kientzle 3a229bf1d0 When deciding which characters (of a filename, for instance)
are safe to print, try to take into account the current locale.
This iterates over output strings using mbtowc() to identify
multi-byte sequences.  If iswprint() claims the corresponding
wide character is printable, the original bytes are passed
through.  Otherwise, we expand characters into C-style
\-escape sequences.

Submitted by:	Michihiro NAKAJIMA
MFC after:	30 days
2008-11-29 20:06:53 +00:00
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