Global coap_split_query (const uint8_t *s, size_t length, unsigned char *buf, size_t *buflen): This function does not reserve additional space for delta > 12.
Global make_decoded_option (const uint8_t *s, size_t length, unsigned char *buf, size_t buflen, size_t *optionsize): This function does not split segments that are bigger than 270 bytes.