genericopenlibs/openenvcore/libc/src/ualloc.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Mon, 04 Oct 2010 02:56:42 +0300
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// Copyright (c) 1998-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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// 
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//
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#include <e32std.h>
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#include <stdlib.h> //size_t
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#include <errno.h>
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// We use the EPOC32 memory allocation which is already
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// thread-safe, so we don't need the _malloc_r variants
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extern "C" {
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EXPORT_C void* malloc (size_t nbytes)
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	{
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	if (nbytes >= (KMaxTInt/2))
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		{
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		errno = ENOMEM;
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		return NULL;
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		}
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	TAny *Tptr = User::Alloc(nbytes);
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	if(Tptr == NULL)
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		errno = ENOMEM;
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	return Tptr;
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	}
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EXPORT_C void* realloc (void *p, size_t nbytes)
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	{
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	if (nbytes >= (KMaxTInt/2))
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		{
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		errno = ENOMEM;
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		return NULL;
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		}
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	TAny *Tptr = User::ReAlloc(p, nbytes);
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	if(Tptr == NULL)
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		errno = ENOMEM;
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	return Tptr;
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	}
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EXPORT_C void free (void *p)
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	{
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	User::Free(p);
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	}
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} // extern "C"