blob: ffda277e88ac30d0fc4974c3c38fa176a461de3a (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
|
#ifndef _LINUX_RBTREE_H
#define _LINUX_RBTREE_H
#if defined (__GNUC__)
#elif defined (MSVC)
#define __inline__ __inline
#define inline __inline
#else
#endif
struct rb_node {
struct rb_node *rb_left; /* left element */
struct rb_node *rb_right; /* right element */
struct rb_node *rb_parent; /* parent element */
int rb_color; /* node color */
};
struct rb_root {
struct rb_node *rb_node; /* root of the tree */
};
#ifndef NULL
#define NULL ((void *)0)
#endif
#if defined (__GNUC__)
#define RB_ROOT ((struct rb_root){NULL})
#elif defined (MSVC)
#define RB_ROOT {NULL}//{struct rb_root _x = {NULL};}
#else
#endif
#define rb_entry(p, container, field) \
((container *) ((char *)p - ((char *)&(((container *)0)->field))))
#define RB_BLACK 0
#define RB_RED 1
extern void rb_insert_color(struct rb_node *, struct rb_root *);
extern void rb_erase(struct rb_node *, struct rb_root *);
/* Find logical next and previous nodes in a tree */
extern struct rb_node *rb_next(struct rb_node *);
extern struct rb_node *rb_prev(struct rb_node *);
extern struct rb_node *rb_first(struct rb_root *);
/* Fast replacement of a single node without remove/rebalance/add/rebalance */
extern void rb_replace_node(struct rb_node *victim, struct rb_node *new,
struct rb_root *root);
static inline void rb_link_node(struct rb_node * node, struct rb_node * parent,
struct rb_node ** rb_link)
{
node->rb_parent = parent;
node->rb_color = RB_RED;
node->rb_left = node->rb_right = NULL;
*rb_link = node;
}
#endif /* _LINUX_RBTREE_H */
|
