sl@0: // Copyright (c) 1995-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of the License "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: //
sl@0: //  Collection of common constants, utility functions, etc. for the file server and file systems.
sl@0: //  Definitions here must be filesystem-agnostic, i.e. generic enougs to be used by every file system
sl@0: //
sl@0: //  This is the internal file and must not be exported.
sl@0: 
sl@0: /**
sl@0:     @file
sl@0:     @internalTechnology
sl@0: */
sl@0: 
sl@0: #include "filesystem_utils.h"
sl@0: 
sl@0: //-----------------------------------------------------------------------------
sl@0: 
sl@0: /**
sl@0:     Calculates the log2 of a number
sl@0: 
sl@0:     @param aNum Number to calulate the log two of
sl@0:     @return The log two of the number passed in
sl@0: */
sl@0: TUint32 Log2(TUint32 aVal)
sl@0:     {
sl@0:     return Log2_inline(aVal);
sl@0:     }
sl@0: 
sl@0: //-----------------------------------------------------------------------------
sl@0: /**
sl@0:     Calculates number of '1' bits in the aVal
sl@0: 
sl@0:     @param aVal some value
sl@0:     @return number of '1' bits in the aVal
sl@0: */
sl@0: TUint32 Count1Bits(TUint32 aVal)
sl@0:     {
sl@0:     return Count1Bits_inline(aVal);
sl@0:     }
sl@0: 
sl@0: //-----------------------------------------------------------------------------
sl@0: /**
sl@0:     Removes trailing dots from aName.
sl@0:     @return new string descriptor that may have its length adjusted
sl@0: */
sl@0: TPtrC RemoveTrailingDots(const TDesC& aName)
sl@0:     {
sl@0:     TInt len = aName.Length();
sl@0:     
sl@0:     while(len > 0)
sl@0:         {
sl@0:         if(aName[len-1] == '.')
sl@0:             len--;
sl@0:         else
sl@0:             break;
sl@0:         }
sl@0: 
sl@0:     TPtrC ptrNoDots(aName.Ptr(), len);
sl@0:     return ptrNoDots;
sl@0:     }
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