lzo1x_1k.c

lzo-1.08-src.zip 高效的压缩解压代码

/* lzo1x_1k.c -- LZO1X-1(11) compression (needs only 8kB work memory)

   This file is part of the LZO real-time data compression library.

   Copyright (C) 1996-2002 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
   <[e-mail]>
 */


#define LZO_NEED_DICT_H
#define D_BITS			11
#define D_INDEX1(d,p)		d = DM((0x21*DX2(p,3,5)) >> 5)
#define D_INDEX2(d,p)		d = d ^ D_MASK

#include "config1x.h"

#define DO_COMPRESS		lzo1x_1_11_compress

#include "lzo1x_c.ch"