X-Git-Url: http://git.archive.openwrt.org/?p=project%2Fnetifd.git;a=blobdiff_plain;f=utils.h;h=cbb57759978e544b23d47694cc59dc202779dd71;hp=09df8c6f3e03c795ff8610b275c6bc59c9a58fe1;hb=986c4a1434cc61d2de560690ecc0d532a157d40a;hpb=3492219e211678c56b48d3f544cb0c0da9d606a0

diff --git a/utils.h b/utils.h
index 09df8c6..cbb5775 100644
--- a/utils.h
+++ b/utils.h
@@ -2,18 +2,53 @@
 #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__)
-#else
-#define DPRINTF(format, ...) no_debug(format, ## __VA_ARGS__)
-#endif
+#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 key_offset;
+	bool keep_old;
+	bool no_delete;
+
+	int version;
+};
 
-static inline void no_debug(const char *fmt, ...)
+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, key) \
+	__vlist_init(tree, cmp, update, offsetof(type, key) - offsetof(type, node))
+
+#define vlist_find(tree, name, element, node_member) \
+	avl_find_element(&(tree)->avl, name, element, node_member.avl)
+
+static inline void vlist_update(struct vlist_tree *tree)
 {
+	tree->version++;
 }
 
-#define __init __attribute__((constructor))
+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);
+
+#define vlist_for_each_element(tree, element, node_member) \
+	avl_for_each_element(&(tree)->avl, element, node_member.avl)
 
 #ifdef __linux__
 static inline int fls(int x)