From 79926b305cada849e7881b4d10b8dc1ea8ad522a Mon Sep 17 00:00:00 2001
From: Filippos Karapetis
Date: Sat, 26 May 2012 16:23:03 +0300
Subject: SCI: Bugfix for kFileIOReadRaw

Avoid overwriting the target buffer with junk when no data has been read
---
 engines/sci/engine/kfile.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'engines/sci')

diff --git a/engines/sci/engine/kfile.cpp b/engines/sci/engine/kfile.cpp
index af438bdaff..b1f85227c1 100644
--- a/engines/sci/engine/kfile.cpp
+++ b/engines/sci/engine/kfile.cpp
@@ -812,7 +812,8 @@ reg_t kFileIOReadRaw(EngineState *s, int argc, reg_t *argv) {
 	FileHandle *f = getFileFromHandle(s, handle);
 	if (f) {
 		bytesRead = f->_in->read(buf, size);
-		s->_segMan->memcpy(argv[1], (const byte*)buf, size);
+		if (bytesRead > 0)
+			s->_segMan->memcpy(argv[1], (const byte*)buf, size);
 	}
 
 	delete[] buf;
-- 
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