Date: Mon, 20 Jul 2009 17:45:05 +0200
From: Corinna Vinschen <corinna-cygwin@cygwin.com>
To: cygwin@cygwin.com
Subject: Re: mbrtowc bug
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On Jul 20 14:31, Corinna Vinschen wrote:
> On Jul 20 06:21, Eric Blake wrote:
> > -----BEGIN PGP SIGNED MESSAGE-----
> > Hash: SHA1
> > 
> > According to Corinna Vinschen on 7/20/2009 6:08 AM:
> > > I'm running the testcase on XP SP3.  I have an idea why it fails for
> > > you.  The eucJP codepage 20932 is not installed by default on US and
> > > other western language systems by default up to Windows 2003.  What you
> > > have to do is, open the "Regional and Language Options" control panel,
> > > go to the "Advanced" tab, scroll the "Code page conversion tables" list
> > > down to the 20932 entry, select it and install it.
> > > 
> > > This is not necessary anymore startying with Vista, which comes with
> > > almost all important conversion tables preinstalled.
> > 
> > Hmm.  That means we should probably teach setlocale to fail when trying to
> > select an eucJP codeset if we detect that the eucJP tables are not (yet)
> > installed.
> 
> http://cygwin.com/acronyms/#PTC
> 
> > if I build a cygwin package on a system without the code page, the gnulib
> > test skips, but knows (or can be taught) to assume that cygwin's mbrtowc
> > is not broken
> 
> Why is it a problem to do that in the current incarnation?  It's a known
> fact that Cygwin 1.7 will handle these charsets (eucJP, eucKR, SJIS,
> GBK, Big5).

I applied a patch which lets setlocale fail if the codepage necessary
for the conversion isn't installed.


HTH,
Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Project Co-Leader          cygwin AT cygwin DOT com
Red Hat

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