src/third_party/zlib/patches/0002-uninitializedcheck.patch

From 1a03e7aec95d89c659fd91f195b99893b6458cd7 Mon Sep 17 00:00:00 2001
From: Adenilson Cavalcanti <adenilson.cavalcanti@arm.com>
Date: Wed, 27 Sep 2017 13:59:04 -0700
Subject: [PATCH] Zlib patch: prevent uninitialized use of state->check

No need to call the Adler32 checksum function, just set
the struct field to the expected value.

Upstream bug: madler/zlib#245
---
 third_party/zlib/inflate.c                             |  2 +-
 1 files changed, 1 insertion(+), 1 deletions(-)
 delete mode 100644 third_party/zlib/patches/0002-uninitializedcheck.patch

diff --git a/third_party/zlib/inflate.c b/third_party/zlib/inflate.c
index bec9497..5c40cf1 100644
--- a/third_party/zlib/inflate.c
+++ b/third_party/zlib/inflate.c
@@ -228,7 +228,7 @@ int stream_size;
     state->strm = strm;
     state->window = Z_NULL;
     state->mode = HEAD;     /* to pass state test in inflateReset2() */
-    state->check = adler32(0L, Z_NULL, 0);
+    state->check = 1L;      /* 1L is the result of adler32() zero length data */
     ret = inflateReset2(strm, windowBits);
     if (ret != Z_OK) {
         ZFREE(strm, state);