diff options
Diffstat (limited to 'lib/uchar.in.h')
| -rw-r--r-- | lib/uchar.in.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/lib/uchar.in.h b/lib/uchar.in.h index 3815af4c26..8bf6176b8c 100644 --- a/lib/uchar.in.h +++ b/lib/uchar.in.h @@ -494,6 +494,25 @@ _GL_CXXALIASWARN (c32stombs); #endif +/* Number of screen columns needed for a size-bounded 32-bit wide string. */ +#if @GNULIB_C32SWIDTH@ +# if (_GL_WCHAR_T_IS_UCS4 && !GNULIB_defined_mbstate_t) && !defined IN_C32SWIDTH +_GL_BEGIN_C_LINKAGE +_GL_INLINE _GL_ARG_NONNULL ((1)) int +c32swidth (const char32_t *s, size_t n) +{ + return wcswidth ((const wchar_t *) s, n); +} +_GL_END_C_LINKAGE +# else +_GL_FUNCDECL_SYS (c32swidth, int, (const char32_t *s, size_t n) + _GL_ARG_NONNULL ((1))); +# endif +_GL_CXXALIAS_SYS (c32swidth, int, (const char32_t *s, size_t n)); +_GL_CXXALIASWARN (c32swidth); +#endif + + /* Converts a 32-bit wide character to unibyte character. Returns the single-byte representation of WC if it exists, or EOF otherwise. */ |