/// <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 uint DeviceDsmGetOutputLength([NativeTypeName("PDEVICE_DSM_DEFINITION")] DEVICE_DSM_DEFINITION *Definition, [NativeTypeName("DWORD")] uint OutputBlockLength)
{
uint Bytes = 0;
if (Definition->HasOutput == 0)
{
goto Cleanup;
}
Bytes = unchecked ((uint)(sizeof(DEVICE_MANAGE_DATA_SET_ATTRIBUTES_OUTPUT)));
if (Definition->OutputBlockLength == 0)
{
goto Cleanup;
}
if (Definition->OutputBlockLength > OutputBlockLength)
{
OutputBlockLength = Definition->OutputBlockLength;
}
Bytes = (((Bytes) + ((Definition->OutputBlockAlignment) - 1)) / (Definition->OutputBlockAlignment) * (Definition->OutputBlockAlignment));
Bytes += OutputBlockLength;
Cleanup:
return(Bytes);
}
public static void DeviceDsmInitializeOutput([NativeTypeName("PDEVICE_DSM_DEFINITION")] DEVICE_DSM_DEFINITION *Definition, [NativeTypeName("PDEVICE_DSM_OUTPUT")] DEVICE_MANAGE_DATA_SET_ATTRIBUTES_OUTPUT *Output, [NativeTypeName("DWORD")] uint OutputLength, [NativeTypeName("DWORD")] uint Flags)
{
uint Bytes = 36;
Unsafe.InitBlockUnaligned((Output), 0, (OutputLength));
Output->Size = unchecked (Bytes);
Output->Action = Definition->Action;
Output->Flags = Flags;
if (Definition->OutputBlockLength != 0)
{
unchecked (Bytes) = unchecked (((Bytes) + ((Definition->OutputBlockAlignment) - 1)) / (Definition->OutputBlockAlignment) * (Definition->OutputBlockAlignment));
Output->OutputBlockOffset = unchecked (Bytes);
Output->OutputBlockLength = unchecked (OutputLength - Bytes);
}
return;
}
public static byte DeviceDsmValidateOutput([NativeTypeName("PDEVICE_DSM_DEFINITION")] DEVICE_DSM_DEFINITION *Definition, [NativeTypeName("PDEVICE_DSM_OUTPUT")] DEVICE_MANAGE_DATA_SET_ATTRIBUTES_OUTPUT *Output, [NativeTypeName("DWORD")] uint OutputLength)
{
uint Max = 0;
uint Min = 0;
byte Valid = 0;
if (Definition->Action != Output->Action)
{
goto Cleanup;
}
if (Definition->HasOutput == 0)
{
goto Cleanup;
}
if (Definition->OutputBlockLength != 0)
{
Min = unchecked ((uint)(sizeof(DEVICE_MANAGE_DATA_SET_ATTRIBUTES_OUTPUT)));
Max = OutputLength;
if (Output->OutputBlockOffset < Min || Output->OutputBlockOffset > Max || (Output->OutputBlockOffset % Definition->OutputBlockAlignment) != 0)
{
goto Cleanup;
}
Min = Definition->OutputBlockLength;
Max = OutputLength - Output->OutputBlockOffset;
if (Output->OutputBlockLength < Min || Output->OutputBlockLength > Max)
{
goto Cleanup;
}
}
else
{
if (Output->OutputBlockOffset != 0 || Output->OutputBlockLength != 0)
{
goto Cleanup;
}
}
Valid = 1;
Cleanup:
return(Valid);
}
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 byte DeviceDsmValidateOutputLength([NativeTypeName("PDEVICE_DSM_DEFINITION")] DEVICE_DSM_DEFINITION *Definition, [NativeTypeName("DWORD")] uint OutputLength)
{
uint Bytes = DeviceDsmGetOutputLength(Definition, 0);
return((byte)((OutputLength >= Bytes) ? 1 : 0));
}
