// Copyright (c) 2005-2009 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:

// Utils for XML Engine

//

#define IN_LIBXML

#include <stdlib.h>

#include <string.h>

#include "libxml2_globals_private.h"

#include <e32std.h>

/**

Return address at the limit of the system stack.

When this address is reached, stack overflow occurs.

*/

unsigned int xeStackLimitAddress()

    {

    TThreadStackInfo aInfo;

    RThread().StackInfo(aInfo);

    return (unsigned int) aInfo.iLimit;

    }

/**

Retrieves a pointer to the 'global state' structure that contains all global settings

Initialization of global data is performed when first user of XML Engine calls

XmlEngine::XmlEngineAttachL() or XmlEngine::XmlEnginePushL()

*/

XMLPUBFUNEXPORT xmlGlobalStatePtr xmlGetGlobalState(void)

    {

    // DONE: Move code that initializes global data into XmlEngine::XmlEngineAttachL()

    xmlGlobalStatePtr gs = STATIC_CAST(xmlGlobalStatePtr, Dll::Tls());

    return gs;

    }

/**

Sets value of tread-local storage.

*/

void xeSetTLS(void* aPtr)

    {

    Dll::SetTls(aPtr);

    }

/**

Returns pointer to the global state structure as it is stored in TLS.

Use only xeGetTLS() for checking the content of libxml2's TLS, otherwise

Dll:Tls() returns value, which is specific to the caller's DLL and thread, not libxml2's!

*/

XMLPUBFUNEXPORT xmlGlobalStatePtr xeGetTLS()

    {

    return STATIC_CAST(xmlGlobalStatePtr, Dll::Tls());

    }