- memmove(&nr->nr_macaddr, bssid.i_bssid, sizeof(nr->nr_macaddr));
- if ((ioctl(sockfd, SIOCG80211NODE, nr)) == -1 && nr->nr_rssi) {
- fprintf(stderr, "ioctl 'SIOCG80211NODE': %s\n",
- strerror(errno));
+ memcpy(&nr->nr_macaddr, bssid.i_bssid, sizeof(nr->nr_macaddr));
+ if ((ioctl(sockfd, SIOCG80211NODE, nr)) < 0 && nr->nr_rssi) {
+ warn("ioctl 'SIOCG80211NODE':");