diff options
| -rw-r--r-- | usr.sbin/arp/arp.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/usr.sbin/arp/arp.c b/usr.sbin/arp/arp.c index 32c0bc2..5a22ea8 100644 --- a/usr.sbin/arp/arp.c +++ b/usr.sbin/arp/arp.c @@ -474,8 +474,7 @@ search(u_long addr, action_fn *action) if (needed == 0) /* empty table */ return 0; buf = NULL; - do { - needed += needed / 2; + for (;;) { newbuf = realloc(buf, needed); if (newbuf == NULL) { if (buf != NULL) @@ -484,7 +483,10 @@ search(u_long addr, action_fn *action) } buf = newbuf; st = sysctl(mib, 6, buf, &needed, NULL, 0); - } while (st == -1 && errno == ENOMEM); + if (st == 0 || errno != ENOMEM) + break; + needed += needed / 8; + } if (st == -1) err(1, "actual retrieval of routing table"); lim = buf + needed; |
