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Message-ID: <20190911120722.6ed0b3fb@inria.fr>
Date: Wed, 11 Sep 2019 12:07:22 +0200
From: Jens Gustedt <jens.gustedt@...ia.fr>
Cc: musl@...ts.openwall.com
Subject: Re: printf doesn't respect locale
Hello Szabolcs,
On Wed, 11 Sep 2019 12:01:59 +0200 Szabolcs Nagy <nsz@...t70.net> wrote:
> > We would be *extremely* disappointed if LC_NUMERIC would never be
> > supported in upstream musl. We would have to maintain a patch to
> > add LC_NUMERIC support when the rest of musl's locale support is
> > developed.
>
> i consider this a posix/iso c bug.
I agree
> there is a need for printf with fixed C.UTF-8 locale in
> library code that implements a file format, language or
> protocol that cannot be locale dependent.
>
> in iso c there is no way to get this.
>
> in posix 2008 you have to jump through very bizarre hoops
> to get it (in a slow and resource wasting way).
>
> so the world is full of printf users that just expect
> fixed C.UTF-8 locale and hope nobody calls setlocale.
>
> telling ppl that their code is wrong does not help unless
> you provide an alternative, but introducing new api for
> this would not be portable.
I think that WG14 would be happy to hear any suggestions how we could
get out of this trap, a proposal for C2x would even be better.
Thanks
Jens
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