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
|
/*
* Copyright 2002 Niels Provos <provos@citi.umich.edu>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdlib.h>
struct rbnode {
struct {
struct rbnode *rbe_left;
struct rbnode *rbe_right;
struct rbnode *rbe_parent;
int rbe_color;
} entry;
char content[0];
};
struct rbtree {
struct rbnode *rbh_root;
int (*cmp)(void *k1, void *k2);
void (*augment)(void *elm);
};
typedef struct rbnode RbNode;
typedef struct rbtree RbTree;
void rbtree_remove(struct rbtree *, void* iter);
// return a iterator
void* rbtree_insert(struct rbtree *, void *treenode);
void* rbtree_find(struct rbtree *, void *val);
void* rbtree_next(struct rbtree *, void* iter);
void* rbtree_min(struct rbtree *);
void* rbtree_max(struct rbtree *);
void* rbtree_left(void *node);
void* rbtree_right(void *node);
void* rbtree_parent(void *node);
void rbtree_free(struct rbtree *, void (*free_cb)(void*));
|
