if ((max != 0) && (len > max))
if ((n_max >= 0) && (len > n_max))
static int req_check_len(int len, int min, int max)	{	if (len < min)		{		BIO_printf(bio_err,"string is too short, it needs to be at least %d bytes long\n",min);		return(0);		}	if ((max != 0) && (len > max))		{		BIO_printf(bio_err,"string is too long, it needs to be less than  %d bytes long\n",max);		return(0);		}	return(1);	}