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
|
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <db3/db.h>
static char * dbfile = "/var/lib/rpm/Dirnames";
int
main(int argc, char *argv[])
{
DB * db = NULL;
DB_TXN * txnid = NULL;
DBC * dbcursor = NULL;
DBT key;
DBT data;
unsigned int flags;
int rc, ec = 0;
if (argc > 1)
dbfile = argv[1];
if ((rc = db_create(&db, NULL, 0)) != 0) {
fprintf(stderr, "db_create: %s\n", db_strerror(rc));
exit (1);
}
if ((rc = db->open(db, dbfile, NULL, DB_UNKNOWN, DB_RDONLY, 0664)) != 0) {
db->err(db, rc, "db->open");
if (!ec) ec = rc;
goto err;
}
if ((rc = db->cursor(db, txnid, &dbcursor, 0)) != 0) {
db->err(db, rc, "db->cursor");
if (!ec) ec = rc;
goto err;
}
flags = DB_NEXT;
memset(&key, 0, sizeof(key));
memset(&data, 0, sizeof(data));
while ((rc = dbcursor->c_get(dbcursor, &key, &data, flags)) == 0) {
const char * kval;
size_t klen;
db_recno_t nrecs;
nrecs = 0;
if ((rc = dbcursor->c_count(dbcursor, &nrecs, 0)) != 0) {
db->err(db, rc, "dbcursor->c_count");
if (!ec) ec = rc;
}
kval = key.data;
klen = key.size;
printf("%3d %.*s\t%p[%d]\n", nrecs, klen, kval, data.data, data.size);
memset(&key, 0, sizeof(key));
memset(&data, 0, sizeof(data));
}
if (rc != DB_NOTFOUND) {
db->err(db, rc, "db->c_get");
if (!ec) ec = rc;
goto err;
}
err:
if (dbcursor && (rc = dbcursor->c_close(dbcursor)) != 0) {
db->err(db, rc, "dbcursor->c_close");
if (!ec) ec = rc;
}
if ((rc = db->close(db, 0)) != 0) {
db->err(db, rc, "db->close");
if (!ec) ec = rc;
}
return ec;
}
|
