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/* lzo1z.h -- public interface of the LZO1Z compression algorithm 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/ */ #ifndef __LZO1Z_H_INCLUDED #define __LZO1Z_H_INCLUDED #ifndef __LZOCONF_H_INCLUDED #include "lzoconf.h" #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 LZO1Z_MEM_COMPRESS ((lzo_uint32) (16384L * lzo_sizeof_dict_t)) #define LZO1Z_MEM_DECOMPRESS (0) #define LZO1Z_MEM_OPTIMIZE (0) /* decompression */ LZO_EXTERN(int) lzo1z_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) lzo1z_decompress_safe ( const lzo_bytep src, lzo_uint src_len, lzo_bytep dst, lzo_uintp dst_len, lzo_voidp wrkmem /* NOT USED */ ); /*********************************************************************** // ************************************************************************/ #if 0 /* not yet implemented */ LZO_EXTERN(int) lzo1z_1_compress ( const lzo_bytep src, lzo_uint src_len, lzo_bytep dst, lzo_uintp dst_len, lzo_voidp wrkmem ); #endif /*********************************************************************** // better compression ratio at the cost of more memory and time ************************************************************************/ #define LZO1Z_999_MEM_COMPRESS ((lzo_uint32) (14 * 16384L * sizeof(short))) LZO_EXTERN(int) lzo1z_999_compress ( const lzo_bytep src, lzo_uint src_len, lzo_bytep dst, lzo_uintp dst_len, lzo_voidp wrkmem ); /*********************************************************************** // ************************************************************************/ LZO_EXTERN(int) lzo1z_999_compress_dict ( const lzo_bytep in , lzo_uint in_len, lzo_bytep out, lzo_uintp out_len, lzo_voidp wrkmem, const lzo_bytep dict, lzo_uint dict_len ); LZO_EXTERN(int) lzo1z_999_compress_level ( const lzo_bytep in , lzo_uint in_len, lzo_bytep out, lzo_uintp out_len, lzo_voidp wrkmem, const lzo_bytep dict, lzo_uint dict_len, lzo_callback_p cb, int compression_level ); LZO_EXTERN(int) lzo1z_decompress_dict_safe ( const lzo_bytep in, lzo_uint in_len, lzo_bytep out, lzo_uintp out_len, lzo_voidp wrkmem /* NOT USED */, const lzo_bytep dict, lzo_uint dict_len ); /*********************************************************************** // optimize a compressed data block ************************************************************************/ #if 0 /* not yet implemented */ LZO_EXTERN(int) lzo1z_optimize ( lzo_bytep in , lzo_uint in_len, lzo_bytep out, lzo_uintp out_len, lzo_voidp wrkmem /* NOT USED */ ); #endif #ifdef __cplusplus } /* extern "C" */ #endif #endif /* already included */ /* vim:set ts=4 et: */