udp-bsd: Use sockaddr_storage union to ensure big enough socket

The IPv6 struct sockaddr variant is bigger than the IPv4 one,
so use the storage struct to ensure that the size is big enough.

diff --git a/socket/udp-bsd.c b/socket/udp-bsd.c
index 8f65e76..cad3b32 100644 (file)
--- a/socket/udp-bsd.c
+++ b/socket/udp-bsd.c
@@ -293,20 +293,23 @@ socket_send_message (NiceSocket *sock, const NiceAddress *to,
     if (g_error_matches (child_error, G_IO_ERROR, G_IO_ERROR_WOULD_BLOCK)) {
       len = 0;
     } else if (nice_debug_is_verbose()) {
-      struct sockaddr sa;
+      union {
+        struct sockaddr_storage ss;
+        struct sockaddr sa;
+      } sa;
       GSocketAddress *gsocket;
       NiceAddress local_addr;
       NiceAddress remote_addr;
       char remote_addr_str[INET6_ADDRSTRLEN];
       char local_addr_str[INET6_ADDRSTRLEN];
 
-      g_socket_address_to_native (gaddr, &sa, sizeof (sa), NULL);
-      nice_address_set_from_sockaddr (&remote_addr, &sa);
+      g_socket_address_to_native (gaddr, &sa.sa, sizeof (sa), NULL);
+      nice_address_set_from_sockaddr (&remote_addr, &sa.sa);
       nice_address_to_string (&remote_addr, remote_addr_str);
 
       gsocket = g_socket_get_local_address (sock->fileno, NULL);
-      g_socket_address_to_native (gsocket, &sa, sizeof (sa), NULL);
-      nice_address_set_from_sockaddr (&local_addr, &sa);
+      g_socket_address_to_native (gsocket, &sa.sa, sizeof (sa), NULL);
+      nice_address_set_from_sockaddr (&local_addr, &sa.sa);
       nice_address_to_string (&local_addr, local_addr_str);
       g_object_unref (gsocket);