[1.7] Proposal: the filename encoding in C locale uses UTF-8 instead of SO/UTF-8

IWAMURO Motonori deenheart@gmail.com
Wed May 13 19:13:00 GMT 2009

2009/5/14 Corinna Vinschen <corinna-cygwin@cygwin.com>:
> I already wrote that patch, see
> http://cygwin.com/ml/cygwin-cvs/2009-q2/msg00066.html
> It seems to do what you are proposing.

I read it and built cygwin1.dll. It seems to work correctly.

Should the following part not be modified?

> dev_state->con_mbtowc = __mbtowc;
> dev_state->con_wctomb = __wctomb;

But I think the patch solves only the case of UTF-8 in the thread
starting at http://cygwin.com/ml/cygwin/2009-05/msg00245.html.

It is necessary to separate the following variables for the library
and for the system to support encoding that is not UTF-8.

- __mb_cur_max
- lc_ctype_charset
- __mbtowc
- __wctomb

And these variables are set by LC_ALL/LC_CTYPE/LANG if call
setlocale(LC_CTYPE, "C").
IWAMURO Motnori <http://vmi.jp/>

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