Use nitems(mib) instead of hardcoding mib's length

MFC after:	3 days
This commit is contained in:
Enji Cooper 2017-01-09 00:38:19 +00:00
parent 240ecb400f
commit 074a0dcceb

View File

@ -2418,7 +2418,7 @@ getifmtu(int ifindex)
mib[3] = AF_INET6;
mib[4] = NET_RT_IFLIST;
mib[5] = ifindex;
if (sysctl(mib, 6, NULL, &msize, NULL, 0) < 0) {
if (sysctl(mib, nitems(mib), NULL, &msize, NULL, 0) < 0) {
fatal("sysctl estimate NET_RT_IFLIST");
/*NOTREACHED*/
}
@ -2426,7 +2426,7 @@ getifmtu(int ifindex)
fatal("malloc");
/*NOTREACHED*/
}
if (sysctl(mib, 6, buf, &msize, NULL, 0) < 0) {
if (sysctl(mib, nitems(mib), buf, &msize, NULL, 0) < 0) {
fatal("sysctl NET_RT_IFLIST");
/*NOTREACHED*/
}
@ -2598,7 +2598,7 @@ krtread(int again)
free(buf);
buf = NULL;
}
if (sysctl(mib, 6, NULL, &msize, NULL, 0) < 0) {
if (sysctl(mib, nitems(mib), NULL, &msize, NULL, 0) < 0) {
errmsg = "sysctl estimate";
continue;
}
@ -2606,7 +2606,7 @@ krtread(int again)
errmsg = "malloc";
continue;
}
if (sysctl(mib, 6, buf, &msize, NULL, 0) < 0) {
if (sysctl(mib, nitems(mib), buf, &msize, NULL, 0) < 0) {
errmsg = "sysctl NET_RT_DUMP";
continue;
}