public static byte DeviceDsmValidateInput([NativeTypeName("PDEVICE_DSM_DEFINITION")] DEVICE_DSM_DEFINITION *Definition, [NativeTypeName("PDEVICE_DSM_INPUT")] DEVICE_MANAGE_DATA_SET_ATTRIBUTES *Input, [NativeTypeName("DWORD")] uint InputLength)
{
uint Max = 0;
uint Min = 0;
byte Valid = 0;
if (Definition->Action != Input->Action)
{
goto Cleanup;
}
if (Definition->ParameterBlockLength != 0)
{
Min = unchecked ((uint)(sizeof(DEVICE_MANAGE_DATA_SET_ATTRIBUTES)));
Max = InputLength;
if (Input->ParameterBlockOffset < Min || Input->ParameterBlockOffset > Max || (Input->ParameterBlockOffset % Definition->ParameterBlockAlignment) != 0)
{
goto Cleanup;
}
Min = Definition->ParameterBlockLength;
Max = InputLength - Input->ParameterBlockOffset;
if (Input->ParameterBlockLength < Min || Input->ParameterBlockLength > Max)
{
goto Cleanup;
}
}
if ((Input->Flags & 0x00000001) == 0)
{
Min = unchecked ((uint)(sizeof(DEVICE_MANAGE_DATA_SET_ATTRIBUTES)));
Max = InputLength;
if (Input->DataSetRangesOffset < Min || Input->DataSetRangesOffset > Max || (Input->DataSetRangesOffset % 8) != 0)
{
goto Cleanup;
}
Min = unchecked ((uint)(sizeof(DEVICE_DATA_SET_RANGE)));
Max = InputLength - Input->DataSetRangesOffset;
if (Input->DataSetRangesLength < Min || Input->DataSetRangesLength > Max || (Input->DataSetRangesLength % Min) != 0)
{
goto Cleanup;
}
if ((Definition->SingleRange) != 0 && Input->DataSetRangesLength != Min)
{
goto Cleanup;
}
}
else
{
if (Input->DataSetRangesOffset != 0 || Input->DataSetRangesLength != 0)
{
goto Cleanup;
}
}
if (Input->ParameterBlockOffset < Input->DataSetRangesOffset && Input->ParameterBlockOffset + Input->ParameterBlockLength > Input->DataSetRangesOffset)
{
goto Cleanup;
}
if (Input->DataSetRangesOffset < Input->ParameterBlockOffset && Input->DataSetRangesOffset + Input->DataSetRangesLength > Input->ParameterBlockOffset)
{
goto Cleanup;
}
Valid = 1;
Cleanup:
return(Valid);
}
public static DEVICE_DATA_SET_RANGE *DeviceDsmDataSetRanges([NativeTypeName("PDEVICE_DSM_INPUT")] DEVICE_MANAGE_DATA_SET_ATTRIBUTES *Input)
{
return((DEVICE_DATA_SET_RANGE *)((nuint)(Input) + Input->DataSetRangesOffset));
}
/// <include file='Windows.xml' path='doc/member[@name="Windows.DeviceDsmInitializeInput"]/*' />
public static void DeviceDsmInitializeInput([NativeTypeName("PDEVICE_DSM_DEFINITION")] DEVICE_DSM_DEFINITION *Definition, [NativeTypeName("PDEVICE_DSM_INPUT")] DEVICE_MANAGE_DATA_SET_ATTRIBUTES *Input, [NativeTypeName("DWORD")] uint InputLength, [NativeTypeName("DWORD")] uint Flags, [NativeTypeName("PVOID")] void *Parameters, [NativeTypeName("DWORD")] uint ParameterBlockLength)
{
uint Bytes = 28;
Unsafe.InitBlockUnaligned((Input), 0, (InputLength));
Input->Size = unchecked (Bytes);
Input->Action = Definition->Action;
Input->Flags = Flags;
if (ParameterBlockLength == 0)
{
goto Cleanup;
}
unchecked (Bytes) = unchecked (((Bytes) + ((Definition->ParameterBlockAlignment) - 1)) / (Definition->ParameterBlockAlignment) * (Definition->ParameterBlockAlignment));
Input->ParameterBlockOffset = unchecked (Bytes);
Input->ParameterBlockLength = ParameterBlockLength;
if (Parameters == null)
{
goto Cleanup;
}
Unsafe.CopyBlockUnaligned((DeviceDsmParameterBlock(Input)), (Parameters), (Input->ParameterBlockLength));
Cleanup:
return;
}
public static void *DeviceDsmParameterBlock([NativeTypeName("PDEVICE_DSM_INPUT")] DEVICE_MANAGE_DATA_SET_ATTRIBUTES *Input)
{
return((void *)((nuint)(Input) + Input->ParameterBlockOffset));
}
