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authorKévin THIERRY <kevin.thierry@open.eurogiciel.org>2014-12-23 14:06:25 +0100
committerKévin THIERRY <kevin.thierry@open.eurogiciel.org>2014-12-23 14:06:25 +0100
commit79a9578a33ecd3093970bd18df677edc9214fafb (patch)
tree8ae5c6780a1fcd2124e71f27ad9b4256acd24268 /src/lzo1_d.ch
parent1bb1ce141783168d44a38cd1bb6b822eb13114fc (diff)
downloadlzo-79a9578a33ecd3093970bd18df677edc9214fafb.tar.gz
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Imported Upstream version 2.08upstream/2.08sandbox/kevinthierry/upstream
Diffstat (limited to 'src/lzo1_d.ch')
-rw-r--r--src/lzo1_d.ch51
1 files changed, 28 insertions, 23 deletions
diff --git a/src/lzo1_d.ch b/src/lzo1_d.ch
index c1dad39..e4dff04 100644
--- a/src/lzo1_d.ch
+++ b/src/lzo1_d.ch
@@ -2,19 +2,7 @@
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
+ Copyright (C) 1996-2014 Markus Franz Xaver Johannes Oberhumer
All Rights Reserved.
The LZO library is free software; you can redistribute it and/or
@@ -47,7 +35,7 @@
# define LZO_TEST_OVERRUN_OUTPUT 2
# endif
# if !defined(LZO_TEST_OVERRUN_LOOKBEHIND)
-# define LZO_TEST_OVERRUN_LOOKBEHIND
+# define LZO_TEST_OVERRUN_LOOKBEHIND 1
# endif
#endif
@@ -61,7 +49,7 @@
// TEST_OP test output overrun at loop begin
// NEED_OP test output overrun at every output byte
//
-// TEST_LB test match postion
+// TEST_LB test match position
//
// The fastest decompressor results when testing for no overruns
// and using LZO_EOF_CODE.
@@ -69,10 +57,13 @@
#undef TEST_IP
#undef TEST_OP
+#undef TEST_IP_AND_TEST_OP
#undef TEST_LB
#undef TEST_LBO
#undef NEED_IP
#undef NEED_OP
+#undef TEST_IV
+#undef TEST_OV
#undef HAVE_TEST_IP
#undef HAVE_TEST_OP
#undef HAVE_NEED_IP
@@ -88,6 +79,7 @@
# if (LZO_TEST_OVERRUN_INPUT >= 2)
# define NEED_IP(x) \
if ((lzo_uint)(ip_end - ip) < (lzo_uint)(x)) goto input_overrun
+# define TEST_IV(x) if ((x) > (lzo_uint)0 - (511)) goto input_overrun
# endif
#endif
@@ -99,12 +91,13 @@
# 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
+# define TEST_OV(x) if ((x) > (lzo_uint)0 - (511)) 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
+# define TEST_LB(m_pos) if (PTR_LT(m_pos,out) || PTR_GE(m_pos,op)) goto lookbehind_overrun
+# define TEST_LBO(m_pos,o) if (PTR_LT(m_pos,out) || PTR_GE(m_pos,op-(o))) goto lookbehind_overrun
#else
# define TEST_LB(m_pos) ((void) 0)
# define TEST_LBO(m_pos,o) ((void) 0)
@@ -118,33 +111,45 @@
#if defined(TEST_IP)
-# define HAVE_TEST_IP
+# define HAVE_TEST_IP 1
#else
# define TEST_IP 1
#endif
#if defined(TEST_OP)
-# define HAVE_TEST_OP
+# define HAVE_TEST_OP 1
#else
# define TEST_OP 1
#endif
+#if defined(HAVE_TEST_IP) && defined(HAVE_TEST_OP)
+# define TEST_IP_AND_TEST_OP (TEST_IP && TEST_OP)
+#elif defined(HAVE_TEST_IP)
+# define TEST_IP_AND_TEST_OP TEST_IP
+#elif defined(HAVE_TEST_OP)
+# define TEST_IP_AND_TEST_OP TEST_OP
+#else
+# define TEST_IP_AND_TEST_OP 1
+#endif
+
#if defined(NEED_IP)
-# define HAVE_NEED_IP
+# define HAVE_NEED_IP 1
#else
# define NEED_IP(x) ((void) 0)
+# define TEST_IV(x) ((void) 0)
#endif
#if defined(NEED_OP)
-# define HAVE_NEED_OP
+# define HAVE_NEED_OP 1
#else
# define NEED_OP(x) ((void) 0)
+# define TEST_OV(x) ((void) 0)
#endif
#if defined(HAVE_TEST_IP) || defined(HAVE_NEED_IP)
-# define HAVE_ANY_IP
+# define HAVE_ANY_IP 1
#endif
#if defined(HAVE_TEST_OP) || defined(HAVE_NEED_OP)
-# define HAVE_ANY_OP
+# define HAVE_ANY_OP 1
#endif