@@ -58,7 +58,9 @@ static int accept_msg(const struct sockaddr_nl *who,
{
FILE *fp = (FILE *)arg;
- if (n->nlmsg_type == RTM_NEWROUTE || n->nlmsg_type == RTM_DELROUTE) {
+ switch (n->nlmsg_type) {
+ case RTM_NEWROUTE:
+ case RTM_DELROUTE: {
struct rtmsg *r = NLMSG_DATA(n);
int len = n->nlmsg_len - NLMSG_LENGTH(sizeof(*r));
@@ -82,24 +84,28 @@ static int accept_msg(const struct sockaddr_nl *who,
}
}
- if (n->nlmsg_type == RTM_NEWLINK || n->nlmsg_type == RTM_DELLINK) {
+ case RTM_NEWLINK:
+ case RTM_DELLINK:
ll_remember_index(who, n, NULL);
print_headers(fp, "[LINK]", ctrl);
print_linkinfo(who, n, arg);
return 0;
- }
- if (n->nlmsg_type == RTM_NEWADDR || n->nlmsg_type == RTM_DELADDR) {
+
+ case RTM_NEWADDR:
+ case RTM_DELADDR:
print_headers(fp, "[ADDR]", ctrl);
print_addrinfo(who, n, arg);
return 0;
- }
- if (n->nlmsg_type == RTM_NEWADDRLABEL || n->nlmsg_type == RTM_DELADDRLABEL) {
+
+ case RTM_NEWADDRLABEL:
+ case RTM_DELADDRLABEL:
print_headers(fp, "[ADDRLABEL]", ctrl);
print_addrlabel(who, n, arg);
return 0;
- }
- if (n->nlmsg_type == RTM_NEWNEIGH || n->nlmsg_type == RTM_DELNEIGH ||
- n->nlmsg_type == RTM_GETNEIGH) {
+
+ case RTM_NEWNEIGH:
+ case RTM_DELNEIGH:
+ case RTM_GETNEIGH:
if (preferred_family) {
struct ndmsg *r = NLMSG_DATA(n);
@@ -110,34 +116,41 @@ static int accept_msg(const struct sockaddr_nl *who,
print_headers(fp, "[NEIGH]", ctrl);
print_neigh(who, n, arg);
return 0;
- }
- if (n->nlmsg_type == RTM_NEWPREFIX) {
+
+ case RTM_NEWPREFIX:
print_headers(fp, "[PREFIX]", ctrl);
print_prefix(who, n, arg);
return 0;
- }
- if (n->nlmsg_type == RTM_NEWRULE || n->nlmsg_type == RTM_DELRULE) {
+
+ case RTM_NEWRULE:
+ case RTM_DELRULE:
print_headers(fp, "[RULE]", ctrl);
print_rule(who, n, arg);
return 0;
- }
- if (n->nlmsg_type == RTM_NEWNETCONF) {
+
+ case NLMSG_TSTAMP:
+ print_nlmsg_timestamp(fp, n);
+ return 0;
+
+ case RTM_NEWNETCONF:
print_headers(fp, "[NETCONF]", ctrl);
print_netconf(who, ctrl, n, arg);
return 0;
- }
- if (n->nlmsg_type == NLMSG_TSTAMP) {
- print_nlmsg_timestamp(fp, n);
- return 0;
- }
- if (n->nlmsg_type == RTM_NEWNSID || n->nlmsg_type == RTM_DELNSID) {
+
+ case RTM_DELNSID:
+ case RTM_NEWNSID:
print_headers(fp, "[NSID]", ctrl);
print_nsid(who, n, arg);
return 0;
- }
- if (n->nlmsg_type != NLMSG_ERROR && n->nlmsg_type != NLMSG_NOOP &&
- n->nlmsg_type != NLMSG_DONE) {
- fprintf(fp, "Unknown message: type=0x%08x(%d) flags=0x%08x(%d)len=0x%08x(%d)\n",
+
+ case NLMSG_ERROR:
+ case NLMSG_NOOP:
+ case NLMSG_DONE:
+ break; /* ignore */
+
+ default:
+ fprintf(stderr,
+ "Unknown message: type=0x%08x(%d) flags=0x%08x(%d) len=0x%08x(%d)\n",
n->nlmsg_type, n->nlmsg_type,
n->nlmsg_flags, n->nlmsg_flags, n->nlmsg_len,
n->nlmsg_len);