socket.c: reorganize error condition in `mrb_ipsocket_ntop()`.
@@ -518,9 +518,8 @@ mrb_ipsocket_ntop(mrb_state *mrb, mrb_value klass)
char buf[50];
mrb_get_args(mrb, "is", &af, &addr, &n);
- if ((af == AF_INET && n != 4) || (af == AF_INET6 && n != 16))
- mrb_raise(mrb, E_ARGUMENT_ERROR, "invalid address");
- if (inet_ntop((int)af, addr, buf, sizeof(buf)) == NULL)
+ if ((af == AF_INET && n != 4) || (af == AF_INET6 && n != 16) ||
+ inet_ntop((int)af, addr, buf, sizeof(buf)) == NULL)
mrb_raise(mrb, E_ARGUMENT_ERROR, "invalid address");
return mrb_str_new_cstr(mrb, buf);
}
