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Received: by minnie.vk1xwt.ampr.org with NNTP id AA181 ; Fri, 29 Jan 93 05:02:11 EST Path: sserve!manuel.anu.edu.au!munnari.oz.au!spool.mu.edu!darwin.sura.net!newsserver.jvnc.net!gmd.de!Germany.EU.net!mcsun!news.funet.fi!fuug!kiae!newsserv From: "Andrew A. Chernov, Black Mage" <ache@astral.msk.su> Newsgroups: comp.unix.bsd Subject: [386bsd] New patch00071 is slightly wrong Date: Wed, 27 Jan 93 15:50:34 +0300 Distribution: world Organization: Ha-oh-lahm Yetzirah Message-ID: <bIQKePhq40@astral.msk.su> Sender: news-service@newcom.kiae.su Reply-To: ache@astral.msk.su Lines: 18 I just look into new patch00071 of clock.c and found small bug, it don't calculate leap year properly, produce error in 2000 year. ! if (sec < 1970) ! sec += 100; ! leap = !(sec % 4); sec = ytos(sec); /* year */ Correct way to calculate leap year is: #define isleap(y) (((y) % 4) == 0 && ((y) % 100) != 0 || ((y) % 400) == 0) see for example /usr/include/tzfile.h -- In-This-Life: Andrew A. Chernov | "Hay mas dicha, mas contento Internet: ache@astral.msk.su | "Que adorar una hermosura FIDOnet: 2:5020/23.34 | "Brujuleada entre los lejos Organization: The RELCOM Corp. | "De lo imposible?!" (Calderon)