// ntddstor.h

BOOLEAN DeviceDsmValidateOutputLength(
  PDEVICE_DSM_DEFINITION Definition,
  ULONG                  OutputLength
);
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Windows Driver Kit DDI reference (nf-ntddstor-devicedsmvalidateoutputlength)

DeviceDsmValidateOutputLength function

Description

The DeviceDsmValidateOutputLength function validates the length of an output buffer.

Parameters

`Definition`

Pointer to a DEVICE_DSM_DEFINITION structure that defines the operation.

`OutputLength`

Length, in bytes, of the output buffer.

Return value

DeviceDsmValidateOutputLength returns TRUE when the length of the output buffer is valid; otherwise, it returns FALSE.

Remarks

The output buffer includes the DEVICE_DSM_OUTPUT structure plus the output block that immediately follows it, if any.

See Data Set Management Overview for more details on handling a DSM.

DeviceDsmValidateOutputLength - NtDoc