Date: Wed, 21 Apr 1999 06:56:13 -0400 (EDT) From: Vince Vielhaber <vev@michvhf.com> To: Daniel O'Callaghan <danny@hilink.com.au> Cc: "Chad R. Larson" <chad@DCFinc.com>, Stephen Montgomery-Smith <stephen@math.missouri.edu>, stable@FreeBSD.ORG Subject: Re: Year 2000 Message-ID: <Pine.BSF.4.05.9904210652010.23825-100000@paprika.michvhf.com> In-Reply-To: <Pine.BSF.4.10.9904211450330.24853-100000@enya.clari.net.au>
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On Wed, 21 Apr 1999, Daniel O'Callaghan wrote: > > > On Mon, 19 Apr 1999, Chad R. Larson wrote: > > > > > > > Just wondering if the internet will face serious problems in 2038 > > > because of all the `old' unix software still running it. > > > > I believe the assumption is that within 30 years, UNIXs will have > > moved time_t from a "long" to a "long long" (or "quad" or whatever). > > Most the commercial vendors (HP-UX, Solaris) have already done this as > > part of their 64-bit UNIX initiatives. > > In my y2k review of the FreeBSD sources, I found *lots* of comments to the > effect that the code was written to work to 2037 and not beyond. > Unfortunately, progressing beyond 2037 is not going to be simply a matter > of changing the definition of time_t and doing 'make world'. > > What we really need is a date calculation library which handles all of the > calculations which are done in a plethora of ways now, so that no-one > needs to make up a half-baked method again. (and yes, I know that "no-one > needs" != "no-one will") Something such as libtai? It covers something on the line of a few hundred billion years to either the second or the attosecond. Go here for details: ftp://koobera.math.uic.edu/www/libtai.html Vince. -- ========================================================================== Vince Vielhaber -- KA8CSH email: vev@michvhf.com flame-mail: /dev/null # include <std/disclaimers.h> TEAM-OS2 Online Campground Directory http://www.camping-usa.com Online Giftshop Superstore http://www.cloudninegifts.com ========================================================================== To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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