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/*
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* Copyright (c) 2003-2009 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 the License "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 <random.h>
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#include <e32debug.h>
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#include "randomshim.h"
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_LIT(KThreadRandom, "threadrandom.cpp");
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EXPORT_C void SetThreadRandomL(CRandom* aRNG)
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{
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User::LeaveIfError(Dll::SetTls(aRNG));
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}
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EXPORT_C void SetThreadRandomLC(CRandom* aRNG)
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{
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CleanupStack::PushL(aRNG);
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SetThreadRandomL(aRNG);
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//This pop before the push isn't a problem as the PushL can't fail.
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//We just did a push before this and thus there is enough room on the
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//cleanupstack such that OOM is not possible.
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CleanupStack::Pop(aRNG);
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CleanupStack::PushL(TCleanupItem(&DeleteThreadRandom, Dll::Tls()));
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}
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void DeleteThreadRandom(TAny* aPtr)
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{
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CRandom* random = reinterpret_cast<CRandom*>(aPtr);
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delete random;
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TInt result = Dll::SetTls(0);
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__ASSERT_ALWAYS(result == 0, User::Panic(KThreadRandom, 1));
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}
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EXPORT_C void DestroyThreadRandom(void)
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{
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delete (CRandom*)(Dll::Tls());
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TInt result = Dll::SetTls(0);
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__ASSERT_ALWAYS(result == 0, User::Panic(KThreadRandom, 1));
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}
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EXPORT_C void GenerateRandomBytesL(TDes8& aDest)
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{
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TAny* tls = Dll::Tls();
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if(tls)
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{
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((CRandom*)tls)->GenerateBytesL(aDest);
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}
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else
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{
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TRandomShim::RandomL(aDest);
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}
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}
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