diff options
Diffstat (limited to 'sbin/ifconfig/ifconfig.c')
| -rw-r--r-- | sbin/ifconfig/ifconfig.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/sbin/ifconfig/ifconfig.c b/sbin/ifconfig/ifconfig.c index 27ffcda..b35ed9e 100644 --- a/sbin/ifconfig/ifconfig.c +++ b/sbin/ifconfig/ifconfig.c @@ -417,7 +417,7 @@ main(int argc, char *argv[]) { int c; int all, namesonly, downonly, uponly; - int need_nl = 0; + int need_nl = 0, count = 0; const struct afswtch *afp = 0; int addrcount, ifindex; struct if_msghdr *ifm, *nextifm; @@ -543,6 +543,7 @@ main(int argc, char *argv[]) afp = NULL; /* not a family, NULL */ } +retry: mib[0] = CTL_NET; mib[1] = PF_ROUTE; mib[2] = 0; @@ -558,8 +559,15 @@ main(int argc, char *argv[]) errx(1, "iflist-sysctl-estimate"); if ((buf = malloc(needed)) == NULL) errx(1, "malloc"); - if (sysctl(mib, 6, buf, &needed, NULL, 0) < 0) + if (sysctl(mib, 6, buf, &needed, NULL, 0) < 0) { + if (errno == ENOMEM && count++ < 10) { + warnx("Routing table grew, retrying"); + free(buf); + sleep(1); + goto retry; + } errx(1, "actual retrieval of interface table"); + } lim = buf + needed; next = buf; |
