how to set locale with C++

[Václav Zeman]

On 9 February 2012 12:13, marco atzeri wrote:
> Attached a small example taken from Bruce Eckel Thinking in C++
>
> On cygwin both this call
>
>  cout.imbue(locale("en_US.UTF-8"));
>
>  cout.imbue(locale("fr_FR.UTF-8"));
>
> raise exception
>
> "terminate called after throwing an instance of 'std::runtime_error'
>  what():  locale::facet::_S_create_c_locale name not valid
> Aborted (core dumped)"
This is GCC/libstdc++ problem. Libstdc++ implements std::locale
depending on OS capabilities. AFAIK the only well working
implementation is the one using GNU locale extension functions. That
pretty much limits well working locale to Glibc targets.

>
> I could understand eventually the second one, but "English (US)" is the
> current windows locale so I expected that at least "en_US.UTF-8" is
> accepted.
>
> What I am missing ?

-- 
VZ

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