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From: Garrett Wollman <wollman@csail.mit.edu>
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Date: Mon, 9 Nov 2009 11:31:06 -0500
To: "Joseph S. Atkinson" <jsa.bsd@gmail.com>
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Cc: freebsd-standards@freebsd.org
Subject: timezone: long vs char*
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<<On Sun, 08 Nov 2009 19:41:03 -0500, "Joseph S. Atkinson" <jsa.bsd@gmail.com> said:

> Hello. I was working on bringing audio/liboggz up to date in ports, but hit a 
> snag. liboggz expects timezone information to be long, which is (I am told) in 
> accordance with SUSv3. FreeBSD is appears to be returning char*.

> I asked about this in #bsdports and was told that it appears that FreeBSD is 
> wrong in this case and should be fixed. I saw no mention of this as a known 
> issue on the standards webpage.

I think the people on "#bsdports" (an IRC channel, I assume) are
wrong.  FreeBSD has never targeted conformance to any version of SUS,
which memorializes a large number of UNIX System V's historic
mistakes.  We do target conformance to POSIX (IEEE Std. 1003.1-2008 is
the current version).

In the POSIX specification, the declarations of "timezone" and
"daylight" in <time.h> are flagged as "XSI", meaning that they are
part of the X/Open System Interfaces extension, which in turn means
that they are part of SUS but not POSIX.

-GAWollman