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Groups > comp.lang.c > #164671

Re: UTF-8 strings in C

From om@iki.fi (Otto J. Makela)
Newsgroups comp.lang.c
Subject Re: UTF-8 strings in C
Date 2022-01-27 13:32 +0200
Organization Games and Theory
Message-ID <87lez1pg6c.fsf@tigger.extechop.net> (permalink)
References (6 earlier) <87lezih5b5.fsf@tigger.extechop.net> <87h7a6h0lp.fsf@tigger.extechop.net> <srtvd7$143n0$2@solani.org> <87k0es9kag.fsf@tigger.extechop.net> <sshlmu$vqi$1@dont-email.me>

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James Kuyper <jameskuyper@alumni.caltech.edu> wrote:

> The set of valid extended characters is locale-dependent (5.2.1p1). In
> the "C" locale on my system, there are none - only the basic character
> set is supported. It's not clear to me that the C standard requires
> this, but it certainly allows it.
>
> You need to use setlocale() to select a locale that supports UTF-8.
> Which locales are supported depend upon your implementation. On my
> platform, the default locale (the one chosen if the second argument of
> setlocale() is "") is determined by the LC_LANG environment, which I
> have set to "en_US.UTF-8". When I insert setlocale(LC_CTYPE, "") in
> your program before the mblen() call, I get the following results:
>
>  'Ä' c3 84 00 2

Yep, that setlocale() call did it. I actually have the semi-joke value
of LANG=en_DK.UTF-8 in my environment, produces good results for me.

https://unix.stackexchange.com/questions/62316/why-is-there-no-euro-english-locale
-- 
   /* * * Otto J. Makela <om@iki.fi> * * * * * * * * * */
  /* Phone: +358 40 765 5772, ICBM: N 60 10' E 24 55' */
 /* Mail: Mechelininkatu 26 B 27,  FI-00100 Helsinki */
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Thread

Re: UTF-8 strings in C Bonita Montero <Bonita.Montero@gmail.com> - 2022-01-10 07:17 +0100
  Re: UTF-8 strings in C Mateusz Viste <mateusz@xyz.invalid> - 2022-01-10 09:32 +0100
    Re: UTF-8 strings in C Bonita Montero <Bonita.Montero@gmail.com> - 2022-01-10 11:26 +0100
      Re: UTF-8 strings in C Bonita Montero <Bonita.Montero@gmail.com> - 2022-01-10 11:55 +0100
        Re: UTF-8 strings in C Bonita Montero <Bonita.Montero@gmail.com> - 2022-01-10 14:38 +0100
          Re: UTF-8 strings in C om@iki.fi (Otto J. Makela) - 2022-01-14 14:26 +0200
            Re: UTF-8 strings in C om@iki.fi (Otto J. Makela) - 2022-01-14 16:07 +0200
              Re: UTF-8 strings in C Bonita Montero <Bonita.Montero@gmail.com> - 2022-01-14 15:42 +0100
              Re: UTF-8 strings in C Philipp Klaus Krause <pkk@spth.de> - 2022-01-15 09:08 +0100
                Re: UTF-8 strings in C om@iki.fi (Otto J. Makela) - 2022-01-22 11:44 +0200
                Re: UTF-8 strings in C Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2022-01-22 04:48 -0800
                Re: UTF-8 strings in C Richard Damon <Richard@Damon-Family.org> - 2022-01-22 08:27 -0500
                Re: UTF-8 strings in C James Kuyper <jameskuyper@alumni.caltech.edu> - 2022-01-22 14:25 -0500
                Re: UTF-8 strings in C om@iki.fi (Otto J. Makela) - 2022-01-27 13:32 +0200
                Re: UTF-8 strings in C om@iki.fi (Otto J. Makela) - 2022-01-27 13:33 +0200
                Re: UTF-8 strings in C James Kuyper <jameskuyper@alumni.caltech.edu> - 2022-01-27 11:08 -0500
                Re: UTF-8 strings in C Tim Rentsch <tr.17687@z991.linuxsc.com> - 2022-02-03 22:23 -0800
          Re: UTF-8 strings in C Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2022-01-14 04:41 -0800
            Re: UTF-8 strings in C Bonita Montero <Bonita.Montero@gmail.com> - 2022-01-14 14:43 +0100
              Re: UTF-8 strings in C Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2022-01-14 05:45 -0800
                Re: UTF-8 strings in C Mateusz Viste <mateusz@xyz.invalid> - 2022-01-14 15:10 +0100
                Re: UTF-8 strings in C Bonita Montero <Bonita.Montero@gmail.com> - 2022-01-14 15:43 +0100
                Re: UTF-8 strings in C Bart <bc@freeuk.com> - 2022-01-14 15:50 +0000
                Re: UTF-8 strings in C Bonita Montero <Bonita.Montero@gmail.com> - 2022-01-14 17:50 +0100
                Re: UTF-8 strings in C Mateusz Viste <mateusz@xyz.invalid> - 2022-01-14 17:17 +0100
                Re: UTF-8 strings in C Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2022-01-14 08:34 -0800
                Re: UTF-8 strings in C Mateusz Viste <mateusz@xyz.invalid> - 2022-01-14 17:42 +0100
                Re: UTF-8 strings in C Bonita Montero <Bonita.Montero@gmail.com> - 2022-01-14 17:51 +0100
                Re: UTF-8 strings in C Mateusz Viste <mateusz@xyz.invalid> - 2022-01-14 18:07 +0100
                Re: UTF-8 strings in C Bonita Montero <Bonita.Montero@gmail.com> - 2022-01-14 18:19 +0100
                Re: UTF-8 strings in C Tim Rentsch <tr.17687@z991.linuxsc.com> - 2022-02-07 09:02 -0800

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