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Bulk build test by naddy.
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of wide characters. This will fix a problem of uim-fep pre-edit display.
OK stsp@
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code positions U+D800 to U+DFFF (UTF-16 surrogates), U+FFFE, and U+FFFF.
http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
http://unicode.org/faq/utf_bom.html#utf8-4
ok phessler, millert, miod, deraadt
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is supposed to ignore the 'n' parameter and return the number of wide
characters needed to represent the given multi-byte character sequence.
However, in the special case where 'pwcs' is NULL and 'n' is zero, our
mbsrtowcs() implementation for single-byte locales mistakenly returned zero.
Before the UTF-8 locale was added, this bug was invisible to callers of
mbstowcs() because mbstowcs() handled this special case itself.
But our new mbstowcs() implementation simply forwards to the locale-specific
mbsrtowcs() implementation and expects it to do the right thing.
The "awesome" window manager's "Run:" command prompt uses mbstowcs() to
measure how many (possibly multi-byte) characters a user has typed, and
due to this bug would always be tricked into thinking the user had entered
zero characters when a single-byte locale was used.
Found after prodding by dcoppa.
ok deraadt sthen espie
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add missing prototype
ok stsp@
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conversion interfaces of libc (mbrtowc(3) and friends) with new
implementations that internally call an API based on NetBSD's citrus.
This allows us to support locales with multi-byte character encodings.
Provide two implementations of the citrus-based API: one based on the old
single-byte placeholders for use with our existing single-byte character
locales (C, ISO8859-*, KOI8, CP1251, etc.), and one that provides support
for UTF-8 encoded characters (code based on FreeBSD's implementation).
Install the en_US.UTF-8 ctype locale support file, and allow the UTF-8
ctype locale to be enabled via setlocale(3) (export LC_CTYPE='en_US.UTF-8').
A lot of programs, especially from ports, will now start using UTF-8 if the
UTF-8 locale is enabled. Use at your own risk, and please report any breakage.
Note that ncurses-based programs cannot display UTF-8 right now, this is being
worked on.
To prevent install media growth, add vfprintf(3) and mbrtowc(3) to libstubs.
The mbrtowc stub was copied unchanged from its old single-byte placeholder.
vfprintf.c doesn't need to be copied, just put in .PATH (hint by fgsch@).
Testing by myself, naddy, sthen, nicm, espie, armani, Dmitrij D. Czarkoff.
ok matthieu espie millert sthen nicm deraadt
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okay deraadt@
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