1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/kernelhwsrv/userlibandfileserver/fileserver/fs_utils/filesystem_utils.cpp Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,91 @@
1.4 +// Copyright (c) 1995-2009 Nokia Corporation and/or its subsidiary(-ies).
1.5 +// All rights reserved.
1.6 +// This component and the accompanying materials are made available
1.7 +// under the terms of the License "Eclipse Public License v1.0"
1.8 +// which accompanies this distribution, and is available
1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
1.10 +//
1.11 +// Initial Contributors:
1.12 +// Nokia Corporation - initial contribution.
1.13 +//
1.14 +// Contributors:
1.15 +//
1.16 +// Description:
1.17 +//
1.18 +// Collection of common constants, utility functions, etc. for the file server and file systems.
1.19 +// Definitions here must be filesystem-agnostic, i.e. generic enougs to be used by every file system
1.20 +//
1.21 +// This is the internal file and must not be exported.
1.22 +
1.23 +/**
1.24 + @file
1.25 + @internalTechnology
1.26 +*/
1.27 +
1.28 +#include "filesystem_utils.h"
1.29 +
1.30 +//-----------------------------------------------------------------------------
1.31 +
1.32 +/**
1.33 + Calculates the log2 of a number
1.34 +
1.35 + @param aNum Number to calulate the log two of
1.36 + @return The log two of the number passed in
1.37 +*/
1.38 +TUint32 Log2(TUint32 aVal)
1.39 + {
1.40 + return Log2_inline(aVal);
1.41 + }
1.42 +
1.43 +//-----------------------------------------------------------------------------
1.44 +/**
1.45 + Calculates number of '1' bits in the aVal
1.46 +
1.47 + @param aVal some value
1.48 + @return number of '1' bits in the aVal
1.49 +*/
1.50 +TUint32 Count1Bits(TUint32 aVal)
1.51 + {
1.52 + return Count1Bits_inline(aVal);
1.53 + }
1.54 +
1.55 +//-----------------------------------------------------------------------------
1.56 +/**
1.57 + Removes trailing dots from aName.
1.58 + @return new string descriptor that may have its length adjusted
1.59 +*/
1.60 +TPtrC RemoveTrailingDots(const TDesC& aName)
1.61 + {
1.62 + TInt len = aName.Length();
1.63 +
1.64 + while(len > 0)
1.65 + {
1.66 + if(aName[len-1] == '.')
1.67 + len--;
1.68 + else
1.69 + break;
1.70 + }
1.71 +
1.72 + TPtrC ptrNoDots(aName.Ptr(), len);
1.73 + return ptrNoDots;
1.74 + }
1.75 +
1.76 +
1.77 +
1.78 +
1.79 +
1.80 +
1.81 +
1.82 +
1.83 +
1.84 +
1.85 +
1.86 +
1.87 +
1.88 +
1.89 +
1.90 +
1.91 +
1.92 +
1.93 +
1.94 +