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ACPI_METHOD_ARGUMENT_LENGTH_FROM_ARGUMENT Macro
The ACPI_METHOD_ARGUMENT_LENGTH_FROM_ARGUMENT macro calculates the size, in bytes, of the data that is contained in the Data array of an ACPI_METHOD_ARGUMENT structure.
ACPI_METHOD_ARGUMENT_LENGTH_FROM_ARGUMENT macro ACPI Devices
03/17/2023
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ACPI_METHOD_ARGUMENT_LENGTH_FROM_ARGUMENT macro

The ACPI_METHOD_ARGUMENT_LENGTH_FROM_ARGUMENT macro calculates the size, in bytes, of the data that is contained in the Data array of an ACPI_METHOD_ARGUMENT structure.

Syntax

void ACPI_METHOD_ARGUMENT_LENGTH_FROM_ARGUMENT(
    Argument
);

Parameters

Argument A pointer to an ACPI_METHOD_ARGUMENT structure.

Return value

The size, in bytes, of the data that is contained in the Data array of the ACPI_METHOD_ARGUMENT structure that Argument points to.

Remarks

A driver can use this macro to determine the size, in bytes, of the data in the Data array of an ACPI_METHOD_ARGUMENT structure.

Requirements

Target platform: Desktop

Header: acpiioct.h (include Acpiioct.h)

See also

ACPI_METHOD_ARGUMENT