interduce defer macro

1 files changed, 16 insertions, 18 deletions

diff --git a/src/wayclock.cc b/src/wayclock.cc
index 3911ca0..d089ea6 100644
--- a/src/wayclock.cc
+++ b/src/wayclock.cc
@@ -59,34 +59,38 @@ int main() {
   if (wayc_font_context_init(&fctx) != FONT_CONTEXT_ERROR_NONE)
     wayc_panic("Failed to initialize font context");
 
+  wayc_defer(wayc_font_context_deinit(&fctx));
+
   struct eventloop_s loop;
-  if (wayc_eventloop_init(&loop, wayc_handle) != EVENTLOOP_ERROR_NONE) {
-    wayc_font_context_deinit(&fctx);
+  if (wayc_eventloop_init(&loop, wayc_handle) != EVENTLOOP_ERROR_NONE)
     wayc_panic("Failed to initialize event loop");
-  }
+
+  wayc_defer(wayc_eventloop_deinit(&loop));
 
   struct graphics_s graphics;
   if (wayc_graphics_init(&graphics, &loop.state) != GRAPHICS_ERROR_NONE)
     wayc_panic("Failed to initialize graphics");
 
+  wayc_defer(wayc_graphics_deinit(&graphics));
+
   struct window_s window;
-  if (wayc_window_init(&window, WAYC_APP_NAME, &loop) != WINDOW_ERROR_NONE) {
-    wayc_graphics_deinit(&graphics);
-    wayc_eventloop_deinit(&loop);
+  if (wayc_window_init(&window, WAYC_APP_NAME, &loop) != WINDOW_ERROR_NONE)
     wayc_panic("Failed to initialize window");
-  }
 
   window_id_t winid = wayc_eventloop_register(&loop, &window);
   window.id = winid;
 
+  wayc_defer({
+    wayc_eventloop_unregister(&loop, winid);
+    wayc_window_deinit(&window);
+  });
+
   struct renderer_s renderer;
   if (wayc_renderer_init(&renderer, &window, &graphics, WAYC_APP_WIDTH,
-                         WAYC_APP_HEIGHT) != RENDERER_ERROR_NONE) {
-    wayc_window_deinit(&window);
-    wayc_graphics_deinit(&graphics);
-    wayc_eventloop_deinit(&loop);
+                         WAYC_APP_HEIGHT) != RENDERER_ERROR_NONE)
     wayc_panic("Failed to initialize renderer");
-  }
+
+  wayc_defer(wayc_renderer_deinit(&renderer));
 
   wayc_renderer_use(&renderer);
   wayc_window_redraw(&window, &loop);
@@ -101,11 +105,5 @@ int main() {
     wayc_window_redraw(&window, &loop);
   }
 
-  wayc_renderer_deinit(&renderer);
-  wayc_window_deinit(&window);
-  wayc_graphics_deinit(&graphics);
-  wayc_eventloop_deinit(&loop);
-
-  wayc_font_context_deinit(&fctx);
   return 0;
 }
\ No newline at end of file