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
|
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include "cheesemap.h"
struct user_info {
const char* country;
int age;
int zip;
};
static const char* NAME = "Max Mustermann";
static struct user_info INFO = {
.age = 23,
.country = "germany",
.zip = 69420,
};
static const char* NAME2 = "Peter Urs";
static struct user_info INFO2 = {
.age = 64,
.country = "switzerland",
.zip = 1201,
};
uint64_t hash(const uint8_t* key, uint8_t* user) {
(void)user;
const char* name = (const char*)key;
uint64_t count;
while (*name) {
count++;
name++;
}
return count;
}
bool compare(const uint8_t* key1, const uint8_t* key2, uint8_t* user) {
(void)user;
const char* name1 = (const char*)key1;
const char* name2 = (const char*)key2;
return strcmp(name1, name2) == 0;
}
int main() {
struct cheesemap map;
cm_new(&map, sizeof(const char*), _Alignof(const char*),
sizeof(struct user_info), _Alignof(struct user_info), NULL, hash,
compare);
bool ok = cm_insert(&map, (const uint8_t*)NAME, (uint8_t*)&INFO);
if (!ok) return 1;
ok = cm_insert(&map, (const uint8_t*)NAME2, (const uint8_t*)&INFO2);
if (!ok) return 1;
struct user_info* found_max;
ok = cm_lookup(&map, (const uint8_t*)NAME, (uint8_t**)&found_max);
if (!ok) return 1;
if (memcmp(&INFO, found_max, sizeof(struct user_info)) != 0) return 1;
printf("Max Mustermann is of age %d lives in %s at ZIP %d\n", found_max->age,
found_max->country, found_max->zip);
struct user_info* found_peter;
ok = cm_lookup(&map, (const uint8_t*)NAME2, (uint8_t**)&found_peter);
if (memcmp(&INFO2, found_peter, sizeof(struct user_info)) != 0) return 1;
printf("Peter Urs is of age %d lives in %s at ZIP %d\n", found_peter->age,
found_peter->country, found_peter->zip);
ok = cm_remove(&map, (const uint8_t*)NAME, NULL);
if (!ok) return 1;
struct user_info* found_max2;
ok = cm_lookup(&map, (const uint8_t*)NAME, (uint8_t**)&found_max2);
if (ok) return 1;
cm_drop(&map);
}
|
