Date: Thu, 9 Oct 2008 20:06:01 -0700 (PDT) From: mdh <mdh_lists@yahoo.com> To: freebsd-questions@FreeBSD.org Subject: Re: uptime 2 years! Message-ID: <958963.64003.qm@web56806.mail.re3.yahoo.com> In-Reply-To: <48EEA4B3.3050707@gmail.com>
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--- On Thu, 10/9/08, Eitan Adler <eitanadlerlist@gmail.com> wrote:
> From: Eitan Adler <eitanadlerlist@gmail.com>
> Subject: Re: uptime 2 years!
> To: freebsd-questions@FreeBSD.org
> Date: Thursday, October 9, 2008, 8:41 PM
> Lowell Gilbert wrote:
> [snip]
> > And in theory it should be possible to change time_t
> to unsigned, and
> > get another two-thirds of a century out of it...
> >
> However this would break binary compatibility with anything
> compiled
> before the change.
One thing to consider is that changing any signed value to an unsigned value then prevents functions which return that type from returning -1 (or otherwise <0) to indicate an error condition. Even if it doesn't affect anything at all in the base system, it could impact untold sums of software developed not in the base system.
- mdh
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