fix: do some cleaning up

src/config.c

@@ -49,15 +49,12 @@ led_blink_timing_func(int percent)
 {
 	percentage = percent;
 	return te_eval(expr);
-
-  // return 1.7 + 18.5 * exp(-0.29 * percent);
 }
 
 static void
 free_eval(int sig)
 {
 	te_free(expr);
-	exit(sig);
 }
 
 void
@@ -67,13 +64,13 @@ setup_led_formula(void)
 
 	te_variable vars[] = { { "p", &percentage } };
 	expr = te_compile(led_blink_timing_formula, vars, 1, &err);
-	signal(SIGINT, free_eval);
 	if (!expr) {
 		log_fatal("%s", led_blink_timing_formula);
 		log_fatal("%*s^ Error near here", err - 1, "");
 
 		exit(1);
 	}
+	signal(SIGINT, free_eval);
 }
 
 void

src/led.c

@@ -115,8 +115,6 @@ pre_exit(int signal)
   fclose(data->pfile);
   free(data->file_name);
   free(data);
-
-  exit(0);
 }
 
 int

src/wayland.c

@@ -118,16 +118,12 @@ pre_exit(int signal)
 
   zwp_idle_inhibit_manager_v1_destroy(data->inhibitmanager);
   wl_registry_destroy(data->registry);
+  // wl_display_destroy(data->display);
   wl_compositor_destroy(data->compositor);
 	wl_surface_destroy(data->surface);
-	/* TODO: this causes a segfault
-		wl_display_destroy(data->display);
-	*/
 
   /* make sure to cleanup the allocated data */
   free(data);
-
-  exit(0);
 }
 
 int