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1 // Copyright (c) 1995-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of the License "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // |
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15 // Collection of common constants, utility functions, etc. for the file server and file systems. |
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16 // Definitions here must be filesystem-agnostic, i.e. generic enougs to be used by every file system |
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17 // |
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18 // This is the internal file and must not be exported. |
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19 |
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20 /** |
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21 @file |
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22 @internalTechnology |
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23 */ |
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24 |
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25 #include "filesystem_utils.h" |
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26 |
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27 //----------------------------------------------------------------------------- |
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28 |
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29 /** |
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30 Calculates the log2 of a number |
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31 |
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32 @param aNum Number to calulate the log two of |
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33 @return The log two of the number passed in |
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34 */ |
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35 TUint32 Log2(TUint32 aVal) |
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36 { |
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37 return Log2_inline(aVal); |
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38 } |
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39 |
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40 //----------------------------------------------------------------------------- |
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41 /** |
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42 Calculates number of '1' bits in the aVal |
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43 |
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44 @param aVal some value |
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45 @return number of '1' bits in the aVal |
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46 */ |
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47 TUint32 Count1Bits(TUint32 aVal) |
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48 { |
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49 return Count1Bits_inline(aVal); |
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50 } |
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51 |
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52 //----------------------------------------------------------------------------- |
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53 /** |
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54 Removes trailing dots from aName. |
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55 @return new string descriptor that may have its length adjusted |
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56 */ |
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57 TPtrC RemoveTrailingDots(const TDesC& aName) |
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58 { |
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59 TInt len = aName.Length(); |
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60 |
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61 while(len > 0) |
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62 { |
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63 if(aName[len-1] == '.') |
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64 len--; |
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65 else |
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66 break; |
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67 } |
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68 |
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69 TPtrC ptrNoDots(aName.Ptr(), len); |
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70 return ptrNoDots; |
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71 } |
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