blob: c9c19b86a686f8d2177997607ce52016462203c4 (
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
|
// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2024 Google LLC
*/
#include "gendwarfksyms.h"
struct cache_item {
unsigned long key;
int value;
struct hlist_node hash;
};
void cache_set(struct cache *cache, unsigned long key, int value)
{
struct cache_item *ci;
ci = xmalloc(sizeof(struct cache_item));
ci->key = key;
ci->value = value;
hash_add(cache->cache, &ci->hash, hash_32(key));
}
int cache_get(struct cache *cache, unsigned long key)
{
struct cache_item *ci;
hash_for_each_possible(cache->cache, ci, hash, hash_32(key)) {
if (ci->key == key)
return ci->value;
}
return -1;
}
void cache_init(struct cache *cache)
{
hash_init(cache->cache);
}
void cache_free(struct cache *cache)
{
struct hlist_node *tmp;
struct cache_item *ci;
hash_for_each_safe(cache->cache, ci, tmp, hash) {
free(ci);
}
hash_init(cache->cache);
}
|