[tz] question regarding 'timezone' variable
christos at zoulas.com
Wed Sep 2 15:15:36 UTC 2015
On Sep 2, 7:47am, eggert at cs.ucla.edu (Paul Eggert) wrote:
-- Subject: Re: [tz] question regarding 'timezone' variable
| I assume you mean strftime, not strptime, as there's no strptime in tzcode.
I was looking at the strptime implementation on NetBSD and forgot that this
was not part of tzcode. I will see how to fix that code not to set TM_ZONE
to NULL in some cases.
| I guess the strftime code was written to be portable to localtime
| implementations that have tm_zone but set it to NULL, and also have tzname and
| set it correctly. I'm pretty sure there are no such implementations; certainly
| tzcode itself doesn't do that. The idea of tm_zone and tm_gmtoff
| implementations not knowing the time zone is problematic; even if tm_zone ==
| NULL would denote that, what value would tm_gmtoff be set to? Also, since
| release 2014g, zdump has not worked with such implementations but nobody has
| reported problems with it. So the attached proposed patch removes this
| unnecessary complication, making strftime.c behave as zdump.c already does in
| this area.
Right, thanks I like this patch...
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