1 /*

     2 * Copyright (c) 2006-2007 Nokia Corporation and/or its subsidiary(-ies). 

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

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

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:  Logging utility for MC Photos

    15 *

    16 */

    17 

    18 

    19 // CLASS HEADER

    20 #include "mullogger.h"

    21 

    22 // EXTERNAL INCLUDES

    23 #include <e32debug.h>

    24 //#include <flogger.h>

    25 

    26 // INTERNAL INCLUDES

    27 //#include "mullogchunk.h"

    28 

    29 namespace MulLogger

    30     {

    31     /// constants

    32     const TInt KMaxLoggingBufferLength = 256;

    33 

    34 

    35 /**

    36  * TDes overflow handler

    37  * Default overflow handler panics and we dont want to do 

    38  * that in logging so need to implement our own handler.

    39  */ 

    40 class TDes8OverFlowHandler : public TDes8Overflow

    41     {

    42     public: // from TDes8Overflow

    43         /// @ref TDes8Overflow::Overflow

    44         void Overflow( TDes8& /*aDes*/ )

    45             {

    46             // do nothing, we cant allocate so just eat the error

    47             }

    48     };

    49 

    50 // -----------------------------------------------------------------------------

    51 // MulLogger::WriteFormat

    52 // -----------------------------------------------------------------------------

    53 EXPORT_C void WriteFormat( TRefByValue< const TDesC8 > aFmt, ... )

    54     {

    55     /// writeable buffer, in emulator this is in stack

    56     TBuf8< KMaxLoggingBufferLength > gWriteBuffer;

    57     // take the ellipsis parameter

    58     VA_LIST args;

    59     VA_START( args, aFmt );

    60     // create overflow handler

    61     TDes8OverFlowHandler overflowhandler;

    62     // clear old data by setting length to zero

    63     gWriteBuffer.SetLength( 0 );

    64     // append the parameters to the descriptor

    65     gWriteBuffer.AppendFormatList( aFmt, args, &overflowhandler );

    66     // end the ellipsis handling

    67     VA_END( args );

    68     

    69     TBuf16<256> buffer;

    70     buffer.Copy(gWriteBuffer);

    71     RDebug::Print(_L("MUL:-%S"),&buffer);

    72     

    73     } // namespace

    74     

    75 } // namespace