Tom Lane wrote:
>
> I notice that in some places we compare the result of getopt(3) to
> "EOF", and in some other places we compare it to "-1". I think we
> should standardize on one or the other; anyone have an opinion
> which it should be?
>
> The man pages I have here (HPUX and Linux) both describe the
> end-of-switches return value as being "-1". The glibc sources also
> use "-1". Replacing this by EOF seems more readable but perhaps is
> not strictly correct.
>
> Are there any platforms that define EOF as something other than -1?
Would the correct question be, "what does POSIX define?". More
and more systems (at least Unix systems) are defining POSIX
interfaces. I don't have my POSIX CD here with me or I would
quote the getopt() definition. I ~think~ it says EOF, and
the target systems include files define what EOF means.