OpenTTD-patches/src/minilzo.h

/* $Id$ */

/**
 * @file 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) 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 as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * 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.,
 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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         0x1080

#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_byte *src, lzo_uint  src_len,
                                lzo_byte *dst, lzo_uintp dst_len,
                                lzo_voidp wrkmem );

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

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


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

#endif /* MINILZO_H */