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Article #745

Re: Year 2000 problem!

#745
From: Brian Hampson
Date: Wed, 19 Jun 1996 00:00
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ntier@n-tier.co.nz wrote:
: Dear Folks!

: Does anyone out there know how the Year 2000 problem might impact UNIX
: systems? I'm talking about the representation of years as 2 digits.
: This occurs on some systems (eg MVS), but I was wondering if any
: problems will occur on UNIX as well. I am not a UNIX user myself, so I
: was hoping someone who knows UNIX can enlighten me.

Only applications that have decided to store the date as a two digit 
integer, and consider strict numeral conversions will have the problem.  
UNIX is scheduled to run out of "time", as it stands in 2038.  However, 
that gives people a bit of time to work around it.  The C programming 
language neatly gets around an integer time problem by saying that time_t 
is a constantly increasing value...It is NOT guaranteed to be an int or a 
long int...just ever-growing.  

Thus, only applications that use 2 digit years are subject to the 
possibility of problems on 01-01-00

There is an excellent article on this written by Brian Hayes, although I 
don't have the URL handy, a search for "Computing Science Waiting for 
01-01-00" and "Brian Hayes", should no doubt find it.

Cheers,

B.
--

   ------------------------------------------------------------------------
   |Brian P. Hampson                  Internet: brian@asl-labs.bc.ca      |
   |System Administrator,	                      			  |
   |Analytical Service Labs           Fidonet : Brian Hampson 1:153/733   |
   |Vancouver, BC                                                         |
   |+604-253-4188                                                         |
   |               Specialists in Environmental Chemistry                 | 
   |                                                                      |
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From: brian@asl-labs.bc.ca (Brian Hampson)
Subject: Re: Year 2000 problem!
Date: 1996/06/19
Message-ID: <D19960619T32990X4433@grizzly.asl-labs.bc.ca>
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