int s2n_error_get_alert()

in tls/s2n_alerts.c [211:235]

• 22 lines of code
• 9 McCabe index (conditional complexity)

int s2n_error_get_alert(int error, uint8_t *alert)
{
    int error_type = s2n_error_get_type(error);

    POSIX_ENSURE_REF(alert);

    switch (error_type) {
        case S2N_ERR_T_OK:
        case S2N_ERR_T_CLOSED:
        case S2N_ERR_T_BLOCKED:
        case S2N_ERR_T_USAGE:
        case S2N_ERR_T_ALERT:
            POSIX_BAIL(S2N_ERR_NO_ALERT);
            break;
        case S2N_ERR_T_PROTO:
            POSIX_GUARD_RESULT(s2n_translate_protocol_error_to_alert(error, alert));
            break;
        case S2N_ERR_T_IO:
        case S2N_ERR_T_INTERNAL:
            *alert = S2N_TLS_ALERT_INTERNAL_ERROR;
            break;
    }

    return S2N_SUCCESS;
}