Function queryVariableInfo [src]

Prototype

 pub fn queryVariableInfo( self: *const RuntimeServices,attributes: VariableAttributes, ) QueryVariableInfoError!VariableInfo

Parameters

self: *const RuntimeServicesattributes: VariableAttributes

Possible Errors

InvalidParameter

Unexpected UnexpectedError

Unsupported

Source

  pub fn queryVariableInfo(
    self: *const RuntimeServices,
    // Note: .append_write is ignored
    attributes: VariableAttributes,
) QueryVariableInfoError!VariableInfo {
    var res: VariableInfo = undefined;

    switch (self._queryVariableInfo(
        attributes,
        &res.max_variable_storage_size,
        &res.remaining_variable_storage_size,
        &res.max_variable_size,
    )) {
        .success => return res,
        .invalid_parameter => return error.InvalidParameter,
        .unsupported => return error.Unsupported,
        else => |status| return uefi.unexpectedStatus(status),
    }
}  