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-rw-r--r--bdb/examples_cxx/EnvExample.cpp121
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diff --git a/bdb/examples_cxx/EnvExample.cpp b/bdb/examples_cxx/EnvExample.cpp
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--- a/bdb/examples_cxx/EnvExample.cpp
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-/*-
- * See the file LICENSE for redistribution information.
- *
- * Copyright (c) 1997-2002
- * Sleepycat Software. All rights reserved.
- *
- * $Id: EnvExample.cpp,v 11.24 2002/01/11 15:52:15 bostic Exp $
- */
-
-#include <sys/types.h>
-
-#include <errno.h>
-#include <iostream>
-#include <stddef.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include <db_cxx.h>
-
-using std::ostream;
-using std::cout;
-using std::cerr;
-
-#ifdef macintosh
-#define DATABASE_HOME ":database"
-#define CONFIG_DATA_DIR ":database"
-#else
-#ifdef DB_WIN32
-#define DATABASE_HOME "\\tmp\\database"
-#define CONFIG_DATA_DIR "\\database\\files"
-#else
-#define DATABASE_HOME "/tmp/database"
-#define CONFIG_DATA_DIR "/database/files"
-#endif
-#endif
-
-void db_setup(const char *, const char *, ostream&);
-void db_teardown(const char *, const char *, ostream&);
-
-const char *progname = "EnvExample"; /* Program name. */
-
-//
-// An example of a program creating/configuring a Berkeley DB environment.
-//
-int
-main(int, char **)
-{
- //
- // Note: it may be easiest to put all Berkeley DB operations in a
- // try block, as seen here. Alternatively, you can change the
- // ErrorModel in the DbEnv so that exceptions are never thrown
- // and check error returns from all methods.
- //
- try {
- const char *data_dir, *home;
-
- //
- // All of the shared database files live in /home/database,
- // but data files live in /database.
- //
- home = DATABASE_HOME;
- data_dir = CONFIG_DATA_DIR;
-
- cout << "Setup env\n";
- db_setup(home, data_dir, cerr);
-
- cout << "Teardown env\n";
- db_teardown(home, data_dir, cerr);
- return (EXIT_SUCCESS);
- }
- catch (DbException &dbe) {
- cerr << "EnvExample: " << dbe.what() << "\n";
- return (EXIT_FAILURE);
- }
-}
-
-// Note that any of the db calls can throw DbException
-void
-db_setup(const char *home, const char *data_dir, ostream& err_stream)
-{
- //
- // Create an environment object and initialize it for error
- // reporting.
- //
- DbEnv *dbenv = new DbEnv(0);
- dbenv->set_error_stream(&err_stream);
- dbenv->set_errpfx(progname);
-
- //
- // We want to specify the shared memory buffer pool cachesize,
- // but everything else is the default.
- //
- dbenv->set_cachesize(0, 64 * 1024, 0);
-
- // Databases are in a subdirectory.
- (void)dbenv->set_data_dir(data_dir);
-
- // Open the environment with full transactional support.
- dbenv->open(home,
- DB_CREATE | DB_INIT_LOCK | DB_INIT_LOG | DB_INIT_MPOOL | DB_INIT_TXN, 0);
-
- // Do something interesting...
-
- // Close the handle.
- dbenv->close(0);
-}
-
-void
-db_teardown(const char *home, const char *data_dir, ostream& err_stream)
-{
- // Remove the shared database regions.
- DbEnv *dbenv = new DbEnv(0);
-
- dbenv->set_error_stream(&err_stream);
- dbenv->set_errpfx(progname);
-
- (void)dbenv->set_data_dir(data_dir);
- dbenv->remove(home, 0);
- delete dbenv;
-}