https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=209617
Bug ID: 209617
Summary: wctomb() is completely broken when UTF-8 locales are
used
Product: Base System
Version: 10.3-RELEASE
Hardware: Any
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: bin
Assignee: freebsd-bugs@FreeBSD.org
Reporter: j...@iki.fi
For any and all unicode code points larger than 0xff wctomb() returns -1
and sets errno to EILSEQ when LC_CTYPE is set to a UTF-8 locale.
Another symptom of something going wrong is that the proper UTF-8 encoding
for code point 0xff would be two bytes 11000011 10111111, but wctomb() just
passes it through as one byte 11111111 with no conversion.
I noticed this on FreeBSD 10.3-STABLE r299892 on amd64.
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