From: Corinna Vinschen <corinna-cygwin@cygwin.com>
To: cygwin@cygwin.com
Subject: Re: Mg3a - a version of Mg2a developed on Cygwin
Date: Thu, 24 Feb 2011 11:55:00 -0000 [thread overview]
Message-ID: <20110224115511.GU9392@calimero.vinschen.de> (raw)
In-Reply-To: <epgcm65b24sp2i6eign548lr7s5vl5kbqb@4ax.com>
On Feb 24 12:40, Bengt Larsson wrote:
> Corinna Vinschen wrote:
> >> Using wcswidth isn't very useful in the editor because it has special
> >> requirements, like showing control characters with ^C.
> >
> >Well, it's not really such a big problem to special case wide char
> >control values and just call wcswidth otherwise...
>
> Oh I see. wcwidth takes a wchar_t. Handily, Kuhn's implementation takes
> an UCS character. Now I understand what you mean by wcswidth.
Yeah, newlibs wcswidth combines UTF-16 surrogates into UCS-32 chars
and calls the internal __wcwidth function, which is basically Kuhn's
code, and which takes a wint_t as parameter. Since wint_t is 32 bit...
Of course, this trick doesn't work for wcwidth, which will blindly
call __wcwidth with every incoming surrogate half.
Corinna
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Corinna Vinschen Please, send mails regarding Cygwin to
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next prev parent reply other threads:[~2011-02-24 11:55 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-23 8:57 Bengt Larsson
2011-02-23 9:11 ` Bengt Larsson
2011-02-23 9:29 ` Corinna Vinschen
2011-02-23 9:33 ` Bengt Larsson
2011-02-23 18:25 ` Buchbinder, Barry (NIH/NIAID) [E]
2011-02-23 18:53 ` Andrew Schulman
2011-02-23 19:36 ` Bengt Larsson
2011-02-24 8:56 ` Corinna Vinschen
2011-02-24 10:56 ` Bengt Larsson
2011-02-24 11:15 ` Corinna Vinschen
2011-02-24 11:40 ` Bengt Larsson
2011-02-24 11:55 ` Corinna Vinschen [this message]
2011-02-24 12:16 ` Andy Koppe
2011-02-24 18:51 ` Bengt Larsson
2011-02-25 2:24 ` Cyrille Lefevre
2011-02-25 2:25 ` Cyrille Lefevre
2011-02-25 6:48 ` Bengt Larsson
2011-02-25 6:47 ` Bengt Larsson
2011-02-25 6:55 ` Kenneth Wolcott
2011-02-25 14:09 ` Bengt Larsson
2011-02-25 21:46 ` Bengt Larsson
2011-02-26 2:48 ` Kenneth Wolcott
2011-02-24 11:19 ` Bengt Larsson
2011-02-24 11:51 ` Corinna Vinschen
2011-02-24 14:48 ` Eric Blake
2011-02-25 8:05 ` wcwidth and terminals [Re: Mg3a - a version of Mg2a developed on Cygwin] Thomas Wolff
2011-02-25 11:06 ` Corinna Vinschen
2011-02-26 9:52 ` Andy Koppe
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