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74 lines
2.0 KiB
Plaintext
74 lines
2.0 KiB
Plaintext
/* sample-bdb.txt - BerkeleyDB toy/sample
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*
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* Do a line-by-line comparison of this and sample-mdb.txt
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*/
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/*
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* Copyright 2012-2015 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 <string.h>
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#include <db.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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DB_ENV *env;
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DB *dbi;
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DBT key, data;
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DB_TXN *txn;
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DBC *cursor;
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char sval[32], kval[32];
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/* Note: Most error checking omitted for simplicity */
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#define FLAGS (DB_INIT_LOCK|DB_INIT_LOG|DB_INIT_TXN|DB_INIT_MPOOL|DB_CREATE|DB_THREAD)
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rc = db_env_create(&env, 0);
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rc = env->open(env, "./testdb", FLAGS, 0664);
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rc = db_create(&dbi, env, 0);
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rc = env->txn_begin(env, NULL, &txn, 0);
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rc = dbi->open(dbi, txn, "test.bdb", NULL, DB_BTREE, DB_CREATE, 0664);
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memset(&key, 0, sizeof(DBT));
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memset(&data, 0, sizeof(DBT));
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key.size = sizeof(int);
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key.data = sval;
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data.size = sizeof(sval);
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data.data = sval;
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sprintf(sval, "%03x %d foo bar", 32, 3141592);
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rc = dbi->put(dbi, txn, &key, &data, 0);
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rc = txn->commit(txn, 0);
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if (rc) {
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fprintf(stderr, "txn->commit: (%d) %s\n", rc, db_strerror(rc));
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goto leave;
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}
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rc = env->txn_begin(env, NULL, &txn, 0);
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rc = dbi->cursor(dbi, txn, &cursor, 0);
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key.flags = DB_DBT_USERMEM;
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key.data = kval;
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key.ulen = sizeof(kval);
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data.flags = DB_DBT_USERMEM;
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data.data = sval;
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data.ulen = sizeof(sval);
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while ((rc = cursor->c_get(cursor, &key, &data, DB_NEXT)) == 0) {
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printf("key: %p %.*s, data: %p %.*s\n",
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key.data, (int) key.size, (char *) key.data,
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data.data, (int) data.size, (char *) data.data);
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}
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rc = cursor->c_close(cursor);
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rc = txn->abort(txn);
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leave:
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rc = dbi->close(dbi, 0);
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rc = env->close(env, 0);
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return rc;
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}
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