In message: <aanlktimjfexdp_9caoqbg3wpxpbglrutdzbw+xm6v...@mail.gmail.com>
Juli Mallett <jmall...@freebsd.org> writes:
: On Thu, Sep 16, 2010 at 04:36, Bruce Evans <b...@optusnet.com.au> wrote:
: > WHat about the lesser burder on a character or two for putting -- in the
: > synopsis where it is more visible:
: >
: > printf [--] format [arguments ...]
:
: Right, that's what I've been thinking about. For that matter, does
: printf(1) need to use getopt(3) at all? It seems like simply checking
: for "--" could be sufficient. Does POSIX require that it exit with an
: error if it's given any options? At the very least, it seems like it
: would be more productive to have printf(1) give unusually-helpful
: error messages (perhaps merely changing its usage output to match that
: synopsis) if it encounters a string beginning with '-' other than
: "--".
if (getenv("POSIX_ME_HARDER") && arg[0] == '-' && arg[1] != '-')
errx(1, "Strict posix compliance says you lose.");
might be all that's needed.
Warner
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