+int sd_dhcp_client_get_domainname(sd_dhcp_client *client, const char **domainname) {
+ assert_return(client, -EINVAL);
+ assert_return(domainname, -EINVAL);
+
+ switch (client->state) {
+ case DHCP_STATE_INIT:
+ case DHCP_STATE_SELECTING:
+ case DHCP_STATE_INIT_REBOOT:
+ case DHCP_STATE_REBOOTING:
+ case DHCP_STATE_REQUESTING:
+ return -EADDRNOTAVAIL;
+
+ case DHCP_STATE_BOUND:
+ case DHCP_STATE_RENEWING:
+ case DHCP_STATE_REBINDING:
+ if (client->lease->domainname)
+ *domainname = client->lease->domainname;
+ else
+ return -ENOENT;
+
+ break;
+ }
+
+ return 0;
+}
+