From: Nathan Moinvaziri <nathan@nathanm.com>
Date: Tue, 25 Feb 2020 13:38:33 +0000 (-0800)
Subject: Allow deflate_quick() to continue processing input data after flushing pending buffer.
X-Git-Tag: 1.9.9-b1~316
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=343596fc98a0d7a6283dbe5d25abefca18439184;p=thirdparty%2Fzlib-ng.git

Allow deflate_quick() to continue processing input data after flushing pending buffer.
---

diff --git a/arch/x86/deflate_quick.c b/arch/x86/deflate_quick.c
index a8d15bb4d..5cbc653df 100644
--- a/arch/x86/deflate_quick.c
+++ b/arch/x86/deflate_quick.c
@@ -203,7 +203,7 @@ ZLIB_INTERNAL block_state deflate_quick(deflate_state *s, int flush) {
     do {
         if (s->pending + 4 >= s->pending_buf_size) {
             flush_pending(s->strm);
-            if (flush != Z_FINISH) {
+            if (s->strm->avail_in == 0 && flush != Z_FINISH) {
                 return need_more;
             }
         }