transport: use IF_NAMESIZE for cross-platform if_indextoname (Windows build)

src/transport_layer/auto_socket.c

@@ -502,7 +502,7 @@ static void remove_iface_sockets(struct AUTO_SOCKET* as, uint32_t ifindex) {
         if ((*pp)->netif_index == ifindex) {
             struct auto_sock_iface* ifa = *pp;
             *pp = ifa->next;
-            char ifname[IFNAMSIZ] = "";
+            char ifname[IF_NAMESIZE] = "";
             if (!if_indextoname(ifindex, ifname)) snprintf(ifname, sizeof(ifname), "?");
 
             if (ifa->v4_udp) {
@@ -871,7 +871,7 @@ static void reconcile_iface(struct AUTO_SOCKET* as, uint32_t ifindex, const char
             if (ifa) { struct stcp_server* tsrv = create_iface_tcp_socket(as, ifindex, ifname, AF_INET, v4_need_type); ifa->v4_tcp = tsrv; if (tsrv) changed = 1; }
         } else if (!has && srv) {
             DEBUG_INFO(DEBUG_CATEGORY_AS, "[as] v4 TCP removed: %s ifidx=%u", ifname, ifindex);
-            {   char buf[IFNAMSIZ]; const char* nm = if_indextoname(ifindex, buf) ? buf : ifname;
+            {   char buf[IF_NAMESIZE]; const char* nm = if_indextoname(ifindex, buf) ? buf : ifname;
                 uint16_t p = load_port_from_db(as, nm, AF_INET, AS_PROTO_TCP);
                 struct ETCP_SOCKET** tsp = &as->instance->etcp_sockets;
                 while (*tsp) { if (!(*tsp)->is_tcp) { tsp = &(*tsp)->next; continue; } uint16_t tp = 0; const struct sockaddr_storage* a = (*tsp)->interface_addr.ss_family ? &(*tsp)->interface_addr : &(*tsp)->local_addr;
@@ -894,7 +894,7 @@ static void reconcile_iface(struct AUTO_SOCKET* as, uint32_t ifindex, const char
             if (ifa) { struct stcp_server* tsrv = create_iface_tcp_socket(as, ifindex, ifname, AF_INET6, v6_need_type); ifa->v6_tcp = tsrv; if (tsrv) changed = 1; }
         } else if (!has && srv) {
             DEBUG_INFO(DEBUG_CATEGORY_AS, "[as] v6 TCP removed: %s ifidx=%u", ifname, ifindex);
-            {   char buf[IFNAMSIZ]; const char* nm = if_indextoname(ifindex, buf) ? buf : ifname;
+            {   char buf[IF_NAMESIZE]; const char* nm = if_indextoname(ifindex, buf) ? buf : ifname;
                 uint16_t p = load_port_from_db(as, nm, AF_INET6, AS_PROTO_TCP);
                 struct ETCP_SOCKET** tsp = &as->instance->etcp_sockets;
                 while (*tsp) { if (!(*tsp)->is_tcp) { tsp = &(*tsp)->next; continue; } uint16_t tp = 0; const struct sockaddr_storage* a = (*tsp)->interface_addr.ss_family ? &(*tsp)->interface_addr : &(*tsp)->local_addr;

src/transport_layer/socket_monitor.c

@@ -184,7 +184,7 @@ static void socket_monitor_handle_route(struct SOCKET_MONITOR* sm, struct rtmsg*
             socket_monitor_update_if_addr(es);
             if (memcmp(&old_if_addr, &es->interface_addr, sizeof(old_if_addr)) != 0) {
                 sm->socket_updates++;
-                char ifname[IFNAMSIZ]; if (!if_indextoname(es->netif_index, ifname)) snprintf(ifname, sizeof(ifname), "?");
+        char ifname[IF_NAMESIZE]; if (!if_indextoname(es->netif_index, ifname)) snprintf(ifname, sizeof(ifname), "?");
                 DEBUG_INFO(DEBUG_CATEGORY_SOCKET, "socket %s (%s idx=%u) addr changed via default route: %s → %s",
                            es->name, ifname, es->netif_index,
                            sockaddr_storage_to_str(&old_if_addr).str, sockaddr_storage_to_str(&es->interface_addr).str);