    If not, write to the Free Software Foundation, Inc.,
  41    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  42
  43    Markus F.X.J. Oberhumer
  44    <markus@oberhumer.com>
  45    http://www.oberhumer.com/opensource/lzo/
  46  */
  47
  48 /*
  49  * NOTE:
  50  *   the full LZO package can be found at
  51  *   http://www.oberhumer.com/opensource/lzo/
  52  */
  53
  54
  55 #ifndef __MINILZO_H
  56 #define __MINILZO_H 1
  57
  58 #define MINILZO_VERSION         0x2050
  59
  60 #ifdef __LZOCONF_H
  61 #  error "you cannot use both LZO and miniLZO"
  62 #endif
  63
  64 #undef LZO_HAVE_CONFIG_H
  65 #include "lzoconf.h"
  66
  67 #if !defined(LZO_VERSION) || (LZO_VERSION != MINILZO_VERSION)
  68 #  error "version mismatch in header files"
  69 #endif
  70
  71
  72 #ifdef __cplusplus
  73 extern "C" {
  74 #endif
  75
  76
  77 /***********************************************************************
  78 //
  79 ************************************************************************/
  80
  81 /* Memory required for the wrkmem parameter.
  82  * When the required size is 0, you can also pass a NULL pointer.
  83  */
  84
  85 #define LZO1X_MEM_COMPRESS      LZO1X_1_MEM_COMPRESS
  86 #define LZO1X_1_MEM_COMPRESS    ((lzo_uint32) (16384L * lzo_sizeof_dict_t))
  87 #define LZO1X_MEM_DECOMPRESS    (0)
  88
  89
  90 /* compression */
  91 LZO_EXTERN(int)
  92 lzo1x_1_compress        ( const lzo_bytep src, lzo_uint  src_len,
  93                                 lzo_bytep dst, lzo_uintp dst_len,
  94                                 lzo_voidp wrkmem );
  95
  96 /* decompression */
  97 LZO_EXTERN(int)
  98 lzo1x_decompress        ( const lzo_bytep src, lzo_uint  src_len,
  99                                 lzo_bytep dst, lzo_uintp dst_len,
 100                                 lzo_voidp wrkmem /* NOT USED */ );
 101
 102 /* safe decompression with overrun testing */
 103 LZO_EXTERN(int)
 104 lzo1x_decompress_safe   ( const lzo_bytep src, lzo_uint  src_len,
 105                                 lzo_bytep dst, lzo_uintp dst_len,
 106                                 lzo_voidp wrkmem /* NOT USED */ );
 107
 108
 109 #ifdef __cplusplus
 110 } /* extern "C" */
 111 #endif
 112
 113 #endif /* already included */
 114