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authoraxis <qt-info@nokia.com>2011-04-07 09:08:53 (GMT)
committeraxis <qt-info@nokia.com>2011-04-07 09:08:53 (GMT)
commitd54b3f04fa629fe031f1083073eef0145f0d6b1e (patch)
tree2a06736f812c478bdb21aa3781078fe88b5532fa /src/3rdparty/zlib/inftrees.h
parent258c1a8537816f7b4c79e7cf4090a333768a10fa (diff)
parent8031eada2f81963865390b4d899631b09d4ca6f3 (diff)
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Merge branch 'master' of scm.dev.nokia.troll.no:qt/qt into earth-master
Conflicts: src/corelib/thread/qthread_unix.cpp
Diffstat (limited to 'src/3rdparty/zlib/inftrees.h')
-rw-r--r--src/3rdparty/zlib/inftrees.h27
1 files changed, 17 insertions, 10 deletions
diff --git a/src/3rdparty/zlib/inftrees.h b/src/3rdparty/zlib/inftrees.h
index b1104c8..baa53a0 100644
--- a/src/3rdparty/zlib/inftrees.h
+++ b/src/3rdparty/zlib/inftrees.h
@@ -1,5 +1,5 @@
/* inftrees.h -- header to use inftrees.c
- * Copyright (C) 1995-2005 Mark Adler
+ * Copyright (C) 1995-2005, 2010 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/
@@ -35,21 +35,28 @@ typedef struct {
01000000 - invalid code
*/
-/* Maximum size of dynamic tree. The maximum found in a long but non-
- exhaustive search was 1444 code structures (852 for length/literals
- and 592 for distances, the latter actually the result of an
- exhaustive search). The true maximum is not known, but the value
- below is more than safe. */
-#define ENOUGH 2048
-#define MAXD 592
+/* Maximum size of the dynamic table. The maximum number of code structures is
+ 1444, which is the sum of 852 for literal/length codes and 592 for distance
+ codes. These values were found by exhaustive searches using the program
+ examples/enough.c found in the zlib distribtution. The arguments to that
+ program are the number of symbols, the initial root table size, and the
+ maximum bit length of a code. "enough 286 9 15" for literal/length codes
+ returns returns 852, and "enough 30 6 15" for distance codes returns 592.
+ The initial root table size (9 or 6) is found in the fifth argument of the
+ inflate_table() calls in inflate.c and infback.c. If the root table size is
+ changed, then these maximum sizes would be need to be recalculated and
+ updated. */
+#define ENOUGH_LENS 852
+#define ENOUGH_DISTS 592
+#define ENOUGH (ENOUGH_LENS+ENOUGH_DISTS)
-/* Type of code to build for inftable() */
+/* Type of code to build for inflate_table() */
typedef enum {
CODES,
LENS,
DISTS
} codetype;
-extern int inflate_table OF((codetype type, unsigned short FAR *lens,
+int ZLIB_INTERNAL inflate_table OF((codetype type, unsigned short FAR *lens,
unsigned codes, code FAR * FAR *table,
unsigned FAR *bits, unsigned short FAR *work));