struct msg_originate_request *omsg;
unsigned int omsglen;
char buf[OSPF_API_MAX_MSG_SIZE];
+ size_t off_data = offsetof(struct msg_originate_request, data);
+ size_t data_maxs = sizeof(buf) - off_data;
+ struct lsa_header *omsg_data = (struct lsa_header *)&buf[off_data];
omsg = (struct msg_originate_request *)buf;
omsg->ifaddr = ifaddr;
omsg->area_id = area_id;
omsglen = ntohs(data->length);
- if (omsglen
- > sizeof(buf) - offsetof(struct msg_originate_request, data))
- omsglen = sizeof(buf)
- - offsetof(struct msg_originate_request, data);
- memcpy(&omsg->data, data, omsglen);
+ if (omsglen > data_maxs)
+ omsglen = data_maxs;
+ memcpy(omsg_data, data, omsglen);
omsglen += sizeof(struct msg_originate_request)
- sizeof(struct lsa_header);
uint8_t buf[OSPF_API_MAX_MSG_SIZE];
struct msg_lsa_change_notify *nmsg;
unsigned int len;
+ size_t off_data = offsetof(struct msg_lsa_change_notify, data);
+ size_t data_maxs = sizeof(buf) - off_data;
+ struct lsa_header *nmsg_data = (struct lsa_header *)&buf[off_data];
assert(data);
memset(&nmsg->pad, 0, sizeof(nmsg->pad));
len = ntohs(data->length);
- if (len > sizeof(buf) - offsetof(struct msg_lsa_change_notify, data))
- len = sizeof(buf)
- - offsetof(struct msg_lsa_change_notify, data);
- memcpy(&nmsg->data, data, len);
+ if (len > data_maxs)
+ len = data_maxs;
+ memcpy(nmsg_data, data, len);
len += sizeof(struct msg_lsa_change_notify) - sizeof(struct lsa_header);
return msg_new(msgtype, nmsg, seqnum, len);