strftime(3) is not a variadic function; there's exactly one argument after the format string. Signed-off-by: Alejandro Colomar <alx@kernel.org>
This macro makes sure that the first argument is an array, and calculates its size. Reviewed-by: "Serge E. Hallyn" <serge@hallyn.com> Signed-off-by: Alejandro Colomar <alx@kernel.org>