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

From Doug Royer
Subject Re: Does getopt() return "-1", or "EOF", at end?
Date
Msg-id 3C3CB5D3.256A7D13@Royer.com
Whole thread Raw
In response to Does getopt() return "-1", or "EOF", at end?  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-hackers
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.
Attachment

pgsql-hackers by date:

Previous
From: Tom Lane
Date:
Subject: Re: Does getopt() return "-1", or "EOF", at end?
Next
From: "Greg Sabino Mullane"
Date:
Subject: Bzip2 postgres tarballs