From: cielavenir <cielartisan@gmail.com>
Date: Fri, 16 Aug 2019 16:59:38 +0000 (+0900)
Subject: try to consume available data if Z_FINISH is used
X-Git-Tag: 1.9.9-b1~452
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2a3c5728de1a8fc21add5d7c36f3a48cb1010f16;p=thirdparty%2Fzlib-ng.git

try to consume available data if Z_FINISH is used
---

diff --git a/arch/x86/deflate_quick.c b/arch/x86/deflate_quick.c
index 0c519692..199ec734 100644
--- a/arch/x86/deflate_quick.c
+++ b/arch/x86/deflate_quick.c
@@ -230,7 +230,9 @@ ZLIB_INTERNAL block_state deflate_quick(deflate_state *s, int flush) {
     do {
         if (s->pending + 4 >= s->pending_buf_size) {
             flush_pending(s->strm);
-            return need_more;
+            if (flush != Z_FINISH) {
+                return need_more;
+            }
         }
 
         if (s->lookahead < MIN_LOOKAHEAD) {