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67 lines
1.8 KiB
Plaintext
67 lines
1.8 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 2015-2017 Leonid Yuriev <leo@yuriev.ru>.
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* Copyright 2012-2015 Howard Chu, Symas Corp.
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* Copyright 2015,2016 Peter-Service R&D LLC.
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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 "mdbx.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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MDBX_env *env;
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MDBX_dbi dbi;
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MDBX_val key, data;
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MDBX_txn *txn;
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MDBX_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 = mdbx_env_create(&env);
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rc = mdbx_env_open(env, "./testdb", 0, 0664);
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rc = mdbx_txn_begin(env, NULL, 0, &txn);
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rc = mdbx_dbi_open(txn, NULL, 0, &dbi);
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key.iov_len = sizeof(int);
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key.iov_base = sval;
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data.iov_len = sizeof(sval);
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data.iov_base = sval;
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sprintf(sval, "%03x %d foo bar", 32, 3141592);
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rc = mdbx_put(txn, dbi, &key, &data, 0);
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rc = mdbx_txn_commit(txn);
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if (rc) {
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fprintf(stderr, "mdbx_txn_commit: (%d) %s\n", rc, mdbx_strerror(rc));
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goto leave;
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}
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rc = mdbx_txn_begin(env, NULL, MDBX_RDONLY, &txn);
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rc = mdbx_cursor_open(txn, dbi, &cursor);
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while ((rc = mdbx_cursor_get(cursor, &key, &data, MDBX_NEXT)) == 0) {
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printf("key: %p %.*s, data: %p %.*s\n",
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key.iov_base, (int) key.iov_len, (char *) key.iov_base,
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data.iov_base, (int) data.iov_len, (char *) data.iov_base);
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}
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mdbx_cursor_close(cursor);
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mdbx_txn_abort(txn);
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leave:
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mdbx_dbi_close(env, dbi);
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mdbx_env_close(env);
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return 0;
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}
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