GNU bug report logs - #13415
24.3.50; broken set_time_zone_rule with LOCALTIME_CACHE

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Kazuhiro Ito <kzhr <at> d1.dion.ne.jp>
Subject: bug#13415: closed (Re: 24.3.50; broken set_time_zone_rule with
 LOCALTIME_CACHE)
Date: Sat, 12 Jan 2013 01:18:02 +0000

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Your bug report

#13415: 24.3.50; broken set_time_zone_rule with LOCALTIME_CACHE

which was filed against the emacs package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 13415 <at> debbugs.gnu.org.

-- 
13415: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=13415
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

[Message part 2 (message/rfc822, inline)]

From: Paul Eggert <eggert <at> cs.ucla.edu>
To: Kazuhiro Ito <kzhr <at> d1.dion.ne.jp>
Cc: 13415-done <at> debbugs.gnu.org
Subject: Re: 24.3.50; broken set_time_zone_rule with LOCALTIME_CACHE
Date: Fri, 11 Jan 2013 17:17:13 -0800

Thanks for the problem report and fix; I installed it
into the trunk as bzr 111492.

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From: Kazuhiro Ito <kzhr <at> d1.dion.ne.jp>
To: bug-gnu-emacs <at> gnu.org
Subject: 24.3.50; broken set_time_zone_rule with LOCALTIME_CACHE
Date: Fri, 11 Jan 2013 17:26:39 +0000

On trunk, the below code returns unexpected result in LOCALTIME_CACHE
defined environment.

(list
 (progn (set-time-zone-rule "GMT+0")
	(current-time-zone))
 (progn (set-time-zone-rule "GMT+0")
	(current-time-zone)))

-> ((0 "GMT") (-3600 "GMT"))

Please see the below patch.

=== modified file 'src/editfns.c'
--- src/editfns.c	2013-01-11 13:25:10 +0000
+++ src/editfns.c	2013-01-11 17:14:54 +0000
@@ -2188,6 +2188,7 @@
       xputenv (set_time_zone_rule_tz[1]);
     }
   tzset ();
+  tzvalbuf_in_environ = 0;
 #endif
 
   if (!tzstring)

-- 
Kazuhiro Ito

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