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+/* config2a.h -- configuration for the LZO2A algorithm
+
+ This file is part of the LZO real-time data compression library.
+
+ Copyright (C) 1996-2014 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.,
+ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+
+ Markus F.X.J. Oberhumer
+ <markus@oberhumer.com>
+ http://www.oberhumer.com/opensource/lzo/
+ */
+
+
+/* WARNING: this file should *not* be used by applications. It is
+ part of the implementation of the library and is subject
+ to change.
+ */
+
+
+#ifndef __LZO_CONFIG2A_H
+#define __LZO_CONFIG2A_H 1
+
+#include "lzo_conf.h"
+#include "lzo/lzo2a.h"
+
+
+/***********************************************************************
+// algorithm configuration
+************************************************************************/
+
+/* dictionary depth (0 - 6) - this only affects the compressor.
+ * 0 is fastest, 6 is best compression ratio */
+#if !defined(DDBITS)
+# define DDBITS 0
+#endif
+
+/* compression level (1 - 9) - this only affects the compressor.
+ * 1 is fastest, 9 is best compression ratio */
+#if !defined(CLEVEL)
+# define CLEVEL 1 /* fastest by default */
+#endif
+
+
+/* check configuration */
+#if (DDBITS < 0 || DDBITS > 6)
+# error "invalid DDBITS"
+#endif
+#if (CLEVEL < 1 || CLEVEL > 9)
+# error "invalid CLEVEL"
+#endif
+
+
+/***********************************************************************
+// internal configuration
+************************************************************************/
+
+#if 1
+#define SWD_N 8191 /* size of ring buffer */
+#else
+#define SWD_N 16383 /* size of ring buffer */
+#endif
+
+#define M1_MIN_LEN 2
+#define M1_MAX_LEN 5
+#define M2_MIN_LEN 3
+#define M3_MIN_LEN 3
+
+
+/* add a special code so that the decompressor can detect the
+ * end of the compressed data block (overhead is 3 bytes per block) */
+#define LZO_EOF_CODE 1
+
+#undef LZO_DETERMINISTIC
+
+
+/***********************************************************************
+// algorithm internal configuration
+************************************************************************/
+
+/* choose the hashing strategy */
+#ifndef LZO_HASH
+#define LZO_HASH LZO_HASH_LZO_INCREMENTAL_A
+#endif
+
+/* config */
+#define DD_BITS DDBITS
+#ifndef D_BITS
+#define D_BITS 14
+#endif
+
+
+
+/***********************************************************************
+// optimization and debugging
+************************************************************************/
+
+/* Collect statistics */
+#if 0 && !defined(LZO_COLLECT_STATS)
+# define LZO_COLLECT_STATS 1
+#endif
+
+
+/***********************************************************************
+//
+************************************************************************/
+
+/* get bits */
+#define _NEEDBITS \
+ { _NEEDBYTE; b |= ((lzo_uint32_t) _NEXTBYTE) << k; k += 8; assert(k <= 32); }
+#define NEEDBITS(j) { assert((j) < 8); if (k < (j)) _NEEDBITS }
+
+/* set bits */
+#define SETBITS(j,x) { b |= ((lzo_uint32_t)(x)) << k; k += (j); assert(k <= 32); }
+
+/* access bits */
+#define MASKBITS(j) (b & ((((lzo_uint32_t)1 << (j)) - 1)))
+
+/* drop bits */
+#define DUMPBITS(j) { assert(k >= j); b >>= (j); k -= (j); }
+
+
+
+#endif /* already included */
+
+/*
+vi:ts=4:et
+*/
+