Re: [Qemu-devel] [PATCH] curses: build with -std=gnu99

[Samuel Thibault]

Markus Armbruster, on Fri 28 Oct 2016 08:51:20 +0200, wrote:
> Samuel Thibault <address@hidden> writes:
> 
> > Peter Maydell, on Thu 27 Oct 2016 17:52:17 +0100, wrote:
> >> http://www.thecodingforums.com/threads/wchar_t-is-useless.806149/#post-4398211
> >
> > UURrgll... So we can't use L'\u23bd' on such systems, it would just not
> > work either, we have to use iconv to get these right...
> 
> I guess we can if they actually bother to conform to C99.  6.4.3
> Universal character names:
> 
>     The universal character name \Unnnnnnnn designates the character
>     whose eight-digit short identifier (as specified by ISO/IEC 10646)
>     is nnnnnnnn.  Similarly, the universal character name \unnnn
>     designates the character whose four-digit short identifier is nnnn
>     (and whose eight-digit short identifier is 0000nnnn).
> 
> Note that it doesn't say here that L'\u23bd' should be equal to 0x23bd.

I know, but as discussed in the thread, that could only work if gcc
embeds something like calls to nl_langinfo and iconv to properly convert
from the unicode value to the proper wchar_t according to the locale.  I
wouldn't be surprised that they don't.

Samuel