/** @file

* Copyright (c) 2005-2006 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:  Declares macros for heap checks

*

*/

#ifndef UPNPUHEAPMARK_H

#define UPNPUHEAPMARK_H

// INCLUDES

#include <e32base.h>

//variables

const TBool KUpnpHeapChecksToHeapChecks = ETrue; //checks heap only if ETrue

_LIT( KUpnpHeapChecksAllocInfo, "%D;%D" ); //panic category if heap checks fails

const TInt KUpnpHeapChecksMaxAllocInfoLength = 21; //10 + 1 + 10

const TInt KUpnpHeapChecksAllocPanicReason = 0; //panic reason if heap checks fails

//functions

static void UPnpHeapChecks( TInt aCells, TInt aBytes )

    {

    if ( aCells )

        {

        TBuf<KUpnpHeapChecksMaxAllocInfoLength> allocInfo;

        allocInfo.AppendFormat(  KUpnpHeapChecksAllocInfo(), aCells, aBytes );

        User::Panic( allocInfo, KUpnpHeapChecksAllocPanicReason );

        }

    }

#define __UPNP_UHEAP_MARK     TInt cells_begin;                                     \

                              TInt bytes_begin;                                     \

                              RHeap& heap = User::Heap();                           \

                              if ( KUpnpHeapChecksToHeapChecks )                    \

                              {                                                     \

                              cells_begin = heap.AllocSize( bytes_begin );          \

                              }    

#define __UPNP_UHEAP_MARKEND if ( KUpnpHeapChecksToHeapChecks )                     \

                              {                                                     \

                              TInt cells_end;                                       \

                              TInt bytes_end;                                       \

                              cells_end = heap.AllocSize( bytes_end );              \

                              UPnpHeapChecks( cells_end-cells_begin,                \

                                                          bytes_end-bytes_begin );  \

                              }    

#endif // UPNPUHEAPMARK_H

//end of file