- memset(&nladdr, 0, sizeof(nladdr));
- nladdr.nl_family = AF_NETLINK;
-
- memset(&req, 0, sizeof(req));
- req.nlh.nlmsg_len = sizeof(req);
- req.nlh.nlmsg_type = TCPDIAG_GETSOCK;
- /* NLM_F_ROOT: return the complete table instead of a single entry.
- * NLM_F_MATCH: return all entries matching criteria (not implemented)
- * NLM_F_REQUEST: must be set on all request messages */
- req.nlh.nlmsg_flags = NLM_F_ROOT | NLM_F_MATCH | NLM_F_REQUEST;
- req.nlh.nlmsg_pid = 0;
- /* The sequence_number is used to track our messages. Since netlink is not
- * reliable, we don't want to end up with a corrupt or incomplete old
- * message in case the system is/was out of memory. */
- req.nlh.nlmsg_seq = ++sequence_number;
- req.r.idiag_family = AF_INET;
- req.r.idiag_states = 0xfff;
- req.r.idiag_ext = 0;
-
- memset(&iov, 0, sizeof(iov));
- iov.iov_base = &req;
- iov.iov_len = sizeof(req);
-
- memset(&msg, 0, sizeof(msg));
- msg.msg_name = (void*)&nladdr;
- msg.msg_namelen = sizeof(nladdr);
- msg.msg_iov = &iov;
- msg.msg_iovlen = 1;
+ struct sockaddr_nl nladdr = {
+ .nl_family = AF_NETLINK
+ };
+
+ struct nlreq req = {
+ .nlh.nlmsg_len = sizeof(req),
+ .nlh.nlmsg_type = TCPDIAG_GETSOCK,
+ /* NLM_F_ROOT: return the complete table instead of a single entry.
+ * NLM_F_MATCH: return all entries matching criteria (not implemented)
+ * NLM_F_REQUEST: must be set on all request messages */
+ .nlh.nlmsg_flags = NLM_F_ROOT | NLM_F_MATCH | NLM_F_REQUEST,
+ .nlh.nlmsg_pid = 0,
+ /* The sequence_number is used to track our messages. Since netlink is not
+ * reliable, we don't want to end up with a corrupt or incomplete old
+ * message in case the system is/was out of memory. */
+ .nlh.nlmsg_seq = ++sequence_number,
+ .r.idiag_family = AF_INET,
+ .r.idiag_states = 0xfff,
+ .r.idiag_ext = 0
+ };
+
+ struct iovec iov = {
+ .iov_base = &req,
+ .iov_len = sizeof(req)
+ };
+
+ struct msghdr msg = {
+ .msg_name = (void*)&nladdr,
+ .msg_namelen = sizeof(nladdr),
+ .msg_iov = &iov,
+ .msg_iovlen = 1
+ };