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
|
// SPDX-License-Identifier: LGPL-3.0-or-later
#include <hkvs.h>
#include <string.h>
#include <stdio.h>
#include <fcntl.h>
int main(int argc, char **argv) {
argc--;
argv++;
if(argc % 2 != 0) {
return 1;
}
(void)argc;
(void)argv;
int dfd = open("dbdir", O_RDONLY | O_DIRECTORY | O_CLOEXEC);
if(dfd < 0) {
fprintf(stderr, "Failed to open dbdir: %s\n", strerror(errno));
return 1;
}
hkvs_io *io = hkvs_io_new_unsafe_dirfd(dfd);
if(!io) {
fprintf(stderr, "Failed to create hkvs_io\n");
return 1;
}
hkvs *c;
int r = hkvs_new(&c, io);
if(r < 0) {
fprintf(stderr, "Failed to open database: %s\n", strerror(-r));
return 1;
}
for(size_t i = 0;; i++) {
hkvs_table *t = hkvs_table_at(c, i);
if(!t) break;
size_t key_size = hkvs_table_key_size(c, t);
printf("Table %zu: %u [key size = %zu]\n", i, hkvs_table_id(c, t), key_size);
hkvs_iter it;
hkvs_iter_open(c, t, &it);
const char *key;
for(hkvs_rid rid; hkvs_rid_ok((rid = hkvs_iter_next(c, t, &it, &key)));) {
char *val;
size_t val_size;
r = hkvs_record_value(c, t, rid, &val, &val_size);
if(r < 0) {
fprintf(stderr, "Error: %s\n", strerror(-r));
return 1;
}
printf("[%llu] %.*s: [%zu] %.*s\n", (unsigned long long)rid.id, (int)key_size, key, val_size, (int)val_size, val);
}
}
hkvs_free(c);
}
|
