From: Tom Honermann <tom@honermann.net>
To: libc-alpha <libc-alpha@sourceware.org>
Subject: [PATCH 0/3]: C++20 P0482R6 and C2X N2653: support for char8_t, mbrtoc8(), and c8rtomb().
Date: Sun, 27 Feb 2022 11:53:12 -0500 [thread overview]
Message-ID: <d6ac90a2-7bb3-3f21-abd7-8695a1cec835@honermann.net> (raw)
This series of patches provides the following:
- A fix for bug 25744 [1].
- Implementations of the mbrtoc8 and c8rtomb functions adopted for
C++20 via WG21 P0482R6 [2] and for C2X via WG14 N2653 [3].
- A char8_t typedef as adopted for C2X via WG14 N2653 [3].
These patches addresses feedback provided in response to a previous
submission [4].
Patch 1: A fix and test for bug 25744 [1].
Patch 2: Definitions of the mbrtoc8 and c8rtomb functions and the
char8_t typedef.
Patch 3: Tests for the mbrtoc8 and c8rtomb functions and the char8_t
typedef.
The fix for bug 25744 [1] is included in this patch series because the
tests for mbrtoc8 and c8rtomb depend on it for exercising the special
case where a pair of Unicode code points is converted to/from a single
double byte sequence. Such conversion cases exist for Big5-HKSCS.
N2653 was adopted by WG14 for C2X during their recent meeting. This
patch series enables the new declarations in C2X mode and when
_GNU_SOURCE is defined.
Thank you to Joseph Myers and Carlos O'Donell for their prior reviews of
this patch series.
Tom.
[1]: Bug 25744
"mbrtowc with Big5-HKSCS returns 2 instead of 1 when consuming the
second byte of certain double byte characters"
https://sourceware.org/bugzilla/show_bug.cgi?id=25744
[2]: WG21 P0482R6
"char8_t: A type for UTF-8 characters and strings (Revision 6)"
https://wg21.link/p0482r6
[3]: WG14 N2653
"char8_t: A type for UTF-8 characters and strings (Revision 1)"
http://www.open-std.org/jtc1/sc22/wg14/www/docs/n2653.htm
[4]: "[PATCH 2/3]: C++20 P0482R6 and C2X N2653: Implement mbrtoc8,
c8rtomb, char8_t"
https://sourceware.org/pipermail/libc-alpha/2022-February/136558.html
next reply other threads:[~2022-02-27 16:53 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-02-27 16:53 Tom Honermann [this message]
2022-03-23 15:32 ` Tom Honermann
2022-05-16 16:04 ` Tom Honermann
-- strict thread matches above, loose matches on Subject: below --
2022-01-08 0:39 Tom Honermann
2021-06-07 2:07 Tom Honermann
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