static int
match_range_longchar(longchar * a, longchar * b, longchar * c, int ignore)
{
#ifdef USE_M17N
if (a->type != b->type || a->type != c->type)
return 0;
if (a->type == RE_TYPE_WCHAR_T) {
if (a->wch.ccs != c->wch.ccs || c->wch.ccs != b->wch.ccs)
return 0;
#ifdef USE_UNICODE
if (ignore) {
wc_uint32 uc = wc_any_to_ucs(c->wch);
if (wc_is_ucs_alpha(uc)) {
wc_uint32 ua = wc_any_to_ucs(a->wch);
wc_uint32 ub = wc_any_to_ucs(b->wch);
wc_uint32 upper = wc_ucs_toupper(uc);
wc_uint32 lower = wc_ucs_tolower(uc);
wc_uint32 title = wc_ucs_totitle(uc);
return ((ua <= upper && upper <= ub) ||
(ua <= lower && lower <= ub) ||
(ua <= title && title <= ub));
}
}
#endif
return (a->wch.code <= c->wch.code && c->wch.code <= b->wch.code);
}
#endif
if (ignore && IS_ALPHA(c->ch))
return ((a->ch <= TOLOWER(c->ch) && TOLOWER(c->ch) <= b->ch) ||
(a->ch <= TOUPPER(c->ch) && TOUPPER(c->ch) <= b->ch));
else
return (a->ch <= c->ch && c->ch <= b->ch);
}
wc_bool
wc_is_ucs_alnum(wc_uint32 ucs)
{
return (wc_is_ucs_alpha(ucs) || wc_is_ucs_digit(ucs));
}