From: Nathan Moinvaziri <nathan@nathanm.com>
Date: Sun, 13 Jun 2021 21:59:32 +0000 (-0700)
Subject: Use STD_MIN_MATCH instead of WANT_MIN_MATCH in deflate_slow for fast-zlib.
X-Git-Tag: 2.1.0-beta1~550
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=823a61bc972b1c08267b752a84dd959160c9f73d;p=thirdparty%2Fzlib-ng.git

Use STD_MIN_MATCH instead of WANT_MIN_MATCH in deflate_slow for fast-zlib.
---

diff --git a/deflate_slow.c b/deflate_slow.c
index 0cb40f5ca..a3af11bcf 100644
--- a/deflate_slow.c
+++ b/deflate_slow.c
@@ -68,8 +68,8 @@ Z_INTERNAL block_state deflate_slow(deflate_state *s, int flush) {
         /* If there was a match at the previous step and the current
          * match is not better, output the previous match:
          */
-        if (s->prev_length >= WANT_MIN_MATCH && match_len <= s->prev_length) {
-            unsigned int max_insert = s->strstart + s->lookahead - WANT_MIN_MATCH;
+        if (s->prev_length >= STD_MIN_MATCH && match_len <= s->prev_length) {
+            unsigned int max_insert = s->strstart + s->lookahead - STD_MIN_MATCH;
             /* Do not insert strings in hash table beyond this. */
 
             check_match(s, s->strstart-1, s->prev_match, s->prev_length);