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	Fri, 10 Jul 1998 08:11:34 +1000
Date: Fri, 10 Jul 1998 08:11:34 +1000
From: Bruce Evans <bde@zeta.org.au>
Message-Id: <199807092211.IAA03868@godzilla.zeta.org.au>
To: cdillon@wolves.k12.mo.us, imp@village.org
Subject: Re: cvs commit: src/release Makefile
Cc: committers@FreeBSD.ORG, des@FreeBSD.ORG, jdp@polstra.com
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>: But maybe we should add another zero to the 
>: front so we can claim to be year-10000 compliant.
>
>Not until time_t has more than 32 bits.  To be year 10000 compliant
>you need to have at least 40 bits in your time_t structure, and
>FreeBSD, on intel, has 31 bits currently past 1970.[*]

This limit is not very i386-specific.  On alpha, time_t has 32 bits
since anything else would give incompatible ffs layouts.

>[*] as all of the dates with the top bit set represent dates before
>1970.

Nothing in POSIX or ANSI requires such dates to be supported (or not
supported).

Bruce

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