union {
struct sockaddr sa;
struct sockaddr_nl nl;
- } sa;
+ } sa = {
+ .nl.nl_family = AF_NETLINK,
+ };
+
union {
struct nlmsghdr header;
uint8_t buf[NLMSG_ALIGN(sizeof(struct nlmsghdr)) +
NLMSG_ALIGN(sizeof(struct ifaddrmsg)) +
RTA_LENGTH(sizeof(struct in6_addr))];
- } request;
+ } request = {
+ .header.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifaddrmsg)),
+ .header.nlmsg_type = RTM_NEWADDR,
+ .header.nlmsg_flags = NLM_F_REQUEST|NLM_F_CREATE|NLM_F_ACK,
+ .header.nlmsg_seq = *requests + 1,
+ };
struct ifaddrmsg *ifaddrmsg;
uint32_t ipv4_address = htonl(INADDR_LOOPBACK);
int r;
- zero(request);
-
- request.header.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifaddrmsg));
- request.header.nlmsg_type = RTM_NEWADDR;
- request.header.nlmsg_flags = NLM_F_REQUEST|NLM_F_CREATE|NLM_F_ACK;
- request.header.nlmsg_seq = *requests + 1;
-
ifaddrmsg = NLMSG_DATA(&request.header);
ifaddrmsg->ifa_family = AF_INET;
ifaddrmsg->ifa_prefixlen = 8;
ifaddrmsg->ifa_scope = RT_SCOPE_HOST;
ifaddrmsg->ifa_index = if_loopback;
- r = add_rtattr(&request.header, sizeof(request), IFA_LOCAL, &ipv4_address, sizeof(ipv4_address));
+ r = add_rtattr(&request.header, sizeof(request), IFA_LOCAL,
+ &ipv4_address, sizeof(ipv4_address));
if (r < 0)
return r;
- zero(sa);
- sa.nl.nl_family = AF_NETLINK;
-
if (sendto_loop(fd, &request, request.header.nlmsg_len, 0, &sa.sa, sizeof(sa)) < 0)
return -errno;
(*requests)++;
ifaddrmsg->ifa_family = AF_INET6;
ifaddrmsg->ifa_prefixlen = 128;
- r = add_rtattr(&request.header, sizeof(request), IFA_LOCAL, &in6addr_loopback, sizeof(in6addr_loopback));
+ r = add_rtattr(&request.header, sizeof(request), IFA_LOCAL,
+ &in6addr_loopback, sizeof(in6addr_loopback));
if (r < 0)
return r;
union {
struct sockaddr sa;
struct sockaddr_nl nl;
- } sa;
+ } sa = {
+ .nl.nl_family = AF_NETLINK,
+ };
+
union {
struct nlmsghdr header;
uint8_t buf[NLMSG_ALIGN(sizeof(struct nlmsghdr)) +
NLMSG_ALIGN(sizeof(struct ifinfomsg))];
- } request;
+ } request = {
+ .header.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifinfomsg)),
+ .header.nlmsg_type = RTM_NEWLINK,
+ .header.nlmsg_flags = NLM_F_REQUEST|NLM_F_ACK,
+ .header.nlmsg_seq = *requests + 1,
+ };
struct ifinfomsg *ifinfomsg;
- zero(request);
-
- request.header.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifinfomsg));
- request.header.nlmsg_type = RTM_NEWLINK;
- request.header.nlmsg_flags = NLM_F_REQUEST|NLM_F_ACK;
- request.header.nlmsg_seq = *requests + 1;
-
ifinfomsg = NLMSG_DATA(&request.header);
ifinfomsg->ifi_family = AF_UNSPEC;
ifinfomsg->ifi_index = if_loopback;
ifinfomsg->ifi_flags = IFF_UP;
ifinfomsg->ifi_change = IFF_UP;
- zero(sa);
- sa.nl.nl_family = AF_NETLINK;
-
if (sendto_loop(fd, &request, request.header.nlmsg_len, 0, &sa.sa, sizeof(sa)) < 0)
return -errno;
static int check_loopback(void) {
int r;
- int _cleanup_close_ fd;
+ _cleanup_close_ int fd;
union {
struct sockaddr sa;
struct sockaddr_in in;
- } sa;
+ } sa = {
+ .in.sin_family = AF_INET,
+ .in.sin_addr.s_addr = INADDR_LOOPBACK,
+ };
/* If we failed to set up the loop back device, check whether
* it might already be set up */
if (fd < 0)
return -errno;
- zero(sa);
- sa.in.sin_family = AF_INET;
- sa.in.sin_addr.s_addr = INADDR_LOOPBACK;
-
if (bind(fd, &sa.sa, sizeof(sa.in)) >= 0)
r = 1;
else
union {
struct sockaddr sa;
struct sockaddr_nl nl;
- } sa;
+ } sa = {
+ .nl.nl_family = AF_NETLINK,
+ };
unsigned requests = 0, i;
- int _cleanup_close_ fd = -1;
+ _cleanup_close_ int fd = -1;
bool eperm = false;
errno = 0;
if (fd < 0)
return -errno;
- zero(sa);
- sa.nl.nl_family = AF_NETLINK;
if (bind(fd, &sa.sa, sizeof(sa)) < 0) {
r = -errno;
goto error;