888 lines
18 KiB
C++
888 lines
18 KiB
C++
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/*++
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Copyright (c) 1990 Microsoft Corporation
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Module Name:
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fatsa.hxx
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Abstract:
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--*/
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#ifndef FATSUPERA_DEFN
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#define FATSUPERA_DEFN
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#include "hmem.hxx"
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#include "supera.hxx"
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#include "message.hxx"
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#if defined ( _AUTOCHECK_ ) || defined( _EFICHECK_ )
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#define UFAT_EXPORT
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#elif defined ( _UFAT_MEMBER_ )
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#define UFAT_EXPORT __declspec(dllexport)
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#else
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#define UFAT_EXPORT __declspec(dllimport)
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#endif
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#define FAT_TYPE_UNKNOWN 42 // DRIVE where type wasn't known
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#define FAT_TYPE_FAT32 32 // FAT 32 with DWORD SCN and no EA
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#define FAT_TYPE_EAS_OKAY 16 // Fat drive with EA's OK
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//
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// Forward references
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//
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DECLARE_CLASS( ARRAY );
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DECLARE_CLASS( BITVECTOR );
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DECLARE_CLASS( EA_HEADER );
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DECLARE_CLASS( FAT );
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DECLARE_CLASS( FAT_SA );
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DECLARE_CLASS( FAT_DIRENT );
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DECLARE_CLASS( FATDIR );
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DECLARE_CLASS( GENERIC_STRING );
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#if !defined(_EFICHECK_)
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DECLARE_CLASS( INTSTACK );
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#endif
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DECLARE_CLASS( NUMBER_SET );
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DECLARE_CLASS( LOG_IO_DP_DRIVE );
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DECLARE_CLASS( MESSAGE );
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DECLARE_CLASS( ROOTDIR );
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DECLARE_CLASS( SORTED_LIST );
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DECLARE_CLASS( TIMEINFO );
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DECLARE_CLASS( WSTRING );
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DEFINE_POINTER_TYPES( PFATDIR );
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DECLARE_CLASS( FILEDIR );
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enum FATTYPE {
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SMALL, // 12 bit fat
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LARGE16, // 16 bit fat
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LARGE32, // 32 bit fat
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INVALID_FATTYPE // Invalid value
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};
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// the text for the oem data field
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#define OEMTEXT "MSDOS5.0"
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#define OEMTEXTLENGTH 8
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#define sigBOOTSTRAP (UCHAR)0x29 // boot strap signature
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CONST MaxSecPerClus = 128; // The maximum number of sectors per cluster.
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struct _EA_INFO {
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USHORT OwnHandle;
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ULONG PreceedingCn; // Clus num preceeding first cluster of set.
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ULONG LastCn; // The number of the last cluster in the set.
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STR OwnerFileName[14]; // Owner file name as found in ea set.
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UCHAR UsedCount; // Number of files using ea set.
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STR UserFileName[14]; // File name of ea set user.
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ULONG UserFileEntryCn; // Clus num of directory for file.
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ULONG UserFileEntryNumber; // Dirent num for file name.
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};
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DEFINE_TYPE( struct _EA_INFO, EA_INFO );
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struct _FATCHK_REPORT {
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ULONG HiddenEntriesCount;
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ULONG HiddenClusters;
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ULONG FileEntriesCount;
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ULONG FileClusters;
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ULONG DirEntriesCount;
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ULONG DirClusters;
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ULONG ExitStatus;
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};
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DEFINE_TYPE( struct _FATCHK_REPORT, FATCHK_REPORT );
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#if !defined(_EFICHECK_)
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struct _CENSUS_REPORT {
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ULONG FileEntriesCount;
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ULONG FileClusters;
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ULONG DirEntriesCount;
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ULONG DirClusters;
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ULONG EaClusters;
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};
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DEFINE_TYPE( struct _CENSUS_REPORT, CENSUS_REPORT );
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#endif
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class FAT_SA : public SUPERAREA {
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public:
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UFAT_EXPORT
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DECLARE_CONSTRUCTOR(FAT_SA);
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VIRTUAL
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UFAT_EXPORT
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~FAT_SA(
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);
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VIRTUAL
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BOOLEAN
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Initialize(
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IN OUT PLOG_IO_DP_DRIVE Drive,
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IN OUT PMESSAGE Message,
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IN BOOLEAN Formatted
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) PURE;
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VIRTUAL
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BOOLEAN
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Create(
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IN PCNUMBER_SET BadSectors,
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IN OUT PMESSAGE Message,
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IN PCWSTRING Label DEFAULT NULL,
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IN BOOLEAN BackwardCompatible DEFAULT TRUE,
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IN ULONG ClusterSize DEFAULT 0,
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IN ULONG VirtualSize DEFAULT 0
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) PURE;
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NONVIRTUAL
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BOOLEAN
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VerifyAndFix(
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IN FIX_LEVEL FixLevel,
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IN OUT PMESSAGE Message,
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IN ULONG Flags DEFAULT 0,
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IN ULONG LogFileSize DEFAULT 0,
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OUT PULONG ExitStatus DEFAULT NULL,
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IN PCWSTRING DriveLetter DEFAULT NULL
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);
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NONVIRTUAL
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BOOLEAN
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RecoverFile(
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IN PCWSTRING FullPathFileName,
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IN OUT PMESSAGE Message
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);
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NONVIRTUAL
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BOOLEAN
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Read(
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);
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VIRTUAL
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BOOLEAN
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Read(
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IN OUT PMESSAGE Message
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) PURE;
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NONVIRTUAL
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BOOLEAN
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Write(
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);
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VIRTUAL
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BOOLEAN
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Write(
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IN OUT PMESSAGE Message
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) PURE;
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NONVIRTUAL
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PFAT
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GetFat(
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);
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NONVIRTUAL
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PROOTDIR
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GetRootDir(
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);
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NONVIRTUAL
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PFILEDIR
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GetFileDir(
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);
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VIRTUAL
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USHORT
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QuerySectorsPerCluster(
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) CONST PURE;
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VIRTUAL
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ULONG
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QuerySectorsPerFat(
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) CONST PURE;
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VIRTUAL
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ULONG
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QueryVirtualSectors(
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) CONST PURE;
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VIRTUAL
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USHORT
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QueryFats(
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) CONST PURE;
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VIRTUAL
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PARTITION_SYSTEM_ID
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QuerySystemId(
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) CONST PURE;
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VIRTUAL
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LBN
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QueryStartDataLbn(
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) CONST PURE;
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VIRTUAL
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ULONG
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QueryClusterCount(
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) CONST PURE;
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NONVIRTUAL
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SECTORCOUNT
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QueryFreeSectors(
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) CONST;
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NONVIRTUAL
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FATTYPE
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QueryFatType(
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) CONST;
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VIRTUAL
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BYTE
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QueryVolumeFlags(
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) CONST PURE;
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VIRTUAL
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VOID
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SetVolumeFlags(
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BYTE Flags,
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BOOLEAN ResetFlags
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) PURE;
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VIRTUAL
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BOOLEAN
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RecoverChain(
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IN OUT PULONG StartingCluster,
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OUT PBOOLEAN ChangesMade,
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IN ULONG EndingCluster DEFAULT 0,
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IN BOOLEAN Replace DEFAULT FALSE
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) PURE;
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VIRTUAL
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BOOLEAN
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QueryLabel(
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OUT PWSTRING Label
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) CONST;
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NONVIRTUAL
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BOOLEAN
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QueryLabel(
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OUT PWSTRING Label,
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OUT PTIMEINFO TimeInfo
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) CONST;
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NONVIRTUAL
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BOOLEAN
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SetLabel(
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IN PCWSTRING NewLabel
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);
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NONVIRTUAL
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UFAT_EXPORT
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ULONG
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QueryFileStartingCluster(
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IN PCWSTRING FullPathFileName,
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OUT PHMEM Hmem DEFAULT NULL,
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OUT PPFATDIR Directory DEFAULT NULL,
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OUT PBOOLEAN DeleteDirectory DEFAULT NULL,
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OUT PFAT_DIRENT DirEntry DEFAULT NULL
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);
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#if !defined(_EFICHECK_)
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NONVIRTUAL
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UFAT_EXPORT
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BOOLEAN
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QueryCensusAndRelocate (
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OUT PCENSUS_REPORT CensusReport DEFAULT NULL,
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IN OUT PINTSTACK RelocationStack DEFAULT NULL,
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OUT PBOOLEAN Relocated DEFAULT NULL
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);
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#endif
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STATIC
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USHORT
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ComputeSecClus(
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IN SECTORCOUNT Sectors,
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IN FATTYPE FatType,
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#if defined(FE_SB) && defined(_X86_)
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IN MEDIA_TYPE MediaType,
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IN ULONG SectorSize = 512 /* FMR */
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#else
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IN MEDIA_TYPE MediaType
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#endif
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);
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VIRTUAL
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BOOLEAN
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IsCompressed(
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) CONST PURE;
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VIRTUAL
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BOOLEAN
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ReadSectorZero(
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) PURE;
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STATIC BOOLEAN
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FAT_SA::IsValidString(
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IN PCWSTRING String
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);
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//
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// These routines are used to access the CVF_EXTENSIONS on
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// FATDB, and they do the minimal thing on REAL_FAT.
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//
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VIRTUAL
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ULONG
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QuerySectorFromCluster(
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IN ULONG Cluster,
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OUT PUCHAR NumSectors DEFAULT NULL
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) PURE;
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VIRTUAL
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BOOLEAN
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IsClusterCompressed(
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IN ULONG Cluster
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) CONST PURE;
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VIRTUAL
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VOID
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SetClusterCompressed(
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IN ULONG Cluster,
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IN BOOLEAN fCompressed
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) PURE;
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VIRTUAL
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UCHAR
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QuerySectorsRequiredForPlainData(
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IN ULONG Cluster
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) PURE;
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//
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// These routines are used to manage the sector heap for
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// FATDB, and do nothing on REAL_FAT.
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//
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VIRTUAL
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BOOLEAN
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FreeClusterData(
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IN ULONG Cluster
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) PURE;
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VIRTUAL
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BOOLEAN
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AllocateClusterData(
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IN ULONG Cluster,
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IN UCHAR NumSectors,
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IN BOOLEAN bCompressed,
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IN UCHAR PlainSize
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) PURE;
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protected:
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PFAT _fat; // Pointer to FAT;
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FATTYPE _ft; // fat type required by area
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PROOTDIR _dir; // Pointer to Root directory
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PFILEDIR _dirF32; // Pointer to FAT 32 Root dir
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PHMEM _hmem_F32; // Pointer to the Fat 32 Root dir data
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VIRTUAL
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BOOLEAN
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SetBpb(
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) PURE;
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VIRTUAL
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ULONG
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SecPerBoot(
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) PURE;
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VIRTUAL
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VOLID
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QueryVolId(
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) CONST PURE;
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VIRTUAL
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VOLID
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SetVolId(
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IN VOLID VolId
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) PURE;
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VIRTUAL
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UCHAR
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QueryMediaByte(
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) CONST PURE;
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VIRTUAL
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VOID
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SetMediaByte(
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UCHAR MediaByte
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) PURE;
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NONVIRTUAL
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PARTITION_SYSTEM_ID
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ComputeSystemId(
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) CONST;
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NONVIRTUAL
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FATTYPE
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ComputeFatType(
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) CONST;
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NONVIRTUAL
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BOOLEAN
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RecoverOrphans(
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IN OUT PBITVECTOR FatBitMap,
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IN FIX_LEVEL FixLevel,
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IN OUT PMESSAGE Message,
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IN OUT PBOOLEAN NeedErrorsMessage,
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IN OUT PFATCHK_REPORT Report,
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OUT PBOOLEAN Changes
|
||
|
|
);
|
||
|
|
|
||
|
|
VIRTUAL
|
||
|
|
BOOLEAN
|
||
|
|
VerifyFatExtensions(
|
||
|
|
IN FIX_LEVEL FixLevel,
|
||
|
|
IN PMESSAGE Message,
|
||
|
|
IN PBOOLEAN pfNeedMsg
|
||
|
|
) PURE;
|
||
|
|
|
||
|
|
VIRTUAL
|
||
|
|
VOID
|
||
|
|
SetFat32RootDirStartingCluster (
|
||
|
|
IN ULONG RootCluster
|
||
|
|
) PURE;
|
||
|
|
|
||
|
|
VIRTUAL
|
||
|
|
ULONG
|
||
|
|
QueryFat32RootDirStartingCluster (
|
||
|
|
) PURE;
|
||
|
|
|
||
|
|
VIRTUAL
|
||
|
|
BOOLEAN
|
||
|
|
CheckSectorHeapAllocation(
|
||
|
|
IN FIX_LEVEL FixLevel,
|
||
|
|
IN PMESSAGE Message,
|
||
|
|
IN PBOOLEAN pfNeedMsg
|
||
|
|
) PURE;
|
||
|
|
|
||
|
|
private:
|
||
|
|
|
||
|
|
NONVIRTUAL
|
||
|
|
VOID
|
||
|
|
Construct(
|
||
|
|
);
|
||
|
|
|
||
|
|
NONVIRTUAL
|
||
|
|
VOID
|
||
|
|
Destroy(
|
||
|
|
);
|
||
|
|
|
||
|
|
NONVIRTUAL
|
||
|
|
ULONG
|
||
|
|
ComputeRootEntries(
|
||
|
|
) CONST;
|
||
|
|
|
||
|
|
NONVIRTUAL
|
||
|
|
BOOLEAN
|
||
|
|
PerformEaLogOperations(
|
||
|
|
IN ULONG EaFileCn,
|
||
|
|
IN FIX_LEVEL FixLevel,
|
||
|
|
IN OUT PMESSAGE Message,
|
||
|
|
IN OUT PBOOLEAN NeedErrorsMessage
|
||
|
|
);
|
||
|
|
|
||
|
|
NONVIRTUAL
|
||
|
|
PEA_INFO
|
||
|
|
RecoverEaSets(
|
||
|
|
IN ULONG EaFileCn,
|
||
|
|
OUT PUSHORT NumEas,
|
||
|
|
IN FIX_LEVEL FixLevel,
|
||
|
|
IN OUT PMESSAGE Message,
|
||
|
|
IN OUT PBOOLEAN NeedErrorsMessage
|
||
|
|
);
|
||
|
|
|
||
|
|
NONVIRTUAL
|
||
|
|
ULONG
|
||
|
|
VerifyAndFixEaSet(
|
||
|
|
IN ULONG PreceedingCluster,
|
||
|
|
OUT PEA_INFO EaInfo,
|
||
|
|
IN FIX_LEVEL FixLevel,
|
||
|
|
IN OUT PMESSAGE Message,
|
||
|
|
IN OUT PBOOLEAN NeedErrorsMessage
|
||
|
|
);
|
||
|
|
|
||
|
|
NONVIRTUAL
|
||
|
|
BOOLEAN
|
||
|
|
VerifyAndFixFat32RootDir (
|
||
|
|
IN OUT PBITVECTOR FatBitMap,
|
||
|
|
IN PMESSAGE Message,
|
||
|
|
IN OUT PFATCHK_REPORT Report,
|
||
|
|
IN OUT PBOOLEAN NeedErrorMessage
|
||
|
|
);
|
||
|
|
|
||
|
|
NONVIRTUAL
|
||
|
|
BOOLEAN
|
||
|
|
RelocateNewFat32RootDirectory (
|
||
|
|
IN OUT PFATCHK_REPORT Report,
|
||
|
|
IN OUT PBITVECTOR FatBitMap,
|
||
|
|
IN PMESSAGE Message
|
||
|
|
);
|
||
|
|
|
||
|
|
NONVIRTUAL
|
||
|
|
BOOLEAN
|
||
|
|
EaSort(
|
||
|
|
IN OUT PEA_INFO EaInfos,
|
||
|
|
IN ULONG NumEas,
|
||
|
|
IN OUT PMESSAGE Message,
|
||
|
|
IN OUT PBOOLEAN NeedErrorsMessage
|
||
|
|
);
|
||
|
|
|
||
|
|
NONVIRTUAL
|
||
|
|
BOOLEAN
|
||
|
|
RebuildEaHeader(
|
||
|
|
IN OUT PULONG StartingCluster,
|
||
|
|
IN OUT PEA_INFO EaInfos,
|
||
|
|
IN ULONG NumEas,
|
||
|
|
IN OUT PMEM EaHeaderMem,
|
||
|
|
OUT PEA_HEADER EaHeader,
|
||
|
|
IN OUT PBITVECTOR FatBitMap,
|
||
|
|
IN FIX_LEVEL FixLevel,
|
||
|
|
IN OUT PMESSAGE Message,
|
||
|
|
IN OUT PBOOLEAN NeedErrorsMessage
|
||
|
|
);
|
||
|
|
|
||
|
|
NONVIRTUAL
|
||
|
|
BOOLEAN
|
||
|
|
WalkDirectoryTree(
|
||
|
|
IN OUT PEA_INFO EaInfos,
|
||
|
|
IN OUT PUSHORT NumEas,
|
||
|
|
IN OUT PBITVECTOR FatBitMap,
|
||
|
|
OUT PFATCHK_REPORT Report,
|
||
|
|
IN FIX_LEVEL FixLevel,
|
||
|
|
IN BOOLEAN RecoverAlloc,
|
||
|
|
IN OUT PMESSAGE Message,
|
||
|
|
IN BOOLEAN Verbose,
|
||
|
|
IN OUT PBOOLEAN NeedErrorsMessage
|
||
|
|
);
|
||
|
|
|
||
|
|
NONVIRTUAL
|
||
|
|
BOOLEAN
|
||
|
|
ValidateDirent(
|
||
|
|
IN OUT PFAT_DIRENT Dirent,
|
||
|
|
IN PCWSTRING FilePath,
|
||
|
|
IN FIX_LEVEL FixLevel,
|
||
|
|
IN BOOLEAN RecoverAlloc,
|
||
|
|
IN OUT PMESSAGE Message,
|
||
|
|
IN OUT PBOOLEAN NeedErrorsMessage,
|
||
|
|
IN OUT PBITVECTOR FatBitMap,
|
||
|
|
OUT PBOOLEAN CrossLinkDetected,
|
||
|
|
OUT PULONG CrossLinkPreviousCluster,
|
||
|
|
OUT PULONG ExitStatus
|
||
|
|
);
|
||
|
|
|
||
|
|
NONVIRTUAL
|
||
|
|
BOOLEAN
|
||
|
|
EraseEaHandle(
|
||
|
|
IN PEA_INFO EaInfos,
|
||
|
|
IN USHORT NumEasLeft,
|
||
|
|
IN USHORT NumEas,
|
||
|
|
IN FIX_LEVEL FixLevel,
|
||
|
|
IN OUT PMESSAGE Message
|
||
|
|
);
|
||
|
|
|
||
|
|
NONVIRTUAL
|
||
|
|
BOOLEAN
|
||
|
|
ValidateEaHandle(
|
||
|
|
IN OUT PFAT_DIRENT Dirent,
|
||
|
|
IN ULONG DirClusterNumber,
|
||
|
|
IN ULONG DirEntryNumber,
|
||
|
|
IN OUT PEA_INFO EaInfos,
|
||
|
|
IN USHORT NumEas,
|
||
|
|
IN PCWSTRING FilePath,
|
||
|
|
IN FIX_LEVEL FixLevel,
|
||
|
|
IN OUT PMESSAGE Message,
|
||
|
|
IN OUT PBOOLEAN NeedErrorsMessage
|
||
|
|
);
|
||
|
|
|
||
|
|
NONVIRTUAL
|
||
|
|
BOOLEAN
|
||
|
|
CopyClusters(
|
||
|
|
IN ULONG SourceChain,
|
||
|
|
OUT PULONG DestChain,
|
||
|
|
IN OUT PBITVECTOR FatBitMap,
|
||
|
|
IN FIX_LEVEL FixLevel,
|
||
|
|
IN OUT PMESSAGE Message
|
||
|
|
);
|
||
|
|
|
||
|
|
NONVIRTUAL
|
||
|
|
BOOLEAN
|
||
|
|
ValidateDirent(
|
||
|
|
IN OUT PFAT_DIRENT Dirent,
|
||
|
|
IN PCWSTRING FilePath,
|
||
|
|
IN FIX_LEVEL FixLevel,
|
||
|
|
IN BOOLEAN RecoverAlloc,
|
||
|
|
IN OUT PMESSAGE Message,
|
||
|
|
IN OUT PBOOLEAN NeedErrorsMessage,
|
||
|
|
IN OUT PBITVECTOR FatBitMap,
|
||
|
|
OUT PBOOLEAN CrossLinkDetected,
|
||
|
|
OUT PUSHORT CrossLinkPreviousCluster,
|
||
|
|
OUT PULONG ExitStatus
|
||
|
|
);
|
||
|
|
|
||
|
|
NONVIRTUAL
|
||
|
|
BOOLEAN
|
||
|
|
ValidateEaHandle(
|
||
|
|
IN OUT PFAT_DIRENT Dirent,
|
||
|
|
IN USHORT DirClusterNumber,
|
||
|
|
IN ULONG DirEntryNumber,
|
||
|
|
IN OUT PEA_INFO EaInfos,
|
||
|
|
IN USHORT NumEas,
|
||
|
|
IN PCWSTRING FilePath,
|
||
|
|
IN FIX_LEVEL FixLevel,
|
||
|
|
IN OUT PMESSAGE Message,
|
||
|
|
IN OUT PBOOLEAN NeedErrorsMessage
|
||
|
|
);
|
||
|
|
|
||
|
|
NONVIRTUAL
|
||
|
|
BOOLEAN
|
||
|
|
CopyClusters(
|
||
|
|
IN USHORT SourceChain,
|
||
|
|
OUT PUSHORT DestChain,
|
||
|
|
IN OUT PBITVECTOR FatBitMap,
|
||
|
|
IN FIX_LEVEL FixLevel,
|
||
|
|
IN OUT PMESSAGE Message
|
||
|
|
);
|
||
|
|
|
||
|
|
NONVIRTUAL
|
||
|
|
BOOLEAN
|
||
|
|
PurgeEaFile(
|
||
|
|
IN PEA_INFO EaInfos,
|
||
|
|
IN USHORT NumEas,
|
||
|
|
IN OUT PBITVECTOR FatBitMap,
|
||
|
|
IN FIX_LEVEL FixLevel,
|
||
|
|
IN OUT PMESSAGE Message,
|
||
|
|
IN OUT PBOOLEAN NeedErrorsMessage
|
||
|
|
);
|
||
|
|
|
||
|
|
#if !defined(_EFICHECK_)
|
||
|
|
NONVIRTUAL
|
||
|
|
BOOLEAN
|
||
|
|
InitRelocationList(
|
||
|
|
IN OUT PINTSTACK RelocationStack,
|
||
|
|
IN OUT PULONG RelocatedChain,
|
||
|
|
IN OUT PSORTED_LIST ClustersToRelocate,
|
||
|
|
OUT PBOOLEAN Relocated
|
||
|
|
);
|
||
|
|
|
||
|
|
NONVIRTUAL
|
||
|
|
BOOLEAN
|
||
|
|
RelocateFirstCluster(
|
||
|
|
IN OUT PFAT_DIRENT Dirent
|
||
|
|
);
|
||
|
|
|
||
|
|
NONVIRTUAL
|
||
|
|
ULONG
|
||
|
|
RelocateOneCluster(
|
||
|
|
IN ULONG Cluster,
|
||
|
|
IN ULONG Previous
|
||
|
|
);
|
||
|
|
|
||
|
|
NONVIRTUAL
|
||
|
|
BOOLEAN
|
||
|
|
DoDirectoryCensusAndRelocation(
|
||
|
|
IN OUT PFATDIR Directory,
|
||
|
|
IN OUT PCENSUS_REPORT CensusReport,
|
||
|
|
IN OUT PSORTED_LIST ClustersToRelocate,
|
||
|
|
IN OUT PULONG RelocatedChain,
|
||
|
|
OUT PBOOLEAN Relocated
|
||
|
|
);
|
||
|
|
|
||
|
|
NONVIRTUAL
|
||
|
|
BOOLEAN
|
||
|
|
DoVolumeCensusAndRelocation(
|
||
|
|
IN OUT PCENSUS_REPORT CensusReport,
|
||
|
|
IN OUT PSORTED_LIST ClustersToRelocate,
|
||
|
|
IN OUT PULONG RelocatedChain,
|
||
|
|
OUT PBOOLEAN Relocated
|
||
|
|
);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
NONVIRTUAL
|
||
|
|
BOOLEAN
|
||
|
|
RecoverFreeSpace(
|
||
|
|
IN OUT PMESSAGE Message
|
||
|
|
);
|
||
|
|
|
||
|
|
NONVIRTUAL
|
||
|
|
BOOLEAN
|
||
|
|
AllocSectorsForChain(
|
||
|
|
IN ULONG StartingCluster
|
||
|
|
);
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
INLINE
|
||
|
|
BOOLEAN
|
||
|
|
FAT_SA::Read(
|
||
|
|
)
|
||
|
|
/*++
|
||
|
|
|
||
|
|
Routine Description:
|
||
|
|
|
||
|
|
This routine simply calls the other read with the default message
|
||
|
|
object.
|
||
|
|
|
||
|
|
Arguments:
|
||
|
|
|
||
|
|
None.
|
||
|
|
|
||
|
|
Return Value:
|
||
|
|
|
||
|
|
FALSE - Failure.
|
||
|
|
TRUE - Success.
|
||
|
|
|
||
|
|
--*/
|
||
|
|
{
|
||
|
|
MESSAGE msg;
|
||
|
|
|
||
|
|
return Read(&msg);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
INLINE
|
||
|
|
BOOLEAN
|
||
|
|
FAT_SA::Write(
|
||
|
|
)
|
||
|
|
/*++
|
||
|
|
|
||
|
|
Routine Description:
|
||
|
|
|
||
|
|
This routine simply calls the other write with the default message
|
||
|
|
object.
|
||
|
|
|
||
|
|
Arguments:
|
||
|
|
|
||
|
|
None.
|
||
|
|
|
||
|
|
Return Value:
|
||
|
|
|
||
|
|
FALSE - Failure.
|
||
|
|
TRUE - Success.
|
||
|
|
|
||
|
|
--*/
|
||
|
|
{
|
||
|
|
MESSAGE msg;
|
||
|
|
|
||
|
|
return Write(&msg);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
INLINE
|
||
|
|
PFAT
|
||
|
|
FAT_SA::GetFat(
|
||
|
|
)
|
||
|
|
/*++
|
||
|
|
|
||
|
|
Routine Description:
|
||
|
|
|
||
|
|
This routine returns a pointer to the FAT maintained by this class.
|
||
|
|
It is not necessary to read or write this FAT since it shares memory
|
||
|
|
with the FAT_SA class and thus performing FAT_SA::Read will read in
|
||
|
|
the FAT and performing FAT_SA::Write will write the FAT. Additionally,
|
||
|
|
performing a FAT_SA::Write will duplicate the information in the local
|
||
|
|
FAT object to all other FATs on the disk.
|
||
|
|
|
||
|
|
Arguments:
|
||
|
|
|
||
|
|
None.
|
||
|
|
|
||
|
|
Return Value:
|
||
|
|
|
||
|
|
A pointer to the FAT super area's FAT.
|
||
|
|
|
||
|
|
--*/
|
||
|
|
{
|
||
|
|
return _fat;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
INLINE
|
||
|
|
PROOTDIR
|
||
|
|
FAT_SA::GetRootDir(
|
||
|
|
)
|
||
|
|
/*++
|
||
|
|
|
||
|
|
Routine Description:
|
||
|
|
|
||
|
|
This routine return a pointer to the FAT super area's root directory.
|
||
|
|
The memory of this root directory is shared with the FAT super area.
|
||
|
|
Hence, as with 'GetFat' it is not necessary to read or write the
|
||
|
|
root directory returned by this routine if a FAT_SA::Read or
|
||
|
|
FAT_SA::Write is being performed respecively.
|
||
|
|
|
||
|
|
Arguments:
|
||
|
|
|
||
|
|
None.
|
||
|
|
|
||
|
|
Return Value:
|
||
|
|
|
||
|
|
A pointer to the FAT super area's root directory.
|
||
|
|
|
||
|
|
--*/
|
||
|
|
{
|
||
|
|
return _dir;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
INLINE
|
||
|
|
PFILEDIR
|
||
|
|
FAT_SA::GetFileDir(
|
||
|
|
)
|
||
|
|
/*++
|
||
|
|
|
||
|
|
Routine Description:
|
||
|
|
|
||
|
|
This routine return a pointer to the FAT super area's root directory.
|
||
|
|
The memory of this root directory is shared with the FAT super area.
|
||
|
|
Hence, as with 'GetFat' it is not necessary to read or write the
|
||
|
|
root directory returned by this routine if a FAT_SA::Read or
|
||
|
|
FAT_SA::Write is being performed respecively.
|
||
|
|
|
||
|
|
NOTE: Compiler refused to let me return either type FILE or ROOT DIR
|
||
|
|
as a FATDIR from GetRootDir() above, so I made this parallel function,
|
||
|
|
and coded a call to both in the FAT 32 cases that called GetRootDir.
|
||
|
|
|
||
|
|
Arguments:
|
||
|
|
|
||
|
|
None.
|
||
|
|
|
||
|
|
Return Value:
|
||
|
|
|
||
|
|
A pointer to the FAT 32 super area's FILEDIR type root directory.
|
||
|
|
|
||
|
|
--*/
|
||
|
|
{
|
||
|
|
return _dirF32;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
extern BOOLEAN
|
||
|
|
IsValidString(
|
||
|
|
IN PCWSTRING String
|
||
|
|
);
|
||
|
|
|
||
|
|
#endif // FATSUPERA_DEFN
|
||
|
|
|
||
|
|
extern VOID
|
||
|
|
dofmsg(
|
||
|
|
IN PMESSAGE Message,
|
||
|
|
IN OUT PBOOLEAN NeedErrorsMessage
|
||
|
|
);
|