--- a/ui.c	Fri Jan 17 20:03:41 2020 +0200
+++ b/ui.c	Fri Jan 17 20:04:06 2020 +0200
@@ -28,20 +28,21 @@
 
 static nn_window_t *nn_window_new(const char *id)
 {
-    nn_window_t *res = th_malloc0(sizeof(nn_window_t));
+    nn_window_t *win;
 
-    if (res == NULL) return NULL;
+    if ((win = th_malloc0(sizeof(nn_window_t))) == NULL)
+        return NULL;
 
-    res->data = th_ringbuf_new(SET_BACKBUF_LEN, nn_line_free);
-    if (res->data == NULL)
+    win->data = th_ringbuf_new(SET_BACKBUF_LEN, nn_line_free);
+    if (win->data == NULL)
     {
-        th_free(res);
+        th_free(win);
         return NULL;
     }
 
-    res->id = th_strdup(id);
+    win->id = th_strdup(id);
 
-    return res;
+    return win;
 }