45   pdu->length = sizeof(coap_hdr_t);  in coap_pdu_clear()
66   result->length = pbuf->tot_len;  in coap_pdu_from_pbuf()
163   pdu->length = HEADERLENGTH;  in coap_add_token()
183   opt = (unsigned char *)pdu->hdr + pdu->length;  in coap_add_option()
186   optsize = coap_opt_encode(opt, pdu->max_size - pdu->length,   in coap_add_option()
195     pdu->length += optsize;  in coap_add_option()
215   opt = (unsigned char *)pdu->hdr + pdu->length;  in coap_add_option_later()
218   optsize = coap_opt_encode(opt, pdu->max_size - pdu->length,  in coap_add_option_later()
227     pdu->length += optsize;  in coap_add_option_later()
241   if (pdu->length + len + 1 > pdu->max_size) {  in coap_add_data()
247   pdu->data = (unsigned char *)pdu->hdr + pdu->length;  in coap_add_data()
252   pdu->length += len + 1;  in coap_add_data()
263     *len = (unsigned char *)pdu->hdr + pdu->length - pdu->data;  in coap_get_data()
322 next_option_safe(coap_opt_t **optp, size_t *length) {  in next_option_safe()  argument
327   assert(length);  in next_option_safe()
329   optsize = coap_opt_parse(*optp, *length, &option);  in next_option_safe()
331     assert(optsize <= *length);  in next_option_safe()
334     *length -= optsize;  in next_option_safe()
341 coap_pdu_parse(unsigned char *data, size_t length, coap_pdu_t *pdu) {  in coap_pdu_parse()  argument
347   if (pdu->max_size < length) {  in coap_pdu_parse()
352   if (length < sizeof(coap_hdr_t)) {  in coap_pdu_parse()
358   LWIP_ASSERT("coap_pdu_parse with unexpected length", length == pdu->length);  in coap_pdu_parse()
370     if (length != sizeof(coap_hdr_t) || pdu->hdr->token_length) {  in coap_pdu_parse()
376   if (length < sizeof(coap_hdr_t) + pdu->hdr->token_length  in coap_pdu_parse()
388   memcpy(pdu->hdr + 1, data + sizeof(coap_hdr_t), length - sizeof(coap_hdr_t));  in coap_pdu_parse()
389   pdu->length = length;  in coap_pdu_parse()
396   length -= (pdu->hdr->token_length + sizeof(coap_hdr_t));  in coap_pdu_parse()
399   while (length && *opt != COAP_PAYLOAD_START) {  in coap_pdu_parse()
400     if (!next_option_safe(&opt, (size_t *)&length)) {  in coap_pdu_parse()
407   if (length) {  in coap_pdu_parse()
409     opt++; length--;  in coap_pdu_parse()
411     if (!length) {  in coap_pdu_parse()
417 	  (unsigned char *)pdu->hdr + pdu->length);  in coap_pdu_parse()