mirror of
https://github.com/isar/libmdbx.git
synced 2024-10-30 23:39:19 +08:00
85 lines
2.4 KiB
Plaintext
85 lines
2.4 KiB
Plaintext
/* sample-mdb.txt - MDB toy/sample
|
|
*
|
|
* Do a line-by-line comparison of this and sample-bdb.txt
|
|
*/
|
|
|
|
/*
|
|
* Copyright (c) 2015,2016 Leonid Yuriev <leo@yuriev.ru>.
|
|
* Copyright (c) 2015,2016 Peter-Service R&D LLC.
|
|
*
|
|
* This file is part of ReOpenMDBX.
|
|
*
|
|
* ReOpenMDBX is free software; you can redistribute it and/or modify it under
|
|
* the terms of the GNU Affero General Public License as published by
|
|
* the Free Software Foundation; either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* ReOpenMDBX is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU Affero General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Affero General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
* ---
|
|
*
|
|
* Copyright 2012-2014 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 "lmdb.h"
|
|
|
|
int main(int argc,char * argv[])
|
|
{
|
|
int rc;
|
|
MDB_env *env;
|
|
MDB_dbi dbi;
|
|
MDB_val key, data;
|
|
MDB_txn *txn;
|
|
MDB_cursor *cursor;
|
|
char sval[32];
|
|
|
|
/* Note: Most error checking omitted for simplicity */
|
|
|
|
rc = mdb_env_create(&env);
|
|
rc = mdb_env_open(env, "./testdb", 0, 0664);
|
|
rc = mdb_txn_begin(env, NULL, 0, &txn);
|
|
rc = mdb_dbi_open(txn, NULL, 0, &dbi);
|
|
|
|
key.mv_size = sizeof(int);
|
|
key.mv_data = sval;
|
|
data.mv_size = sizeof(sval);
|
|
data.mv_data = sval;
|
|
|
|
sprintf(sval, "%03x %d foo bar", 32, 3141592);
|
|
rc = mdb_put(txn, dbi, &key, &data, 0);
|
|
rc = mdb_txn_commit(txn);
|
|
if (rc) {
|
|
fprintf(stderr, "mdb_txn_commit: (%d) %s\n", rc, mdb_strerror(rc));
|
|
goto leave;
|
|
}
|
|
rc = mdb_txn_begin(env, NULL, MDB_RDONLY, &txn);
|
|
rc = mdb_cursor_open(txn, dbi, &cursor);
|
|
while ((rc = mdb_cursor_get(cursor, &key, &data, MDB_NEXT)) == 0) {
|
|
printf("key: %p %.*s, data: %p %.*s\n",
|
|
key.mv_data, (int) key.mv_size, (char *) key.mv_data,
|
|
data.mv_data, (int) data.mv_size, (char *) data.mv_data);
|
|
}
|
|
mdb_cursor_close(cursor);
|
|
mdb_txn_abort(txn);
|
|
leave:
|
|
mdb_dbi_close(env, dbi);
|
|
mdb_env_close(env);
|
|
return 0;
|
|
}
|