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Bug fixes and redesign of a few ioctls

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svn path=/trunk/; revision=1585
This commit is contained in:
Phillip Susi 2001-01-31 02:24:46 +00:00
parent 20916cab69
commit 79c82716fa
1 changed files with 17 additions and 23 deletions
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40
reactos/drivers/dd/blue/blue.c
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@ -1,4 +1,4 @@
/* $Id: blue.c,v 1.28 2000/09/29 15:03:21 jean Exp $
/* $Id: blue.c,v 1.29 2001/01/31 02:24:46 phreak Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
@ -286,9 +286,7 @@ STDCALL ScrIoControl (PDEVICE_OBJECT DeviceObject, PIRP Irp)
PIO_STACK_LOCATION stk = IoGetCurrentIrpStackLocation (Irp);
PDEVICE_EXTENSION DeviceExtension;
NTSTATUS Status;
DeviceExtension = DeviceObject->DeviceExtension;
switch (stk->Parameters.DeviceIoControl.IoControlCode)
{
case IOCTL_CONSOLE_GET_SCREEN_BUFFER_INFO:
@ -462,24 +460,21 @@ STDCALL ScrIoControl (PDEVICE_OBJECT DeviceObject, PIRP Irp)
case IOCTL_CONSOLE_WRITE_OUTPUT_ATTRIBUTE:
{
POUTPUT_ATTRIBUTE Buf = (POUTPUT_ATTRIBUTE)Irp->AssociatedIrp.SystemBuffer;
PWORD pAttr = (PWORD)MmGetSystemAddressForMdl(Irp->MdlAddress);
COORD *pCoord = (COORD *)MmGetSystemAddressForMdl(Irp->MdlAddress);
CHAR *pAttr = (CHAR *)(pCoord + 1);
char *vidmem;
int offset;
DWORD dwCount;
vidmem = DeviceExtension->VideoMemory;
offset = (Buf->dwCoord.Y * DeviceExtension->Columns * 2) +
(Buf->dwCoord.X * 2) + 1;
offset = (pCoord->Y * DeviceExtension->Columns * 2) +
(pCoord->X * 2) + 1;
for (dwCount = 0; dwCount < stk->Parameters.Write.Length; dwCount++, pAttr++)
for (dwCount = 0; dwCount < (stk->Parameters.Write.Length - sizeof( COORD )); dwCount++, pAttr++)
{
vidmem[offset + (dwCount * 2)] = (char) *pAttr;
vidmem[offset + (dwCount * 2)] = *pAttr;
}
Buf->dwTransfered = dwCount;
Irp->IoStatus.Information = sizeof(OUTPUT_ATTRIBUTE);
Irp->IoStatus.Information = 0;
Status = STATUS_SUCCESS;
}
break;
@ -542,24 +537,23 @@ STDCALL ScrIoControl (PDEVICE_OBJECT DeviceObject, PIRP Irp)
case IOCTL_CONSOLE_WRITE_OUTPUT_CHARACTER:
{
POUTPUT_CHARACTER Buf = (POUTPUT_CHARACTER)Irp->AssociatedIrp.SystemBuffer;
LPSTR pChar = (LPSTR)MmGetSystemAddressForMdl(Irp->MdlAddress);
COORD *pCoord;
LPSTR pChar;
char *vidmem;
int offset;
DWORD dwCount;
pCoord = (COORD *)MmGetSystemAddressForMdl(Irp->MdlAddress);
pChar = (CHAR *)(pCoord + 1);
vidmem = DeviceExtension->VideoMemory;
offset = (Buf->dwCoord.Y * DeviceExtension->Columns * 2) +
(Buf->dwCoord.X * 2) + 1;
offset = (pCoord->Y * DeviceExtension->Columns * 2) +
(pCoord->X * 2);
for (dwCount = 0; dwCount < stk->Parameters.Write.Length; dwCount++, pChar++)
for (dwCount = 0; dwCount < (stk->Parameters.Write.Length - sizeof( COORD )); dwCount++, pChar++)
{
vidmem[offset + (dwCount * 2)] = (char) *pChar;
vidmem[offset + (dwCount * 2)] = *pChar;
}
Buf->dwTransfered = dwCount;
Irp->IoStatus.Information = sizeof(OUTPUT_ATTRIBUTE);
Irp->IoStatus.Information = 0;
Status = STATUS_SUCCESS;
}
break;