Andres Freund <andres(at)2ndquadrant(dot)com> writes:
> I'd like to add support for the length modifier %z. Linux' manpages
> describes it as:
> z A following integer conversion corresponds to a size_t or ssize_t argument.
> Since gcc's printf format checks understand it, we can add support for
> it similar to the way we added %m support.
I think you'll find that %m is a totally different animal, because it
doesn't involve consuming an argument position. I'm less than sure that
every version of gcc will recognize %z, either ... and what about the
translation infrastructure?
regards, tom lane