From: Mathieu Malaterre <mathieu.malaterre@gmail.com>
Date: Sat, 10 Oct 2015 16:38:08 +0000 (+0200)
Subject: Add paranoid sentinels
X-Git-Tag: v2.1.1~22^2~25^2~7
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=dc869c2985c8ee346089e61414899ae7aa2e00f5;p=openjpeg

Add paranoid sentinels
---

diff --git a/src/lib/openjp2/mct.c b/src/lib/openjp2/mct.c
index 8b0276f3..9bb01da4 100644
--- a/src/lib/openjp2/mct.c
+++ b/src/lib/openjp2/mct.c
@@ -81,6 +81,10 @@ void opj_mct_encode(
 {
 	OPJ_SIZE_T i;
 	const OPJ_SIZE_T len = n;
+	/* buffer are aligned on 16 bytes */
+	assert( (uintptr_t)c0 & 16 == 0 );
+	assert( (uintptr_t)c1 & 16 == 0 );
+	assert( (uintptr_t)c2 & 16 == 0 );
 	
 	for(i = 0; i < (len & ~3U); i += 4) {
 		__m128i y, u, v;