diff options
Diffstat (limited to 'fad-gifc.c')
| -rw-r--r-- | fad-gifc.c | 16 |
1 files changed, 15 insertions, 1 deletions
@@ -34,7 +34,7 @@ #ifndef lint static const char rcsid[] _U_ = - "@(#) $Header: /tcpdump/master/libpcap/fad-gifc.c,v 1.5 2003-11-15 23:23:58 guy Exp $ (LBL)"; + "@(#) $Header: /tcpdump/master/libpcap/fad-gifc.c,v 1.6 2004-02-27 08:03:05 guy Exp $ (LBL)"; #endif #ifdef HAVE_CONFIG_H @@ -324,6 +324,20 @@ pcap_findalldevs(pcap_if_t **alldevsp, char *errbuf) ifnext = (struct ifreq *)((char *)ifrp + n); /* + * XXX - The 32-bit compatibility layer for Linux on IA-64 + * is slightly broken. It correctly converts the structures + * to and from kernel land from 64 bit to 32 bit but + * doesn't update ifc.ifc_len, leaving it larger than the + * amount really used. This means we read off the end + * of the buffer and encounter an interface with an + * "empty" name. Since this is highly unlikely to ever + * occur in a valid case we can just finish looking for + * interfaces if we see an empty name. + */ + if (!(*ifrp->ifr_name)) + break; + + /* * Get the flags for this interface, and skip it if it's * not up. */ |