# File lib/chef/win32/security.rb, line 202
      def self.get_security_descriptor_owner(security_descriptor)
        security_descriptor = security_descriptor.pointer if security_descriptor.respond_to?(:pointer)
        result = FFI::Buffer.new :pointer
        defaulted = FFI::Buffer.new :long
        unless GetSecurityDescriptorOwner(security_descriptor, result, defaulted)
          Chef::ReservedNames::Win32::Error.raise!
        end

        sid = SID.new(result.read_pointer, security_descriptor)
        defaulted = defaulted.read_char != 0
        [ sid, defaulted ]
      end