// Copyright (c) 2007-2009 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:

// Some common definitions for this component

// 

//

/**

 @file

*/

#ifndef WIN_DRIVE_COMMON_H

#define WIN_DRIVE_COMMON_H

#include <e32debug.h>

#include <f32fsys.h>

//-----------------------------------------------------------------------------

//-- define this macro in order to enable debug print.

#define THIS_EXT_DEBUG_PRINT

#if (defined(_DEBUG) || defined(_DEBUG_RELEASE)) && defined(THIS_EXT_DEBUG_PRINT)

#define __PRINT(t)          {RDebug::Print(t);}

#define __PRINT1(t,a)       {RDebug::Print(t,a);}

#define __PRINT2(t,a,b)     {RDebug::Print(t,a,b);}

#define __PRINT3(t,a,b,c)   {RDebug::Print(t,a,b,c);}

#define __PRINT4(t,a,b,c,d) {RDebug::Print(t,a,b,c,d);}

#define __PRINTF(t)         {RDebug::Printf(t);}

#else

#define __PRINT(t)

#define __PRINT1(t,a)

#define __PRINT2(t,a,b)

#define __PRINT3(t,a,b,c)

#define __PRINTF(t)

#define __PRINT4(t,a,b,c,d)

#define __PRINTF(t)

#endif

//-- this logging is always enabled

#define __LOG(t)          {RDebug::Print(t);}

#define __LOG1(t,a)       {RDebug::Print(t,a);}

#define __LOG2(t,a,b)     {RDebug::Print(t,a,b);}

#define __LOG3(t,a,b,c)   {RDebug::Print(t,a,b,c);}

#define __LOG4(t,a,b,c,d) {RDebug::Print(t,a,b,c,d);}

#define __LOGF(t)         {RDebug::Printf(t);}

//-----------------------------------------------------------------------------

/**

    Zero-fill structure.

    @param apStruct     pointer to the data structure

*/

template<class T>

inline void ZeroFillStruct(T* apStruct)

{

    Mem::FillZ(apStruct,sizeof(T));

}

/**

    Zero-fill structure.

    @param apStruct     a reference to the data structure

*/

template<class T>

inline void ZeroFillStruct(T& aStruct)

{

    Mem::FillZ(&aStruct,sizeof(T));

}

/**

    Zero-fill memory. Just for consistency

    @param apStruct     pointer to the memory to be filled with zeroes

    @param aBytes       buffer size

*/

inline void ZeroFillStruct(void* aStruct, TUint aBytes)

{

    Mem::FillZ(aStruct,aBytes);

}

//-----------------------------------------------------------------------------

inline TBool IsPowerOf2(TUint32 aVal)

{

	if (aVal==0)

		return EFalse;

    return !(aVal & (aVal-1));

}

#endif //WIN_DRIVE_COMMON_H