X11R7.5 and C.UTF-8

[Ken Brown]

On 10/29/2009 9:42 AM, Jon TURNEY wrote:
> On 29/10/2009 00:07, Andy Koppe wrote:
>> 2009/10/28 Jon TURNEY:
>>> On 28/10/2009 14:22, Ken Brown wrote:
>>>>
>>>> X11R7.5 doesn't like the (default) locale C.UTF-8.  If I start the
>>>> server with 'LANG=C.UTF-8 /usr/bin/startxwin.bat', the server exits
>>>> immediately, and the log has complaints about the locale. If I instead
>>>> use 'LANG=en_US.UTF-8', there's no problem. I've attached both logs and
>>>> cygcheck output.
>>>
>>> Thanks for the bug report.
>>>
>>> I'm afraid I'm not immediately able to reproduce this, though, using the
>>> command you give.
>>
>> You might have LC_ALL or LC_CTYPE set, which would override LANG. Or
>> perhaps startxwin.bat overrides things somewhere along the way?
>>
>> To avoid all that, you could try invoking Xwin directly with LC_ALL
>> set, which is top dog among locale variables.
>>
>>    LC_ALL=C.UTF-8 xwin -multiwindow&
>>
>> It fails with en.UTF-8 too (which also is a legal Cygwin locale), but
>> it works with en_US.UTF-8.
> 
> Nope, I don't have LC_ALL or LC_CTYPE set
> 
> This is pretty curious, since all XSupportsLocale() should be doing 
> effectively is checking if setlocale (LC_ALL, NULL) returns a name it 
> understands.
> 
> Perhaps you can try the attached small test program.

$ LANG=C.UTF-8 ./Xlocale.exe
Setting locale from LANG succeeded
Locale is C.UTF-8
XSupportsLocale returned false

$ LANG=en_US.UTF-8 ./Xlocale.exe
Setting locale from LANG succeeded
Locale is en_US.UTF-8
XSupportsLocale returned true

$ unset LANG

$ ./Xlocale.exe
Setting locale from LANG succeeded
Locale is C
XSupportsLocale returned true

$ uname -a
CYGWIN_NT-5.1 markov 1.7.0(0.214/5/3) 2009-10-03 14:33 i686 Cygwin

Ken


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