57   pdu->used_size = 0;  in coap_pdu_clear()
208     size_t length = old_pdu->used_size - old_pdu->e_token_length -  in coap_pdu_duplicate()
210                      old_pdu->used_size - (old_pdu->data - old_pdu->token) +1 : 0);  in coap_pdu_duplicate()
216     pdu->used_size += length;  in coap_pdu_duplicate()
311   if (pdu->used_size) {  in coap_add_token()
353   pdu->used_size = len + bias;  in coap_add_token()
368   if (pdu->used_size == 0) {  in coap_update_token()
385                                pdu->used_size + (len + bias) - pdu->e_token_length)) {  in coap_update_token()
390             pdu->token, pdu->used_size);  in coap_update_token()
391     pdu->used_size += len + bias - pdu->e_token_length;  in coap_update_token()
393     pdu->used_size -= pdu->e_token_length - (len + bias);  in coap_update_token()
394     memmove(pdu->token, &pdu->token[pdu->e_token_length - (len + bias)], pdu->used_size);  in coap_update_token()
445   if (!coap_opt_parse(option, pdu->used_size - (option - pdu->token),  in coap_remove_option()
452                         pdu->used_size - (next_option - pdu->token),  in coap_remove_option()
471         if (!coap_pdu_check_resize(pdu, pdu->used_size + 1))  in coap_remove_option()
486                 pdu->used_size - (next_option - pdu->token));  in coap_remove_option()
487         pdu->used_size++;  in coap_remove_option()
511   if (pdu->used_size - (next_option - pdu->token))  in coap_remove_option()
512     memmove(option, next_option, pdu->used_size - (next_option - pdu->token));  in coap_remove_option()
513   pdu->used_size -= next_option - option;  in coap_remove_option()
590   if (!coap_opt_parse(option, pdu->used_size - (option - pdu->token), &decode))  in coap_insert_option()
599                              pdu->used_size + shift - shrink))  in coap_insert_option()
639           pdu->used_size - (option - pdu->token) - shrink);  in coap_insert_option()
640   if (!coap_opt_encode(option, pdu->alloc_size - pdu->used_size,  in coap_insert_option()
644   pdu->used_size += shift - shrink;  in coap_insert_option()
670                                pdu->used_size + new_length - old_length))  in coap_update_option()
678             pdu->used_size - (option - pdu->token) - old_length);  in coap_update_option()
684   pdu->used_size += new_length - old_length;  in coap_update_option()
736                              pdu->used_size + optsize))  in coap_add_option_internal()
742             pdu->used_size - (pdu->data - pdu->token) + 1);  in coap_add_option_internal()
746     opt = pdu->token + pdu->used_size;  in coap_add_option_internal()
750   optsize = coap_opt_encode(opt, pdu->alloc_size - pdu->used_size,  in coap_add_option_internal()
759     pdu->used_size += optsize;  in coap_add_option_internal()
788   if (!coap_pdu_resize(pdu, pdu->used_size + len + 1))  in coap_add_data_after()
790   pdu->token[pdu->used_size++] = COAP_PAYLOAD_START;  in coap_add_data_after()
791   pdu->data = pdu->token + pdu->used_size;  in coap_add_data_after()
792   pdu->used_size += len;  in coap_add_data_after()
825   *len = pdu->used_size - (pdu->data - pdu->token);  in coap_get_data_large()
1263     if (pdu->used_size != 0 || pdu->e_token_length) {  in coap_pdu_parse_opt()
1269   if (pdu->e_token_length > pdu->used_size) {  in coap_pdu_parse_opt()
1277     pdu->used_size = 0;  in coap_pdu_parse_opt()
1282     size_t length = pdu->used_size - pdu->e_token_length;  in coap_pdu_parse_opt()
1324         length = pdu->used_size - pdu->e_token_length;  in coap_pdu_parse_opt()
1341               opt = pdu->token + pdu->used_size;  in coap_pdu_parse_opt()
1400   pdu->used_size = length - hdr_size;  in coap_pdu_parse()
1436     assert(pdu->used_size >= pdu->e_token_length);  in coap_pdu_encode_header()
1437     if (pdu->used_size < pdu->e_token_length) {  in coap_pdu_encode_header()
1444       len = pdu->used_size - pdu->e_token_length;  in coap_pdu_encode_header()