From 32d74a224735b56f8e28e3bff63f330c33ad25dd Mon Sep 17 00:00:00 2001
From: Sven Hesse
Date: Sat, 25 Jul 2009 18:44:24 +0000
Subject: Adding more sanity checks to Vmd::renderFrame()

svn-id: r42783
---
 graphics/video/coktelvideo/coktelvideo.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'graphics/video/coktelvideo/coktelvideo.cpp')

diff --git a/graphics/video/coktelvideo/coktelvideo.cpp b/graphics/video/coktelvideo/coktelvideo.cpp
index e811448af2..622d68d98e 100644
--- a/graphics/video/coktelvideo/coktelvideo.cpp
+++ b/graphics/video/coktelvideo/coktelvideo.cpp
@@ -1718,7 +1718,9 @@ uint32 Vmd::renderFrame(int16 &left, int16 &top, int16 &right, int16 &bottom) {
 	byte *imdVidMem = _vidMem + sW * top + left;
 	byte *srcPtr;
 
-	if ((width < 0) || (height < 0))
+	if ((left < 0) || (top < 0) || (right < 0) || (bottom < 0))
+		return 1;
+	if ((width <= 0) || (height <= 0))
 		return 1;
 
 	uint8 type;
-- 
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