Re: Redhat 7.3 time manipulation bug
Manuel Sugawara <masm@fciencias.unam.mx>
From: Manuel Sugawara <masm@fciencias.unam.mx>
To: Lamar Owen <lamar.owen@wgcr.org>
Cc: PostgreSQL Hackers List <pgsql-hackers@postgresql.org>, teg@redhat.com (Trond Eivind Glomsrød )
Date: 2002-05-21T15:04:00Z
Lists: pgsql-hackers
Lamar Owen <lamar.owen@wgcr.org> writes: > On Monday 20 May 2002 08:08 pm, Manuel Sugawara wrote: > > > Where would we go to ferret out the source of this bug? More to the > > > point: we need a test case in C that could expose this as a glibc > > > bug. > > > Seems like mktime(3) is having problems with dates before the > > epoch. Attached is the a program to test this. The glibc source is now > > downloading I will try to hunt down this bug but not until the next > > week. > > It's not a bug. At least not according to the ISO C standard. See > http://www.opengroup.org/onlinepubs/007904975/basedefs/xbd_chap04.html#tag_04_14 > for the definition of 'Seconds Since the Epoch', then > cross-reference to the man page of mktime. I see. This behavior is consistent with the fact that mktime is supposed to return -1 on error, but then is broken in every other Unix implementation that I know. Any other workaround than downgrade or install FreeBSD? Regards, Manuel.