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Message-ID: <20121026083405.GE16801@mahoro.ispfabriek.nl>
Date: Fri, 26 Oct 2012 10:34:06 +0200
From: Yoran Heling <info@...hel.nl>
To: musl@...ts.openwall.com
Subject: Re: localtime() isn't local
On 2012-10-26, Szabolcs Nagy wrote:
> * Yoran Heling <info@...hel.nl> [2012-10-26 09:57:37 +0200]:
> > $ musl-gcc localtime.c -o localtime-musl
> > $ gcc localtime.c -o localtime-glibc
> > $ ./localtime-musl
> > Local: 07:53:47
> > Global: 07:53:47
> > $ ./localtime-glibc
> > Local: 09:53:50
> > Global: 07:53:50
> > $ date
> > Fri Oct 26 09:53:51 CEST 2012
> >
>
> what is the TZ environment variable?
>
> that's the only method localtime (and tzset)
> should support in posix to determine the timezone
>
> you may want to try
>
> TZ=CEST ./localtime-musl
Ah, I didn't realize that the use of /etc/localtime wasn't part of
POSIX. I don't have a TZ variable set, so that explains the output.
TZ=CEST didn't work, but TZ=CEST-2 did the trick.
This is quite a bummer, though. I use musl to create static binaries for
Linux, and every glibc-based distribution (i.e. the vast majority) uses
/etc/localtime rather than the TZ variable. :-(
Thanks for the clarification.
Yoran
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