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Fixed some bugs in VfatGetStandardInformation().

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Implemented VfatGetInternalInformation().

svn path=/trunk/; revision=2335
This commit is contained in:
Hartmut Birr 2001-11-01 10:44:11 +00:00
parent 24f81ff1c1
commit ae482ce24e
1 changed files with 25 additions and 21 deletions
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46
reactos/drivers/fs/vfat/finfo.c
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@ -1,4 +1,4 @@
/* $Id: finfo.c,v 1.9 2001/08/14 20:47:30 hbirr Exp $ /* $Id: finfo.c,v 1.10 2001/11/01 10:44:11 hbirr Exp $
* *
* COPYRIGHT: See COPYING in the top level directory * COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel * PROJECT: ReactOS kernel
@ -30,7 +30,6 @@ VfatGetStandardInformation(PVFATFCB FCB,
*/ */
{ {
PDEVICE_EXTENSION DeviceExtension; PDEVICE_EXTENSION DeviceExtension;
unsigned long AllocSize;
if (*BufferLength < sizeof(FILE_STANDARD_INFORMATION)) if (*BufferLength < sizeof(FILE_STANDARD_INFORMATION))
return STATUS_BUFFER_OVERFLOW; return STATUS_BUFFER_OVERFLOW;
@ -45,25 +44,12 @@ VfatGetStandardInformation(PVFATFCB FCB,
RtlZeroMemory(StandardInfo, RtlZeroMemory(StandardInfo,
sizeof(FILE_STANDARD_INFORMATION)); sizeof(FILE_STANDARD_INFORMATION));
/* Make allocsize a rounded up multiple of BytesPerCluster */ StandardInfo->AllocationSize = FCB->RFCB.AllocationSize;
AllocSize = ((FCB->entry.FileSize + DeviceExtension->BytesPerCluster - 1) / StandardInfo->EndOfFile = FCB->RFCB.FileSize;
DeviceExtension->BytesPerCluster) *
DeviceExtension->BytesPerCluster;
StandardInfo->AllocationSize = RtlConvertUlongToLargeInteger (AllocSize);
StandardInfo->EndOfFile =
RtlConvertUlongToLargeInteger (FCB->entry.FileSize);
StandardInfo->NumberOfLinks = 0; StandardInfo->NumberOfLinks = 0;
StandardInfo->DeletePending = FALSE; StandardInfo->DeletePending = FCB->Flags & FCB_DELETE_PENDING ? TRUE : FALSE;
if ((FCB->entry.Attrib & 0x10) > 0) StandardInfo->Directory = FCB->entry.Attrib & 0x10 ? TRUE : FALSE;
{
StandardInfo->Directory = TRUE;
}
else
{
StandardInfo->Directory = FALSE;
}
*BufferLength -= sizeof(FILE_STANDARD_INFORMATION); *BufferLength -= sizeof(FILE_STANDARD_INFORMATION);
return(STATUS_SUCCESS); return(STATUS_SUCCESS);
} }
@ -236,7 +222,21 @@ VfatGetNameInformation(PFILE_OBJECT FileObject,
return STATUS_SUCCESS; return STATUS_SUCCESS;
} }
static NTSTATUS
VfatGetInternalInformation(PVFATFCB Fcb,
PFILE_INTERNAL_INFORMATION InternalInfo,
PULONG BufferLength)
{
assert (InternalInfo);
assert (Fcb);
if (*BufferLength < sizeof(FILE_INTERNAL_INFORMATION))
return STATUS_BUFFER_OVERFLOW;
// FIXME: get a real index, that can be used in a create operation
InternalInfo->IndexNumber.QuadPart = 0;
*BufferLength -= sizeof(FILE_INTERNAL_INFORMATION);
return STATUS_SUCCESS;
}
NTSTATUS STDCALL NTSTATUS STDCALL
VfatQueryInformation(PDEVICE_OBJECT DeviceObject, VfatQueryInformation(PDEVICE_OBJECT DeviceObject,
@ -269,7 +269,7 @@ VfatQueryInformation(PDEVICE_OBJECT DeviceObject,
SystemBuffer = Irp->AssociatedIrp.SystemBuffer; SystemBuffer = Irp->AssociatedIrp.SystemBuffer;
BufferLength = Stack->Parameters.QueryFile.Length; BufferLength = Stack->Parameters.QueryFile.Length;
switch (FileInformationClass) switch (FileInformationClass)
{ {
case FileStandardInformation: case FileStandardInformation:
@ -300,6 +300,10 @@ VfatQueryInformation(PDEVICE_OBJECT DeviceObject,
&BufferLength); &BufferLength);
break; break;
case FileInternalInformation: case FileInternalInformation:
RC = VfatGetInternalInformation(FCB,
SystemBuffer,
&BufferLength);
break;
case FileAlternateNameInformation: case FileAlternateNameInformation:
case FileAllInformation: case FileAllInformation:
RC = STATUS_NOT_IMPLEMENTED; RC = STATUS_NOT_IMPLEMENTED;