From: Hans Kristian Rosbach <hk-git@circlestorm.org>
Date: Tue, 11 May 2021 11:56:35 +0000 (+0200)
Subject: Initialize s->prev_length to 0.
X-Git-Tag: 2.1.0-beta1~573
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d7cac887af1f15833590ed8eb1de4eceb849249f;p=thirdparty%2Fzlib-ng.git

Initialize s->prev_length to 0.
---

diff --git a/deflate.c b/deflate.c
index 87ab64629..695822ec3 100644
--- a/deflate.c
+++ b/deflate.c
@@ -443,7 +443,7 @@ int32_t Z_EXPORT PREFIX(deflateSetDictionary)(PREFIX3(stream) *strm, const uint8
     s->block_start = (int)s->strstart;
     s->insert = s->lookahead;
     s->lookahead = 0;
-    s->prev_length = STD_MIN_MATCH - 1;
+    s->prev_length = 0;
     s->match_available = 0;
     strm->next_in = (z_const unsigned char *)next;
     strm->avail_in = avail;
@@ -1160,7 +1160,7 @@ static void lm_init(deflate_state *s) {
     s->block_start = 0;
     s->lookahead = 0;
     s->insert = 0;
-    s->prev_length = STD_MIN_MATCH - 1;
+    s->prev_length = 0;
     s->match_available = 0;
     s->match_start = 0;
 }