// 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