On Wed, 9 Jan 2002 16:10:15 -0500 (EST)
Bruce Momjian <pgman@candle.pha.pa.us> wrote:
> 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?
>
> I think -1 is the only way to go. EOF just doesn't seem right for a
> non-file access function.
FWIW, here's a quote from the FreeBSD man page:
The getopt() function was once specified to return EOF instead of -1. This was changed by IEEE Std 1003.2-1992
(``POSIX.2'')to decouple getopt() from <stdio.h>.
--
Richard Kuhns rjk@grauel.com
PO Box 6249 Tel: (765)477-6000 \
100 Sawmill Road x319
Lafayette, IN 47903 (800)489-4891 /
