diff options
| -rw-r--r-- | src/monitor/monitor_netlink.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/monitor/monitor_netlink.c b/src/monitor/monitor_netlink.c index 8455f688..2fe380ac 100644 --- a/src/monitor/monitor_netlink.c +++ b/src/monitor/monitor_netlink.c @@ -117,7 +117,8 @@ static bool has_wireless_extension(const char *ifname) return false; } - strncpy(iwr.ifr_ifrn.ifrn_name, ifname, IFNAMSIZ); + strncpy(iwr.ifr_ifrn.ifrn_name, ifname, IFNAMSIZ-1); + iwr.ifr_ifrn.ifrn_name[IFNAMSIZ-1] = '\0'; /* Does the interface support a wireless extension? */ ret = ioctl(s, SIOCGIWNAME, &iwr); close(s); |