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From:	"Beman Dawes" <bdawes AT acm DOT org>
Subject:	Re: Unicode in filenames support?
Date:	Fri, 10 Jun 2005 22:08:30 -0400
Lines:	37
Message-ID:	<d8dgqk$3eh$1@sea.gmane.org>
References:	<42A547D8 DOT 9000707 AT ropas DOT snu DOT ac DOT kr>
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"Jaeho Shin" <netj AT ropas DOT snu DOT ac DOT kr> wrote in message 
news:42A547D8 DOT 9000707 AT ropas DOT snu DOT ac DOT kr...

>I'm having problem with accessing files that have Unicode in their
>filenames.
>
>...

The Boost Filesystem library (www.boost.org/libs/filesystem) release version 
does not currently support Unicode or other wide-character filenames. The 
"i18n" branch in the Boost CVS does provide that support. It can be 
configured to traffic externally in wide-character Unicode filenames (on 
NTFS or other file systems with direct wide-character support) or multi-byte 
narrow-character encodings such as UTF-8.

A mini-review of the internationalized version of Boost.Filesystem should 
begin on the Boost developer's mailing list in a week or so. I also plan to 
propose the library later this year to the C++ standards committee for the 
second library technical report.

The library works nicely with GCC on other platforms, but there is a problem 
with the C library shipped with GCC/Cygwin. It doesn't support wide 
characters, and that in turn prevents C++ std::wstring from working. And 
that prevents Boost.Filesystem from working.

I've been in contact with Newlib people working on the problem in, which is 
where the problem needs to be solved. They really need encouragement that 
people do care about wide character support, and that not having it is a 
black eye for an otherwise excellent and highly appreciated Cygwin effort. 
IMO of course.

--Beman Dawes






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