X-Git-Url: http://git.archive.openwrt.org/?p=project%2Fnetifd.git;a=blobdiff_plain;f=utils.h;h=c8101e7323a88bc790f806a2f058d414ed1886f2;hp=09df8c6f3e03c795ff8610b275c6bc59c9a58fe1;hb=05e910cec691f8333383a746876015e99ff088db;hpb=3492219e211678c56b48d3f544cb0c0da9d606a0

diff --git a/utils.h b/utils.h
index 09df8c6..c8101e7 100644
--- a/utils.h
+++ b/utils.h
@@ -2,6 +2,7 @@
 #define __NETIFD_UTILS_H
 
 #include <libubox/list.h>
+#include <libubox/avl.h>
 
 #ifdef DEBUG
 #define DPRINTF(format, ...) fprintf(stderr, "%s(%d): " format, __func__, __LINE__, ## __VA_ARGS__)
@@ -15,6 +16,37 @@ static inline void no_debug(const char *fmt, ...)
 
 #define __init __attribute__((constructor))
 
+struct vlist_tree;
+struct vlist_node;
+
+typedef void (*vlist_update_cb)(struct vlist_tree *tree,
+				struct vlist_node *node_new,
+				struct vlist_node *node_old);
+
+struct vlist_tree {
+	struct avl_tree avl;
+
+	vlist_update_cb update;
+	int node_offset;
+
+	int version;
+};
+
+struct vlist_node {
+	struct avl_node avl;
+	int version;
+};
+
+void __vlist_init(struct vlist_tree *tree, avl_tree_comp cmp, vlist_update_cb update, int offset);
+
+#define vlist_init(tree, cmp, update, type, node) \
+	__vlist_init(tree, cmp, update, offsetof(type, node))
+
+void vlist_add(struct vlist_tree *tree, struct vlist_node *node);
+void vlist_delete(struct vlist_tree *tree, struct vlist_node *node);
+void vlist_flush(struct vlist_tree *tree);
+void vlist_flush_all(struct vlist_tree *tree);
+
 #ifdef __linux__
 static inline int fls(int x)
 {