| @node wcwidth |
| @section @code{wcwidth} |
| @findex wcwidth |
| |
| POSIX specification:@* @url{https://pubs.opengroup.org/onlinepubs/9699919799/functions/wcwidth.html} |
| |
| Gnulib module: wcwidth |
| |
| Portability problems fixed by Gnulib: |
| @itemize |
| @item |
| This function is missing on some platforms: |
| Minix 3.1.8, mingw, MSVC 14. |
| @item |
| This function is not declared (without @code{-D_GNU_SOURCE}) on some platforms: |
| glibc 2.8. |
| @item |
| This function handles combining characters in UTF-8 locales incorrectly on some |
| platforms: |
| OpenBSD 5.8. |
| @item |
| This function returns 2 for characters with ambiguous east asian width, even in |
| Western locales, on some platforms: |
| Solaris 11.4. |
| @end itemize |
| |
| Portability problems not fixed by Gnulib: |
| @itemize |
| @item |
| On Windows and 32-bit AIX platforms, @code{wchar_t} is a 16-bit type and therefore cannot |
| accommodate all Unicode characters. |
| @item |
| This function treats zero-width spaces like control characters on some |
| platforms: |
| AIX 7.2. |
| @end itemize |
