-
-/* Returns a network device that has 'in4' as its IP address, if one exists,
- * otherwise a null pointer. */
-struct netdev *
-netdev_find_dev_by_in4(const struct in_addr *in4)
-{
- struct netdev *netdev;
- struct sset dev_list = SSET_INITIALIZER(&dev_list);
- const char *name;
-
- netdev_enumerate(&dev_list);
- SSET_FOR_EACH (name, &dev_list) {
- struct in_addr dev_in4;
-
- if (!netdev_open(name, "system", &netdev)
- && !netdev_get_in4(netdev, &dev_in4, NULL)
- && dev_in4.s_addr == in4->s_addr) {
- goto exit;
- }
- netdev_close(netdev);
- }
- netdev = NULL;
-
-exit:
- sset_destroy(&dev_list);
- return netdev;
-}