char t[MAXIFNAMELEN];
memset(&ifr, 0, sizeof(struct ifreq));
slprintf(t, sizeof(t), "%s%d", PPP_DRV_NAME, ifunit);
- strncpy(ifr.ifr_name, t, IF_NAMESIZE);
- strncpy(ifr.ifr_newname, req_ifname, IF_NAMESIZE);
+ strlcpy(ifr.ifr_name, t, IF_NAMESIZE);
+ strlcpy(ifr.ifr_newname, req_ifname, IF_NAMESIZE);
x = ioctl(sock_fd, SIOCSIFNAME, &ifr);
if (x < 0)
error("Couldn't rename interface %s to %s: %m", t, req_ifname);