diff -r 000000000000 -r 5752a19fdefe imaging/imagingplugins/codecs/recordtable.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/imaging/imagingplugins/codecs/recordtable.h	Wed Aug 25 12:29:52 2010 +0300
@@ -0,0 +1,77 @@
+// Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+//
+
+#ifndef ICL_RECORDTABLE_H
+#define ICL_RECORDTABLE_H
+
+#include <e32base.h>
+
+/**
+This class is used for keeping track of the location and size of structures
+within container file formats to prevent infinite looping on corrupted files.
+
+@internalComponent
+*/
+class CRecordTable : public CBase
+	{
+public:
+	static CRecordTable* NewL();
+	~CRecordTable();
+	TInt InsertRecordL(TInt aRecordStart, TInt aRecordLength);
+	void Reset();
+	TInt Count()
+		{
+		return iTable.Count();
+		}
+	
+protected:
+	CRecordTable();
+	
+public:
+	
+	class TRecord
+		{
+	public:
+		TInt iOffset;	// from start of file.
+		TInt iLength;	// in bytes.
+		
+	public:
+		TRecord(TInt aOffset, TInt aLength)
+		 :	iOffset(aOffset),
+		 	iLength(aLength)
+			{
+			}
+		
+		TBool Overlaps(const TRecord& aOther)
+			{
+			if (aOther.iOffset == iOffset)
+				{
+				return ETrue;
+				}
+	
+			if (aOther.iOffset < iOffset)
+				{
+				return ((aOther.iOffset + aOther.iLength) >= iOffset);
+				}
+
+			return ((iOffset + iLength) > aOther.iOffset);
+			}
+		};
+		
+private:
+	RArray<TRecord> iTable;
+	};
+
+#endif