308 	uint16_t offset = buf_offset;  in add_a_record()  local
321 	if (offset > buf_size || total_size >= buf_size - offset) {  in add_a_record()
323 			total_size, (int)buf_size - (int)offset);  in add_a_record()
331 	memcpy(&buf[offset], &inst_offs, sizeof(inst_offs));  in add_a_record()
332 	offset += sizeof(inst_offs);  in add_a_record()
334 	rr = (struct dns_rr *)&buf[offset];  in add_a_record()
339 	offset += sizeof(*rr);  in add_a_record()
341 	rdata = (struct dns_a_rdata *)&buf[offset];  in add_a_record()
343 	offset += sizeof(*rdata);  in add_a_record()
345 	__ASSERT_NO_MSG(total_size == offset - buf_offset);  in add_a_record()
347 	return offset - buf_offset;  in add_a_record()
363 	uint16_t offset = buf_offset;  in add_ptr_record()  local
398 	if (offset > buf_size || name_size >= buf_size - offset) {  in add_ptr_record()
400 			name_size, (int)buf_size - (int)offset);  in add_ptr_record()
404 	svc_offs = offset;  in add_ptr_record()
411 	inst_offs = offset + sp_size + sizeof(*rr);  in add_ptr_record()
418 	dom_offs = offset + sp_size - 1 -  in add_ptr_record()
430 		buf[offset++] = strlen(labels[i]);  in add_ptr_record()
431 		memcpy(&buf[offset], labels[i], label_size);  in add_ptr_record()
432 		offset += label_size;  in add_ptr_record()
435 			buf[offset++] = '\0';  in add_ptr_record()
439 	__ASSERT_NO_MSG(svc_offs + sp_size == offset);  in add_ptr_record()
441 	rr = (struct dns_rr *)&buf[offset];  in add_ptr_record()
449 	offset += sizeof(*rr);  in add_ptr_record()
451 	__ASSERT_NO_MSG(inst_offs == offset);  in add_ptr_record()
455 	buf[offset++] = label_size;  in add_ptr_record()
456 	memcpy(&buf[offset], inst->instance, label_size);  in add_ptr_record()
457 	offset += label_size;  in add_ptr_record()
461 	memcpy(&buf[offset], &svc_offs, sizeof(svc_offs));  in add_ptr_record()
462 	offset += sizeof(svc_offs);  in add_ptr_record()
464 	__ASSERT_NO_MSG(name_size == offset - buf_offset);  in add_ptr_record()
466 	return offset - buf_offset;  in add_ptr_record()
476 	uint16_t offset = buf_offset;  in add_txt_record()  local
489 	if (offset > buf_size || total_size >= buf_size - offset) {  in add_txt_record()
491 			total_size, (int)buf_size - (int)offset);  in add_txt_record()
499 	memcpy(&buf[offset], &inst_offs, sizeof(inst_offs));  in add_txt_record()
500 	offset += sizeof(inst_offs);  in add_txt_record()
502 	rr = (struct dns_rr *)&buf[offset];  in add_txt_record()
507 	offset += sizeof(*rr);  in add_txt_record()
509 	memcpy(&buf[offset], inst->text, dns_sd_txt_size(inst));  in add_txt_record()
510 	offset += dns_sd_txt_size(inst);  in add_txt_record()
512 	__ASSERT_NO_MSG(total_size == offset - buf_offset);  in add_txt_record()
514 	return offset - buf_offset;  in add_txt_record()
525 	uint16_t offset = buf_offset;  in add_aaaa_record()  local
538 	if (offset > buf_size || total_size >= buf_size - offset) {  in add_aaaa_record()
540 			total_size, (int)buf_size - (int)offset);  in add_aaaa_record()
548 	memcpy(&buf[offset], &inst_offs, sizeof(inst_offs));  in add_aaaa_record()
549 	offset += sizeof(inst_offs);  in add_aaaa_record()
551 	rr = (struct dns_rr *)&buf[offset];  in add_aaaa_record()
556 	offset += sizeof(*rr);  in add_aaaa_record()
558 	rdata = (struct dns_aaaa_rdata *)&buf[offset];  in add_aaaa_record()
560 	offset += sizeof(*rdata);  in add_aaaa_record()
562 	__ASSERT_NO_MSG(total_size == offset - buf_offset);  in add_aaaa_record()
564 	return offset - buf_offset;  in add_aaaa_record()
577 	uint16_t offset = buf_offset;  in add_srv_record()  local
602 	if (offset > buf_size || total_size >= buf_size - offset) {  in add_srv_record()
604 			total_size, (int)buf_size - (int)offset);  in add_srv_record()
612 	memcpy(&buf[offset], &inst_offs, sizeof(inst_offs));  in add_srv_record()
613 	offset += sizeof(inst_offs);  in add_srv_record()
615 	rr = (struct dns_rr *)&buf[offset];  in add_srv_record()
623 	offset += sizeof(*rr);  in add_srv_record()
625 	rdata = (struct dns_srv_rdata *)&buf[offset];  in add_srv_record()
629 	offset += sizeof(*rdata);  in add_srv_record()
631 	*host_offset = offset;  in add_srv_record()
634 	buf[offset++] = label_size;  in add_srv_record()
635 	memcpy(&buf[offset], inst->instance, label_size);  in add_srv_record()
636 	offset += label_size;  in add_srv_record()
640 	memcpy(&buf[offset], &domain_offset, sizeof(domain_offset));  in add_srv_record()
641 	offset += sizeof(domain_offset);  in add_srv_record()
643 	__ASSERT_NO_MSG(total_size == offset - buf_offset);  in add_srv_record()
645 	return offset - buf_offset;  in add_srv_record()
739 	uint16_t offset = sizeof(struct dns_header);  in dns_sd_handle_ptr_query()  local
772 	r = add_ptr_record(inst, DNS_SD_PTR_TTL, buf, offset, buf_size - offset, &service_offset,  in dns_sd_handle_ptr_query()
779 	offset += r;  in dns_sd_handle_ptr_query()
782 	r = add_txt_record(inst, DNS_SD_TXT_TTL, instance_offset, buf, offset, buf_size - offset);  in dns_sd_handle_ptr_query()
788 	offset += r;  in dns_sd_handle_ptr_query()
790 	r = add_srv_record(inst, DNS_SD_SRV_TTL, instance_offset, domain_offset, buf, offset,  in dns_sd_handle_ptr_query()
791 			   buf_size - offset, &host_offset);  in dns_sd_handle_ptr_query()
797 	offset += r;  in dns_sd_handle_ptr_query()
800 		r = add_aaaa_record(inst, DNS_SD_AAAA_TTL, host_offset, addr6->s6_addr, buf, offset,  in dns_sd_handle_ptr_query()
801 				    buf_size - offset); /* LCOV_EXCL_LINE */  in dns_sd_handle_ptr_query()
807 		offset += r;  in dns_sd_handle_ptr_query()
812 		r = add_a_record(inst, DNS_SD_A_TTL, host_offset, tmp, buf, offset,  in dns_sd_handle_ptr_query()
813 				 buf_size - offset);  in dns_sd_handle_ptr_query()
819 		offset += r;  in dns_sd_handle_ptr_query()
827 	return offset;  in dns_sd_handle_ptr_query()
840 	uint16_t offset = sizeof(struct dns_header);  in dns_sd_handle_service_type_enum()  local
881 	if (offset > buf_size || name_size >= buf_size - offset) {  in dns_sd_handle_service_type_enum()
883 			(int)buf_size - (int)offset);  in dns_sd_handle_service_type_enum()
888 	memcpy(&buf[offset], query, sizeof(query));  in dns_sd_handle_service_type_enum()
889 	offset += sizeof(query);  in dns_sd_handle_service_type_enum()
891 	rr = (struct dns_rr *)&buf[offset];  in dns_sd_handle_service_type_enum()
899 	offset += sizeof(*rr);  in dns_sd_handle_service_type_enum()
901 	buf[offset++] = service_size;  in dns_sd_handle_service_type_enum()
902 	memcpy(&buf[offset], inst->service, service_size);  in dns_sd_handle_service_type_enum()
903 	offset += service_size;  in dns_sd_handle_service_type_enum()
904 	buf[offset++] = DNS_SD_PROTO_SIZE;  in dns_sd_handle_service_type_enum()
905 	memcpy(&buf[offset], inst->proto, DNS_SD_PROTO_SIZE);  in dns_sd_handle_service_type_enum()
906 	offset += DNS_SD_PROTO_SIZE;  in dns_sd_handle_service_type_enum()
908 	memcpy(&buf[offset], &domain_offset, sizeof(domain_offset));  in dns_sd_handle_service_type_enum()
909 	offset += sizeof(domain_offset);  in dns_sd_handle_service_type_enum()
915 	return offset;  in dns_sd_handle_service_type_enum()
995 	size_t offset;  in dns_sd_query_extract()  local
1028 	offset = DNS_MSG_HEADER_SIZE;  in dns_sd_query_extract()
1036 		++offset;  in dns_sd_query_extract()
1064 		offset += qsize;  in dns_sd_query_extract()
1139 	return offset;  in dns_sd_query_extract()