mirror of
https://github.com/monero-project/monero.git
synced 2024-12-27 05:59:28 +00:00
74 lines
2 KiB
Text
74 lines
2 KiB
Text
|
/* sample-bdb.txt - BerkeleyDB toy/sample
|
||
|
|
*
|
||
|
|
* Do a line-by-line comparison of this and sample-mdb.txt
|
||
|
|
*/
|
||
|
|
/*
|
||
|
|
* Copyright 2012 Howard Chu, Symas Corp.
|
||
|
|
* All rights reserved.
|
||
|
|
*
|
||
|
|
* Redistribution and use in source and binary forms, with or without
|
||
|
|
* modification, are permitted only as authorized by the OpenLDAP
|
||
|
|
* Public License.
|
||
|
|
*
|
||
|
|
* A copy of this license is available in the file LICENSE in the
|
||
|
|
* top-level directory of the distribution or, alternatively, at
|
||
|
|
* <http://www.OpenLDAP.org/license.html>.
|
||
|
|
*/
|
||
|
|
#include <stdio.h>
|
||
|
|
#include <string.h>
|
||
|
|
#include <db.h>
|
||
|
|
|
||
|
|
int main(int argc,char * argv[])
|
||
|
|
{
|
||
|
|
int rc;
|
||
|
|
DB_ENV *env;
|
||
|
|
DB *dbi;
|
||
|
|
DBT key, data;
|
||
|
|
DB_TXN *txn;
|
||
|
|
DBC *cursor;
|
||
|
|
char sval[32], kval[32];
|
||
|
|
|
||
|
|
/* Note: Most error checking omitted for simplicity */
|
||
|
|
|
||
|
|
#define FLAGS (DB_INIT_LOCK|DB_INIT_LOG|DB_INIT_TXN|DB_INIT_MPOOL|DB_CREATE|DB_THREAD)
|
||
|
|
rc = db_env_create(&env, 0);
|
||
|
|
rc = env->open(env, "./testdb", FLAGS, 0664);
|
||
|
|
rc = db_create(&dbi, env, 0);
|
||
|
|
rc = env->txn_begin(env, NULL, &txn, 0);
|
||
|
|
rc = dbi->open(dbi, txn, "test.bdb", NULL, DB_BTREE, DB_CREATE, 0664);
|
||
|
|
|
||
|
|
memset(&key, 0, sizeof(DBT));
|
||
|
|
memset(&data, 0, sizeof(DBT));
|
||
|
|
key.size = sizeof(int);
|
||
|
|
key.data = sval;
|
||
|
|
data.size = sizeof(sval);
|
||
|
|
data.data = sval;
|
||
|
|
|
||
|
|
sprintf(sval, "%03x %d foo bar", 32, 3141592);
|
||
|
|
rc = dbi->put(dbi, txn, &key, &data, 0);
|
||
|
|
rc = txn->commit(txn, 0);
|
||
|
|
if (rc) {
|
||
|
|
fprintf(stderr, "txn->commit: (%d) %s\n", rc, db_strerror(rc));
|
||
|
|
goto leave;
|
||
|
|
}
|
||
|
|
rc = env->txn_begin(env, NULL, &txn, 0);
|
||
|
|
rc = dbi->cursor(dbi, txn, &cursor, 0);
|
||
|
|
key.flags = DB_DBT_USERMEM;
|
||
|
|
key.data = kval;
|
||
|
|
key.ulen = sizeof(kval);
|
||
|
|
data.flags = DB_DBT_USERMEM;
|
||
|
|
data.data = sval;
|
||
|
|
data.ulen = sizeof(sval);
|
||
|
|
while ((rc = cursor->c_get(cursor, &key, &data, DB_NEXT)) == 0) {
|
||
|
|
printf("key: %p %.*s, data: %p %.*s\n",
|
||
|
|
key.data, (int) key.size, (char *) key.data,
|
||
|
|
data.data, (int) data.size, (char *) data.data);
|
||
|
|
}
|
||
|
|
rc = cursor->c_close(cursor);
|
||
|
|
rc = txn->abort(txn);
|
||
|
|
leave:
|
||
|
|
rc = dbi->close(dbi, 0);
|
||
|
|
rc = env->close(env, 0);
|
||
|
|
return rc;
|
||
|
|
}
|