1 // Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of the License "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 // f32\sfsrv\cl_clamp.cpp

    15 // 

    16 //

    17 

    18 #include <f32file.h>

    19 

    20 

    21 EXPORT_C TInt RFileClamp::Clamp(RFile& aFile)

    22 /**

    23 	Clamp the supplied file and store the resulting cookie in this object.

    24 

    25 	@param	aFile			File to clamp.

    26 	@return					Symbian OS error code.

    27  */

    28 	{

    29 	return aFile.Clamp(*this);

    30 	}

    31 

    32 EXPORT_C TInt RFileClamp::Close(RFs& aFs)

    33 /**

    34 	Unclamp the file which was clamped with this object.

    35 	It is safe to call this function a handle that was not

    36 	successfully opened.

    37 

    38 	@param	aFs				File server session which was used to

    39 							generate this clamp cookie value.

    40 	@return					Symbian OS error code.

    41  */

    42 	{

    43 	TInt r = KErrNone;

    44 

    45 	TBool opened = !(iCookie[0] == 0 && iCookie[1] == 0);

    46 	if (opened)

    47 		{

    48 		r = aFs.Unclamp(*this);

    49 		if (r == KErrNone)

    50 			*this = RFileClamp();

    51 		}

    52 

    53 	return r;

    54 	}

    55 

    56