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// Copyright (c) 2006-2009 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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// Performs basic operations required by all test steps
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//
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//
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#include "basetestfat32base.h"
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#include "sl_bpb1.h"
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#include "basetedefs.h"
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#include <f32file.h>
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static RRawDisk TheDisk;
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static TFatBootSector TheBootSector;
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TDiskType gDiskType = EFatUnknown;
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TInt gBytesPerCluster;
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TInt gEntriesPerCluster;
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TInt gDataStartBytes;
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TInt gRootDirSectors;
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TInt gTotalSectors;
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TInt gRootDirStart;
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TInt gRootSector;
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TInt gRootCluster;
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TInt gFatStartBytes;
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TInt gFatTestEntries;
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TInt gFatSizeSectors;
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TInt gFirstDataSector;
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TInt gFirstDataCluster;
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TInt gMaxDataCluster;
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TInt gClusterCount;
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TInt gEndOfChain;
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/**
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Class Constructor
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*/
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CBaseTestFat32Base::CBaseTestFat32Base()
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{
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SetTestStepName(KTestStepBase);
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}
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/**
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Class Destructor
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*/
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CBaseTestFat32Base::~CBaseTestFat32Base()
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{
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}
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/**
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Base step to all test steps which carries out the followng actions:
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1. Gets the drive letter
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2. Checks that it is not a RAM drive
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3. Obtains the size of the disk
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4. Ensures that the volume is either FAT or FAT32
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5. Sets the session path
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6. Ensures that the number of sectors per cluster is correct
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7. Calculates the cluster count of the volume.
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@return EPass if test passes and EFail if test fails
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*/
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TVerdict CBaseTestFat32Base::doTestStepPreambleL()
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{
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SetTestStepResult(EFail);
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RDebug::Printf("Starting next test step...");
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CheckDebug();
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ParseCommandArguments();
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iTheFs.Connect();
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TInt drvNum = CurrentDrive();
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if (!IsFileSystemFAT32() && !IsFileSystemFAT(iTheFs,drvNum))
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{
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_LIT(KNotFat, "Test requires FAT filesystem");
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INFO_PRINTF1(KNotFat);
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return TestStepResult();
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}
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// check this is not the internal ram drive and get the size of the disk
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TVolumeInfo volumeInfo;
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TInt res = iTheFs.Volume(volumeInfo, CurrentDrive());
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TBool isRamDrive = volumeInfo.iDrive.iMediaAtt&KMediaAttVariableSize;
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iDiskSize = volumeInfo.iSize;
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// Obtain the Size of the disk from the media driver
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TBusLocalDrive mmcDrive;
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TBool changeFlag;
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changeFlag=EFalse;
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TInt r = mmcDrive.Connect(1,changeFlag);
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TTime startTime;
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startTime.HomeTime();
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TLocalDriveCapsV2 information;
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TPckg<TLocalDriveCapsV2> pckg(information);
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r = mmcDrive.Caps(pckg);
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iDriveSize = information.iSize;
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// Set the Session Path
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_LIT(Ksp, "%c:\\");
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TBuf<4> sessionPath;
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sessionPath.Format(Ksp, (TUint)iDriveToTest);
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r = iTheFs.SetSessionPath(sessionPath);
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r = iTheFs.SessionPath(iSessionPath);
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CalculateClusCount();
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// Check the Sectors per cluster and Cluster count
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r = CheckSecPerClus();
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if (r != KErrNone)
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{
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INFO_PRINTF1(_L("WARNING: Sector Per Cluster check was incorrect - Card should have special format requirements"));
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iMedia = 1;
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}
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else
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{
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INFO_PRINTF1(_L("Sector Per Cluster check is correct"));
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iMedia = 0;
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}
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if (isRamDrive)
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{
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SetTestStepResult(EAbort);
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_LIT(KRamNotValid, "Tests not valid on internal ram drive ");
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INFO_PRINTF1(KRamNotValid);
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return TestStepResult();
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}
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else
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SetTestStepResult(EPass);
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return TestStepResult();
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}
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/**
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Get the drive letter from the ini file
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*/
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void CBaseTestFat32Base::ParseCommandArguments(void)
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{
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TBufC<2> driveLetter;
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TPtrC16 letter = driveLetter;
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_LIT(KLetter,"DriveLetter");
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_LIT(KCommon,"Common");
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TBool alright = GetStringFromConfig(KCommon, KLetter, letter);
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if (alright)
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{
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iDriveToTest = letter[0];
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iDriveToTest.UpperCase();
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}
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}
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/**
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Sets the debug register value for debug builds if specified in the ini file
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*/
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void CBaseTestFat32Base::CheckDebug()
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{
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TInt debug;
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_LIT(KDebug,"SetDebug");
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_LIT(KCommon,"Common");
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TBool alright = GetIntFromConfig(KCommon, KDebug, debug);
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if (alright)
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{
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if (debug == 1)
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{
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#ifdef _DEBUG
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iTheFs.SetDebugRegister(KFSYS);
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#else
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_LIT(KNotDebug,"This is not a Debug build");
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INFO_PRINTF1(KNotDebug);
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#endif
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}
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else
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{
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_LIT(KSpecifyDebug,"Debugging not specified in ini file");
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INFO_PRINTF1(KSpecifyDebug);
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}
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}
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}
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/**
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Converts the drive letter to the drive number
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@return driveNum The number of the drive
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*/
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TInt CBaseTestFat32Base::CurrentDrive()
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{
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TInt driveNum;
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TInt ret = iTheFs.CharToDrive(iDriveToTest,driveNum);
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return(driveNum);
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}
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/**
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Check to see whether the volume is FAT32
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@return TRUE if is Fat32 else FALSE
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*/
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TBool CBaseTestFat32Base:: IsFileSystemFAT32()
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{
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// _LIT(KFat32Name,"Fat32");
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if(TheBootSector.RootDirEntries() == 0)
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{
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gEndOfChain = 0x0FFFFFFF;
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_LIT(KIsFat32, "Is Fat32 filesystem");
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INFO_PRINTF1(KIsFat32);
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return TRUE;
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}
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else
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{
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_LIT(KIsNotFat32, "Is Not Fat32 filesystem");
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INFO_PRINTF1(KIsNotFat32);
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return FALSE;
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}
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}
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/**
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Check to see whether the volume is FAT
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@return TRUE if is Fat else FALSE
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*/
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TBool CBaseTestFat32Base::IsFileSystemFAT(RFs &aFsSession,TInt aDrive)
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{
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_LIT(KFatName,"Fat");
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TFileName f;
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TInt r = aFsSession.FileSystemName(f,aDrive);
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if (r != KErrNone)
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{
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_LIT(KNoFatName, "Unable to get file system name");
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INFO_PRINTF1(KNoFatName);
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return FALSE;
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}
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return (f.CompareF(KFatName) == 0);
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}
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/**
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Check that the sectors per cluster is correct for the disk size used
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@return KErrNone if Sectors Per Cluster is correct
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*/
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TInt CBaseTestFat32Base::CheckSecPerClus()
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{
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TInt64 diskSizeSec = iDiskSize / 512;
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if (diskSizeSec <= 16777216)
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{
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if (iBPB_SecPerClus == 8)
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return KErrNone;
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else return -1;
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}
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else if (diskSizeSec <= 33554432)
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{
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if (iBPB_SecPerClus == 16)
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return KErrNone;
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else return -1;
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}
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else if (diskSizeSec <= 67108864)
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{
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if (iBPB_SecPerClus == 32)
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return KErrNone;
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else return -1;
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}
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else if (diskSizeSec <= 0xFFFFFFFF)
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{
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if (iBPB_SecPerClus == 64)
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return KErrNone;
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else return -1;
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}
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return KErrNone;
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}
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/**
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Calculate the cluster count of the volume
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@return KErrNone Successful
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*/
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TInt CBaseTestFat32Base::CalculateClusCount()
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{
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TInt r;
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r = TheDisk.Open(iTheFs, CurrentDrive());
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if (r != KErrNone)
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{
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_LIT(KErrorRead, "Cannot open the raw disk - r=%d");
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INFO_PRINTF2(KErrorRead, r);
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return r;
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}
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r = ReadField(4, 32, &iBPB_TotSec32);
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if (r != KErrNone)
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{
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_LIT(KErrorRead, "Cannot get the field value BPB_TotSec32 - r=%d");
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INFO_PRINTF2(KErrorRead, r);
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return r;
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}
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r = ReadField(2, 14, &iBPB_ResvdSecCnt);
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if (r != KErrNone)
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{
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_LIT(KErrorReadField, "Cannot get the field value BPB_ResvdSecCnt - r=%d");
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INFO_PRINTF2(KErrorReadField, r);
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return r;
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}
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r = ReadField(1, 16, &iBPB_NumFATs);
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if (r != KErrNone)
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{
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_LIT(KErrorReadField, "Cannot get the field value BPB_NumFATs - r=%d");
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INFO_PRINTF2(KErrorReadField, r);
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return r;
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}
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r = ReadField(4, 36, &iBPB_FATSz32);
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if (r != KErrNone)
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{
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_LIT(KErrorReadField, "Cannot get the field value BPB_FATSz32 - r=%d");
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INFO_PRINTF2(KErrorReadField, r);
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return r;
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}
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r = ReadField(1, 13, &iBPB_SecPerClus);
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if (r != KErrNone)
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{
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_LIT(KErrorReadField, "Cannot get the field value BPB_SecPerClus - r=%d");
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INFO_PRINTF2(KErrorReadField, r);
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return r;
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}
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iClusterCount = (iBPB_TotSec32-(iBPB_ResvdSecCnt+(iBPB_NumFATs*iBPB_FATSz32)))/(iBPB_SecPerClus);
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_LIT(KClusterCountValue, "The cluster count of the volume is %d");
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INFO_PRINTF2(KClusterCountValue, iClusterCount);
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TheDisk.Close();
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return KErrNone;
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}
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/**
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Convert the field to the correct endien format
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@param aLen The length of the field being read
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@param aBuffer The original endien format of the field
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@param aField the correct endien format of the field
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@return KErrNone Successful
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*/
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TInt CBaseTestFat32Base::Convert(TInt aLen, TUint8 *aBuffer, TUint32 *aField)
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{
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TInt i = aLen-1;
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*aField = 0;
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while(i >= 0)
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{
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*aField = *aField << 8;
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*aField = *aField + aBuffer[i];
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i--;
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}
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return KErrNone;
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}
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/**
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Read the entire field
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@param aLen The length of the field being read
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@param aOffSt The position at which to start reading
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@param aName The entire field to read
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@return KErrNone Successful
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*/
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TInt CBaseTestFat32Base::ReadField(TInt aLen, TInt aOffSet, TUint32 *aName)
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{
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TInt r;
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TUint8 aField[4];
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TPtr8 bufPtr(&aField[0], aLen);
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r=TheDisk.Read(aOffSet, bufPtr);
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if (r != KErrNone)
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{
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_LIT(KErrorRead, "Cannot read the raw disk - r=%d");
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INFO_PRINTF2(KErrorRead, r);
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return r;
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}
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r = Convert(aLen, aField,aName);
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return r;
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}
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/**
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Get the number of bytes per sector
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@param aSecPerCluster The number of sectors per cluster
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@return The number of bytes per cluster
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*/
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TInt64 getBytesPerCluster(TUint32 aSecPerClus)
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{
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TInt64 res = aSecPerClus * 512;
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return res;
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}
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/**
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Convert the cluster number to byte offset on disk
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@param aCluster The cluster number
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@return The offset in bytes
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*/
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TInt64 CBaseTestFat32Base::ClusterToByte(TInt aCluster)
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{
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TInt64 FirstDataSector = (iBPB_ResvdSecCnt + (iBPB_NumFATs * iBPB_FATSz32));
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TInt64 pos;
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pos = ((aCluster - 2) * iBPB_SecPerClus + FirstDataSector) * 512 ;
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return pos;
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}
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/**
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Return number of bytes into the FAT
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@param aFatIndex The Fat index
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@return The Fat position in bytes
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*/
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TInt CBaseTestFat32Base::PosInBytes(TInt aFatIndex)
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{
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TInt fatPosInBytes = -1;
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if(IsFileSystemFAT32())
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{
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gDiskType = EFat32;
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}
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switch (gDiskType)
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{
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case EFat32:
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fatPosInBytes=aFatIndex<<2;
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break;
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case EFat16:
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fatPosInBytes=aFatIndex<<1;
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break;
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case EFat12:
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fatPosInBytes=(aFatIndex*3>>1);
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break;
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default:
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break;
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}
|
|
444 |
return(fatPosInBytes);
|
|
445 |
}
|
|
446 |
|
|
447 |
|