From: Nathan Moinvaziri <nathan@solidstatenetworks.com>
Date: Tue, 26 Jan 2021 00:47:37 +0000 (-0800)
Subject: Remove debug check for match beginning at start of window.
X-Git-Tag: v2.0.0-RC2~5
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b174bc9f92a7563383e20fefca8538f2ab2d44cb;p=thirdparty%2Fzlib-ng.git

Remove debug check for match beginning at start of window.
---

diff --git a/deflate.c b/deflate.c
index 4f781ab2..1707f75c 100644
--- a/deflate.c
+++ b/deflate.c
@@ -1201,10 +1201,8 @@ void check_match(deflate_state *s, Pos start, Pos match, int length) {
         fprintf(stderr, " start %u, match %u, length %d\n", start, match, length);
         z_error("invalid match length");
     }
-    /* check that the match isn't at the beginning of the window and that it isn't at
-     * the same position as the start string
-     */
-    if (match == 0 || match == start) {
+    /* check that the match isn't at the same position as the start string */
+    if (match == start) {
         fprintf(stderr, " start %u, match %u, length %d\n", start, match, length);
         z_error("invalid match position");
     }