[PATCH] <wchar.h>: Make wmempcy, wcwidth, wcswidth available by default

[Andreas Schwab]

On Dez 06 2022, Florian Weimer via Libc-alpha wrote:

> @@ -363,14 +363,14 @@ extern size_t wcsnrtombs (char *__restrict __dst,
>  
>  
>  /* The following functions are extensions found in X/Open CAE.  */
> -#ifdef __USE_XOPEN
> +#if defined __USE_XOPEN || defined __USE_MISC
>  /* Determine number of column positions required for C.  */
>  extern int wcwidth (wchar_t __c) __THROW;
>  
>  /* Determine number of column positions required for first N wide
>     characters (or fewer if S ends before this) in S.  */
>  extern int wcswidth (const wchar_t *__s, size_t __n) __THROW;
> -#endif	/* Use X/Open.  */
> +#endif /* __USE_XOPEN || __USE_MISC.  */

Again, I do not see how that matches what FreeBSD does.  Both
definitions are protected by __XSI_VISIBLE there.

-- 
Andreas Schwab, SUSE Labs, schwab@suse.de
GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE  1748 E4D4 88E3 0EEA B9D7
"And now for something completely different."