/* sample-mdb.c - MDB toy/sample * * Do a line-by-line comparison of this and sample-bdb.c */ /* * 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 * . */ #include #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]; rc = mdb_env_create(&env); rc = mdb_env_open(env, "./testdb", 0, 0664); rc = mdb_txn_begin(env, NULL, 0, &txn); rc = mdb_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_close(env, dbi); mdb_env_close(env); return 0; }