Initial import

1 files changed, 344 insertions, 0 deletions

diff --git a/lzo/src/lzo1b_de.h b/lzo/src/lzo1b_de.h
new file mode 100644
index 00000000..badba73e
--- /dev/null
+++ b/lzo/src/lzo1b_de.h
@@ -0,0 +1,344 @@
+/* lzo1b_de.h -- definitions for the the LZO1B/LZO1C algorithm
+
+   This file is part of the LZO real-time data compression library.
+
+   Copyright (C) 2008 Markus Franz Xaver Johannes Oberhumer
+   Copyright (C) 2007 Markus Franz Xaver Johannes Oberhumer
+   Copyright (C) 2006 Markus Franz Xaver Johannes Oberhumer
+   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 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_DEFS_H
+#define __LZO_DEFS_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+/***********************************************************************
+//
+************************************************************************/
+
+/*
+     Format of the marker byte
+
+     76543210
+     --------
+     00000000   R0 - a long literal run ('R0' run)
+     000rrrrr   R  - a short literal run with len r
+     00100000   M4 - a very long match
+     001mmmmm   M3 - a long match  (len = m+M3_MIN_LEN)
+     mmmooooo   M2 - a short match (len = m+M2_MIN_LEN, o = offset low bits)
+
+                M1 is not used !
+*/
+
+
+#ifndef R_BITS
+#define R_BITS              (5)
+#endif
+
+
+#ifndef M1L_BITS
+#define M1L_BITS            (0)
+#endif
+#ifndef M2L_BITS
+#define M2L_BITS            (CHAR_BIT - M2O_BITS)
+#endif
+#ifndef M3L_BITS
+#define M3L_BITS            (R_BITS)
+#endif
+#ifndef M4L_BITS
+#define M4L_BITS            (CHAR_BIT)
+#endif
+
+#ifndef M1O_BITS
+#define M1O_BITS            (6)
+#endif
+#ifndef M2O_BITS
+#define M2O_BITS            (R_BITS)
+#endif
+#ifndef M3O_BITS
+#define M3O_BITS            (CHAR_BIT)
+#endif
+#ifndef M4O_BITS
+#define M4O_BITS            (M3O_BITS)              /* must be the same */
+#endif
+
+#ifndef M1X_BITS
+#define M1X_BITS            (M1O_BITS)
+#endif
+#ifndef M2X_BITS
+#define M2X_BITS            (M2O_BITS + CHAR_BIT)
+#endif
+#ifndef M3X_BITS
+#define M3X_BITS            (M3O_BITS + CHAR_BIT)
+#endif
+#ifndef M4X_BITS
+#define M4X_BITS            M3X_BITS
+#endif
+
+
+#define __MIN_OFFSET(bits)  1
+#define __MAX_OFFSET(bits)  LZO_LSIZE(bits)
+
+#define M1_MIN_OFFSET       __MIN_OFFSET(M1X_BITS)
+#define M2_MIN_OFFSET       __MIN_OFFSET(M2X_BITS)
+#define M3_MIN_OFFSET       __MIN_OFFSET(M3X_BITS)
+#define M4_MIN_OFFSET       M3_MIN_OFFSET
+
+#if defined(LZO_EOF_CODE) && !defined(M3_EOF_OFFSET)
+#define M3_EOF_OFFSET       1
+#else
+#define M3_EOF_OFFSET       0
+#endif
+
+#ifndef _M1_MAX_OFFSET
+#define _M1_MAX_OFFSET      __MAX_OFFSET(M1X_BITS)
+#endif
+#ifndef _M2_MAX_OFFSET
+#define _M2_MAX_OFFSET      __MAX_OFFSET(M2X_BITS)
+#endif
+#ifndef _M3_MAX_OFFSET
+#define _M3_MAX_OFFSET      (__MAX_OFFSET(M3X_BITS) - M3_EOF_OFFSET)
+#endif
+#ifndef _M4_MAX_OFFSET
+#define _M4_MAX_OFFSET      _M3_MAX_OFFSET
+#endif
+#ifndef _MAX_OFFSET
+#define _MAX_OFFSET         _M4_MAX_OFFSET
+#endif
+
+#if (M3_EOF_OFFSET > 0) && (_M2_MAX_OFFSET == _M3_MAX_OFFSET + M3_EOF_OFFSET)
+#  undef _M2_MAX_OFFSET
+#  define _M2_MAX_OFFSET    _M3_MAX_OFFSET
+#endif
+#if (_M2_MAX_OFFSET > _M3_MAX_OFFSET)
+#  error
+#endif
+
+#define M1_MAX_OFFSET       ((lzo_uint) _M1_MAX_OFFSET)
+#define M2_MAX_OFFSET       ((lzo_uint) _M2_MAX_OFFSET)
+#define M3_MAX_OFFSET       ((lzo_uint) _M3_MAX_OFFSET)
+#define M4_MAX_OFFSET       ((lzo_uint) _M4_MAX_OFFSET)
+#define MAX_OFFSET          ((lzo_uint) _MAX_OFFSET)
+
+
+#ifndef M1_MIN_LEN
+#define M1_MIN_LEN          (2)
+#endif
+#ifndef M2_MIN_LEN
+#define M2_MIN_LEN          (3)
+#endif
+#ifndef M3_MIN_LEN
+#if (M3X_BITS == M2X_BITS)
+#define M3_MIN_LEN          (M2_MAX_LEN + 1)
+#else
+#define M3_MIN_LEN          (4)
+#endif
+#endif
+#ifndef M4_MIN_LEN
+#define M4_MIN_LEN          (M3_MAX_LEN + 1)
+#endif
+
+#ifndef M1_MAX_LEN
+#define M1_MAX_LEN          (M1_MIN_LEN + LZO_SIZE(M1L_BITS) - 1)
+#endif
+#ifndef M2_MAX_LEN
+#define M2_MAX_LEN          (M2_MIN_LEN + LZO_SIZE(M2L_BITS) - 3)
+#endif
+#ifndef M3_MAX_LEN
+#define M3_MAX_LEN          (M3_MIN_LEN + LZO_SIZE(M3L_BITS) - 2)
+#endif
+#ifndef M4_MAX_LEN
+#define M4_MAX_LEN          (ULONG_MAX)
+#endif
+
+
+#define M1O_MASK            LZO_MASK(M1O_BITS)
+#define M1L_MASK            LZO_MASK(M1L_BITS)
+#define M2O_MASK            LZO_MASK(M2O_BITS)
+#define M2L_MASK            LZO_MASK(M2L_BITS)
+#define M3O_MASK            LZO_MASK(M3O_BITS)
+#define M3L_MASK            LZO_MASK(M3L_BITS)
+#define M4O_MASK            LZO_MASK(M4O_BITS)
+#define M4L_MASK            LZO_MASK(M4L_BITS)
+
+
+#define M1_MARKER           (1 << M1O_BITS)
+#define M2_MARKER           (2 << M2O_BITS)
+#define M3_MARKER           (1 << M3L_BITS)
+#define M4_MARKER           M3_MARKER
+
+
+/***********************************************************************
+// R0 literal run (a long run)
+************************************************************************/
+
+#ifndef R0MIN
+#define R0MIN   (LZO_SIZE(R_BITS))  /* Minimum len of R0 run of literals */
+#endif
+#define R0MAX   (R0MIN + 256 - 1)   /* Maximum len of R0 run of literals */
+
+#if (R0MAX - (R0MAX & ~7u) >= 7)
+#define R0FAST  (R0MAX & ~7u)       /* R0MAX aligned to 8 byte boundary */
+#else
+#define R0FAST  (R0MAX & ~15u)      /* R0MAX aligned to 8 byte boundary */
+#endif
+
+#if (R0MAX - R0FAST < 7) || ((R0FAST & 7) != 0)
+#  error "something went wrong"
+#endif
+#if (R0FAST * 2 < 512)
+#  error "R0FAST is not big enough"
+#endif
+
+/* 7 special codes from R0FAST+1 .. R0MAX
+ * these codes mean long R0 runs with lengths
+ * 512, 1024, 2048, 4096, 8192, 16384, 32768
+ */
+
+
+
+/***********************************************************************
+// matching
+************************************************************************/
+
+#define PS  *m_pos++ != *ip++
+
+
+/* We already matched M2_MIN_LEN bytes.
+ * Try to match another M2_MAX_LEN - M2_MIN_LEN bytes. */
+
+#if (M2_MAX_LEN - M2_MIN_LEN == 4)
+#  define MATCH_M2X     (PS || PS || PS || PS)
+#elif (M2_MAX_LEN - M2_MIN_LEN == 5)
+#  define MATCH_M2X     (PS || PS || PS || PS || PS)
+#elif (M2_MAX_LEN - M2_MIN_LEN == 6)
+#  define MATCH_M2X     (PS || PS || PS || PS || PS || PS)
+#elif (M2_MAX_LEN - M2_MIN_LEN == 7)
+#  define MATCH_M2X     (PS || PS || PS || PS || PS || PS || PS)
+#elif (M2_MAX_LEN - M2_MIN_LEN == 13)
+#  define MATCH_M2X     (PS || PS || PS || PS || PS || PS || PS || PS || \
+                         PS || PS || PS || PS || PS)
+#elif (M2_MAX_LEN - M2_MIN_LEN == 14)
+#  define MATCH_M2X     (PS || PS || PS || PS || PS || PS || PS || PS || \
+                         PS || PS || PS || PS || PS || PS)
+#elif (M2_MAX_LEN - M2_MIN_LEN == 16)
+#  define MATCH_M2X     (PS || PS || PS || PS || PS || PS || PS || PS || \
+                         PS || PS || PS || PS || PS || PS || PS || PS)
+#elif (M2_MAX_LEN - M2_MIN_LEN == 29)
+#  define MATCH_M2X     (PS || PS || PS || PS || PS || PS || PS || PS || \
+                         PS || PS || PS || PS || PS || PS || PS || PS || \
+                         PS || PS || PS || PS || PS || PS || PS || PS || \
+                         PS || PS || PS || PS || PS)
+#else
+#  error "MATCH_M2X not yet implemented"
+#endif
+
+
+/* We already matched M2_MIN_LEN bytes.
+ * Try to match another M2_MAX_LEN + 1 - M2_MIN_LEN bytes
+ * to see if we get more than a M2 match */
+
+#define MATCH_M2        (MATCH_M2X || PS)
+
+
+/***********************************************************************
+// copying
+************************************************************************/
+
+#define _CP             *op++ = *m_pos++
+
+#if (M2_MIN_LEN == 2)
+#  define COPY_M2X      _CP
+#elif (M2_MIN_LEN == 3)
+#  define COPY_M2X      _CP; _CP
+#elif (M2_MIN_LEN == 4)
+#  define COPY_M2X      _CP; _CP; _CP
+#else
+#  error "COPY_M2X not yet implemented"
+#endif
+
+#if (M3_MIN_LEN == 3)
+#  define COPY_M3X      _CP; _CP
+#elif (M3_MIN_LEN == 4)
+#  define COPY_M3X      _CP; _CP; _CP
+#elif (M3_MIN_LEN == 9)
+#  define COPY_M3X      _CP; _CP; _CP; _CP; _CP; _CP; _CP; _CP
+#else
+#  error "COPY_M3X not yet implemented"
+#endif
+
+#define COPY_M2         COPY_M2X; *op++ = *m_pos++
+#define COPY_M3         COPY_M3X; *op++ = *m_pos++
+
+
+/***********************************************************************
+//
+************************************************************************/
+
+#if defined(LZO_NEED_DICT_H)
+
+#define DL_MIN_LEN          M2_MIN_LEN
+#define D_INDEX1(d,p)       d = DM(DMUL(0x21,DX3(p,5,5,6)) >> 5)
+#define D_INDEX2(d,p)       d = (d & (D_MASK & 0x7ff)) ^ (D_HIGH | 0x1f)
+#include "lzo_dict.h"
+
+#ifndef MIN_LOOKAHEAD
+#define MIN_LOOKAHEAD       (M2_MAX_LEN + 1)
+#endif
+#ifndef MAX_LOOKBEHIND
+#define MAX_LOOKBEHIND      (MAX_OFFSET)
+#endif
+
+#endif /* defined(LZO_NEED_DICT_H) */
+
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* already included */
+
+/*
+vi:ts=4:et
+*/
+