From owner-freebsd-questions@freebsd.org  Tue Oct 13 09:53:48 2015
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Date: Tue, 13 Oct 2015 11:53:46 +0200
From: Tijl Coosemans <tijl@FreeBSD.org>
To: freebsd-questions@freebsd.org
Cc: kora <kora.jenkins@googlemail.com>
Subject: Re: How to get libiconv on FreeBSD 10 convert utf-8 -> wchar_t ?
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On Tue, 13 Oct 2015 02:29:38 -0700 (MST) kora via freebsd-questions <freebsd-questions@freebsd.org> wrote:
> Hi there,
> I solved it.
> I didn't notice that wchar_t is system dependent !
> 
> I wrote a helpermethod to return the correct wchar_t "tocode" / "fromcode"
> input for the iconv_open().
> Using it now works.
> 
> 
> #define WCHAR_32_LE "UTF-32LE"
> #define WCHAR_32_BE "UTF-32BE"
> #define WCHAR_16_LE "UTF-16LE"
> #define WCHAR_16_BE "UTF-16BE"

Yes, FreeBSD wchar_t is not UTF-32.  If you are using UTF-32 now be
aware that functions like wprintf may not work.  You may want to use
char32_t instead of wchar_t to prevent programming errors.