sl@0: // Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of the License "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: // f32\sfsrv\cl_clamp.cpp
sl@0: // 
sl@0: //
sl@0: 
sl@0: #include <f32file.h>
sl@0: #include <e32ldr_private.h>
sl@0: 
sl@0: 
sl@0: EXPORT_C TInt RFileClamp::Clamp(RFile& aFile)
sl@0: /**
sl@0: 	Clamp the supplied file and store the resulting cookie in this object.
sl@0: 
sl@0: 	@param	aFile			File to clamp.
sl@0: 	@return					Symbian OS error code.
sl@0:  */
sl@0: 	{
sl@0: 	return aFile.Clamp(*this);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C TInt RFileClamp::Close(RFs& aFs)
sl@0: /**
sl@0: 	Unclamp the file which was clamped with this object.
sl@0: 	It is safe to call this function a handle that was not
sl@0: 	successfully opened.
sl@0: 
sl@0: 	@param	aFs				File server session which was used to
sl@0: 							generate this clamp cookie value.
sl@0: 	@return					Symbian OS error code.
sl@0:  */
sl@0: 	{
sl@0: 	TInt r = KErrNone;
sl@0: 
sl@0: 	TBool opened = !(iCookie[0] == 0 && iCookie[1] == 0);
sl@0: 	if (opened)
sl@0: 		{
sl@0: 		r = aFs.Unclamp(*this);
sl@0: 		if (r == KErrNone)
sl@0: 			*this = RFileClamp();
sl@0: 		}
sl@0: 
sl@0: 	return r;
sl@0: 	}
sl@0: 
sl@0: