202
|
1 |
// Copyright (c) 2010 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 |
// TOC Partition Management for Embedded MMC devices
|
|
15 |
//
|
|
16 |
//
|
|
17 |
|
|
18 |
#include "toc.h"
|
|
19 |
|
|
20 |
|
|
21 |
/*
|
|
22 |
* Search entry in TOC with aName as part of ItemName.
|
|
23 |
*/
|
|
24 |
TInt Toc::GetItemByName(const TText8* aName, STocItem& aItem)
|
|
25 |
{
|
|
26 |
if ( aName == NULL )
|
|
27 |
{
|
|
28 |
return KErrNotFound;
|
|
29 |
}
|
|
30 |
|
|
31 |
// calculate length for name to be searched
|
|
32 |
TUint nameLen = 0;
|
|
33 |
for (; nameLen < KMaxItemNameLen && aName[nameLen] != 0; nameLen++) {};
|
|
34 |
|
|
35 |
if ( !nameLen )
|
|
36 |
return KErrGeneral; // zero length or Blank Name
|
|
37 |
|
|
38 |
// check all items in TOC
|
|
39 |
for (TUint i=0; i < KMaxNbrOfTocItems && iTOC[i].iStart != KEndOfToc; i++)
|
|
40 |
{
|
|
41 |
// calculate length of current item
|
|
42 |
TUint fileNameLen = 0;
|
|
43 |
for (; fileNameLen < KMaxItemNameLen && iTOC[i].iFileName[fileNameLen] != 0; fileNameLen++) {};
|
|
44 |
|
|
45 |
if ( fileNameLen < nameLen )
|
|
46 |
continue; // file name too short
|
|
47 |
|
|
48 |
// compare Item with aName
|
|
49 |
for (TUint k = 0; k <= (fileNameLen - nameLen); k++ )
|
|
50 |
{
|
|
51 |
TUint l=0;
|
|
52 |
for (; l < nameLen; l++ )
|
|
53 |
{
|
|
54 |
if ( aName[l] != iTOC[i].iFileName[k+l] )
|
|
55 |
break;
|
|
56 |
}
|
|
57 |
|
|
58 |
if ( l == nameLen )
|
|
59 |
{
|
|
60 |
// item found
|
|
61 |
aItem = iTOC[i];
|
|
62 |
aItem.iStart += (iTocStartSector << KSectorShift);
|
|
63 |
return KErrNone;
|
|
64 |
}
|
|
65 |
}
|
|
66 |
}
|
|
67 |
|
|
68 |
return KErrNotFound;
|
|
69 |
}
|
|
70 |
|
|
71 |
// End of File
|