// Open ICMPv6 socket
ping_socket = socket(AF_INET6, SOCK_RAW | SOCK_CLOEXEC, IPPROTO_ICMPV6);
if (ping_socket < 0) {
- syslog(LOG_ERR, "Unable to open raw socket: %s", strerror(errno));
+ syslog(LOG_ERR, "Unable to open raw socket: %m");
return -1;
}
int sock = socket(AF_PACKET, SOCK_DGRAM | SOCK_CLOEXEC, htons(ETH_P_IPV6));
if (sock < 0) {
- syslog(LOG_ERR, "Unable to open packet socket: %s",
- strerror(errno));
+ syslog(LOG_ERR, "Unable to open packet socket: %m");
ret = -1;
goto out;
}
if (setsockopt(sock, SOL_SOCKET, SO_ATTACH_FILTER,
&bpf_prog, sizeof(bpf_prog))) {
- syslog(LOG_ERR, "Failed to set BPF: %s", strerror(errno));
+ syslog(LOG_ERR, "Failed to set BPF: %m");
ret = -1;
goto out;
}