Update to zlib 1.2.4 and add versioned symbols to the

library.

Sponsored by:	iXsystems, Inc.

1 files changed, 14 insertions, 3 deletions

diff --git a/lib/libz/deflate.h b/lib/libz/deflate.h
index 05a5ab3..f53deba 100644
--- a/lib/libz/deflate.h
+++ b/lib/libz/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)])