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

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MFC after:	3 days
This commit is contained in:
Enji Cooper 2017-01-09 00:38:19 +00:00
parent 240ecb400f
commit 074a0dcceb
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=311713
1 changed files with 4 additions and 4 deletions
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8
usr.sbin/route6d/route6d.c
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@ -2418,7 +2418,7 @@ getifmtu(int ifindex)
mib[3] = AF_INET6; mib[3] = AF_INET6;
mib[4] = NET_RT_IFLIST; mib[4] = NET_RT_IFLIST;
mib[5] = ifindex; 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"); fatal("sysctl estimate NET_RT_IFLIST");
/*NOTREACHED*/ /*NOTREACHED*/
} }
@ -2426,7 +2426,7 @@ getifmtu(int ifindex)
fatal("malloc"); fatal("malloc");
/*NOTREACHED*/ /*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"); fatal("sysctl NET_RT_IFLIST");
/*NOTREACHED*/ /*NOTREACHED*/
} }
@ -2598,7 +2598,7 @@ krtread(int again)
free(buf); free(buf);
buf = NULL; buf = NULL;
} }
if (sysctl(mib, 6, NULL, &msize, NULL, 0) < 0) { if (sysctl(mib, nitems(mib), NULL, &msize, NULL, 0) < 0) {
errmsg = "sysctl estimate"; errmsg = "sysctl estimate";
continue; continue;
} }
@ -2606,7 +2606,7 @@ krtread(int again)
errmsg = "malloc"; errmsg = "malloc";
continue; 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"; errmsg = "sysctl NET_RT_DUMP";
continue; continue;
} }