Drop the app state struct from the hello example

hello only tracked a failure flag, so keep it as a file-scope static like
simple_window and leave yasl_app_desc.userdata unset.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

1 files changed, 3 insertions, 4 deletions

diff --git a/tests/common/test_hello_example.c b/tests/common/test_hello_example.c
index 6e0318f..7faa147 100644
--- a/tests/common/test_hello_example.c
+++ b/tests/common/test_hello_example.c
@@ -6,15 +6,14 @@
 static void draw_once(void *ud, struct yasl_surface *surface, struct yasl_frame_context *frame)
 {
     draw(ud, surface, frame);
-    if (!((struct app *)ud)->failed) yasl_surface_destroy(surface);
+    if (!failed) yasl_surface_destroy(surface);
 }
 
 int main(void)
 {
-    struct app app = {0};
     struct yasl_app_desc desc = {
-        .app_id = "org.yasl.test.hello", .userdata = &app,
+        .app_id = "org.yasl.test.hello",
         .init = init, .event = event, .frame = draw_once,
     };
-    return yasl_run(&desc) || app.failed ? 1 : 0;
+    return yasl_run(&desc) || failed ? 1 : 0;
 }