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| author | Bruno Haible <bruno@clisp.org> | 2023-05-04 13:52:42 +0200 |
|---|---|---|
| committer | Bruno Haible <bruno@clisp.org> | 2023-05-04 13:52:42 +0200 |
| commit | 103acbb1bde27ab19005994b6f3c85693d642a8a (patch) | |
| tree | 0ac4ae2c4eb9a7d84665fa95721517ad317324aa /lib/uchar.in.h | |
| parent | 1304b9698bd1757b29550d38e5c80d233e65aa01 (diff) | |
| download | gnulib-103acbb1bde27ab19005994b6f3c85693d642a8a.tar.gz | |
c32width: New module.
* lib/uchar.in.h (c32width): New declaration.
* lib/c32width.c: New file, based on lib/c32is-impl.h.
* modules/c32width: New file.
* m4/uchar_h.m4 (gl_UCHAR_H_REQUIRE_DEFAULTS): Initialize
GNULIB_C32WIDTH.
* modules/uchar (Makefile.am): Substitute GNULIB_C32WIDTH.
Diffstat (limited to 'lib/uchar.in.h')
| -rw-r--r-- | lib/uchar.in.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/lib/uchar.in.h b/lib/uchar.in.h index cc4f2adee5..3815af4c26 100644 --- a/lib/uchar.in.h +++ b/lib/uchar.in.h @@ -379,6 +379,24 @@ _GL_CXXALIASWARN (c32toupper); #endif +/* Number of screen columns needed for a 32-bit wide character. */ +#if @GNULIB_C32WIDTH@ +# if (_GL_WCHAR_T_IS_UCS4 && !GNULIB_defined_mbstate_t) && !defined IN_C32WIDTH +_GL_BEGIN_C_LINKAGE +_GL_INLINE int +c32width (char32_t wc) +{ + return wcwidth (wc); +} +_GL_END_C_LINKAGE +# else +_GL_FUNCDECL_SYS (c32width, int, (char32_t wc)); +# endif +_GL_CXXALIAS_SYS (c32width, int, (char32_t wc)); +_GL_CXXALIASWARN (c32width); +#endif + + /* Converts a 32-bit wide character to a multibyte character. */ #if @GNULIB_C32RTOMB@ # if @REPLACE_C32RTOMB@ |