Don't crash if an out-of-bounds read would occur

sbooth · Jul 31, 2011 · 24ff88b · 24ff88b
1 parent 726d8e6
commit 24ff88b
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/ThirdParty/PublicUtility/CARingBuffer.cpp b/ThirdParty/PublicUtility/CARingBuffer.cpp
@@ -261,7 +261,7 @@ CARingBufferError	CARingBuffer::Fetch(AudioBufferList *abl, UInt32 nFrames, Samp
 	size = endRead - startRead;
 
 	// Don't perform out-of-bounds writes
-	if((startRead - startRead0) > nFrames || (endRead0 - endRead) > nFrames) {
+	if((startRead - startRead0) > nFrames || (endRead0 - endRead) > nFrames || startRead == endRead) {
 		ZeroABL(abl, 0, nFrames * mBytesPerFrame);
 		return noErr;
 	}