kafka_tvb_get_string(tvbuff_t *tvb, int offset, int length)
{
    if (length>=0) {
        return tvb_get_string_enc(wmem_packet_scope(), tvb, offset, length, ENC_UTF_8);;
    } else {
        return "[ Null ]";
    }
}
kafka_tvb_get_string(tvbuff_t *tvb, int offset, int length)
{
    if (length>=0) {
        return tvb_get_string_enc(wmem_packet_scope(), tvb, offset, length, ENC_UTF_8);;
    } else {
        return "[ Null ]";
    }
}