diff options
Diffstat (limited to 'contrib/bsnmp/snmp_mibII/mibII.c')
| -rw-r--r-- | contrib/bsnmp/snmp_mibII/mibII.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/contrib/bsnmp/snmp_mibII/mibII.c b/contrib/bsnmp/snmp_mibII/mibII.c index 74817948bd81..ae38b6f95a20 100644 --- a/contrib/bsnmp/snmp_mibII/mibII.c +++ b/contrib/bsnmp/snmp_mibII/mibII.c @@ -30,7 +30,7 @@ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * - * $Begemot: bsnmp/snmp_mibII/mibII.c,v 1.16 2003/01/28 13:44:34 hbb Exp $ + * $Begemot: bsnmp/snmp_mibII/mibII.c,v 1.17 2003/12/03 10:01:19 hbb Exp $ * * Implementation of the standard interfaces and ip MIB. */ @@ -978,11 +978,15 @@ mib_fetch_rtab(int af, int info, int arg, size_t *lenp) name[4] = info; name[5] = arg; + *lenp = 0; + if (sysctl(name, 6, NULL, lenp, NULL, 0) == -1) { syslog(LOG_ERR, "sysctl estimate (%d,%d,%d,%d,%d,%d): %m", name[0], name[1], name[2], name[3], name[4], name[5]); return (NULL); } + if (*lenp == 0) + return (NULL); if ((buf = malloc(*lenp)) == NULL) { syslog(LOG_ERR, "sysctl buffer: %m"); |