29        < (unsigned char *)pdu->hdr + pdu->length)) {  in options_start()
39 coap_opt_parse(const coap_opt_t *opt, size_t length, coap_option_t *result) {  in coap_opt_parse()  argument
53   if (length < 1)  in coap_opt_parse()
57   result->length = *opt & 0x0f;  in coap_opt_parse()
69     ADVANCE_OPT(opt,length,1);  in coap_opt_parse()
77     ADVANCE_OPT(opt,length,1);  in coap_opt_parse()
85   switch(result->length) {  in coap_opt_parse()
93     ADVANCE_OPT(opt,length,1);  in coap_opt_parse()
94     result->length = ((*opt & 0xff) << 8) + 269;  in coap_opt_parse()
97     ADVANCE_OPT(opt,length,1);  in coap_opt_parse()
98     result->length += *opt & 0xff;  in coap_opt_parse()
105   ADVANCE_OPT(opt,length,1);  in coap_opt_parse()
109   if (length < result->length) {  in coap_opt_parse()
116   return (opt + result->length) - opt_start;  in coap_opt_parse()
130   if ((unsigned char *)pdu->hdr + pdu->length <= oi->next_option) {  in coap_option_iterator_init()
135   assert((sizeof(coap_hdr_t) + pdu->hdr->token_length) <= pdu->length);  in coap_option_iterator_init()
137   oi->length = pdu->length - (sizeof(coap_hdr_t) + pdu->hdr->token_length);  in coap_option_iterator_init()
150   if (oi->bad || oi->length == 0 ||   in opt_finished()
178     optsize = coap_opt_parse(oi->next_option, oi->length, &option);  in coap_option_next()
180       assert(optsize <= oi->length);  in coap_option_next()
183       oi->length -= optsize;  in coap_option_next()
252   unsigned short length;  in coap_opt_length()  local
254   length = *opt & 0x0f;  in coap_opt_length()
269   switch (length) {  in coap_opt_length()
274     length = (*opt++ << 8) + 269;  in coap_opt_length()
277     length += *opt++;  in coap_opt_length()
282   return length;  in coap_opt_length()
330 		   unsigned short delta, size_t length) {  in coap_opt_setheader()  argument
359   if (length < 13) {  in coap_opt_setheader()
360     opt[0] |= length & 0x0f;  in coap_opt_setheader()
361   } else if (length < 270) {  in coap_opt_setheader()
363       debug("insufficient space to encode option length %zu", length);  in coap_opt_setheader()
368     opt[++skip] = length - 13;  in coap_opt_setheader()
376     opt[++skip] = ((length - 269) >> 8) & 0xff;  in coap_opt_setheader()
377     opt[++skip] = (length - 269) & 0xff;      in coap_opt_setheader()
385 		const unsigned char *val, size_t length) {  in coap_opt_encode()  argument
388   l = coap_opt_setheader(opt, maxlen, delta, length);  in coap_opt_encode()
399   if (maxlen < length) {  in coap_opt_encode()
405     memcpy(opt, val, length);  in coap_opt_encode()
407   return l + length;  in coap_opt_encode()