[PATCH] CJK ambiguous width for non-Unicode charsets

Corinna Vinschen vinschen@redhat.com
Fri Nov 26 08:08:00 GMT 2010


On Nov 19 07:17, Andy Koppe wrote:
> On 18 November 2010 11:03, Corinna Vinschen wrote:
> > On Nov 17 21:34, Andy Koppe wrote:
> >> On 16 November 2010 17:58, Corinna Vinschen wrote:
> >> > On Nov  9 22:06, Andy Koppe wrote:
> >> >> The attached small patch affects character widths as reported by
> >> >> wcwidth(). It addresses an obscure issue.
> >> >>[...]
> >> >>       * libc/locale/locale.c: Fix ambigous width to one for singlebyte
> >> >>       charsets and two for non-Unicode multibyte charsets.
> >> >
> >> > This appears to make a lot of sense.  Would you mind to enhance your
> >> > patch slightly to fix also the description in the locale.c
> >> > documentation?  There's a related paragraph starting with "This
> >> > implementation also supports a single modifier, <<"cjknarrow">>..."
> >>
> >> Sorry, I hadn't seen that. Amended patch attached.
> >>
> >>       * libc/locale/locale.c (loadlocale): Fix width of CJK ambigous
> >>       characters to 1 for singlebyte charsets and 2 for non-Unicode
> >>       multibyte charsets. Change documentation accordingly.
> >
> > Thank you.  Applied with a minor change.  @ is a special character
> > in the docs and has to be doubled ("@@") to be treated literally.
> > I just removed it entirely since the @ is not part of the modifier
> > itself.
> 
> Thanks.
> 
> In further testing I realised that the cjknarrow modifier wasn't
> implemented for "C.<charset>" locales (since previously there was no
> point in that). Patch attached to make it work.
> 
> 	* libc/locale/locale.c (loadlocale): Recognise the "cjknarrow"
> 	modifier on "C.<charset>" locales too.
> 
> Here's a small test for this:
> [...]

Looks good.  Applied.


Thanks,
Corinna

-- 
Corinna Vinschen
Cygwin Project Co-Leader
Red Hat



More information about the Newlib mailing list