noip.c (encode_..._inet_addr): Only call `port_from_sockaddr' once.

Just a small cleanup; no functional change.

diff --git a/noip.c b/noip.c
index 0fab12e..68f4e1e 100644 (file)
--- a/noip.c
+++ b/noip.c
@@ -677,6 +677,7 @@ static int encode_unused_inet_addr(struct sockaddr *sa,
   struct sockaddr_un wsun;
   int rc;
   char buf[ADDRBUFSZ];
+  int port = port_from_sockaddr(sa);
 
   snprintf(sun->sun_path, sizeof(sun->sun_path), "%s/%s", sockdir,
           present_sockaddr(sa, 0, buf, sizeof(buf)));
@@ -684,7 +685,7 @@ static int encode_unused_inet_addr(struct sockaddr *sa,
   else if (rc == STALE) unlink(sun->sun_path);
 
   wildcard_address(sa->sa_family, &waddr.sa);
-  port_to_sockaddr(&waddr.sa, port_from_sockaddr(sa));
+  port_to_sockaddr(&waddr.sa, port);
   snprintf(wsun.sun_path, sizeof(wsun.sun_path), "%s/%s", sockdir,
           present_sockaddr(&waddr.sa, 0, buf, sizeof(buf)));
   if ((rc = unix_socket_status(&wsun, !desperatep)) == USED) return (-1);
@@ -706,6 +707,7 @@ static int encode_inet_addr(struct sockaddr_un *sun,
   int i;
   int desperatep = 0;
   address addr;
+  int port = port_from_sockaddr(sa);
   char buf[ADDRBUFSZ];
   int rc;
 
@@ -713,14 +715,14 @@ static int encode_inet_addr(struct sockaddr_un *sun,
             present_sockaddr(sa, 0, buf, sizeof(buf)),
             want == WANT_EXISTING ? "EXISTING" : "FRESH"); )
   sun->sun_family = AF_UNIX;
-  if (port_from_sockaddr(sa) || want == WANT_EXISTING) {
+  if (port || want == WANT_EXISTING) {
     snprintf(sun->sun_path, sizeof(sun->sun_path), "%s/%s", sockdir,
             present_sockaddr(sa, 0, buf, sizeof(buf)));
     rc = unix_socket_status(sun, 0);
     if (rc == STALE) unlink(sun->sun_path);
     if (rc != USED && want == WANT_EXISTING) {
       wildcard_address(sa->sa_family, &addr.sa);
-      port_to_sockaddr(&addr.sa, port_from_sockaddr(sa));
+      port_to_sockaddr(&addr.sa, port);
       snprintf(sun->sun_path, sizeof(sun->sun_path), "%s/%s", sockdir,
               present_sockaddr(&addr.sa, 0, buf, sizeof(buf)));
       if (unix_socket_status(sun, 0) == STALE) unlink(sun->sun_path);