ACPI_METHOD_ARGUMENT_LENGTH macro
The ACPI_METHOD_ARGUMENT_LENGTH macro calculates the size, in bytes, of a variable-length ACPI_METHOD_ARGUMENT structure that contains data of a specified size, in bytes.
Syntax
void ACPI_METHOD_ARGUMENT_LENGTH(
DataLength
);
Parameters
- DataLength
The size, in bytes, of data in the Data array of an ACPI_METHOD_ARGUMENT structure.
Return value
The size, in bytes, of a variable-length ACPI_METHOD_ARGUMENT structure that can contains a Data array whose size, in bytes, is DataLength.
Remarks
A driver can use this macro to calculate the required size, in bytes, of a variable-length ACPI_METHOD_ARGUMENT structure that can contain a Data array of a specified size, in bytes.
Requirements
Target platform |
Desktop |
Version |
Windows 2000 and later versions of Windows. |
Header |
Acpiioct.h (include Acpiioct.h) |
See also