Date: Thu, 16 Dec 1999 21:53:59 +0000 From: Brian Somers <brian@Awfulhak.org> To: Andre Albsmeier <andre.albsmeier@mchp.siemens.de> Cc: freebsd-bugs@FreeBSD.ORG, brian@hak.lan.Awfulhak.org Subject: Re: bin/15520: mktime() fails under certain conditions Message-ID: <199912162153.VAA02879@hak.lan.Awfulhak.org> In-Reply-To: Message from Andre Albsmeier <andre.albsmeier@mchp.siemens.de> of "Thu, 16 Dec 1999 12:40:05 PST." <199912162040.MAA33173@freefall.freebsd.org>
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> The following reply was made to PR bin/15520; it has been noted by GNATS.
>
> From: Andre Albsmeier <andre.albsmeier@mchp.siemens.de>
> To: Poul-Henning Kamp <phk@critter.freebsd.dk>
> Cc: Andre Albsmeier <andre.albsmeier@mchp.siemens.de>,
> FreeBSD-gnats-submit@FreeBSD.ORG
> Subject: Re: bin/15520: mktime() fails under certain conditions
> Date: Thu, 16 Dec 1999 21:36:47 +0100
>
> On Thu, 16-Dec-1999 at 21:24:41 +0100, Poul-Henning Kamp wrote:
> > In message <199912162016.VAA97593@internal>, Andre Albsmeier writes:
> >
> > >mktime() fails if it is called with a time that is exactly
> > >the moment when daylight saving time is starting.
> >
> > Well, at least for the "spring forward case" that time doesn't
> > exist:
> >
> > 01:59:57
> > 01:59:58
> > 01:59:59
> > 03:00:00
> >
> > There is no 02:00:00 that night. If they test for that, they're
> > crazy.
>
> Yes, the time does not exist. However, I only wonder it our
> behaviour of returning an error is correct in this case. I don't
> trust the GNU/Linux guys as much as I trust FreeBSD :-) but there
> might be a reason they are testing it.
>
> I was already asked in private email if the mktime() should
> succeed according to POSIX.1... Does somebody know anything
> about that?
I don't, but I've got a few PRs that I'd like to close WRT date -v
skipping over such times... so I'd be interested in any definitive
answers that anyone can come up with.
> -Andre
--
Brian <brian@Awfulhak.org> <brian@FreeBSD.org>
<http://www.Awfulhak.org>; <brian@OpenBSD.org>
Don't _EVER_ lose your sense of humour ! <brian@FreeBSD.org.uk>
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