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
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
|
/*
* Based on intlist.c by:
* (c) 2009 Arnaldo Carvalho de Melo <acme@redhat.com>
*
* Licensed under the GPLv2.
*/
#include <errno.h>
#include <stdlib.h>
#include <linux/compiler.h>
#include "intlist.h"
static struct rb_node *intlist__node_new(struct rblist *rblist __used,
const void *entry)
{
int i = (int)((long)entry);
struct rb_node *rc = NULL;
struct int_node *node = malloc(sizeof(*node));
if (node != NULL) {
node->i = i;
rc = &node->rb_node;
}
return rc;
}
static void int_node__delete(struct int_node *ilist)
{
free(ilist);
}
static void intlist__node_delete(struct rblist *rblist __used,
struct rb_node *rb_node)
{
struct int_node *node = container_of(rb_node, struct int_node, rb_node);
int_node__delete(node);
}
static int intlist__node_cmp(struct rb_node *rb_node, const void *entry)
{
int i = (int)((long)entry);
struct int_node *node = container_of(rb_node, struct int_node, rb_node);
return node->i - i;
}
int intlist__add(struct intlist *ilist, int i)
{
return rblist__add_node(&ilist->rblist, (void *)((long)i));
}
void intlist__remove(struct intlist *ilist __used, struct int_node *node)
{
int_node__delete(node);
}
struct int_node *intlist__find(struct intlist *ilist, int i)
{
struct int_node *node = NULL;
struct rb_node *rb_node = rblist__find(&ilist->rblist, (void *)((long)i));
if (rb_node)
node = container_of(rb_node, struct int_node, rb_node);
return node;
}
struct intlist *intlist__new(void)
{
struct intlist *ilist = malloc(sizeof(*ilist));
if (ilist != NULL) {
rblist__init(&ilist->rblist);
ilist->rblist.node_cmp = intlist__node_cmp;
ilist->rblist.node_new = intlist__node_new;
ilist->rblist.node_delete = intlist__node_delete;
}
return ilist;
}
void intlist__delete(struct intlist *ilist)
{
if (ilist != NULL)
rblist__delete(&ilist->rblist);
}
struct int_node *intlist__entry(const struct intlist *ilist, unsigned int idx)
{
struct int_node *node = NULL;
struct rb_node *rb_node;
rb_node = rblist__entry(&ilist->rblist, idx);
if (rb_node)
node = container_of(rb_node, struct int_node, rb_node);
return node;
}
|
