X-Recipient:	archive-cygwin AT delorie DOT com
X-SWARE-Spam-Status:	No, hits=-1.7 required=5.0 tests=AWL,BAYES_00,RCVD_IN_DNSWL_NONE,T_RP_MATCHES_RCVD,UNPARSEABLE_RELAY
X-Spam-Check-By:	sourceware.org
Message-ID:	<4F513D11.2080203@t-online.de>
Date:	Fri, 02 Mar 2012 22:35:13 +0100
From:	Christian Franke <Christian DOT Franke AT t-online DOT de>
User-Agent:	Mozilla/5.0 (Windows NT 6.1; WOW64; rv:10.0.2) Gecko/20120216 Firefox/10.0.2 SeaMonkey/2.7.2
MIME-Version:	1.0
To:	cygwin AT cygwin DOT com
Subject:	Re: Setting TZ may break time() in non-Cygwin programs
References:	<4F4FD8C6 DOT 5000807 AT t-online DOT de> <20120302091317 DOT GD14404 AT calimero DOT vinschen DOT de>
In-Reply-To:	<20120302091317.GD14404@calimero.vinschen.de>
X-IsSubscribed:	yes
Mailing-List:	contact cygwin-help AT cygwin DOT com; run by ezmlm
List-Id:	<cygwin.cygwin.com>
List-Subscribe:	<mailto:cygwin-subscribe AT cygwin DOT com>
List-Archive:	<http://sourceware.org/ml/cygwin/>
List-Post:	<mailto:cygwin AT cygwin DOT com>
List-Help:	<mailto:cygwin-help AT cygwin DOT com>, <http://sourceware.org/ml/#faqs>
Sender:	cygwin-owner AT cygwin DOT com
Mail-Followup-To:	cygwin AT cygwin DOT com
Delivered-To:	mailing list cygwin AT cygwin DOT com

Corinna Vinschen wrote:
> On Mar  1 21:15, Christian Franke wrote:
>> TZ environment variable is set by default since base-files 4.0.7.
>>
>> Unfortunately this breaks the time() calculation for all non-Cygwin
>> programs run from Cygwin if Microsoft C runtime (mscrt*.dll) is
>> used. MS CRT evaluates TZ but supports only a very old syntax
>> subset. IIRC this is the case since VS1.x (DOS/Win16) and did not
>> change since at least VS10.
> I'm sorry, but I really don't care enough.  If that's a problem, then
> just unset TZ in your environment before calling non-Cygwin tools, no?

Of course, after tracking down the problem to the new TZ it is now easy 
to unset it :-)

No problem in scripts, but inconvenient and error prone for interactive use.


> But, as usual, PTC.

OK, ...

>
> Simple: Unset TZ for Win32 programs run from Cygwin.
>
> More flexible: Set (unset) TZ=CYGWIN_WINENV_TZ if this variable is set 
> (to empty). Otherwise keep TZ as is.
>

would a patch for any of the above have a chance to get accepted?

Christian


--
Problem reports:       http://cygwin.com/problems.html
FAQ:                   http://cygwin.com/faq/
Documentation:         http://cygwin.com/docs.html
Unsubscribe info:      http://cygwin.com/ml/#unsubscribe-simple

- Raw text -