diff -r 000000000000 -r 96e5fb8b040d userlibandfileserver/fileserver/sfsrv/cl_clamp.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/userlibandfileserver/fileserver/sfsrv/cl_clamp.cpp	Thu Dec 17 09:24:54 2009 +0200
@@ -0,0 +1,56 @@
+// Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of the License "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:
+// f32\sfsrv\cl_clamp.cpp
+// 
+//
+
+#include <f32file.h>
+
+
+EXPORT_C TInt RFileClamp::Clamp(RFile& aFile)
+/**
+	Clamp the supplied file and store the resulting cookie in this object.
+
+	@param	aFile			File to clamp.
+	@return					Symbian OS error code.
+ */
+	{
+	return aFile.Clamp(*this);
+	}
+
+EXPORT_C TInt RFileClamp::Close(RFs& aFs)
+/**
+	Unclamp the file which was clamped with this object.
+	It is safe to call this function a handle that was not
+	successfully opened.
+
+	@param	aFs				File server session which was used to
+							generate this clamp cookie value.
+	@return					Symbian OS error code.
+ */
+	{
+	TInt r = KErrNone;
+
+	TBool opened = !(iCookie[0] == 0 && iCookie[1] == 0);
+	if (opened)
+		{
+		r = aFs.Unclamp(*this);
+		if (r == KErrNone)
+			*this = RFileClamp();
+		}
+
+	return r;
+	}
+
+