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- fix me (add missing file)

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svn path=/trunk/; revision=38732
This commit is contained in:
Johannes Anderwald 2009-01-12 18:40:08 +00:00
parent efbe4ec231
commit 10462d3a41
1 changed files with 148 additions and 0 deletions
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148
reactos/drivers/wdm/audio/backpln/portcls/connection.c Normal file
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#include "private.h"
NTSYSAPI
BOOLEAN
NTAPI
RtlCreateUnicodeString(
PUNICODE_STRING DestinationString,
PCWSTR SourceString
);
static
NTSTATUS
RegisterConnection(
IN OUT PDEVICE_OBJECT DeviceObject,
IN PUNKNOWN FromUnknown,
IN PUNICODE_STRING FromString,
IN ULONG FromPin,
IN PUNKNOWN ToUnknown,
IN PUNICODE_STRING ToString,
IN ULONG ToPin)
{
PHYSICAL_CONNECTION *NewConnection;
UNICODE_STRING FromUnicodeString = {0, 0, 0};
UNICODE_STRING ToUnicodeString = {0, 0, 0};
ISubdevice * FromSubDevice = NULL;
ISubdevice * ToSubDevice = NULL;
PCExtension* DeviceExt;
DeviceExt = (PCExtension*)DeviceObject->DeviceExtension;
NTSTATUS Status = STATUS_SUCCESS;
if (FromUnknown)
{
Status = FromUnknown->lpVtbl->QueryInterface(FromUnknown, &IID_ISubdevice, (PVOID*)&FromSubDevice);
if (!NT_SUCCESS(Status))
return STATUS_INVALID_PARAMETER;
}
else
{
if (!RtlCreateUnicodeString(&FromUnicodeString, (PCWSTR)FromString))
return STATUS_INSUFFICIENT_RESOURCES;
}
if (ToUnknown)
{
Status = ToUnknown->lpVtbl->QueryInterface(ToUnknown, &IID_ISubdevice, (PVOID*)&ToSubDevice);
}
else
{
if (!RtlCreateUnicodeString(&ToUnicodeString, (PCWSTR)ToString))
Status = STATUS_INSUFFICIENT_RESOURCES;
}
if (!NT_SUCCESS(Status))
{
goto cleanup;
}
NewConnection = ExAllocatePoolWithTag(NonPagedPool, sizeof(PHYSICAL_CONNECTION), TAG_PORTCLASS);
if (!NewConnection)
{
Status = STATUS_INSUFFICIENT_RESOURCES;
goto cleanup;
}
NewConnection->FromPin = FromPin;
NewConnection->FromSubDevice = FromSubDevice;
NewConnection->FromUnicodeString = FromUnicodeString.Buffer;
NewConnection->ToPin = ToPin;
NewConnection->ToSubDevice = ToSubDevice;
NewConnection->ToUnicodeString = ToUnicodeString.Buffer;
InsertTailList(&DeviceExt->PhysicalConnectionList, &NewConnection->Entry);
return STATUS_SUCCESS;
cleanup:
if (FromSubDevice)
FromSubDevice->lpVtbl->Release(FromSubDevice);
if (ToSubDevice)
ToSubDevice->lpVtbl->Release(ToSubDevice);
if (FromUnicodeString.Buffer)
RtlFreeUnicodeString(&FromUnicodeString);
if (ToUnicodeString.Buffer)
RtlFreeUnicodeString(&ToUnicodeString);
return Status;
}
/*
* @implemented
*/
NTSTATUS NTAPI
PcRegisterPhysicalConnection(
IN PDEVICE_OBJECT DeviceObject,
IN PUNKNOWN FromUnknown,
IN ULONG FromPin,
IN PUNKNOWN ToUnknown,
IN ULONG ToPin)
{
if (!DeviceObject || !FromUnknown || !ToUnknown)
return STATUS_INVALID_PARAMETER;
return RegisterConnection(DeviceObject, FromUnknown, NULL, FromPin, ToUnknown, NULL, ToPin);
}
/*
* @implemented
*/
NTSTATUS NTAPI
PcRegisterPhysicalConnectionFromExternal(
IN PDEVICE_OBJECT DeviceObject,
IN PUNICODE_STRING FromString,
IN ULONG FromPin,
IN PUNKNOWN ToUnknown,
IN ULONG ToPin)
{
if (!DeviceObject || !FromString || !ToUnknown)
return STATUS_INVALID_PARAMETER;
return RegisterConnection(DeviceObject, NULL, FromString, FromPin, ToUnknown, NULL, ToPin);
}
/*
* @implemented
*/
NTSTATUS NTAPI
PcRegisterPhysicalConnectionToExternal(
IN PDEVICE_OBJECT DeviceObject,
IN PUNKNOWN FromUnknown,
IN ULONG FromPin,
IN PUNICODE_STRING ToString,
IN ULONG ToPin)
{
if (!DeviceObject || !FromUnknown || !ToString)
return STATUS_INVALID_PARAMETER;
return RegisterConnection(DeviceObject, FromUnknown, NULL, FromPin, NULL, ToString, ToPin);
}