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Introduce _cleanup_fdset_free_
[elogind.git]
/
src
/
core
/
loopback-setup.c
diff --git
a/src/core/loopback-setup.c
b/src/core/loopback-setup.c
index bfd0d93204573f463711290611d3f97a57bdc155..aff24fa64295146311a4fe34048a42782b686bea 100644
(file)
--- a/
src/core/loopback-setup.c
+++ b/
src/core/loopback-setup.c
@@
-88,25
+88,26
@@
static int add_adresses(int fd, int if_loopback, unsigned *requests) {
union {
struct sockaddr sa;
struct sockaddr_nl nl;
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))];
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;
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 = NLMSG_DATA(&request.header);
ifaddrmsg->ifa_family = AF_INET;
ifaddrmsg->ifa_prefixlen = 8;
@@
-114,13
+115,11
@@
static int add_adresses(int fd, int if_loopback, unsigned *requests) {
ifaddrmsg->ifa_scope = RT_SCOPE_HOST;
ifaddrmsg->ifa_index = if_loopback;
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;
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)++;
if (sendto_loop(fd, &request, request.header.nlmsg_len, 0, &sa.sa, sizeof(sa)) < 0)
return -errno;
(*requests)++;
@@
-134,7
+133,8
@@
static int add_adresses(int fd, int if_loopback, unsigned *requests) {
ifaddrmsg->ifa_family = AF_INET6;
ifaddrmsg->ifa_prefixlen = 128;
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;
if (r < 0)
return r;
@@
-149,31
+149,29
@@
static int start_interface(int fd, int if_loopback, unsigned *requests) {
union {
struct sockaddr sa;
struct sockaddr_nl nl;
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))];
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;
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;
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;
if (sendto_loop(fd, &request, request.header.nlmsg_len, 0, &sa.sa, sizeof(sa)) < 0)
return -errno;
@@
-230,11
+228,14
@@
static int read_response(int fd, unsigned requests_max) {
static int check_loopback(void) {
int r;
static int check_loopback(void) {
int r;
-
int _cleanup_close_
fd;
+
_cleanup_close_ int
fd;
union {
struct sockaddr sa;
struct sockaddr_in in;
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 we failed to set up the loop back device, check whether
* it might already be set up */
@@
-243,10
+244,6
@@
static int check_loopback(void) {
if (fd < 0)
return -errno;
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
if (bind(fd, &sa.sa, sizeof(sa.in)) >= 0)
r = 1;
else
@@
-260,9
+257,11
@@
int loopback_setup(void) {
union {
struct sockaddr sa;
struct sockaddr_nl nl;
union {
struct sockaddr sa;
struct sockaddr_nl nl;
- } sa;
+ } sa = {
+ .nl.nl_family = AF_NETLINK,
+ };
unsigned requests = 0, i;
unsigned requests = 0, i;
-
int _cleanup_close_
fd = -1;
+
_cleanup_close_ int
fd = -1;
bool eperm = false;
errno = 0;
bool eperm = false;
errno = 0;
@@
-274,8
+273,6
@@
int loopback_setup(void) {
if (fd < 0)
return -errno;
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;
if (bind(fd, &sa.sa, sizeof(sa)) < 0) {
r = -errno;
goto error;