GNU bug report logs - #9614
date: warn on invalid TZ string (was: date ignoring wrong

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From: Andreas Schwab <schwab <at> linux-m68k.org>
To: Sandro Santilli <strk <at> keybit.net>
Cc: 9614 <at> debbugs.gnu.org, Pádraig Brady <P <at> draigBrady.com>
Subject: bug#9614: date ignoring wrong TZ values
Date: Wed, 28 Sep 2011 23:04:11 +0200

Sandro Santilli <strk <at> keybit.net> writes:

> On Wed, Sep 28, 2011 at 12:19:22AM +0200, Andreas Schwab wrote:
>> Pádraig Brady <P <at> draigBrady.com> writes:
>> 
>> > $ TZ=Japan+1 date
>> 
>> This is a well-formed POSIX timezone.
>
> Meaning UTC+1 ?

The timzone name has no meaning, only the offset matters.

>> > $ TZ=Japan date
>> 
>> This is a non-POSIX timezone that happens to match an Olson timezone.
>
> non-POSIX means illegal ?

It means unspecified (but not undefined), ie. the implementation may
reject it or do something sensible.

Andreas.

-- 
Andreas Schwab, schwab <at> linux-m68k.org
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