1 #ifndef __NETIFD_UTILS_H
2 #define __NETIFD_UTILS_H
4 #include <libubox/list.h>
5 #include <libubox/avl.h>
6 #include <libubox/blobmsg.h>
9 #define BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)]))
11 extern int __build_bug_on_failed
;
12 #define BUILD_BUG_ON(condition) \
14 ((void)sizeof(char[1 - 2*!!(condition)])); \
15 if (condition) __build_bug_on_failed = 1; \
19 static inline bool blobmsg_get_bool_default(struct blob_attr
*attr
, bool val
)
24 return blobmsg_get_bool(attr
);
27 #define __init __attribute__((constructor))
32 typedef void (*vlist_update_cb
)(struct vlist_tree
*tree
,
33 struct vlist_node
*node_new
,
34 struct vlist_node
*node_old
);
39 vlist_update_cb update
;
51 void vlist_init(struct vlist_tree
*tree
, avl_tree_comp cmp
, vlist_update_cb update
);
53 #define vlist_find(tree, name, element, node_member) \
54 avl_find_element(&(tree)->avl, name, element, node_member.avl)
56 static inline void vlist_update(struct vlist_tree
*tree
)
61 void vlist_add(struct vlist_tree
*tree
, struct vlist_node
*node
, void *key
);
62 void vlist_delete(struct vlist_tree
*tree
, struct vlist_node
*node
);
63 void vlist_flush(struct vlist_tree
*tree
);
64 void vlist_flush_all(struct vlist_tree
*tree
);
66 #define vlist_for_each_element(tree, element, node_member) \
67 avl_for_each_element(&(tree)->avl, element, node_member.avl)
70 struct vlist_simple_tree
{
71 struct list_head list
;
76 struct vlist_simple_node
{
77 struct list_head list
;
81 #define vlist_simple_init(tree, node, member) \
82 __vlist_simple_init(tree, offsetof(node, member))
84 void __vlist_simple_init(struct vlist_simple_tree
*tree
, int offset
);
85 void vlist_simple_delete(struct vlist_simple_tree
*tree
, struct vlist_simple_node
*node
);
86 void vlist_simple_flush(struct vlist_simple_tree
*tree
);
87 void vlist_simple_flush_all(struct vlist_simple_tree
*tree
);
89 static inline void vlist_simple_update(struct vlist_simple_tree
*tree
)
94 static inline void vlist_simple_add(struct vlist_simple_tree
*tree
, struct vlist_simple_node
*node
)
96 node
->version
= tree
->version
;
97 list_add(&node
->list
, &tree
->list
);
100 #define vlist_simple_for_each_element(tree, element, node_member) \
101 list_for_each_entry(element, &(tree)->list, node_member.list)
103 #define vlist_simple_empty(tree) \
104 list_empty(&(tree)->list)
108 static inline int fls(int x
)
114 if (!(x
& 0xffff0000u
)) {
118 if (!(x
& 0xff000000u
)) {
122 if (!(x
& 0xf0000000u
)) {
126 if (!(x
& 0xc0000000u
)) {
130 if (!(x
& 0x80000000u
)) {
138 int avl_strcmp(const void *k1
, const void *k2
, void *ptr
);