add license headers

[project/procd.git] / utils.h

diff --git a/utils.h b/utils.h
index ce9d9dd..37fa216 100644 (file)
--- a/utils.h
+++ b/utils.h
@@ -1,3 +1,17 @@
+/*
+ * Copyright (C) 2013 Felix Fietkau <nbd@openwrt.org>
+ * Copyright (C) 2013 John Crispin <blogic@openwrt.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 2.1
+ * as published by the Free Software Foundation
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
 #ifndef __PROCD_UTILS_H
 #define __PROCD_UTILS_H
 
@@ -5,25 +19,35 @@
 #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);
+typedef void (*blobmsg_update_cb)(struct blobmsg_list_node *n);
+
 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(tree, 0, sizeof(struct blobmsg_list_node))
+       __blobmsg_list_init(list, 0, sizeof(struct blobmsg_list_node), NULL)
+
+#define blobmsg_list_init(list, type, field, cmp) \
+       __blobmsg_list_init(list, offsetof(type, field), sizeof(type), cmp)
 
-#define blobmsg_list_init(list, type, field) \
-       __blobmsg_list_init(tree, offsetof(type, field), sizeof(type))
+#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);
-int blobmsg_list_fill(struct blobmsg_list *list, void *data, 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);
+void blobmsg_list_move(struct blobmsg_list *list, struct blobmsg_list *src);
 
 #endif