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bc7b9984d3
1 of 2 for https://github.com/ReOpen/libmdbx/issues/3 Change-Id: I7a0b820e092e7b0064ae22341bebcd015e37b7c7
85 lines
2.4 KiB
Plaintext
85 lines
2.4 KiB
Plaintext
/* sample-mdb.txt - MDB toy/sample
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*
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* Do a line-by-line comparison of this and sample-bdb.txt
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*/
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/*
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* Copyright (c) 2015,2016 Leonid Yuriev <leo@yuriev.ru>.
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* Copyright (c) 2015,2016 Peter-Service R&D LLC.
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*
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* This file is part of ReOpenMDBX.
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*
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* ReOpenMDBX is free software; you can redistribute it and/or modify it under
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* the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* ReOpenMDBX is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* ---
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*
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* Copyright 2012-2016 Howard Chu, Symas Corp.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted only as authorized by the OpenLDAP
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* Public License.
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*
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* A copy of this license is available in the file LICENSE in the
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* top-level directory of the distribution or, alternatively, at
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* <http://www.OpenLDAP.org/license.html>.
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*/
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#include <stdio.h>
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#include "lmdb.h"
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int main(int argc,char * argv[])
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{
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int rc;
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MDB_env *env;
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MDB_dbi dbi;
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MDB_val key, data;
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MDB_txn *txn;
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MDB_cursor *cursor;
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char sval[32];
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/* Note: Most error checking omitted for simplicity */
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rc = mdb_env_create(&env);
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rc = mdb_env_open(env, "./testdb", 0, 0664);
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rc = mdb_txn_begin(env, NULL, 0, &txn);
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rc = mdb_dbi_open(txn, NULL, 0, &dbi);
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key.mv_size = sizeof(int);
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key.mv_data = sval;
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data.mv_size = sizeof(sval);
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data.mv_data = sval;
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sprintf(sval, "%03x %d foo bar", 32, 3141592);
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rc = mdb_put(txn, dbi, &key, &data, 0);
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rc = mdb_txn_commit(txn);
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if (rc) {
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fprintf(stderr, "mdb_txn_commit: (%d) %s\n", rc, mdb_strerror(rc));
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goto leave;
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}
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rc = mdb_txn_begin(env, NULL, MDB_RDONLY, &txn);
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rc = mdb_cursor_open(txn, dbi, &cursor);
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while ((rc = mdb_cursor_get(cursor, &key, &data, MDB_NEXT)) == 0) {
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printf("key: %p %.*s, data: %p %.*s\n",
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key.mv_data, (int) key.mv_size, (char *) key.mv_data,
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data.mv_data, (int) data.mv_size, (char *) data.mv_data);
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}
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mdb_cursor_close(cursor);
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mdb_txn_abort(txn);
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leave:
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mdb_dbi_close(env, dbi);
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mdb_env_close(env);
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return 0;
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}
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