add early handler
[project/procd.git] / utils.h
1 #ifndef __PROCD_UTILS_H
2 #define __PROCD_UTILS_H
3
4 #include <libubox/avl.h>
5 #include <libubox/blob.h>
6 #include <libubox/blobmsg.h>
7
8 struct blobmsg_list_node {
9 struct avl_node avl;
10 struct blob_attr *data;
11 };
12
13 typedef bool (*blobmsg_list_cmp)(struct blobmsg_list_node *l1, struct blobmsg_list_node *l2);
14 typedef void (*blobmsg_update_cb)(struct blobmsg_list_node *n);
15
16 struct blobmsg_list {
17 struct avl_tree avl;
18 int node_offset;
19 int node_len;
20
21 blobmsg_list_cmp cmp;
22 };
23
24 #define blobmsg_list_simple_init(list) \
25 __blobmsg_list_init(list, 0, sizeof(struct blobmsg_list_node), NULL)
26
27 #define blobmsg_list_init(list, type, field, cmp) \
28 __blobmsg_list_init(list, offsetof(type, field), sizeof(type), cmp)
29
30 #define blobmsg_list_for_each(list, element) \
31 avl_for_each_element(&(list)->avl, element, avl)
32
33 void __blobmsg_list_init(struct blobmsg_list *list, int offset, int len, blobmsg_list_cmp cmp);
34 int blobmsg_list_fill(struct blobmsg_list *list, void *data, int len, bool array);
35 void blobmsg_list_free(struct blobmsg_list *list);
36 bool blobmsg_list_equal(struct blobmsg_list *l1, struct blobmsg_list *l2);
37 void blobmsg_list_move(struct blobmsg_list *list, struct blobmsg_list *src);
38
39 #endif