bug in mbrtowc?

Corinna Vinschen corinna-cygwin@cygwin.com
Tue Jul 28 11:05:00 GMT 2009


On Jul 28 11:37, Dave Korn wrote:
> Corinna Vinschen wrote:
> > 
> > That's a bug in the newlib function __utf8_mbtowc.  I'm really surprised
> > that this bug has never been reported before since it's in the code for
> > years, probably since it has been introduced in 2002.
> 
>   I'm not terribly surprised.  How much use for i18n is there in the typical
> embedded microcontroller?  We're probably the first project to really use this
> code in anger(*);

After having sent my mail I started to wonder as well.  Unicode and
wide-char support in a 64K RAM board sounds like waste.  I had expected
that RTEMS is using this a bit more, though.

>  cf. also how we still shake out the odd longstanding
> floating point bug in newlib, another area that is significantly less-used in
> tiny embedded apps than on desktop workstations.

plus the entirely missing area of long double support.


Corinna



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