/* Determine number of column positions required for first N wide
characters (or fewer if S ends before this) in S. */
int
wcswidth (const wchar_t *s, size_t n)
{
int result = 0;
while (n-- > 0 && *s != L'\0')
{
int now = internal_wcwidth (*s);
if (now == -1)
return -1;
result += now;
++s;
}
return result;
}
/* Determine number of column positions required for CH. */
int
wcwidth (wchar_t ch)
{
return internal_wcwidth (ch);
}
/* Determine number of column positions required for CH. */
int
wcwidth (wint_t ch)
{
return internal_wcwidth (ch);
}
