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Git conversion: Make reactos the root directory, move rosapps, rostests, wallpapers into modules, and delete rossubsys.

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Colin Finck 2017-10-03 07:45:34 +00:00
parent b94e2d8ca0
commit c2c66aff7d
24198 changed files with 0 additions and 37285 deletions
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113
drivers/input/mouclass/misc.c Normal file
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/*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS Mouse class driver
* FILE: drivers/input/mouclass/misc.c
* PURPOSE: Miscellaneous operations
*
* PROGRAMMERS: Hervé Poussineau (hpoussin@reactos.org)
*/
#include "mouclass.h"
#include <debug.h>
static IO_COMPLETION_ROUTINE ForwardIrpAndWaitCompletion;
static NTSTATUS NTAPI
ForwardIrpAndWaitCompletion(
IN PDEVICE_OBJECT DeviceObject,
IN PIRP Irp,
IN PVOID Context)
{
if (Irp->PendingReturned)
KeSetEvent((PKEVENT)Context, IO_NO_INCREMENT, FALSE);
return STATUS_MORE_PROCESSING_REQUIRED;
}
NTSTATUS
ForwardIrpAndWait(
IN PDEVICE_OBJECT DeviceObject,
IN PIRP Irp)
{
PDEVICE_OBJECT LowerDevice;
KEVENT Event;
NTSTATUS Status;
ASSERT(!((PCOMMON_DEVICE_EXTENSION)DeviceObject->DeviceExtension)->IsClassDO);
LowerDevice = ((PPORT_DEVICE_EXTENSION)DeviceObject->DeviceExtension)->LowerDevice;
KeInitializeEvent(&Event, NotificationEvent, FALSE);
IoCopyCurrentIrpStackLocationToNext(Irp);
TRACE_(CLASS_NAME, "Calling lower device %p\n", LowerDevice);
IoSetCompletionRoutine(Irp, ForwardIrpAndWaitCompletion, &Event, TRUE, TRUE, TRUE);
Status = IoCallDriver(LowerDevice, Irp);
if (Status == STATUS_PENDING)
{
Status = KeWaitForSingleObject(&Event, Suspended, KernelMode, FALSE, NULL);
if (NT_SUCCESS(Status))
Status = Irp->IoStatus.Status;
}
return Status;
}
NTSTATUS NTAPI
ForwardIrpAndForget(
IN PDEVICE_OBJECT DeviceObject,
IN PIRP Irp)
{
PDEVICE_OBJECT LowerDevice;
ASSERT(!((PCOMMON_DEVICE_EXTENSION)DeviceObject->DeviceExtension)->IsClassDO);
LowerDevice = ((PPORT_DEVICE_EXTENSION)DeviceObject->DeviceExtension)->LowerDevice;
IoSkipCurrentIrpStackLocation(Irp);
return IoCallDriver(LowerDevice, Irp);
}
NTSTATUS
DuplicateUnicodeString(
IN ULONG Flags,
IN PCUNICODE_STRING SourceString,
OUT PUNICODE_STRING DestinationString)
{
if (SourceString == NULL || DestinationString == NULL
|| SourceString->Length > SourceString->MaximumLength
|| (SourceString->Length == 0 && SourceString->MaximumLength > 0 && SourceString->Buffer == NULL)
|| Flags == RTL_DUPLICATE_UNICODE_STRING_ALLOCATE_NULL_STRING || Flags >= 4)
{
return STATUS_INVALID_PARAMETER;
}
if ((SourceString->Length == 0)
&& (Flags != (RTL_DUPLICATE_UNICODE_STRING_NULL_TERMINATE |
RTL_DUPLICATE_UNICODE_STRING_ALLOCATE_NULL_STRING)))
{
DestinationString->Length = 0;
DestinationString->MaximumLength = 0;
DestinationString->Buffer = NULL;
}
else
{
USHORT DestMaxLength = SourceString->Length;
if (Flags & RTL_DUPLICATE_UNICODE_STRING_NULL_TERMINATE)
DestMaxLength += sizeof(UNICODE_NULL);
DestinationString->Buffer = ExAllocatePoolWithTag(PagedPool, DestMaxLength, CLASS_TAG);
if (DestinationString->Buffer == NULL)
return STATUS_NO_MEMORY;
RtlCopyMemory(DestinationString->Buffer, SourceString->Buffer, SourceString->Length);
DestinationString->Length = SourceString->Length;
DestinationString->MaximumLength = DestMaxLength;
if (Flags & RTL_DUPLICATE_UNICODE_STRING_NULL_TERMINATE)
DestinationString->Buffer[DestinationString->Length / sizeof(WCHAR)] = 0;
}
return STATUS_SUCCESS;
}