use BSD list macros instead of handwritten list primitives

luckily this works thanks to C++ classes being backward compatible to C structs

1 files changed, 5 insertions, 3 deletions

diff --git a/layer.h b/layer.h
index ce9a417..1bbe7e6 100644
--- a/layer.h
+++ b/layer.h
@@ -2,6 +2,7 @@
 #define __HAVE_LAYER_H
 
 #include <string.h>
+#include <bsd/sys/queue.h>
 
 #include <SDL.h>
 #include <SDL_thread.h>
@@ -10,7 +11,7 @@ class Layer {
 	SDL_mutex *mutex;
 
 public:
-	Layer *next;
+	SLIST_ENTRY(Layer) layers;
 
 	char *name;
 
@@ -43,7 +44,7 @@ public:
 };
 
 class LayerList {
-	Layer *head;
+	SLIST_HEAD(layers_head, Layer) head;
 
 	SDL_mutex *mutex;
 
@@ -59,8 +60,9 @@ class LayerList {
 	}
 
 public:
-	LayerList() : head(NULL)
+	LayerList()
 	{
+		SLIST_INIT(&head);
 		mutex = SDL_CreateMutex();
 	}
 	~LayerList()