1 // Copyright (c) 1995-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of the License "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15 //  Collection of common constants, utility functions, etc. for the file server and file systems.

    16 //  Definitions here must be filesystem-agnostic, i.e. generic enougs to be used by every file system

    17 //

    18 //  This is the internal file and must not be exported.

    19 

    20 /**

    21     @file

    22     @internalTechnology

    23 */

    24 

    25 #include "filesystem_utils.h"

    26 

    27 //-----------------------------------------------------------------------------

    28 

    29 /**

    30     Calculates the log2 of a number

    31 

    32     @param aNum Number to calulate the log two of

    33     @return The log two of the number passed in

    34 */

    35 TUint32 Log2(TUint32 aVal)

    36     {

    37     return Log2_inline(aVal);

    38     }

    39 

    40 //-----------------------------------------------------------------------------

    41 /**

    42     Calculates number of '1' bits in the aVal

    43 

    44     @param aVal some value

    45     @return number of '1' bits in the aVal

    46 */

    47 TUint32 Count1Bits(TUint32 aVal)

    48     {

    49     return Count1Bits_inline(aVal);

    50     }

    51 

    52 //-----------------------------------------------------------------------------

    53 /**

    54     Removes trailing dots from aName.

    55     @return new string descriptor that may have its length adjusted

    56 */

    57 TPtrC RemoveTrailingDots(const TDesC& aName)

    58     {

    59     TInt len = aName.Length();

    60     

    61     while(len > 0)

    62         {

    63         if(aName[len-1] == '.')

    64             len--;

    65         else

    66             break;

    67         }

    68 

    69     TPtrC ptrNoDots(aName.Ptr(), len);

    70     return ptrNoDots;

    71     }

    72 

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