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[NTFS]

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Simplify the implementation of NtfsGetFileSize()

svn path=/trunk/; revision=68310
This commit is contained in:
Pierre Schweitzer
2015-06-28 21:26:19 +00:00
parent a45dcb0d07
commit 7b665169ed
1 changed files with 11 additions and 15 deletions
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26
reactos/drivers/filesystems/ntfs/dirctl.c
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@@ -36,24 +36,20 @@
static ULONGLONG
NtfsGetFileSize(PFILE_RECORD_HEADER FileRecord,
NtfsGetFileSize(PDEVICE_EXTENSION DeviceExt,
PFILE_RECORD_HEADER FileRecord,
PFILENAME_ATTRIBUTE FileName)
{
ULONGLONG Size;
PNTFS_ATTR_RECORD Attribute;
NTSTATUS Status;
PNTFS_ATTR_CONTEXT DataContext;
Size = FileName->AllocatedSize;
Attribute = (PNTFS_ATTR_RECORD)((ULONG_PTR)FileRecord + FileRecord->AttributeOffset);
while (Attribute < (PNTFS_ATTR_RECORD)((ULONG_PTR)FileRecord + FileRecord->BytesInUse) &&
Attribute->Type != AttributeEnd)
Status = FindAttribute(DeviceExt, FileRecord, AttributeData, L"", 0, &DataContext);
if (NT_SUCCESS(Status))
{
if (Attribute->Type == AttributeData && Attribute->NameLength == 0)
{
Size = AttributeDataLength(Attribute);
break;
}
Attribute = (PNTFS_ATTR_RECORD)((ULONG_PTR)Attribute + Attribute->Length);
Size = AttributeDataLength(&DataContext->Record);
ReleaseAttributeContext(DataContext);
}
return Size;
@@ -134,7 +130,7 @@ NtfsGetDirectoryInformation(PDEVICE_EXTENSION DeviceExt,
/* Convert file flags */
NtfsFileFlagsToAttributes(FileName->FileAttributes | StdInfo->FileAttribute, &Info->FileAttributes);
Info->EndOfFile.QuadPart = NtfsGetFileSize(FileRecord, FileName);
Info->EndOfFile.QuadPart = NtfsGetFileSize(DeviceExt, FileRecord, FileName);
Info->AllocationSize.QuadPart = ROUND_UP(Info->EndOfFile.QuadPart, DeviceExt->NtfsInfo.BytesPerCluster);
Info->FileIndex = MFTIndex;
@@ -184,7 +180,7 @@ NtfsGetFullDirectoryInformation(PDEVICE_EXTENSION DeviceExt,
/* Convert file flags */
NtfsFileFlagsToAttributes(FileName->FileAttributes | StdInfo->FileAttribute, &Info->FileAttributes);
Info->EndOfFile.QuadPart = NtfsGetFileSize(FileRecord, FileName);
Info->EndOfFile.QuadPart = NtfsGetFileSize(DeviceExt, FileRecord, FileName);
Info->AllocationSize.QuadPart = ROUND_UP(Info->EndOfFile.QuadPart, DeviceExt->NtfsInfo.BytesPerCluster);
Info->FileIndex = MFTIndex;
@@ -249,7 +245,7 @@ NtfsGetBothDirectoryInformation(PDEVICE_EXTENSION DeviceExt,
/* Convert file flags */
NtfsFileFlagsToAttributes(FileName->FileAttributes | StdInfo->FileAttribute, &Info->FileAttributes);
Info->EndOfFile.QuadPart = NtfsGetFileSize(FileRecord, FileName);
Info->EndOfFile.QuadPart = NtfsGetFileSize(DeviceExt, FileRecord, FileName);
Info->AllocationSize.QuadPart = ROUND_UP(Info->EndOfFile.QuadPart, DeviceExt->NtfsInfo.BytesPerCluster);
Info->FileIndex = MFTIndex;