* up a string representation of the passed-in address.
         */
        if (args->servername == NULL) {
+               struct sockaddr_in *sin =
+                               (struct sockaddr_in *)args->address;
+               struct sockaddr_in6 *sin6 =
+                               (struct sockaddr_in6 *)args->address;
+
                servername[0] = '\0';
                switch (args->address->sa_family) {
-               case AF_INET: {
-                       struct sockaddr_in *sin =
-                                       (struct sockaddr_in *)args->address;
+               case AF_INET:
                        snprintf(servername, sizeof(servername), "%pI4",
                                 &sin->sin_addr.s_addr);
                        break;
-               }
-               case AF_INET6: {
-                       struct sockaddr_in6 *sin =
-                                       (struct sockaddr_in6 *)args->address;
+               case AF_INET6:
                        snprintf(servername, sizeof(servername), "%pI6",
-                                &sin->sin6_addr);
+                                &sin6->sin6_addr);
                        break;
-               }
                default:
                        /* caller wants default server name, but
                         * address family isn't recognized. */