From: Nathan Moinvaziri <nathan@nathanm.com>
Date: Sun, 29 Mar 2020 19:03:58 +0000 (-0700)
Subject: Fixed signed/unsigned mismatch in deflate_medium in MSVC.
X-Git-Tag: 1.9.9-b1~331
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c3c9ab51cb6274ad5cdd1d48c31fe047a72f7d57;p=thirdparty%2Fzlib-ng.git

Fixed signed/unsigned mismatch in deflate_medium in MSVC.
---

diff --git a/deflate_medium.c b/deflate_medium.c
index 07ce71fe3..43fb0bfcf 100644
--- a/deflate_medium.c
+++ b/deflate_medium.c
@@ -261,7 +261,7 @@ ZLIB_INTERNAL block_state deflate_medium(deflate_state *s, int flush) {
         insert_match(s, current_match);
 
         /* now, look ahead one */
-        if (s->lookahead > MIN_LOOKAHEAD && (current_match.strstart + current_match.match_length) < (s->window_size - MIN_LOOKAHEAD)) {
+        if (s->lookahead > MIN_LOOKAHEAD && (uint32_t)(current_match.strstart + current_match.match_length) < (s->window_size - MIN_LOOKAHEAD)) {
             s->strstart = current_match.strstart + current_match.match_length;
             hash_head = functable.insert_string(s, s->strstart, 1);