minilzo.h

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00001 /* minilzo.h -- mini subset of the LZO real-time data compression library
00002 
00003    This file is part of the LZO real-time data compression library.
00004 
00005    Copyright (C) 2005 Markus Franz Xaver Johannes Oberhumer
00006    Copyright (C) 2004 Markus Franz Xaver Johannes Oberhumer
00007    Copyright (C) 2003 Markus Franz Xaver Johannes Oberhumer
00008    Copyright (C) 2002 Markus Franz Xaver Johannes Oberhumer
00009    Copyright (C) 2001 Markus Franz Xaver Johannes Oberhumer
00010    Copyright (C) 2000 Markus Franz Xaver Johannes Oberhumer
00011    Copyright (C) 1999 Markus Franz Xaver Johannes Oberhumer
00012    Copyright (C) 1998 Markus Franz Xaver Johannes Oberhumer
00013    Copyright (C) 1997 Markus Franz Xaver Johannes Oberhumer
00014    Copyright (C) 1996 Markus Franz Xaver Johannes Oberhumer
00015    All Rights Reserved.
00016 
00017    The LZO library is free software; you can redistribute it and/or
00018    modify it under the terms of the GNU General Public License,
00019    version 2, as published by the Free Software Foundation.
00020 
00021    The LZO library is distributed in the hope that it will be useful,
00022    but WITHOUT ANY WARRANTY; without even the implied warranty of
00023    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00024    GNU General Public License for more details.
00025 
00026    You should have received a copy of the GNU General Public License
00027    along with the LZO library; see the file COPYING.
00028    If not, write to the Free Software Foundation, Inc.,
00029    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
00030 
00031    Markus F.X.J. Oberhumer
00032    <markus@oberhumer.com>
00033    http://www.oberhumer.com/opensource/lzo/
00034  */
00035 
00036 /*
00037  * NOTE:
00038  *   the full LZO package can be found at
00039  *   http://www.oberhumer.com/opensource/lzo/
00040  */
00041 
00042 
00043 #ifndef __MINILZO_H
00044 #define __MINILZO_H
00045 
00046 #define MINILZO_VERSION         0x2020
00047 
00048 #ifdef __LZOCONF_H
00049 #  error "you cannot use both LZO and miniLZO"
00050 #endif
00051 
00052 #undef LZO_HAVE_CONFIG_H
00053 #include "lzoconf.h"
00054 
00055 #if !defined(LZO_VERSION) || (LZO_VERSION != MINILZO_VERSION)
00056 #  error "version mismatch in header files"
00057 #endif
00058 
00059 
00060 #ifdef __cplusplus
00061 extern "C" {
00062 #endif
00063 
00064 
00065 /***********************************************************************
00066 //
00067 ************************************************************************/
00068 
00069 /* Memory required for the wrkmem parameter.
00070  * When the required size is 0, you can also pass a NULL pointer.
00071  */
00072 
00073 #define LZO1X_MEM_COMPRESS      LZO1X_1_MEM_COMPRESS
00074 #define LZO1X_1_MEM_COMPRESS    ((lzo_uint32) (16384L * lzo_sizeof_dict_t))
00075 #define LZO1X_MEM_DECOMPRESS    (0)
00076 
00077 
00078 /* compression */
00079 LZO_EXTERN(int)
00080 lzo1x_1_compress        ( const lzo_bytep src, lzo_uint  src_len,
00081                                 lzo_bytep dst, lzo_uintp dst_len,
00082                                 lzo_voidp wrkmem );
00083 
00084 /* decompression */
00085 LZO_EXTERN(int)
00086 lzo1x_decompress        ( const lzo_bytep src, lzo_uint  src_len,
00087                                 lzo_bytep dst, lzo_uintp dst_len,
00088                                 lzo_voidp wrkmem /* NOT USED */ );
00089 
00090 /* safe decompression with overrun testing */
00091 LZO_EXTERN(int)
00092 lzo1x_decompress_safe   ( const lzo_bytep src, lzo_uint  src_len,
00093                                 lzo_bytep dst, lzo_uintp dst_len,
00094                                 lzo_voidp wrkmem /* NOT USED */ );
00095 
00096 
00097 #ifdef __cplusplus
00098 } /* extern "C" */
00099 #endif
00100 
00101 #endif /* already included */
00102