d = nm_open(p->opt.device, NULL, 0, NULL);
if (d == NULL) {
- pcap_snprintf(p->errbuf, PCAP_ERRBUF_SIZE,
- "netmap open: cannot access %s: %s\n",
- p->opt.device, pcap_strerror(errno));
+ pcap_fmt_errmsg_for_errno(p->errbuf, PCAP_ERRBUF_SIZE,
+ errno, "netmap open: cannot access %s",
+ p->opt.device);
pcap_cleanup_live_common(p);
return (PCAP_ERROR);
}