Imported Upstream version 2.03upstream/2.03

1 files changed, 155 insertions, 0 deletions

diff --git a/src/lzo1_d.ch b/src/lzo1_d.ch
new file mode 100644
index 0000000..c1dad39
--- /dev/null
+++ b/src/lzo1_d.ch
@@ -0,0 +1,155 @@
+/* lzo1_d.ch -- common decompression stuff
+
+   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/
+ */
+
+
+
+#if defined(LZO_TEST_OVERRUN)
+#  if !defined(LZO_TEST_OVERRUN_INPUT)
+#    define LZO_TEST_OVERRUN_INPUT       2
+#  endif
+#  if !defined(LZO_TEST_OVERRUN_OUTPUT)
+#    define LZO_TEST_OVERRUN_OUTPUT      2
+#  endif
+#  if !defined(LZO_TEST_OVERRUN_LOOKBEHIND)
+#    define LZO_TEST_OVERRUN_LOOKBEHIND
+#  endif
+#endif
+
+
+/***********************************************************************
+// Overrun detection is internally handled by these macros:
+//
+//   TEST_IP    test input overrun at loop begin
+//   NEED_IP    test input overrun at every input byte
+//
+//   TEST_OP    test output overrun at loop begin
+//   NEED_OP    test output overrun at every output byte
+//
+//   TEST_LB    test match postion
+//
+// The fastest decompressor results when testing for no overruns
+// and using LZO_EOF_CODE.
+************************************************************************/
+
+#undef TEST_IP
+#undef TEST_OP
+#undef TEST_LB
+#undef TEST_LBO
+#undef NEED_IP
+#undef NEED_OP
+#undef HAVE_TEST_IP
+#undef HAVE_TEST_OP
+#undef HAVE_NEED_IP
+#undef HAVE_NEED_OP
+#undef HAVE_ANY_IP
+#undef HAVE_ANY_OP
+
+
+#if defined(LZO_TEST_OVERRUN_INPUT)
+#  if (LZO_TEST_OVERRUN_INPUT >= 1)
+#    define TEST_IP             (ip < ip_end)
+#  endif
+#  if (LZO_TEST_OVERRUN_INPUT >= 2)
+#    define NEED_IP(x) \
+            if ((lzo_uint)(ip_end - ip) < (lzo_uint)(x))  goto input_overrun
+#  endif
+#endif
+
+#if defined(LZO_TEST_OVERRUN_OUTPUT)
+#  if (LZO_TEST_OVERRUN_OUTPUT >= 1)
+#    define TEST_OP             (op <= op_end)
+#  endif
+#  if (LZO_TEST_OVERRUN_OUTPUT >= 2)
+#    undef TEST_OP              /* don't need both of the tests here */
+#    define NEED_OP(x) \
+            if ((lzo_uint)(op_end - op) < (lzo_uint)(x))  goto output_overrun
+#  endif
+#endif
+
+#if defined(LZO_TEST_OVERRUN_LOOKBEHIND)
+#  define TEST_LB(m_pos)        if (m_pos < out || m_pos >= op) goto lookbehind_overrun
+#  define TEST_LBO(m_pos,o)     if (m_pos < out || m_pos >= op - (o)) goto lookbehind_overrun
+#else
+#  define TEST_LB(m_pos)        ((void) 0)
+#  define TEST_LBO(m_pos,o)     ((void) 0)
+#endif
+
+
+#if !defined(LZO_EOF_CODE) && !defined(TEST_IP)
+   /* if we have no EOF code, we have to test for the end of the input */
+#  define TEST_IP               (ip < ip_end)
+#endif
+
+
+#if defined(TEST_IP)
+#  define HAVE_TEST_IP
+#else
+#  define TEST_IP               1
+#endif
+#if defined(TEST_OP)
+#  define HAVE_TEST_OP
+#else
+#  define TEST_OP               1
+#endif
+
+#if defined(NEED_IP)
+#  define HAVE_NEED_IP
+#else
+#  define NEED_IP(x)            ((void) 0)
+#endif
+#if defined(NEED_OP)
+#  define HAVE_NEED_OP
+#else
+#  define NEED_OP(x)            ((void) 0)
+#endif
+
+
+#if defined(HAVE_TEST_IP) || defined(HAVE_NEED_IP)
+#  define HAVE_ANY_IP
+#endif
+#if defined(HAVE_TEST_OP) || defined(HAVE_NEED_OP)
+#  define HAVE_ANY_OP
+#endif
+
+
+
+/*
+vi:ts=4:et
+*/
+