From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
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To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: Does getopt() return "-1", or "EOF", at end? |
Date: | 2002-01-09 21:10:15 |
Message-ID: | 200201092110.g09LAFT10967@candle.pha.pa.us |
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Lists: | 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?
I think -1 is the only way to go. EOF just doesn't seem right for a
non-file access function.
--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 853-3000
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