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-rw-r--r--cpukit/zlib/deflate.h17
1 files changed, 14 insertions, 3 deletions
diff --git a/cpukit/zlib/deflate.h b/cpukit/zlib/deflate.h
index 05a5ab3a2c..f53deba852 100644
--- a/cpukit/zlib/deflate.h
+++ b/cpukit/zlib/deflate.h
@@ -1,5 +1,5 @@
/* deflate.h -- internal compression state
- * Copyright (C) 1995-2004 Jean-loup Gailly
+ * Copyright (C) 1995-2009 Jean-loup Gailly
* For conditions of distribution and use, see copyright notice in zlib.h
*/
@@ -260,6 +260,13 @@ typedef struct internal_state {
* are always zero.
*/
+ ulg high_water;
+ /* High water mark offset in window for initialized bytes -- bytes above
+ * this are set to zero in order to avoid memory check warnings when
+ * longest match routines access bytes past the input. This is then
+ * updated to the new high water mark.
+ */
+
} FAR deflate_state;
/* Output a byte on the stream.
@@ -278,14 +285,18 @@ typedef struct internal_state {
* distances are limited to MAX_DIST instead of WSIZE.
*/
+#define WIN_INIT MAX_MATCH
+/* Number of bytes after end of data in window to initialize in order to avoid
+ memory checker errors from longest match routines */
+
/* in trees.c */
void _tr_init OF((deflate_state *s));
int _tr_tally OF((deflate_state *s, unsigned dist, unsigned lc));
void _tr_flush_block OF((deflate_state *s, charf *buf, ulg stored_len,
- int eof));
+ int last));
void _tr_align OF((deflate_state *s));
void _tr_stored_block OF((deflate_state *s, charf *buf, ulg stored_len,
- int eof));
+ int last));
#define d_code(dist) \
((dist) < 256 ? _dist_code[dist] : _dist_code[256+((dist)>>7)])