Function stringDisplayWidth

popt/popthelp.c:118–134

* Determine number of display characters in a string. * @param s string * @return no. of display characters. */

 * @return		no. of display characters.
 */
static inline size_t stringDisplayWidth(const char *s)
{
    size_t n = strlen(s);
#ifdef HAVE_MBSRTOWCS
    mbstate_t t;

    memset ((void *)&t, 0, sizeof (t));	/* In initial state.  */
    /* Determine number of display characters.  */
    n = mbsrtowcs (NULL, &s, n, &t);
#else
    n = 0;
    for (; *s; s = POPT_next_char(s))
	n++;
#endif

    return n;
}

/**
 * @param opt		option(s)