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more completely implement write operations

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svn path=/trunk/; revision=164
This commit is contained in:
jean 1999-01-13 15:46:52 +00:00
parent 2b59b2c1c2
commit 2d3181f734
1 changed files with 24 additions and 0 deletions
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24
reactos/ntoskrnl/io/rw.c
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@ -171,6 +171,10 @@ NTSTATUS ZwWriteFile(HANDLE FileHandle,
{ {
return(Status); return(Status);
} }
if (ByteOffset==NULL)
{
ByteOffset = &(FileObject->CurrentByteOffset);
}
KeInitializeEvent(&Event,NotificationEvent,FALSE); KeInitializeEvent(&Event,NotificationEvent,FALSE);
Irp = IoBuildSynchronousFsdRequest(IRP_MJ_WRITE, Irp = IoBuildSynchronousFsdRequest(IRP_MJ_WRITE,
@ -181,6 +185,26 @@ NTSTATUS ZwWriteFile(HANDLE FileHandle,
&Event, &Event,
IoStatusBlock); IoStatusBlock);
DPRINT("FileObject->DeviceObject %x\n",FileObject->DeviceObject); DPRINT("FileObject->DeviceObject %x\n",FileObject->DeviceObject);
StackPtr = IoGetNextIrpStackLocation(Irp);
StackPtr->FileObject = FileObject;
StackPtr->Parameters.Write.Length = Length;
if (ByteOffset!=NULL)
{
StackPtr->Parameters.Write.ByteOffset = *ByteOffset;
}
else
{
SET_LARGE_INTEGER_LOW_PART(StackPtr->Parameters.Write.ByteOffset, 0);
SET_LARGE_INTEGER_HIGH_PART(StackPtr->Parameters.Write.ByteOffset, 0);
}
if (Key!=NULL)
{
StackPtr->Parameters.Write.Key = *Key;
}
else
{
StackPtr->Parameters.Write.Key = 0;
}
Status = IoCallDriver(FileObject->DeviceObject,Irp); Status = IoCallDriver(FileObject->DeviceObject,Irp);
if (Status==STATUS_PENDING && (FileObject->Flags & FO_SYNCHRONOUS_IO)) if (Status==STATUS_PENDING && (FileObject->Flags & FO_SYNCHRONOUS_IO))
{ {