common/minilzo.h

Go to the documentation of this file.

// Emacs style mode select   -*- C++ -*- 
//-----------------------------------------------------------------------------
//
// $Id: minilzo.h 1084 2008-08-14 02:48:40Z russellrice $
//
// minilzo.h -- mini subset of the LZO real-time data compression library
//
//   This file is part of the LZO real-time data compression library.
//
//   Copyright (C) 2005 Markus Franz Xaver Johannes Oberhumer
//   Copyright (C) 2004 Markus Franz Xaver Johannes Oberhumer
//   Copyright (C) 2003 Markus Franz Xaver Johannes Oberhumer
//   Copyright (C) 2002 Markus Franz Xaver Johannes Oberhumer
//   Copyright (C) 2001 Markus Franz Xaver Johannes Oberhumer
//   Copyright (C) 2000 Markus Franz Xaver Johannes Oberhumer
//   Copyright (C) 1999 Markus Franz Xaver Johannes Oberhumer
//   Copyright (C) 1998 Markus Franz Xaver Johannes Oberhumer
//   Copyright (C) 1997 Markus Franz Xaver Johannes Oberhumer
//   Copyright (C) 1996 Markus Franz Xaver Johannes Oberhumer
//   All Rights Reserved.
//
//   The LZO library is free software; you can redistribute it and/or
//   modify it under the terms of the GNU General Public License,
//   version 2, as published by the Free Software Foundation.
//
//   The LZO library is distributed in the hope that it will be useful,
//   but WITHOUT ANY WARRANTY; without even the implied warranty of
//   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//   GNU General Public License for more details.
//
//   You should have received a copy of the GNU General Public License
//   along with the LZO library; see the file COPYING.
//   If not, write to the Free Software Foundation, Inc.,
//   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
//   Markus F.X.J. Oberhumer
//   <markus@oberhumer.com>
//   http://www.oberhumer.com/opensource/lzo/
// 
//-----------------------------------------------------------------------------


//
// * NOTE:
// *   the full LZO package can be found at
// *   http://www.oberhumer.com/opensource/lzo/
// 


#ifndef __MINILZO_H
#define __MINILZO_H

#define MINILZO_VERSION         0x2020

#ifdef __LZOCONF_H
#  error "you cannot use both LZO and miniLZO"
#endif

#undef LZO_HAVE_CONFIG_H
#include "lzoconf.h"

#if !defined(LZO_VERSION) || (LZO_VERSION != MINILZO_VERSION)
#  error "version mismatch in header files"
#endif


#ifdef __cplusplus
extern "C" {
#endif


/***********************************************************************
//
************************************************************************/

/* Memory required for the wrkmem parameter.
 * When the required size is 0, you can also pass a NULL pointer.
 */

#define LZO1X_MEM_COMPRESS      LZO1X_1_MEM_COMPRESS
#define LZO1X_1_MEM_COMPRESS    ((lzo_uint32) (16384L * lzo_sizeof_dict_t))
#define LZO1X_MEM_DECOMPRESS    (0)


/* compression */
LZO_EXTERN(int)
lzo1x_1_compress        ( const lzo_bytep src, lzo_uint  src_len,
                                lzo_bytep dst, lzo_uintp dst_len,
                                lzo_voidp wrkmem );

/* decompression */
LZO_EXTERN(int)
lzo1x_decompress        ( const lzo_bytep src, lzo_uint  src_len,
                                lzo_bytep dst, lzo_uintp dst_len,
                                lzo_voidp wrkmem /* NOT USED */ );

/* safe decompression with overrun testing */
LZO_EXTERN(int)
lzo1x_decompress_safe   ( const lzo_bytep src, lzo_uint  src_len,
                                lzo_bytep dst, lzo_uintp dst_len,
                                lzo_voidp wrkmem /* NOT USED */ );


#ifdef __cplusplus
} /* extern "C" */
#endif

#endif /* already included */