author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Wed, 18 Aug 2010 11:08:29 +0300 | |
changeset 247 | d8d70de2bd36 |
permissions | -rw-r--r-- |
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// Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies). |
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// All rights reserved. |
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// This component and the accompanying materials are made available |
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// under the terms of the License "Eclipse Public License v1.0" |
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// which accompanies this distribution, and is available |
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// at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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// |
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// Initial Contributors: |
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// Nokia Corporation - initial contribution. |
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// |
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// Contributors: |
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// |
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// Description: |
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// TOC Partition Management for Embedded MMC devices |
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// |
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// |
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#include "toc.h" |
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/* |
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* Search entry in TOC with aName as part of ItemName. |
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*/ |
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TInt Toc::GetItemByName(const TText8* aName, STocItem& aItem) |
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{ |
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if ( aName == NULL ) |
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{ |
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return KErrNotFound; |
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} |
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// calculate length for name to be searched |
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TUint nameLen = 0; |
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for (; nameLen < KMaxItemNameLen && aName[nameLen] != 0; nameLen++) {}; |
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if ( !nameLen ) |
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return KErrGeneral; // zero length or Blank Name |
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// check all items in TOC |
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for (TUint i=0; i < KMaxNbrOfTocItems && iTOC[i].iStart != KEndOfToc; i++) |
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{ |
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// calculate length of current item |
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TUint fileNameLen = 0; |
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for (; fileNameLen < KMaxItemNameLen && iTOC[i].iFileName[fileNameLen] != 0; fileNameLen++) {}; |
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if ( fileNameLen < nameLen ) |
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continue; // file name too short |
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// compare Item with aName |
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for (TUint k = 0; k <= (fileNameLen - nameLen); k++ ) |
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{ |
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TUint l=0; |
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for (; l < nameLen; l++ ) |
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{ |
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if ( aName[l] != iTOC[i].iFileName[k+l] ) |
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break; |
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} |
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if ( l == nameLen ) |
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{ |
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// item found |
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aItem = iTOC[i]; |
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aItem.iStart += (iTocStartSector << KSectorShift); |
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return KErrNone; |
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} |
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} |
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} |
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return KErrNotFound; |
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} |
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// End of File |