You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
1078 lines
16 KiB
1078 lines
16 KiB
/*++
|
|
|
|
Copyright (c) 1990 Microsoft Corporation
|
|
|
|
Module Name:
|
|
|
|
fatdent.hxx
|
|
|
|
Abstract:
|
|
|
|
This class models a FAT directory entry.
|
|
|
|
--*/
|
|
|
|
#ifndef MAKEULONG
|
|
#define MAKEULONG(a, b) ((ULONG)(((USHORT)(a)) | ((ULONG)((USHORT)(b))) << 16))
|
|
#define LOUSHORT(l) ((USHORT)(l & 0xFFFF))
|
|
#define HIUSHORT(l) ((USHORT)(((l) >> 16) & 0xFFFF))
|
|
#endif // !MAKEULONG
|
|
|
|
#if !defined(FAT_DIRENT_DEFN)
|
|
|
|
#define FAT_DIRENT_DEFN
|
|
|
|
#if defined ( _AUTOCHECK_ ) || defined( _EFICHECK_ )
|
|
#define UFAT_EXPORT
|
|
#elif defined ( _UFAT_MEMBER_ )
|
|
#define UFAT_EXPORT __declspec(dllexport)
|
|
#else
|
|
#define UFAT_EXPORT __declspec(dllimport)
|
|
#endif
|
|
|
|
DECLARE_CLASS( FAT_DIRENT );
|
|
DECLARE_CLASS( WSTRING );
|
|
DECLARE_CLASS( WSTRING );
|
|
DECLARE_CLASS( TIMEINFO );
|
|
|
|
typedef struct _SHORT_FAT_DIRENT {
|
|
|
|
UCHAR Name[11];
|
|
UCHAR Attributes[1];
|
|
UCHAR NtByte[1];
|
|
UCHAR CreationMSec[1]; // actually count of 10msec's
|
|
UCHAR CreationTime[2]; // two-second resolution
|
|
UCHAR CreationDate[2];
|
|
UCHAR LastAccessDate[2];
|
|
UCHAR EaHandle[2];
|
|
UCHAR LastWriteTime[2];
|
|
UCHAR LastWriteDate[2];
|
|
UCHAR FirstCluster[2];
|
|
UCHAR Size[4];
|
|
};
|
|
|
|
DEFINE_TYPE( _SHORT_FAT_DIRENT, SHORT_FAT_DIRENT );
|
|
|
|
typedef struct _LONG_FAT_DIRENT {
|
|
|
|
UCHAR Ordinal[1];
|
|
UCHAR Name1[10];
|
|
UCHAR Attribute[1];
|
|
UCHAR Type[1];
|
|
UCHAR Checksum[1];
|
|
UCHAR Name2[12];
|
|
UCHAR FirstCluster[2];
|
|
UCHAR Name3[4];
|
|
};
|
|
|
|
DEFINE_TYPE( _LONG_FAT_DIRENT, LONG_FAT_DIRENT );
|
|
|
|
#define LONG_DIRENT_TYPE_NAME 0
|
|
#define LONG_DIRENT_TYPE_CLASS 1
|
|
|
|
class FAT_DIRENT : public OBJECT {
|
|
|
|
public:
|
|
|
|
|
|
UFAT_EXPORT
|
|
DECLARE_CONSTRUCTOR( FAT_DIRENT );
|
|
|
|
VIRTUAL
|
|
UFAT_EXPORT
|
|
~FAT_DIRENT(
|
|
);
|
|
|
|
NONVIRTUAL
|
|
UFAT_EXPORT
|
|
BOOLEAN
|
|
Initialize(
|
|
IN OUT PVOID Dirent
|
|
);
|
|
|
|
NONVIRTUAL
|
|
UFAT_EXPORT
|
|
BOOLEAN
|
|
Initialize(
|
|
IN OUT PVOID Dirent,
|
|
IN UCHAR FatType
|
|
);
|
|
|
|
NONVIRTUAL
|
|
VOID
|
|
Clear(
|
|
);
|
|
|
|
NONVIRTUAL
|
|
UFAT_EXPORT
|
|
BOOLEAN
|
|
QueryName(
|
|
OUT PWSTRING Name
|
|
) CONST;
|
|
|
|
NONVIRTUAL
|
|
BOOLEAN
|
|
SetName(
|
|
IN PCWSTRING Name
|
|
);
|
|
|
|
NONVIRTUAL
|
|
BOOLEAN
|
|
IsValidName(
|
|
) CONST;
|
|
|
|
NONVIRTUAL
|
|
BOOLEAN
|
|
IsDot(
|
|
) CONST;
|
|
|
|
NONVIRTUAL
|
|
BOOLEAN
|
|
IsDotDot(
|
|
) CONST;
|
|
|
|
NONVIRTUAL
|
|
BYTE
|
|
QueryAttributeByte(
|
|
) CONST;
|
|
|
|
NONVIRTUAL
|
|
UFAT_EXPORT
|
|
BOOLEAN
|
|
IsValidLastWriteTime(
|
|
) CONST;
|
|
|
|
NONVIRTUAL
|
|
UFAT_EXPORT
|
|
BOOLEAN
|
|
QueryLastWriteTime(
|
|
OUT LARGE_INTEGER *TimeStamp
|
|
) CONST;
|
|
|
|
NONVIRTUAL
|
|
BOOLEAN
|
|
SetLastWriteTime(
|
|
);
|
|
|
|
NONVIRTUAL
|
|
UFAT_EXPORT
|
|
BOOLEAN
|
|
IsValidCreationTime(
|
|
) CONST;
|
|
|
|
NONVIRTUAL
|
|
UFAT_EXPORT
|
|
BOOLEAN
|
|
QueryCreationTime(
|
|
OUT LARGE_INTEGER *TimeStamp
|
|
) CONST;
|
|
|
|
NONVIRTUAL
|
|
BOOLEAN
|
|
SetCreationTime(
|
|
);
|
|
|
|
NONVIRTUAL
|
|
UFAT_EXPORT
|
|
BOOLEAN
|
|
IsValidLastAccessTime(
|
|
) CONST;
|
|
|
|
NONVIRTUAL
|
|
UFAT_EXPORT
|
|
BOOLEAN
|
|
QueryLastAccessTime(
|
|
OUT LARGE_INTEGER *TimeStamp
|
|
) CONST;
|
|
|
|
NONVIRTUAL
|
|
BOOLEAN
|
|
SetLastAccessTime(
|
|
);
|
|
|
|
NONVIRTUAL
|
|
ULONG
|
|
QueryStartingCluster(
|
|
) CONST;
|
|
|
|
NONVIRTUAL
|
|
VOID
|
|
SetStartingCluster(
|
|
IN ULONG NewStartingCluster
|
|
);
|
|
|
|
NONVIRTUAL
|
|
ULONG
|
|
QueryFileSize(
|
|
) CONST;
|
|
|
|
NONVIRTUAL
|
|
VOID
|
|
SetFileSize(
|
|
IN ULONG NewFileSize
|
|
);
|
|
|
|
NONVIRTUAL
|
|
USHORT
|
|
QueryEaHandle(
|
|
) CONST;
|
|
|
|
NONVIRTUAL
|
|
VOID
|
|
SetEaHandle(
|
|
IN USHORT NewHandle
|
|
);
|
|
|
|
NONVIRTUAL
|
|
BOOLEAN
|
|
IsEndOfDirectory(
|
|
) CONST;
|
|
|
|
NONVIRTUAL
|
|
VOID
|
|
SetEndOfDirectory(
|
|
);
|
|
|
|
NONVIRTUAL
|
|
BOOLEAN
|
|
IsErased(
|
|
) CONST;
|
|
|
|
NONVIRTUAL
|
|
VOID
|
|
SetErased(
|
|
);
|
|
|
|
NONVIRTUAL
|
|
BOOLEAN
|
|
IsHidden(
|
|
) CONST;
|
|
|
|
NONVIRTUAL
|
|
BOOLEAN
|
|
IsSystem(
|
|
) CONST;
|
|
|
|
NONVIRTUAL
|
|
BOOLEAN
|
|
IsVolumeLabel(
|
|
) CONST;
|
|
|
|
NONVIRTUAL
|
|
VOID
|
|
SetVolumeLabel(
|
|
);
|
|
|
|
NONVIRTUAL
|
|
BOOLEAN
|
|
IsDirectory(
|
|
) CONST;
|
|
|
|
NONVIRTUAL
|
|
VOID
|
|
SetDirectory(
|
|
);
|
|
|
|
NONVIRTUAL
|
|
VOID
|
|
ResetDirectory(
|
|
);
|
|
|
|
NONVIRTUAL
|
|
UCHAR
|
|
QueryChecksum(
|
|
) CONST;
|
|
|
|
NONVIRTUAL
|
|
BOOLEAN
|
|
Is8LowerCase(
|
|
) CONST;
|
|
|
|
|
|
NONVIRTUAL
|
|
BOOLEAN
|
|
Is3LowerCase(
|
|
) CONST;
|
|
|
|
NONVIRTUAL
|
|
BOOLEAN
|
|
IsLongEntry(
|
|
) CONST;
|
|
|
|
NONVIRTUAL
|
|
BOOLEAN
|
|
IsLongNameEntry(
|
|
) CONST;
|
|
|
|
NONVIRTUAL
|
|
BOOLEAN
|
|
QueryLongOrdinal(
|
|
) CONST;
|
|
|
|
NONVIRTUAL
|
|
BOOLEAN
|
|
IsLastLongEntry(
|
|
) CONST;
|
|
|
|
NONVIRTUAL
|
|
BOOLEAN
|
|
IsWellTerminatedLongNameEntry(
|
|
) CONST;
|
|
|
|
NONVIRTUAL
|
|
BOOLEAN
|
|
QueryLongNameComponent(
|
|
OUT PWSTRING NameComponent
|
|
) CONST;
|
|
|
|
NONVIRTUAL
|
|
BOOLEAN
|
|
NameHasTilde(
|
|
) CONST;
|
|
|
|
|
|
NONVIRTUAL
|
|
BOOLEAN
|
|
NameHasExtendedChars(
|
|
) CONST;
|
|
|
|
private:
|
|
|
|
NONVIRTUAL
|
|
BOOLEAN
|
|
TimeStampsAreValid(
|
|
USHORT t,
|
|
USHORT d
|
|
) CONST;
|
|
|
|
NONVIRTUAL
|
|
VOID
|
|
Construct(
|
|
);
|
|
|
|
NONVIRTUAL
|
|
VOID
|
|
Destroy(
|
|
);
|
|
|
|
PUCHAR _dirent;
|
|
UCHAR _FatType;
|
|
|
|
|
|
};
|
|
|
|
|
|
INLINE
|
|
VOID
|
|
FAT_DIRENT::Clear(
|
|
)
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
This routine zeros out the directory entry.
|
|
|
|
Arguments:
|
|
|
|
None.
|
|
|
|
Return Value:
|
|
|
|
None.
|
|
|
|
--*/
|
|
{
|
|
memset(_dirent, 0, 32);
|
|
}
|
|
|
|
|
|
INLINE
|
|
BOOLEAN
|
|
FAT_DIRENT::IsDot(
|
|
) CONST
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
This routine computes whether or not the directory entry is the "."
|
|
entry.
|
|
|
|
Arguments:
|
|
|
|
None.
|
|
|
|
Return Value:
|
|
|
|
FALSE - The entry is not the "." entry.
|
|
TRUE - The entry is the "." entry.
|
|
|
|
--*/
|
|
{
|
|
return !memcmp(_dirent, ". ", 11);
|
|
}
|
|
|
|
|
|
INLINE
|
|
BOOLEAN
|
|
FAT_DIRENT::IsDotDot(
|
|
) CONST
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
This routine computes whether or not the directory entry is the ".."
|
|
entry.
|
|
|
|
Arguments:
|
|
|
|
None.
|
|
|
|
Return Value:
|
|
|
|
FALSE - The entry is not the ".." entry.
|
|
TRUE - The entry is the ".." entry.
|
|
|
|
--*/
|
|
{
|
|
return !memcmp(_dirent, ".. ", 11);
|
|
}
|
|
|
|
|
|
INLINE
|
|
ULONG
|
|
FAT_DIRENT::QueryStartingCluster(
|
|
) CONST
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
This routine computes the starting cluster number of the directory entry.
|
|
|
|
Arguments:
|
|
|
|
None.
|
|
|
|
Return Value:
|
|
|
|
The starting cluster number of the directory entry.
|
|
|
|
--*/
|
|
{
|
|
DebugAssert(_dirent);
|
|
ULONG dwSCN;
|
|
|
|
if ( FAT_TYPE_FAT32 == _FatType )
|
|
dwSCN = MAKEULONG( (*((PUSHORT) &_dirent[26])), (*((PUSHORT) &_dirent[20])));
|
|
else
|
|
dwSCN = *((PUSHORT) &_dirent[26]);
|
|
return dwSCN;
|
|
}
|
|
|
|
|
|
INLINE
|
|
VOID
|
|
FAT_DIRENT::SetStartingCluster(
|
|
IN ULONG NewStartingCluster
|
|
)
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
This routine sets the starting cluster number for the directory entry.
|
|
|
|
Arguments:
|
|
|
|
NewStartingCluster - Supplies the starting cluster number for the
|
|
directory entry.
|
|
|
|
Return Value:
|
|
|
|
None.
|
|
|
|
--*/
|
|
{
|
|
DebugAssert(_dirent);
|
|
|
|
if ( FAT_TYPE_FAT32 == _FatType )
|
|
*((PUSHORT) &_dirent[20]) = HIUSHORT( NewStartingCluster );
|
|
*((PUSHORT) &_dirent[26]) = LOUSHORT( NewStartingCluster );
|
|
}
|
|
|
|
|
|
INLINE
|
|
ULONG
|
|
FAT_DIRENT::QueryFileSize(
|
|
) CONST
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
This routine returns the number of bytes in the file.
|
|
|
|
Arguments:
|
|
|
|
None.
|
|
|
|
Return Value:
|
|
|
|
The number of bytes in the file.
|
|
|
|
--*/
|
|
{
|
|
DebugAssert(_dirent);
|
|
return *((PULONG) &_dirent[28]);
|
|
}
|
|
|
|
|
|
INLINE
|
|
VOID
|
|
FAT_DIRENT::SetFileSize(
|
|
IN ULONG NewFileSize
|
|
)
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
This routine sets the file size in the directory entry.
|
|
|
|
Arguments:
|
|
|
|
NewFileSize - Supplies the new file size.
|
|
|
|
Return Value:
|
|
|
|
None.
|
|
|
|
--*/
|
|
{
|
|
DebugAssert(_dirent);
|
|
*((PULONG) &_dirent[28]) = NewFileSize;
|
|
}
|
|
|
|
|
|
INLINE
|
|
USHORT
|
|
FAT_DIRENT::QueryEaHandle(
|
|
) CONST
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
This routine returns the EA handle for the file.
|
|
|
|
Arguments:
|
|
|
|
None.
|
|
|
|
Return Value:
|
|
|
|
The EA handle for the file.
|
|
|
|
--*/
|
|
{
|
|
DebugAssert(_dirent);
|
|
|
|
if ( FAT_TYPE_FAT32 == _FatType )
|
|
return ( 0 );
|
|
else
|
|
return *((PUSHORT) &_dirent[20]);
|
|
}
|
|
|
|
|
|
INLINE
|
|
VOID
|
|
FAT_DIRENT::SetEaHandle(
|
|
IN USHORT NewHandle
|
|
)
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
This routine sets the EA handle for the file.
|
|
|
|
Arguments:
|
|
|
|
NewHandle - Supplies the EA handle for the file.
|
|
|
|
Return Value:
|
|
|
|
None.
|
|
|
|
--*/
|
|
{
|
|
DebugAssert(_dirent);
|
|
*((PUSHORT) &_dirent[20]) = NewHandle;
|
|
}
|
|
|
|
|
|
INLINE
|
|
BOOLEAN
|
|
FAT_DIRENT::IsEndOfDirectory(
|
|
) CONST
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
This routine computes whether or not this directory entry marks
|
|
the end of the directory.
|
|
|
|
Arguments:
|
|
|
|
None.
|
|
|
|
Return Value:
|
|
|
|
FALSE - This entry does not mark the end of the directory.
|
|
TRUE - This entry marks the end of the directory.
|
|
|
|
--*/
|
|
{
|
|
DebugAssert(_dirent);
|
|
return _dirent[0] ? FALSE : TRUE;
|
|
}
|
|
|
|
|
|
INLINE
|
|
VOID
|
|
FAT_DIRENT::SetEndOfDirectory(
|
|
)
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
This routine sets this directory entry marks to the end of the
|
|
directory.
|
|
|
|
Arguments:
|
|
|
|
None.
|
|
|
|
Return Value:
|
|
|
|
None.
|
|
|
|
--*/
|
|
{
|
|
DebugAssert(_dirent);
|
|
_dirent[0] = 0;
|
|
}
|
|
|
|
|
|
INLINE
|
|
BOOLEAN
|
|
FAT_DIRENT::IsErased(
|
|
) CONST
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
This routine computes whether or not the directory entry is erased or not.
|
|
|
|
Arguments:
|
|
|
|
None.
|
|
|
|
Return Value:
|
|
|
|
FALSE - The directory entry is not erased.
|
|
TRUE - The directory entry is erased.
|
|
|
|
--*/
|
|
{
|
|
DebugAssert(_dirent);
|
|
return _dirent[0] == 0xE5 ? TRUE : FALSE;
|
|
}
|
|
|
|
|
|
INLINE
|
|
VOID
|
|
FAT_DIRENT::SetErased(
|
|
)
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
This routine marks the directory entry as erased.
|
|
|
|
Arguments:
|
|
|
|
None.
|
|
|
|
Return Value:
|
|
|
|
None.
|
|
|
|
--*/
|
|
{
|
|
DebugAssert(_dirent);
|
|
_dirent[0] = 0xE5;
|
|
}
|
|
|
|
|
|
INLINE
|
|
BOOLEAN
|
|
FAT_DIRENT::IsHidden(
|
|
) CONST
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
This routine computes whether or not the file is hidden.
|
|
|
|
Arguments:
|
|
|
|
None.
|
|
|
|
Return Value:
|
|
|
|
FALSE - The file is not hidden.
|
|
TRUE - The file is hidden.
|
|
|
|
--*/
|
|
{
|
|
DebugAssert(_dirent);
|
|
return _dirent[11]&0x02 ? TRUE : FALSE;
|
|
}
|
|
|
|
|
|
INLINE
|
|
BOOLEAN
|
|
FAT_DIRENT::IsSystem(
|
|
) CONST
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
This routine computes whether or not the file is a system file.
|
|
|
|
Arguments:
|
|
|
|
None.
|
|
|
|
Return Value:
|
|
|
|
FALSE - The file is not a system file.
|
|
TRUE - The file is a system file.
|
|
|
|
--*/
|
|
{
|
|
DebugAssert(_dirent);
|
|
return _dirent[11]&0x04 ? TRUE : FALSE;
|
|
}
|
|
|
|
|
|
INLINE
|
|
BOOLEAN
|
|
FAT_DIRENT::IsVolumeLabel(
|
|
) CONST
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
This routine computes whether or not the first 11 characters of the
|
|
directory entry are the volume label or not.
|
|
|
|
Arguments:
|
|
|
|
None.
|
|
|
|
Return Value:
|
|
|
|
FALSE - The directory entry is not a volume label.
|
|
TRUE - The directory entry is a volume label.
|
|
|
|
--*/
|
|
{
|
|
DebugAssert(_dirent);
|
|
return ((_dirent[11]&0x08) && !IsLongEntry());
|
|
}
|
|
|
|
INLINE
|
|
BOOLEAN
|
|
FAT_DIRENT::IsLongEntry(
|
|
) CONST
|
|
/*++
|
|
|
|
Routine Description;
|
|
|
|
This routine determines whether this entry is a
|
|
Long Directory Entry.
|
|
|
|
The entry is a Long Directory Entry if the attribute
|
|
field has all four low-order bits (read-only, hidden,
|
|
system, and volume-label) set. The four high-order
|
|
bits are ignored.
|
|
|
|
Arguments:
|
|
|
|
None.
|
|
|
|
Return Value:
|
|
|
|
TRUE if the entry is a Long Name Directory Entry.
|
|
|
|
--*/
|
|
{
|
|
return( (_dirent[11] & 0xF) == 0xF );
|
|
}
|
|
|
|
INLINE
|
|
BOOLEAN
|
|
FAT_DIRENT::IsLongNameEntry(
|
|
) CONST
|
|
/*++
|
|
|
|
Routine Description;
|
|
|
|
This routine determines whether this entry is a
|
|
Long Name Directory Entry.
|
|
|
|
A Long Name directory entry is a Long Directory Entry
|
|
with a type field of LONG_DIRENT_TYPE_LONG_NAME.
|
|
|
|
Arguments:
|
|
|
|
None.
|
|
|
|
Return Value:
|
|
|
|
TRUE if the entry is a Long Name Directory Entry.
|
|
|
|
--*/
|
|
{
|
|
return( IsLongEntry() && (_dirent[12] == LONG_DIRENT_TYPE_NAME) );
|
|
}
|
|
|
|
INLINE
|
|
BOOLEAN
|
|
FAT_DIRENT::QueryLongOrdinal(
|
|
) CONST
|
|
/*++
|
|
|
|
Routine Description;
|
|
|
|
This method returns the ordinal of a long directory entry.
|
|
If the directory entry is not a long entry, it returns
|
|
0xFF. Note that this method strips off the Last Long Entry
|
|
flag before returning the ordinal. To determine if an entry
|
|
is the last of a set of long entries, call IsLastLongEntry.
|
|
|
|
Arguments:
|
|
|
|
None.
|
|
|
|
Return Value:
|
|
|
|
The ordinal of this entry.
|
|
|
|
--*/
|
|
{
|
|
return( IsLongEntry() ? _dirent[0] & 0x3F: 0xFF );
|
|
}
|
|
|
|
INLINE
|
|
BOOLEAN
|
|
FAT_DIRENT::IsLastLongEntry(
|
|
) CONST
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
This method determines whether this entry is the last
|
|
of a set of long directory entries.
|
|
|
|
Arguments:
|
|
|
|
None.
|
|
|
|
Return Value:
|
|
|
|
TRUE if this is the last of a set of long directory entries.
|
|
|
|
--*/
|
|
{
|
|
return( IsLongEntry() ? _dirent[0] & 0x40 : FALSE );
|
|
}
|
|
|
|
|
|
INLINE
|
|
VOID
|
|
FAT_DIRENT::SetVolumeLabel(
|
|
)
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
This routine sets the directory entry to be a volume label.
|
|
|
|
Arguments:
|
|
|
|
None.
|
|
|
|
Return Value:
|
|
|
|
None.
|
|
|
|
--*/
|
|
{
|
|
DebugAssert(_dirent);
|
|
_dirent[11] |= 0x08;
|
|
}
|
|
|
|
|
|
INLINE
|
|
BOOLEAN
|
|
FAT_DIRENT::IsDirectory(
|
|
) CONST
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
This routine computes whether or not the directory entry is a directory.
|
|
|
|
Arguments:
|
|
|
|
None.
|
|
|
|
Return Value:
|
|
|
|
FALSE - The directory entry is not a directory.
|
|
TRUE - The directory entry is a directory.
|
|
|
|
--*/
|
|
{
|
|
DebugAssert(_dirent);
|
|
return ((_dirent[11]&0x10) && !IsLongEntry());
|
|
}
|
|
|
|
|
|
INLINE
|
|
VOID
|
|
FAT_DIRENT::SetDirectory(
|
|
)
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
This routine sets the directory entry to be a directory.
|
|
|
|
Arguments:
|
|
|
|
None.
|
|
|
|
Return Value:
|
|
|
|
None.
|
|
|
|
--*/
|
|
{
|
|
DebugAssert(_dirent);
|
|
_dirent[11] |= 0x10;
|
|
}
|
|
|
|
|
|
INLINE
|
|
VOID
|
|
FAT_DIRENT::ResetDirectory(
|
|
)
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
This routine sets the directory entry to not be a directory.
|
|
|
|
Arguments:
|
|
|
|
None.
|
|
|
|
Return Value:
|
|
|
|
None.
|
|
|
|
--*/
|
|
{
|
|
DebugAssert(_dirent);
|
|
_dirent[11] &= ~0x10;
|
|
}
|
|
|
|
|
|
|
|
|
|
INLINE
|
|
BYTE
|
|
FAT_DIRENT::QueryAttributeByte(
|
|
) CONST
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
This routine returns the attribute byte of the directory entry
|
|
|
|
Arguments:
|
|
|
|
None.
|
|
|
|
Return Value:
|
|
|
|
Attribute byte
|
|
|
|
--*/
|
|
{
|
|
DebugAssert(_dirent);
|
|
return _dirent[11];
|
|
}
|
|
|
|
|
|
INLINE
|
|
BOOLEAN
|
|
FAT_DIRENT::Is8LowerCase(
|
|
) CONST
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
This routine tells whether the first 8 bytes of the short name
|
|
should be downcased after being read from the disk.
|
|
|
|
Arguments:
|
|
|
|
None.
|
|
|
|
Return Value:
|
|
|
|
TRUE or FALSE
|
|
|
|
--*/
|
|
{
|
|
|
|
DebugAssert(_dirent);
|
|
return (_dirent[12] & 0x08) != 0;
|
|
}
|
|
|
|
|
|
INLINE
|
|
BOOLEAN
|
|
FAT_DIRENT::Is3LowerCase(
|
|
) CONST
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
This routine tells whether the last 8 bytes of the short name
|
|
should be downcased after being read from the disk.
|
|
|
|
Arguments:
|
|
|
|
None.
|
|
|
|
Return Value:
|
|
|
|
TRUE or FALSE
|
|
|
|
--*/
|
|
{
|
|
DebugAssert(_dirent);
|
|
return (_dirent[12] & 0x10) != 0;
|
|
}
|
|
|
|
#endif // FAT_DIRENT_DEFN
|