[FORMATTING]

* No code changes.

svn path=/trunk/; revision=57246
This commit is contained in:
Amine Khaldi 2012-09-06 18:36:48 +00:00
parent 93c87d7be9
commit 5423c59abe

View file

@ -8,16 +8,22 @@
*/
/* INCLUDES *****************************************************************/
#define NDEBUG
#include "vfat.h"
/* FUNCTIONS ****************************************************************/
// function like DosDateTimeToFileTime
/* Function like DosDateTimeToFileTime */
BOOLEAN
FsdDosDateTimeToSystemTime (PDEVICE_EXTENSION DeviceExt, USHORT DosDate, USHORT DosTime, PLARGE_INTEGER SystemTime)
FsdDosDateTimeToSystemTime(PDEVICE_EXTENSION DeviceExt,
USHORT DosDate,
USHORT DosTime,
PLARGE_INTEGER SystemTime)
{
PDOSTIME pdtime = (PDOSTIME) &DosTime;
PDOSDATE pddate = (PDOSDATE) &DosDate;
PDOSTIME pdtime = (PDOSTIME)&DosTime;
PDOSDATE pddate = (PDOSDATE)&DosDate;
TIME_FIELDS TimeFields;
LARGE_INTEGER LocalTime;
@ -33,26 +39,29 @@ FsdDosDateTimeToSystemTime (PDEVICE_EXTENSION DeviceExt, USHORT DosDate, USHORT
TimeFields.Month = pddate->Month;
TimeFields.Year = (CSHORT)(DeviceExt->BaseDateYear + pddate->Year);
RtlTimeFieldsToTime (&TimeFields, &LocalTime);
RtlTimeFieldsToTime(&TimeFields, &LocalTime);
ExLocalTimeToSystemTime(&LocalTime, SystemTime);
return TRUE;
}
// function like FileTimeToDosDateTime
/* Function like FileTimeToDosDateTime */
BOOLEAN
FsdSystemTimeToDosDateTime (PDEVICE_EXTENSION DeviceExt, PLARGE_INTEGER SystemTime, USHORT *pDosDate, USHORT *pDosTime)
FsdSystemTimeToDosDateTime(PDEVICE_EXTENSION DeviceExt,
PLARGE_INTEGER SystemTime,
PUSHORT pDosDate,
PUSHORT pDosTime)
{
PDOSTIME pdtime = (PDOSTIME) pDosTime;
PDOSDATE pddate = (PDOSDATE) pDosDate;
PDOSTIME pdtime = (PDOSTIME)pDosTime;
PDOSDATE pddate = (PDOSDATE)pDosDate;
TIME_FIELDS TimeFields;
LARGE_INTEGER LocalTime;
if (SystemTime == NULL)
return FALSE;
ExSystemTimeToLocalTime (SystemTime, &LocalTime);
RtlTimeToTimeFields (&LocalTime, &TimeFields);
ExSystemTimeToLocalTime(SystemTime, &LocalTime);
RtlTimeToTimeFields(&LocalTime, &TimeFields);
if (pdtime)
{
@ -74,43 +83,59 @@ FsdSystemTimeToDosDateTime (PDEVICE_EXTENSION DeviceExt, PLARGE_INTEGER SystemTi
#define ULONG_ROUND_UP(x) ROUND_UP((x), (sizeof(ULONG)))
static NTSTATUS
VfatGetFileNameInformation (PVFAT_DIRENTRY_CONTEXT DirContext,
PFILE_NAMES_INFORMATION pInfo, ULONG BufferLength)
VfatGetFileNameInformation(PVFAT_DIRENTRY_CONTEXT DirContext,
PFILE_NAMES_INFORMATION pInfo,
ULONG BufferLength)
{
if ((sizeof (FILE_DIRECTORY_INFORMATION) + DirContext->LongNameU.Length) > BufferLength)
if ((sizeof(FILE_DIRECTORY_INFORMATION) + DirContext->LongNameU.Length) > BufferLength)
return STATUS_BUFFER_OVERFLOW;
pInfo->FileNameLength = DirContext->LongNameU.Length;
pInfo->NextEntryOffset =
ULONG_ROUND_UP (sizeof (FILE_DIRECTORY_INFORMATION) + DirContext->LongNameU.Length);
RtlCopyMemory (pInfo->FileName, DirContext->LongNameU.Buffer, DirContext->LongNameU.Length);
pInfo->NextEntryOffset = ULONG_ROUND_UP(sizeof(FILE_DIRECTORY_INFORMATION) +
DirContext->LongNameU.Length);
RtlCopyMemory(pInfo->FileName,
DirContext->LongNameU.Buffer,
DirContext->LongNameU.Length);
return STATUS_SUCCESS;
}
static NTSTATUS
VfatGetFileDirectoryInformation (PVFAT_DIRENTRY_CONTEXT DirContext,
VfatGetFileDirectoryInformation(PVFAT_DIRENTRY_CONTEXT DirContext,
PDEVICE_EXTENSION DeviceExt,
PFILE_DIRECTORY_INFORMATION pInfo,
ULONG BufferLength)
{
if ((sizeof (FILE_DIRECTORY_INFORMATION) + DirContext->LongNameU.Length) > BufferLength)
if ((sizeof(FILE_DIRECTORY_INFORMATION) + DirContext->LongNameU.Length) > BufferLength)
return STATUS_BUFFER_OVERFLOW;
pInfo->FileNameLength = DirContext->LongNameU.Length;
pInfo->NextEntryOffset =
ULONG_ROUND_UP (sizeof (FILE_DIRECTORY_INFORMATION) + DirContext->LongNameU.Length);
RtlCopyMemory (pInfo->FileName, DirContext->LongNameU.Buffer, DirContext->LongNameU.Length);
// pInfo->FileIndex=;
pInfo->NextEntryOffset = ULONG_ROUND_UP(sizeof(FILE_DIRECTORY_INFORMATION) +
DirContext->LongNameU.Length);
/* pInfo->FileIndex = ; */
RtlCopyMemory(pInfo->FileName,
DirContext->LongNameU.Buffer,
DirContext->LongNameU.Length);
if (DeviceExt->Flags & VCB_IS_FATX)
{
FsdDosDateTimeToSystemTime (DeviceExt, DirContext->DirEntry.FatX.CreationDate,
FsdDosDateTimeToSystemTime(DeviceExt,
DirContext->DirEntry.FatX.CreationDate,
DirContext->DirEntry.FatX.CreationTime,
&pInfo->CreationTime);
FsdDosDateTimeToSystemTime (DeviceExt, DirContext->DirEntry.FatX.AccessDate,
FsdDosDateTimeToSystemTime(DeviceExt,
DirContext->DirEntry.FatX.AccessDate,
DirContext->DirEntry.FatX.AccessTime,
&pInfo->LastAccessTime);
FsdDosDateTimeToSystemTime (DeviceExt, DirContext->DirEntry.FatX.UpdateDate,
FsdDosDateTimeToSystemTime(DeviceExt,
DirContext->DirEntry.FatX.UpdateDate,
DirContext->DirEntry.FatX.UpdateTime,
&pInfo->LastWriteTime);
pInfo->ChangeTime = pInfo->LastWriteTime;
if (DirContext->DirEntry.FatX.Attrib & FILE_ATTRIBUTE_DIRECTORY)
{
pInfo->EndOfFile.QuadPart = 0;
@ -122,21 +147,29 @@ VfatGetFileDirectoryInformation (PVFAT_DIRENTRY_CONTEXT DirContext,
pInfo->EndOfFile.u.LowPart = DirContext->DirEntry.FatX.FileSize;
/* Make allocsize a rounded up multiple of BytesPerCluster */
pInfo->AllocationSize.u.HighPart = 0;
pInfo->AllocationSize.u.LowPart = ROUND_UP(DirContext->DirEntry.FatX.FileSize, DeviceExt->FatInfo.BytesPerCluster);
pInfo->AllocationSize.u.LowPart = ROUND_UP(DirContext->DirEntry.FatX.FileSize,
DeviceExt->FatInfo.BytesPerCluster);
}
pInfo->FileAttributes = DirContext->DirEntry.FatX.Attrib & 0x3f;
}
else
{
FsdDosDateTimeToSystemTime (DeviceExt, DirContext->DirEntry.Fat.CreationDate,
FsdDosDateTimeToSystemTime(DeviceExt,
DirContext->DirEntry.Fat.CreationDate,
DirContext->DirEntry.Fat.CreationTime,
&pInfo->CreationTime);
FsdDosDateTimeToSystemTime (DeviceExt, DirContext->DirEntry.Fat.AccessDate, 0,
FsdDosDateTimeToSystemTime(DeviceExt,
DirContext->DirEntry.Fat.AccessDate,
0,
&pInfo->LastAccessTime);
FsdDosDateTimeToSystemTime (DeviceExt, DirContext->DirEntry.Fat.UpdateDate,
FsdDosDateTimeToSystemTime(DeviceExt,
DirContext->DirEntry.Fat.UpdateDate,
DirContext->DirEntry.Fat.UpdateTime,
&pInfo->LastWriteTime);
pInfo->ChangeTime = pInfo->LastWriteTime;
if (DirContext->DirEntry.Fat.Attrib & FILE_ATTRIBUTE_DIRECTORY)
{
pInfo->EndOfFile.QuadPart = 0;
@ -148,8 +181,10 @@ VfatGetFileDirectoryInformation (PVFAT_DIRENTRY_CONTEXT DirContext,
pInfo->EndOfFile.u.LowPart = DirContext->DirEntry.Fat.FileSize;
/* Make allocsize a rounded up multiple of BytesPerCluster */
pInfo->AllocationSize.u.HighPart = 0;
pInfo->AllocationSize.u.LowPart = ROUND_UP(DirContext->DirEntry.Fat.FileSize, DeviceExt->FatInfo.BytesPerCluster);
pInfo->AllocationSize.u.LowPart = ROUND_UP(DirContext->DirEntry.Fat.FileSize,
DeviceExt->FatInfo.BytesPerCluster);
}
pInfo->FileAttributes = DirContext->DirEntry.Fat.Attrib & 0x3f;
}
@ -157,87 +192,116 @@ VfatGetFileDirectoryInformation (PVFAT_DIRENTRY_CONTEXT DirContext,
}
static NTSTATUS
VfatGetFileFullDirectoryInformation (PVFAT_DIRENTRY_CONTEXT DirContext,
VfatGetFileFullDirectoryInformation(PVFAT_DIRENTRY_CONTEXT DirContext,
PDEVICE_EXTENSION DeviceExt,
PFILE_FULL_DIR_INFORMATION pInfo,
ULONG BufferLength)
{
if ((sizeof (FILE_FULL_DIR_INFORMATION) + DirContext->LongNameU.Length) > BufferLength)
if ((sizeof(FILE_FULL_DIR_INFORMATION) + DirContext->LongNameU.Length) > BufferLength)
return STATUS_BUFFER_OVERFLOW;
pInfo->FileNameLength = DirContext->LongNameU.Length;
pInfo->NextEntryOffset =
ULONG_ROUND_UP (sizeof (FILE_FULL_DIR_INFORMATION) + DirContext->LongNameU.Length);
RtlCopyMemory (pInfo->FileName, DirContext->LongNameU.Buffer, DirContext->LongNameU.Length);
// pInfo->FileIndex=;
pInfo->NextEntryOffset = ULONG_ROUND_UP(sizeof(FILE_FULL_DIR_INFORMATION) +
DirContext->LongNameU.Length);
/* pInfo->FileIndex = ; */
/* pInfo->EaSize = ; */
RtlCopyMemory(pInfo->FileName,
DirContext->LongNameU.Buffer,
DirContext->LongNameU.Length);
if (DeviceExt->Flags & VCB_IS_FATX)
{
FsdDosDateTimeToSystemTime (DeviceExt, DirContext->DirEntry.FatX.CreationDate,
FsdDosDateTimeToSystemTime(DeviceExt,
DirContext->DirEntry.FatX.CreationDate,
DirContext->DirEntry.FatX.CreationTime,
&pInfo->CreationTime);
FsdDosDateTimeToSystemTime (DeviceExt, DirContext->DirEntry.FatX.AccessDate,
FsdDosDateTimeToSystemTime(DeviceExt,
DirContext->DirEntry.FatX.AccessDate,
DirContext->DirEntry.FatX.AccessTime,
&pInfo->LastAccessTime);
FsdDosDateTimeToSystemTime (DeviceExt, DirContext->DirEntry.FatX.UpdateDate,
FsdDosDateTimeToSystemTime(DeviceExt,
DirContext->DirEntry.FatX.UpdateDate,
DirContext->DirEntry.FatX.UpdateTime,
&pInfo->LastWriteTime);
pInfo->ChangeTime = pInfo->LastWriteTime;
pInfo->EndOfFile.u.HighPart = 0;
pInfo->EndOfFile.u.LowPart = DirContext->DirEntry.FatX.FileSize;
/* Make allocsize a rounded up multiple of BytesPerCluster */
pInfo->AllocationSize.u.HighPart = 0;
pInfo->AllocationSize.u.LowPart = ROUND_UP(DirContext->DirEntry.FatX.FileSize, DeviceExt->FatInfo.BytesPerCluster);
pInfo->AllocationSize.u.LowPart = ROUND_UP(DirContext->DirEntry.FatX.FileSize,
DeviceExt->FatInfo.BytesPerCluster);
pInfo->FileAttributes = DirContext->DirEntry.FatX.Attrib & 0x3f;
}
else
{
FsdDosDateTimeToSystemTime (DeviceExt, DirContext->DirEntry.Fat.CreationDate,
FsdDosDateTimeToSystemTime(DeviceExt,
DirContext->DirEntry.Fat.CreationDate,
DirContext->DirEntry.Fat.CreationTime,
&pInfo->CreationTime);
FsdDosDateTimeToSystemTime (DeviceExt, DirContext->DirEntry.Fat.AccessDate,
0, &pInfo->LastAccessTime);
FsdDosDateTimeToSystemTime (DeviceExt, DirContext->DirEntry.Fat.UpdateDate,
FsdDosDateTimeToSystemTime(DeviceExt,
DirContext->DirEntry.Fat.AccessDate,
0,
&pInfo->LastAccessTime);
FsdDosDateTimeToSystemTime(DeviceExt,
DirContext->DirEntry.Fat.UpdateDate,
DirContext->DirEntry.Fat.UpdateTime,
&pInfo->LastWriteTime);
pInfo->ChangeTime = pInfo->LastWriteTime;
pInfo->EndOfFile.u.HighPart = 0;
pInfo->EndOfFile.u.LowPart = DirContext->DirEntry.Fat.FileSize;
/* Make allocsize a rounded up multiple of BytesPerCluster */
pInfo->AllocationSize.u.HighPart = 0;
pInfo->AllocationSize.u.LowPart = ROUND_UP(DirContext->DirEntry.Fat.FileSize, DeviceExt->FatInfo.BytesPerCluster);
pInfo->AllocationSize.u.LowPart = ROUND_UP(DirContext->DirEntry.Fat.FileSize,
DeviceExt->FatInfo.BytesPerCluster);
pInfo->FileAttributes = DirContext->DirEntry.Fat.Attrib & 0x3f;
}
// pInfo->EaSize=;
return STATUS_SUCCESS;
}
static NTSTATUS
VfatGetFileBothInformation (PVFAT_DIRENTRY_CONTEXT DirContext,
VfatGetFileBothInformation(PVFAT_DIRENTRY_CONTEXT DirContext,
PDEVICE_EXTENSION DeviceExt,
PFILE_BOTH_DIR_INFORMATION pInfo,
ULONG BufferLength)
{
if ((sizeof (FILE_BOTH_DIR_INFORMATION) + DirContext->LongNameU.Length) > BufferLength)
if ((sizeof(FILE_BOTH_DIR_INFORMATION) + DirContext->LongNameU.Length) > BufferLength)
return STATUS_BUFFER_OVERFLOW;
pInfo->EaSize = 0;
if (DeviceExt->Flags & VCB_IS_FATX)
{
pInfo->FileNameLength = DirContext->LongNameU.Length;
RtlCopyMemory(pInfo->FileName, DirContext->LongNameU.Buffer, DirContext->LongNameU.Length);
pInfo->NextEntryOffset =
ULONG_ROUND_UP (sizeof (FILE_BOTH_DIR_INFORMATION) + DirContext->LongNameU.Length);
RtlCopyMemory(pInfo->FileName,
DirContext->LongNameU.Buffer,
DirContext->LongNameU.Length);
pInfo->NextEntryOffset = ULONG_ROUND_UP(sizeof(FILE_BOTH_DIR_INFORMATION) +
DirContext->LongNameU.Length);
pInfo->ShortName[0] = 0;
pInfo->ShortNameLength = 0;
// pInfo->FileIndex=;
FsdDosDateTimeToSystemTime (DeviceExt, DirContext->DirEntry.FatX.CreationDate,
/* pInfo->FileIndex = ; */
FsdDosDateTimeToSystemTime(DeviceExt,
DirContext->DirEntry.FatX.CreationDate,
DirContext->DirEntry.FatX.CreationTime,
&pInfo->CreationTime);
FsdDosDateTimeToSystemTime (DeviceExt, DirContext->DirEntry.FatX.AccessDate,
FsdDosDateTimeToSystemTime(DeviceExt,
DirContext->DirEntry.FatX.AccessDate,
DirContext->DirEntry.FatX.AccessTime,
&pInfo->LastAccessTime);
FsdDosDateTimeToSystemTime (DeviceExt, DirContext->DirEntry.FatX.UpdateDate,
FsdDosDateTimeToSystemTime(DeviceExt,
DirContext->DirEntry.FatX.UpdateDate,
DirContext->DirEntry.FatX.UpdateTime,
&pInfo->LastWriteTime);
pInfo->ChangeTime = pInfo->LastWriteTime;
if (DirContext->DirEntry.FatX.Attrib & FILE_ATTRIBUTE_DIRECTORY)
{
pInfo->EndOfFile.QuadPart = 0;
@ -249,28 +313,45 @@ VfatGetFileBothInformation (PVFAT_DIRENTRY_CONTEXT DirContext,
pInfo->EndOfFile.u.LowPart = DirContext->DirEntry.FatX.FileSize;
/* Make allocsize a rounded up multiple of BytesPerCluster */
pInfo->AllocationSize.u.HighPart = 0;
pInfo->AllocationSize.u.LowPart = ROUND_UP(DirContext->DirEntry.FatX.FileSize, DeviceExt->FatInfo.BytesPerCluster);
pInfo->AllocationSize.u.LowPart = ROUND_UP(DirContext->DirEntry.FatX.FileSize,
DeviceExt->FatInfo.BytesPerCluster);
}
pInfo->FileAttributes = DirContext->DirEntry.FatX.Attrib & 0x3f;
}
else
{
pInfo->FileNameLength = DirContext->LongNameU.Length;
pInfo->NextEntryOffset =
ULONG_ROUND_UP (sizeof (FILE_BOTH_DIR_INFORMATION) + DirContext->LongNameU.Length);
RtlCopyMemory(pInfo->ShortName, DirContext->ShortNameU.Buffer, DirContext->ShortNameU.Length);
pInfo->NextEntryOffset = ULONG_ROUND_UP(sizeof(FILE_BOTH_DIR_INFORMATION) +
DirContext->LongNameU.Length);
RtlCopyMemory(pInfo->ShortName,
DirContext->ShortNameU.Buffer,
DirContext->ShortNameU.Length);
pInfo->ShortNameLength = (CCHAR)DirContext->ShortNameU.Length;
RtlCopyMemory (pInfo->FileName, DirContext->LongNameU.Buffer, DirContext->LongNameU.Length);
// pInfo->FileIndex=;
FsdDosDateTimeToSystemTime (DeviceExt, DirContext->DirEntry.Fat.CreationDate,
RtlCopyMemory(pInfo->FileName,
DirContext->LongNameU.Buffer,
DirContext->LongNameU.Length);
/* pInfo->FileIndex = ; */
FsdDosDateTimeToSystemTime(DeviceExt,
DirContext->DirEntry.Fat.CreationDate,
DirContext->DirEntry.Fat.CreationTime,
&pInfo->CreationTime);
FsdDosDateTimeToSystemTime (DeviceExt, DirContext->DirEntry.Fat.AccessDate, 0,
FsdDosDateTimeToSystemTime(DeviceExt,
DirContext->DirEntry.Fat.AccessDate,
0,
&pInfo->LastAccessTime);
FsdDosDateTimeToSystemTime (DeviceExt, DirContext->DirEntry.Fat.UpdateDate,
FsdDosDateTimeToSystemTime(DeviceExt,
DirContext->DirEntry.Fat.UpdateDate,
DirContext->DirEntry.Fat.UpdateTime,
&pInfo->LastWriteTime);
pInfo->ChangeTime = pInfo->LastWriteTime;
if (DirContext->DirEntry.Fat.Attrib & FILE_ATTRIBUTE_DIRECTORY)
{
pInfo->EndOfFile.QuadPart = 0;
@ -284,19 +365,21 @@ VfatGetFileBothInformation (PVFAT_DIRENTRY_CONTEXT DirContext,
pInfo->AllocationSize.u.HighPart = 0;
pInfo->AllocationSize.u.LowPart = ROUND_UP(DirContext->DirEntry.Fat.FileSize, DeviceExt->FatInfo.BytesPerCluster);
}
pInfo->FileAttributes = DirContext->DirEntry.Fat.Attrib & 0x3f;
}
pInfo->EaSize=0;
return STATUS_SUCCESS;
}
static NTSTATUS DoQuery (PVFAT_IRP_CONTEXT IrpContext)
static NTSTATUS
DoQuery(PVFAT_IRP_CONTEXT IrpContext)
{
NTSTATUS RC = STATUS_SUCCESS;
long BufferLength = 0;
NTSTATUS Status = STATUS_SUCCESS;
LONG BufferLength = 0;
PUNICODE_STRING pSearchPattern = NULL;
FILE_INFORMATION_CLASS FileInformationClass;
unsigned char *Buffer = NULL;
PUCHAR Buffer = NULL;
PFILE_NAMES_INFORMATION Buffer0 = NULL;
PVFATFCB pFcb;
PVFATCCB pCcb;
@ -308,10 +391,10 @@ static NTSTATUS DoQuery (PVFAT_IRP_CONTEXT IrpContext)
PIO_STACK_LOCATION Stack = IrpContext->Stack;
pCcb = (PVFATCCB) IrpContext->FileObject->FsContext2;
pFcb = (PVFATFCB) IrpContext->FileObject->FsContext;
pCcb = (PVFATCCB)IrpContext->FileObject->FsContext2;
pFcb = (PVFATFCB)IrpContext->FileObject->FsContext;
// determine Buffer for result :
/* Determine Buffer for result : */
BufferLength = Stack->Parameters.QueryDirectory.Length;
#if 0
/* Do not probe the user buffer until SEH is available */
@ -327,12 +410,11 @@ static NTSTATUS DoQuery (PVFAT_IRP_CONTEXT IrpContext)
if (!ExAcquireResourceSharedLite(&pFcb->MainResource,
(BOOLEAN)(IrpContext->Flags & IRPCONTEXT_CANWAIT)))
{
RC = VfatLockUserBuffer(IrpContext->Irp, BufferLength, IoWriteAccess);
if (NT_SUCCESS(RC))
{
RC = STATUS_PENDING;
}
return RC;
Status = VfatLockUserBuffer(IrpContext->Irp, BufferLength, IoWriteAccess);
if (NT_SUCCESS(Status))
Status = STATUS_PENDING;
return Status;
}
/* Obtain the callers parameters */
@ -343,15 +425,17 @@ static NTSTATUS DoQuery (PVFAT_IRP_CONTEXT IrpContext)
#else
pSearchPattern = Stack->Parameters.QueryDirectory.FileName;
#endif
FileInformationClass =
Stack->Parameters.QueryDirectory.FileInformationClass;
FileInformationClass = Stack->Parameters.QueryDirectory.FileInformationClass;
if (pSearchPattern)
{
if (!pCcb->SearchPattern.Buffer)
{
FirstQuery = TRUE;
pCcb->SearchPattern.MaximumLength = pSearchPattern->Length + sizeof(WCHAR);
pCcb->SearchPattern.Buffer = ExAllocatePoolWithTag(NonPagedPool, pCcb->SearchPattern.MaximumLength, TAG_VFAT);
pCcb->SearchPattern.Buffer = ExAllocatePoolWithTag(NonPagedPool,
pCcb->SearchPattern.MaximumLength,
TAG_VFAT);
if (!pCcb->SearchPattern.Buffer)
{
ExReleaseResourceLite(&pFcb->MainResource);
@ -365,7 +449,9 @@ static NTSTATUS DoQuery (PVFAT_IRP_CONTEXT IrpContext)
{
FirstQuery = TRUE;
pCcb->SearchPattern.MaximumLength = 2 * sizeof(WCHAR);
pCcb->SearchPattern.Buffer = ExAllocatePoolWithTag(NonPagedPool, 2 * sizeof(WCHAR), TAG_VFAT);
pCcb->SearchPattern.Buffer = ExAllocatePoolWithTag(NonPagedPool,
2 * sizeof(WCHAR),
TAG_VFAT);
if (!pCcb->SearchPattern.Buffer)
{
ExReleaseResourceLite(&pFcb->MainResource);
@ -389,123 +475,135 @@ static NTSTATUS DoQuery (PVFAT_IRP_CONTEXT IrpContext)
DirContext.DirIndex = pCcb->Entry;
}
DPRINT ("Buffer=%p tofind=%wZ\n", Buffer, &pCcb->SearchPattern);
DPRINT("Buffer=%p tofind=%wZ\n", Buffer, &pCcb->SearchPattern);
DirContext.LongNameU.Buffer = LongNameBuffer;
DirContext.LongNameU.MaximumLength = sizeof(LongNameBuffer);
DirContext.ShortNameU.Buffer = ShortNameBuffer;
DirContext.ShortNameU.MaximumLength = sizeof(ShortNameBuffer);
while (RC == STATUS_SUCCESS && BufferLength > 0)
while ((Status == STATUS_SUCCESS) && (BufferLength > 0))
{
RC = FindFile (IrpContext->DeviceExt, pFcb,
&pCcb->SearchPattern, &DirContext, FirstCall);
Status = FindFile(IrpContext->DeviceExt,
pFcb,
&pCcb->SearchPattern,
&DirContext,
FirstCall);
pCcb->Entry = DirContext.DirIndex;
DPRINT ("Found %wZ, RC=%x, entry %x\n", &DirContext.LongNameU, RC, pCcb->Entry);
DPRINT("Found %wZ, Status=%x, entry %x\n", &DirContext.LongNameU, Status, pCcb->Entry);
FirstCall = FALSE;
if (NT_SUCCESS (RC))
if (NT_SUCCESS(Status))
{
switch (FileInformationClass)
{
case FileNameInformation:
RC = VfatGetFileNameInformation (&DirContext,
(PFILE_NAMES_INFORMATION) Buffer,
Status = VfatGetFileNameInformation(&DirContext,
(PFILE_NAMES_INFORMATION)Buffer,
BufferLength);
break;
case FileDirectoryInformation:
RC = VfatGetFileDirectoryInformation (&DirContext,
Status = VfatGetFileDirectoryInformation(&DirContext,
IrpContext->DeviceExt,
(PFILE_DIRECTORY_INFORMATION) Buffer,
(PFILE_DIRECTORY_INFORMATION)Buffer,
BufferLength);
break;
case FileFullDirectoryInformation:
RC = VfatGetFileFullDirectoryInformation (&DirContext,
Status = VfatGetFileFullDirectoryInformation(&DirContext,
IrpContext->DeviceExt,
(PFILE_FULL_DIR_INFORMATION) Buffer,
(PFILE_FULL_DIR_INFORMATION)Buffer,
BufferLength);
break;
case FileBothDirectoryInformation:
RC = VfatGetFileBothInformation (&DirContext,
Status = VfatGetFileBothInformation(&DirContext,
IrpContext->DeviceExt,
(PFILE_BOTH_DIR_INFORMATION) Buffer,
(PFILE_BOTH_DIR_INFORMATION)Buffer,
BufferLength);
break;
default:
RC = STATUS_INVALID_INFO_CLASS;
}
if (RC == STATUS_BUFFER_OVERFLOW || RC == STATUS_INVALID_INFO_CLASS)
{
Status = STATUS_INVALID_INFO_CLASS;
break;
}
if (Status == STATUS_BUFFER_OVERFLOW || Status == STATUS_INVALID_INFO_CLASS)
break;
}
else
{
if (FirstQuery)
{
RC = STATUS_NO_SUCH_FILE;
}
else
{
RC = STATUS_NO_MORE_FILES;
}
Status = (FirstQuery ? STATUS_NO_SUCH_FILE : STATUS_NO_MORE_FILES);
break;
}
Buffer0 = (PFILE_NAMES_INFORMATION) Buffer;
Buffer0->FileIndex = DirContext.DirIndex;
pCcb->Entry = ++DirContext.DirIndex;
BufferLength -= Buffer0->NextEntryOffset;
if (IrpContext->Stack->Flags & SL_RETURN_SINGLE_ENTRY)
{
break;
}
Buffer += Buffer0->NextEntryOffset;
}
if (Buffer0)
{
Buffer0->NextEntryOffset = 0;
RC = STATUS_SUCCESS;
Status = STATUS_SUCCESS;
IrpContext->Irp->IoStatus.Information = Stack->Parameters.QueryDirectory.Length - BufferLength;
}
ExReleaseResourceLite(&pFcb->MainResource);
return RC;
return Status;
}
NTSTATUS VfatDirectoryControl (PVFAT_IRP_CONTEXT IrpContext)
/*
* FUNCTION: directory control : read/write directory informations
*/
NTSTATUS
VfatDirectoryControl(PVFAT_IRP_CONTEXT IrpContext)
{
NTSTATUS RC = STATUS_SUCCESS;
NTSTATUS Status = STATUS_SUCCESS;
IrpContext->Irp->IoStatus.Information = 0;
switch (IrpContext->MinorFunction)
{
case IRP_MN_QUERY_DIRECTORY:
RC = DoQuery (IrpContext);
Status = DoQuery (IrpContext);
break;
case IRP_MN_NOTIFY_CHANGE_DIRECTORY:
DPRINT (" vfat, dir : change\n");
RC = STATUS_NOT_IMPLEMENTED;
DPRINT("VFAT, dir : change\n");
Status = STATUS_NOT_IMPLEMENTED;
break;
default:
// error
DbgPrint ("unexpected minor function %x in VFAT driver\n",
/* Error */
DPRINT("Unexpected minor function %x in VFAT driver\n",
IrpContext->MinorFunction);
RC = STATUS_INVALID_DEVICE_REQUEST;
Status = STATUS_INVALID_DEVICE_REQUEST;
break;
}
if (RC == STATUS_PENDING)
if (Status == STATUS_PENDING)
{
RC = VfatQueueRequest(IrpContext);
Status = VfatQueueRequest(IrpContext);
}
else
{
IrpContext->Irp->IoStatus.Status = RC;
IrpContext->Irp->IoStatus.Status = Status;
IoCompleteRequest (IrpContext->Irp, IO_NO_INCREMENT);
VfatFreeIrpContext(IrpContext);
}
return RC;
return Status;
}
/* EOF */