libnetlink: style cleanups
Follow kernel style related cleanups: * break long lines * remove unnecessary void * cast
This commit is contained in:
Stephen Hemminger
parent
1b109a30bf
commit
2c500a4dc2
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@ -43,7 +43,7 @@ void rtnl_close(struct rtnl_handle *rth)
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}
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}
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int rtnl_open_byproto(struct rtnl_handle *rth, unsigned subscriptions,
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int rtnl_open_byproto(struct rtnl_handle *rth, unsigned int subscriptions,
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int protocol)
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{
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socklen_t addr_len;
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@ -58,12 +58,14 @@ int rtnl_open_byproto(struct rtnl_handle *rth, unsigned subscriptions,
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return -1;
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}
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if (setsockopt(rth->fd,SOL_SOCKET,SO_SNDBUF,&sndbuf,sizeof(sndbuf)) < 0) {
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if (setsockopt(rth->fd, SOL_SOCKET, SO_SNDBUF,
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&sndbuf, sizeof(sndbuf)) < 0) {
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perror("SO_SNDBUF");
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return -1;
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}
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if (setsockopt(rth->fd,SOL_SOCKET,SO_RCVBUF,&rcvbuf,sizeof(rcvbuf)) < 0) {
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if (setsockopt(rth->fd, SOL_SOCKET, SO_RCVBUF,
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&rcvbuf, sizeof(rcvbuf)) < 0) {
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perror("SO_RCVBUF");
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return -1;
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}
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@ -72,12 +74,14 @@ int rtnl_open_byproto(struct rtnl_handle *rth, unsigned subscriptions,
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rth->local.nl_family = AF_NETLINK;
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rth->local.nl_groups = subscriptions;
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if (bind(rth->fd, (struct sockaddr*)&rth->local, sizeof(rth->local)) < 0) {
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if (bind(rth->fd, (struct sockaddr *)&rth->local,
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sizeof(rth->local)) < 0) {
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perror("Cannot bind netlink socket");
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return -1;
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}
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addr_len = sizeof(rth->local);
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if (getsockname(rth->fd, (struct sockaddr*)&rth->local, &addr_len) < 0) {
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if (getsockname(rth->fd, (struct sockaddr *)&rth->local,
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&addr_len) < 0) {
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perror("Cannot getsockname");
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return -1;
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}
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@ -86,14 +90,15 @@ int rtnl_open_byproto(struct rtnl_handle *rth, unsigned subscriptions,
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return -1;
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}
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if (rth->local.nl_family != AF_NETLINK) {
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fprintf(stderr, "Wrong address family %d\n", rth->local.nl_family);
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fprintf(stderr, "Wrong address family %d\n",
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rth->local.nl_family);
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return -1;
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}
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rth->seq = time(NULL);
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return 0;
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}
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int rtnl_open(struct rtnl_handle *rth, unsigned subscriptions)
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int rtnl_open(struct rtnl_handle *rth, unsigned int subscriptions)
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{
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return rtnl_open_byproto(rth, subscriptions, NETLINK_ROUTE);
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}
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@ -123,7 +128,7 @@ int rtnl_wilddump_req_filter(struct rtnl_handle *rth, int family, int type,
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.ext_filter_mask = filt_mask,
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};
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return send(rth->fd, (void*)&req, sizeof(req), 0);
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return send(rth->fd, &req, sizeof(req), 0);
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}
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int rtnl_wilddump_req_filter_fn(struct rtnl_handle *rth, int family, int type,
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@ -169,7 +174,7 @@ int rtnl_wilddump_stats_req_filter(struct rtnl_handle *rth, int fam, int type,
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req.ifsm.family = fam;
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req.ifsm.filter_mask = filt_mask;
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return send(rth->fd, (void *)&req, sizeof(req), 0);
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return send(rth->fd, &req, sizeof(req), 0);
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}
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int rtnl_send(struct rtnl_handle *rth, const void *buf, int len)
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@ -199,6 +204,7 @@ int rtnl_send_check(struct rtnl_handle *rth, const void *buf, int len)
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h = NLMSG_NEXT(h, status)) {
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if (h->nlmsg_type == NLMSG_ERROR) {
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struct nlmsgerr *err = (struct nlmsgerr *)NLMSG_DATA(h);
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if (h->nlmsg_len < NLMSG_LENGTH(sizeof(struct nlmsgerr)))
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fprintf(stderr, "ERROR truncated\n");
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else
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@ -237,7 +243,7 @@ int rtnl_dump_request_n(struct rtnl_handle *rth, struct nlmsghdr *n)
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{
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struct sockaddr_nl nladdr = { .nl_family = AF_NETLINK };
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struct iovec iov = {
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.iov_base = (void*) n,
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.iov_base = n,
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.iov_len = n->nlmsg_len
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};
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struct msghdr msg = {
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@ -296,6 +302,7 @@ int rtnl_dump_filter_l(struct rtnl_handle *rth,
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for (a = arg; a->filter; a++) {
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struct nlmsghdr *h = (struct nlmsghdr *)buf;
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msglen = status;
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while (NLMSG_OK(h, msglen)) {
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@ -317,6 +324,7 @@ int rtnl_dump_filter_l(struct rtnl_handle *rth,
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}
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if (h->nlmsg_type == NLMSG_ERROR) {
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struct nlmsgerr *err = (struct nlmsgerr *)NLMSG_DATA(h);
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if (h->nlmsg_len < NLMSG_LENGTH(sizeof(struct nlmsgerr))) {
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fprintf(stderr,
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"ERROR truncated\n");
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@ -377,11 +385,11 @@ int rtnl_talk(struct rtnl_handle *rtnl, struct nlmsghdr *n,
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struct nlmsghdr *answer, size_t maxlen)
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{
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int status;
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unsigned seq;
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unsigned int seq;
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struct nlmsghdr *h;
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struct sockaddr_nl nladdr = { .nl_family = AF_NETLINK };
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struct iovec iov = {
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.iov_base = (void*) n,
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.iov_base = n,
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.iov_len = n->nlmsg_len
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};
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struct msghdr msg = {
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@ -420,7 +428,9 @@ int rtnl_talk(struct rtnl_handle *rtnl, struct nlmsghdr *n,
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return -1;
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}
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if (msg.msg_namelen != sizeof(nladdr)) {
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fprintf(stderr, "sender address length == %d\n", msg.msg_namelen);
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fprintf(stderr,
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"sender address length == %d\n",
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msg.msg_namelen);
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exit(1);
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}
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for (h = (struct nlmsghdr *)buf; status >= sizeof(*h); ) {
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@ -432,7 +442,9 @@ int rtnl_talk(struct rtnl_handle *rtnl, struct nlmsghdr *n,
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fprintf(stderr, "Truncated message\n");
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return -1;
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}
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fprintf(stderr, "!!!malformed message: len=%d\n", len);
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fprintf(stderr,
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"!!!malformed message: len=%d\n",
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len);
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exit(1);
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}
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@ -447,6 +459,7 @@ int rtnl_talk(struct rtnl_handle *rtnl, struct nlmsghdr *n,
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if (h->nlmsg_type == NLMSG_ERROR) {
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struct nlmsgerr *err = (struct nlmsgerr *)NLMSG_DATA(h);
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if (l < sizeof(struct nlmsgerr)) {
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fprintf(stderr, "ERROR truncated\n");
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} else if (!err->error) {
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@ -545,7 +558,9 @@ int rtnl_listen(struct rtnl_handle *rtnl,
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return -1;
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}
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if (msg.msg_namelen != sizeof(nladdr)) {
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fprintf(stderr, "Sender address length == %d\n", msg.msg_namelen);
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fprintf(stderr,
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"Sender address length == %d\n",
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msg.msg_namelen);
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exit(1);
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}
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@ -573,7 +588,9 @@ int rtnl_listen(struct rtnl_handle *rtnl,
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fprintf(stderr, "Truncated message\n");
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return -1;
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}
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fprintf(stderr, "!!!malformed message: len=%d\n", len);
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fprintf(stderr,
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"!!!malformed message: len=%d\n",
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len);
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exit(1);
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}
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@ -601,7 +618,7 @@ int rtnl_from_file(FILE *rtnl, rtnl_listen_filter_t handler,
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int status;
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struct sockaddr_nl nladdr = { .nl_family = AF_NETLINK };
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char buf[16384];
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struct nlmsghdr *h = (void*)buf;
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struct nlmsghdr *h = (struct nlmsghdr *)buf;
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while (1) {
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int err, len;
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@ -681,7 +698,9 @@ int addattr_l(struct nlmsghdr *n, int maxlen, int type, const void *data,
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struct rtattr *rta;
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if (NLMSG_ALIGN(n->nlmsg_len) + RTA_ALIGN(len) > maxlen) {
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fprintf(stderr, "addattr_l ERROR: message exceeded bound of %d\n",maxlen);
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fprintf(stderr,
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"addattr_l ERROR: message exceeded bound of %d\n",
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maxlen);
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return -1;
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}
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rta = NLMSG_TAIL(n);
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@ -695,7 +714,9 @@ int addattr_l(struct nlmsghdr *n, int maxlen, int type, const void *data,
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int addraw_l(struct nlmsghdr *n, int maxlen, const void *data, int len)
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{
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if (NLMSG_ALIGN(n->nlmsg_len) + NLMSG_ALIGN(len) > maxlen) {
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fprintf(stderr, "addraw_l ERROR: message exceeded bound of %d\n",maxlen);
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fprintf(stderr,
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"addraw_l ERROR: message exceeded bound of %d\n",
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maxlen);
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return -1;
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}
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@ -744,7 +765,9 @@ int rta_addattr32(struct rtattr *rta, int maxlen, int type, __u32 data)
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struct rtattr *subrta;
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if (RTA_ALIGN(rta->rta_len) + len > maxlen) {
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fprintf(stderr,"rta_addattr32: Error! max allowed bound %d exceeded\n",maxlen);
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fprintf(stderr,
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"rta_addattr32: Error! max allowed bound %d exceeded\n",
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maxlen);
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return -1;
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}
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subrta = (struct rtattr *)(((char *)rta) + RTA_ALIGN(rta->rta_len));
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@ -762,7 +785,9 @@ int rta_addattr_l(struct rtattr *rta, int maxlen, int type,
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int len = RTA_LENGTH(alen);
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if (RTA_ALIGN(rta->rta_len) + RTA_ALIGN(len) > maxlen) {
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fprintf(stderr,"rta_addattr_l: Error! max allowed bound %d exceeded\n",maxlen);
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fprintf(stderr,
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"rta_addattr_l: Error! max allowed bound %d exceeded\n",
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maxlen);
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return -1;
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}
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subrta = (struct rtattr *)(((char *)rta) + RTA_ALIGN(rta->rta_len));
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@ -822,11 +847,13 @@ int parse_rtattr_flags(struct rtattr *tb[], int max, struct rtattr *rta,
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rta = RTA_NEXT(rta, len);
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}
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if (len)
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fprintf(stderr, "!!!Deficit %d, rta_len=%d\n", len, rta->rta_len);
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fprintf(stderr, "!!!Deficit %d, rta_len=%d\n",
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len, rta->rta_len);
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return 0;
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}
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int parse_rtattr_byindex(struct rtattr *tb[], int max, struct rtattr *rta, int len)
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int parse_rtattr_byindex(struct rtattr *tb[], int max,
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struct rtattr *rta, int len)
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{
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int i = 0;
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@ -837,7 +864,8 @@ int parse_rtattr_byindex(struct rtattr *tb[], int max, struct rtattr *rta, int l
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rta = RTA_NEXT(rta, len);
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}
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if (len)
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fprintf(stderr, "!!!Deficit %d, rta_len=%d\n", len, rta->rta_len);
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fprintf(stderr, "!!!Deficit %d, rta_len=%d\n",
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len, rta->rta_len);
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return i;
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}
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@ -848,12 +876,15 @@ struct rtattr *parse_rtattr_one(int type, struct rtattr *rta, int len)
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return rta;
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rta = RTA_NEXT(rta, len);
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}
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if (len)
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fprintf(stderr, "!!!Deficit %d, rta_len=%d\n", len, rta->rta_len);
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fprintf(stderr, "!!!Deficit %d, rta_len=%d\n",
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len, rta->rta_len);
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return NULL;
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}
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int __parse_rtattr_nested_compat(struct rtattr *tb[], int max, struct rtattr *rta,
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int __parse_rtattr_nested_compat(struct rtattr *tb[], int max,
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struct rtattr *rta,
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int len)
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{
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if (RTA_PAYLOAD(rta) < len)
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