add netdev ifindex support

1 files changed, 12 insertions, 8 deletions

diff --git a/utils.h b/utils.h
index e20169a..360f9f1 100644
--- a/utils.h
+++ b/utils.h
@@ -5,27 +5,31 @@
 #include <libubox/blob.h>
 #include <libubox/blobmsg.h>
 
+struct blobmsg_list_node {
+	struct avl_node avl;
+	struct blob_attr *data;
+};
+
+typedef bool (*blobmsg_list_cmp)(struct blobmsg_list_node *l1, struct blobmsg_list_node *l2);
+
 struct blobmsg_list {
 	struct avl_tree avl;
 	int node_offset;
 	int node_len;
-};
 
-struct blobmsg_list_node {
-	struct avl_node avl;
-	struct blob_attr *data;
+	blobmsg_list_cmp cmp;
 };
 
 #define blobmsg_list_simple_init(list) \
-	__blobmsg_list_init(list, 0, sizeof(struct blobmsg_list_node))
+	__blobmsg_list_init(list, 0, sizeof(struct blobmsg_list_node), NULL)
 
-#define blobmsg_list_init(list, type, field) \
-	__blobmsg_list_init(list, offsetof(type, field), sizeof(type))
+#define blobmsg_list_init(list, type, field, cmp) \
+	__blobmsg_list_init(list, offsetof(type, field), sizeof(type), cmp)
 
 #define blobmsg_list_for_each(list, element) \
 	avl_for_each_element(&(list)->avl, element, avl)
 
-void __blobmsg_list_init(struct blobmsg_list *list, int offset, int len);
+void __blobmsg_list_init(struct blobmsg_list *list, int offset, int len, blobmsg_list_cmp cmp);
 int blobmsg_list_fill(struct blobmsg_list *list, void *data, int len, bool array);
 void blobmsg_list_free(struct blobmsg_list *list);
 bool blobmsg_list_equal(struct blobmsg_list *l1, struct blobmsg_list *l2);