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To: Bruce Evans <brde@optusnet.com.au>
cc: Peter Wemm <peter@wemm.org>, freebsd-arch@freebsd.org
Subject: Re: PowerPC 64-bit time_t
In-reply-to: <20160624194454.D1013@besplex.bde.org>
From: "Poul-Henning Kamp" <phk@phk.freebsd.dk>
References: <3FB65E20-0376-4041-86DE-F8CAB7F37314@freebsd.org>
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Date: Fri, 24 Jun 2016 11:07:10 +0000
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--------
In message <20160624194454.D1013@besplex.bde.org>, Bruce Evans writes:

>The only practical option for i386 is to change to unsigned time_t before
>2038 and hope that i386 goes away before that runs out in 2106.  Changing
>to uint32_t time_t mainly requires doing something with times before the
>Epoch.  These are unsupported in POSIX, but are supposed to work back to
>1902 with int32_t in FreeBSD, except 1 second before the Epoch is the
>same as the error code (time_t)(-1) so it doesn't work right.

I'd recommend it, dates one timezones worth before epoch are far too
common in contemporary traffic (particular HTTP).

Why don't we make a i387[1] port where time_t is 64 bit and where we jettison
the museum-ready IBM PC baggage ?


[1] Of course a joke reference to floating point HW being mandatory.

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk@FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.