Convert Kernelhwsrv package from SFL to EPL
kernel\eka\compsupp is subject to the ARM EABI LICENSE
userlibandfileserver\fatfilenameconversionplugins\unicodeTables is subject to the Unicode license
kernel\eka\kernel\zlib is subject to the zlib license
// Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).
// All rights reserved.
// This component and the accompanying materials are made available
// under the terms of the License "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:
// Utility functions for the Mass Storage file system.
//
//
/**
@file
@internalTechnology
*/
#include <e32std.h>
#include <e32std_private.h>
/**
Returns ETrue if aNum is a power of two
*/
GLDEF_C TBool IsPowerOfTwo(TInt aNum)
{
if (aNum==0)
return(EFalse);
while(aNum)
{
if (aNum & 0x01)
{
if (aNum>>1)
return EFalse;
break;
}
aNum>>=1;
}
return ETrue;
}
/**
Returns the position of the highest bit in aNum or -1 if aNum == 0
*/
GLDEF_C TInt Log2(TInt aNum)
{
TInt res=-1;
while(aNum)
{
res++;
aNum>>=1;
}
return(res);
}