--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/commsfwutils/commsbufs/mbufmgrimpl/src/MBufMemoryAllocator.cpp	Thu Dec 17 09:22:25 2009 +0200
@@ -0,0 +1,110 @@
+// Copyright (c) 1997-2009 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:
+// Heap Memory Allocation for CMBufPoolAllocator 
+// 
+//
+
+/** 	  	 
+@file 	  	 
+@internalComponent 	  	 
+*/
+
+#include "mbufmanager.h"
+#include "MBufMemoryAllocator.h"
+#include "MBufPool.h"
+#include <cflog.h>
+
+#ifdef __CFLOG_ACTIVE
+__CFLOG_STMT(_LIT8(KComponent, "MemoryAllocator");)
+__CFLOG_STMT(_LIT8(KSubsysMBufMgr, "MBufMgr");) // subsystem name
+#endif
+
+CMBufMemoryAllocator* CMBufMemoryAllocator::NewL(TInt aMaxHeapSize)
+//
+// Construction - first phase
+//
+	{
+	CMBufMemoryAllocator* memAllocator = new(ELeave) CMBufMemoryAllocator;
+	CleanupStack::PushL(memAllocator);
+	memAllocator->ConstructL(aMaxHeapSize);
+	CleanupStack::Pop();
+	
+	return memAllocator;
+	}
+
+CMBufMemoryAllocator::CMBufMemoryAllocator()
+	: CBase()
+//
+// Constructor
+//
+	{
+#ifdef __CFLOG_ACTIVE
+	__CFLOG_VAR((KSubsysMBufMgr, KComponent, _L8("CMBufManager %x:\tCMBufMemoryAllocator()"),this));
+#endif
+	}
+
+void CMBufMemoryAllocator::ConstructL(TInt aMaxHeapSize)
+//
+// Construction - second phase
+//
+	{
+	iHeap = UserHeap::ChunkHeap(NULL, 0, aMaxHeapSize);
+	if (iHeap==NULL)
+		{
+#ifdef __CFLOG_ACTIVE
+		__CFLOG_2(KSubsysMBufMgr, KComponent, _L8("CMBufManager::CMBufMemoryAllocator %x:\tCreateL(0, aMaxHeapSize %d) leaving with KErrNoMemory"), this, aMaxHeapSize);
+#endif
+		User::Leave(KErrNoMemory);
+		}
+	}
+
+CMBufMemoryAllocator::~CMBufMemoryAllocator()
+//
+// Destructor
+//
+	{
+	iHeap->Close();
+	}
+
+TAny* CMBufMemoryAllocator::Alloc(TInt aSize)
+//
+// Allocates memory from the heap
+//
+	{
+	TAny* pMemory;
+	pMemory = iHeap->Alloc(aSize);
+
+	return pMemory;
+	}
+
+void CMBufMemoryAllocator::Free(TAny* aPtr)
+//
+// Returns memory to the heap
+//
+	{
+	CMBufPool* pool = (CMBufPool* ) aPtr;
+	
+	iHeap->Free(pool);
+	}
+
+TInt CMBufMemoryAllocator::AllocBytes()
+//
+// Number of bytes allocated from the heap
+//
+	{
+	TInt allocated;
+	iHeap->AllocSize(allocated);
+	
+	return allocated;
+	}