From: Nathan Kidd <nkidd@opentext.com>
Date: Thu, 22 May 2014 18:20:44 +0000 (-0400)
Subject: deflate: avoid use of uninitialized variable
X-Git-Tag: v1.2.8-jtkv4~3
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=86694e8231bede02a56fcf7f4888fd221e018fed;p=thirdparty%2Fzlib-ng.git

deflate: avoid use of uninitialized variable

(Note emit_match() doesn't currently use the value at all.)

Fixes #4
---

diff --git a/deflate_medium.c b/deflate_medium.c
index ce6bd97d8..4beada8d8 100644
--- a/deflate_medium.c
+++ b/deflate_medium.c
@@ -174,7 +174,7 @@ block_state deflate_medium(deflate_state *s, int flush)
     memset(&next_match, 0, sizeof(struct match));
 
     for (;;) {
-        IPos hash_head;       /* head of the hash chain */
+        IPos hash_head = 0;   /* head of the hash chain */
         int bflush;           /* set if current block must be flushed */
         
         /* Make sure that we always have enough lookahead, except