Newsgroups: comp.arch
Path: utzoo!henry
From: henry@zoo.toronto.edu (Henry Spencer)
Subject: Re: 64 bits
Message-ID: <1990Aug12.010928.5480@zoo.toronto.edu>
Organization: U of Toronto Zoology
References: <5539@darkstar.ucsc.edu> <13285@yunexus.YorkU.CA> <30728@super.ORG> <13667@cbmvax.commodore.com> <40644@mips.mips.COM> <1990Aug8.042631.7093@nlm.nih.gov> <1990Aug8.215735.4197@zoo.toronto.edu> <46173@ism780c.isc.com> <2418@crdos1.crd.ge.COM> <MEISSNER.90Aug10101645@osf.osf.org>
Date: Sun, 12 Aug 90 01:09:28 GMT

In article <MEISSNER.90Aug10101645@osf.osf.org> meissner@osf.org (Michael Meissner) writes:
>Regarding 64 bit ints, and such -- another thing that will soon need
>to be 64 bits on UNIX systems, is the value time_t returns.  This is
>the number of seconds since the UNIX epoch (Jan 1, 1970), and with 32
>bit signed ints, it runs out on Monday January 18 at 22:14:07 in the
>year 2038.

Note that neither ANSI C nor 1003.1 promises that time_t is signed...
although changing that would itself be a bit disruptive.
-- 
It is not possible to both understand  | Henry Spencer at U of Toronto Zoology
and appreciate Intel CPUs. -D.Wolfskill|  henry@zoo.toronto.edu   utzoo!henry
