From 5375a2a048a5cbc5448ebd731927c9b843e7a571 Mon Sep 17 00:00:00 2001
From: Eugene Sandulenko
Date: Thu, 26 Dec 2019 17:03:44 +0100
Subject: COMMON: Add sanity check to MacResMan

---
 common/macresman.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/common/macresman.cpp b/common/macresman.cpp
index ac78ea0bd0..29d3ddef99 100644
--- a/common/macresman.cpp
+++ b/common/macresman.cpp
@@ -376,7 +376,8 @@ bool MacResManager::isMacBinary(SeekableReadStream &stream) {
 	byte infoHeader[MBI_INFOHDR];
 	int resForkOffset = -1;
 
-	stream.read(infoHeader, MBI_INFOHDR);
+	if (stream.read(infoHeader, MBI_INFOHDR) != MBI_INFOHDR)
+		return false;
 
 	if (infoHeader[MBI_ZERO1] == 0 && infoHeader[MBI_ZERO2] == 0 &&
 		infoHeader[MBI_ZERO3] == 0 && infoHeader[MBI_NAMELEN] <= MAXNAMELEN) {
-- 
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