Re: Does getopt() return "-1", or "EOF", at end?

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.

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