The Year 2038 Problem Part II


	The Year 2038 Problem Part II

revenantdm

6-13-2008 8:58 PM

109 views

tags:

2038, y2k bug, unix, time, technology, computers, operating system

revenantdm says:

Still could we be facing a huge problem with Legacy Code in 2038???

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<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/07548d67-1094-4da8-917e-c718b9f8fa49/62FD6FFE-02BF-4910-8E9D-472F360E9154/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://pw2.netcom.com/~rogermw/Y2038.html" href="http://pw2.netcom.com/~rogermw/Y2038.html" style="font-size: 11px;">pw2.netcom.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://pw2.netcom.com/~rogermw/Y2038.html"><H1>The Year 2038 Problem</H1></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://pw2.netcom.com/~rogermw/Y2038.html"><H3>Will fixing Year 2000 bugs help fix Year 2038 bugs?</H3></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://pw2.netcom.com/~rogermw/Y2038.html">
No</blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://pw2.netcom.com/~rogermw/Y2038.html">
Year 2038 bugs, on the other hand, occur when a program reads in a date and
carries it around from one part of itself to another</blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://pw2.netcom.com/~rogermw/Y2038.html"><TT>time_t</TT> is a convenient way to handle dates and times
inside a C or C++ program</blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://pw2.netcom.com/~rogermw/Y2038.html">Only after the program is done manipulating its <TT>time_t</TT> dates,
and wants to display them to the user or store them in a database, will
they have to be converted back into days, months, and years</blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://pw2.netcom.com/~rogermw/Y2038.html">
Admittedly, some of my colleagues don't feel that this impending disaster
will strike too many people</blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://pw2.netcom.com/~rogermw/Y2038.html">They reason that, by the time 2038 rolls
around, most programs will be running on 64-bit or even 128-bit computers</blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://pw2.netcom.com/~rogermw/Y2038.html">
The problem with this kind of optimism is the same root problem behind most of
the Year 2000 concerns</blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://pw2.netcom.com/~rogermw/Y2038.html">Legacy Code</blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://pw2.netcom.com/~rogermw/Y2038.html">
Even if every PC in the year 2038 has a 64-bit CPU, there will be a <I>lot</I>
of older 32-bit programs running on them</blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;">&nbsp;</td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/62FD6FFE-02BF-4910-8E9D-472F360E9154/blog/" title="blog or email this clip"><img src="http://content8.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>