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[NTFS]

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- Implement NtfsDirFindFile()
- Enable again NtfsMakeFCBFromDirEntry() and fix its prototype but disable its implementation yet

svn path=/trunk/; revision=64577
This commit is contained in:
Pierre Schweitzer 2014-10-06 20:51:41 +00:00
parent a0afb70918
commit a78a879f54
1 changed files with 23 additions and 106 deletions
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129
reactos/drivers/filesystems/ntfs/fcb.c
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@ -348,15 +348,17 @@ NtfsGetDirEntryName(PDEVICE_EXTENSION DeviceExt,
DPRINT("Name '%S'\n", Name);
}
#endif
NTSTATUS
NtfsMakeFCBFromDirEntry(PVCB Vcb,
PFCB DirectoryFCB,
NtfsMakeFCBFromDirEntry(PNTFS_VCB Vcb,
PNTFS_FCB DirectoryFCB,
PWSTR Name,
PDIR_RECORD Record,
PFCB * fileFCB)
PFILE_RECORD_HEADER Record,
PNTFS_FCB * fileFCB)
{
#if 0
WCHAR pathName[MAX_PATH];
PFCB rcFCB;
ULONG Size;
@ -400,8 +402,10 @@ NtfsMakeFCBFromDirEntry(PVCB Vcb,
*fileFCB = rcFCB;
return(STATUS_SUCCESS);
}
#else
return STATUS_NOT_IMPLEMENTED;
#endif
}
NTSTATUS
@ -451,113 +455,26 @@ NtfsDirFindFile(PNTFS_VCB Vcb,
PWSTR FileToFind,
PNTFS_FCB *FoundFCB)
{
#if 0
WCHAR TempName[2];
WCHAR Name[256];
PVOID Block;
ULONG FirstSector;
ULONG DirSize;
PDIR_RECORD Record;
ULONG Offset;
ULONG BlockOffset;
NTSTATUS Status;
NTSTATUS Status;
ULONGLONG CurrentDir;
UNICODE_STRING File;
PFILE_RECORD_HEADER FileRecord;
PNTFS_ATTR_CONTEXT DataContext;
LARGE_INTEGER StreamOffset;
PVOID Context;
*FoundFCB = NULL;
RtlInitUnicodeString(&File, FileToFind);
CurrentDir = DirectoryFcb->MFTIndex;
ASSERT(DeviceExt);
ASSERT(DirectoryFcb);
ASSERT(FileToFind);
DPRINT("NtfsDirFindFile(VCB:%08x, dirFCB:%08x, File:%S)\n",
DeviceExt,
DirectoryFcb,
FileToFind);
DPRINT("Dir Path:%S\n", DirectoryFcb->PathName);
/* default to '.' if no filename specified */
if (wcslen(FileToFind) == 0)
Status = NtfsLookupFileAt(Vcb, &File, &FileRecord, &DataContext, CurrentDir);
if (!NT_SUCCESS(Status))
{
TempName[0] = L'.';
TempName[1] = 0;
FileToFind = TempName;
return Status;
}
DirSize = DirectoryFcb->Entry.DataLengthL;
StreamOffset.QuadPart = (LONGLONG)DirectoryFcb->Entry.ExtentLocationL * (LONGLONG)BLOCKSIZE;
Status = NtfsMakeFCBFromDirEntry(Vcb, DirectoryFcb, FileToFind, FileRecord, FoundFCB);
ExFreePoolWithTag(FileRecord, TAG_NTFS);
if(!CcMapData(DeviceExt->StreamFileObject, &StreamOffset,
BLOCKSIZE, TRUE, &Context, &Block))
{
DPRINT("CcMapData() failed\n");
return(STATUS_UNSUCCESSFUL);
}
Offset = 0;
BlockOffset = 0;
Record = (PDIR_RECORD)Block;
while(TRUE)
{
if (Record->RecordLength == 0)
{
DPRINT("RecordLength == 0 Stopped!\n");
break;
}
DPRINT("RecordLength %u ExtAttrRecordLength %u NameLength %u\n",
Record->RecordLength, Record->ExtAttrRecordLength, Record->FileIdLength);
NtfsGetDirEntryName(DeviceExt, Record, Name);
DPRINT("Name '%S'\n", Name);
if (wstrcmpjoki(Name, FileToFind))
{
DPRINT("Match found, %S\n", Name);
Status = NtfsMakeFCBFromDirEntry(DeviceExt,
DirectoryFcb,
Name,
Record,
FoundFCB);
CcUnpinData(Context);
return(Status);
}
Offset += Record->RecordLength;
BlockOffset += Record->RecordLength;
Record = (PDIR_RECORD)(Block + BlockOffset);
if (BlockOffset >= BLOCKSIZE || Record->RecordLength == 0)
{
DPRINT("Map next sector\n");
CcUnpinData(Context);
StreamOffset.QuadPart += BLOCKSIZE;
Offset = ROUND_UP(Offset, BLOCKSIZE);
BlockOffset = 0;
if (!CcMapData(DeviceExt->StreamFileObject,
&StreamOffset,
BLOCKSIZE, TRUE,
&Context, &Block))
{
DPRINT("CcMapData() failed\n");
return(STATUS_UNSUCCESSFUL);
}
Record = (PDIR_RECORD)(Block + BlockOffset);
}
if (Offset >= DirSize)
break;
}
CcUnpinData(Context);
#else
UNREFERENCED_PARAMETER(Vcb);
UNREFERENCED_PARAMETER(DirectoryFcb);
UNREFERENCED_PARAMETER(FileToFind);
UNREFERENCED_PARAMETER(FoundFCB);
#endif
return STATUS_OBJECT_NAME_NOT_FOUND;
return Status;
}