From 641fbb5e89d19620b0c135ea5ed8f4a9a6620ef0 Mon Sep 17 00:00:00 2001
From: Pascal Massimino <pascal.massimino@gmail.com>
Date: Mon, 9 Jul 2018 17:33:44 -0700
Subject: [PATCH] fix endian problems in pattern copy

CopyBlock8b() was over-using memcpy() of 16b values.

BUG=webp:393,webp:512

Change-Id: Id56f10d334b9a453fbcf50dabfaa63529bcff7e5
(cherry picked from commit 211f37ee633aa31c37160c84cc9b868c10fbe8b9)
(cherry picked from commit 667d17a8a403e0768cccf585455cf12807cd1604)
---
 src/dec/vp8l_dec.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/dec/vp8l_dec.c b/src/dec/vp8l_dec.c
index 42ea3b5e..39967d55 100644
--- a/src/dec/vp8l_dec.c
+++ b/src/dec/vp8l_dec.c
@@ -884,7 +884,11 @@ static WEBP_INLINE void CopyBlock8b(uint8_t* const dst, int dist, int length) {
 #endif
         break;
       case 2:
+#if !defined(WORDS_BIGENDIAN)
         memcpy(&pattern, src, sizeof(uint16_t));
+#else
+        pattern = ((uint32_t)src[0] << 8) | src[1];
+#endif
 #if defined(__arm__) || defined(_M_ARM)
         pattern |= pattern << 16;
 #elif defined(WEBP_USE_MIPS_DSP_R2)