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-/*----------------------------------------------------------------------
- Copyright (c) 1999-2001, Digital Creations, Fredericksburg, VA, USA
- and Andrew Kuchling. All rights reserved.
-
- Redistribution and use in source and binary forms, with or without
- modification, are permitted provided that the following conditions are
- met:
-
- o Redistributions of source code must retain the above copyright
- notice, this list of conditions, and the disclaimer that follows.
-
- o Redistributions in binary form must reproduce the above copyright
- notice, this list of conditions, and the following disclaimer in
- the documentation and/or other materials provided with the
- distribution.
-
- o Neither the name of Digital Creations nor the names of its
- contributors may be used to endorse or promote products derived
- from this software without specific prior written permission.
-
- THIS SOFTWARE IS PROVIDED BY DIGITAL CREATIONS AND CONTRIBUTORS *AS
- IS* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
- TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
- PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL DIGITAL
- CREATIONS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
- OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
- TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
- USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
- DAMAGE.
-------------------------------------------------------------------------*/
-
-
-/*
- * Handwritten code to wrap version 3.x of the Berkeley DB library,
- * written to replace a SWIG-generated file. It has since been updated
- * to compile with Berkeley DB versions 3.2 through 4.2.
- *
- * This module was started by Andrew Kuchling to remove the dependency
- * on SWIG in a package by Gregory P. Smith who based his work on a
- * similar package by Robin Dunn <robin@alldunn.com> which wrapped
- * Berkeley DB 2.7.x.
- *
- * Development of this module then returned full circle back to Robin Dunn
- * who worked on behalf of Digital Creations to complete the wrapping of
- * the DB 3.x API and to build a solid unit test suite. Robin has
- * since gone onto other projects (wxPython).
- *
- * Gregory P. Smith <greg@krypto.org> is once again the maintainer.
- *
- * Use the pybsddb-users@lists.sf.net mailing list for all questions.
- * Things can change faster than the header of this file is updated. This
- * file is shared with the PyBSDDB project at SourceForge:
- *
- * http://pybsddb.sf.net
- *
- * This file should remain backward compatible with Python 2.1, but see PEP
- * 291 for the most current backward compatibility requirements:
- *
- * http://www.python.org/peps/pep-0291.html
- *
- * This module contains 6 types:
- *
- * DB (Database)
- * DBCursor (Database Cursor)
- * DBEnv (database environment)
- * DBTxn (An explicit database transaction)
- * DBLock (A lock handle)
- * DBSequence (Sequence)
- *
- */
-
-/* --------------------------------------------------------------------- */
-
-/*
- * Portions of this module, associated unit tests and build scripts are the
- * result of a contract with The Written Word (http://thewrittenword.com/)
- * Many thanks go out to them for causing me to raise the bar on quality and
- * functionality, resulting in a better bsddb3 package for all of us to use.
- *
- * --Robin
- */
-
-/* --------------------------------------------------------------------- */
-
-/*
- * Work to split it up into a separate header and to add a C API was
- * contributed by Duncan Grisby <duncan@tideway.com>. See here:
- * http://sourceforge.net/tracker/index.php?func=detail&aid=1551895&group_id=13900&atid=313900
- */
-
-/* --------------------------------------------------------------------- */
-
-#ifndef _BSDDB_H_
-#define _BSDDB_H_
-
-#include <db.h>
-
-
-/* 40 = 4.0, 33 = 3.3; this will break if the minor revision is > 9 */
-#define DBVER (DB_VERSION_MAJOR * 10 + DB_VERSION_MINOR)
-#if DB_VERSION_MINOR > 9
-#error "eek! DBVER can't handle minor versions > 9"
-#endif
-
-#define PY_BSDDB_VERSION "4.7.3pre5"
-
-/* Python object definitions */
-
-struct behaviourFlags {
- /* What is the default behaviour when DB->get or DBCursor->get returns a
- DB_NOTFOUND || DB_KEYEMPTY error? Return None or raise an exception? */
- unsigned int getReturnsNone : 1;
- /* What is the default behaviour for DBCursor.set* methods when DBCursor->get
- * returns a DB_NOTFOUND || DB_KEYEMPTY error? Return None or raise? */
- unsigned int cursorSetReturnsNone : 1;
-};
-
-
-
-struct DBObject; /* Forward declaration */
-struct DBCursorObject; /* Forward declaration */
-struct DBTxnObject; /* Forward declaration */
-struct DBSequenceObject; /* Forward declaration */
-
-typedef struct {
- PyObject_HEAD
- DB_ENV* db_env;
- u_int32_t flags; /* saved flags from open() */
- int closed;
- struct behaviourFlags moduleFlags;
- PyObject* event_notifyCallback;
- struct DBObject *children_dbs;
- struct DBTxnObject *children_txns;
- PyObject *private_obj;
- PyObject *rep_transport;
- PyObject *in_weakreflist; /* List of weak references */
-} DBEnvObject;
-
-typedef struct DBObject {
- PyObject_HEAD
- DB* db;
- DBEnvObject* myenvobj; /* PyObject containing the DB_ENV */
- u_int32_t flags; /* saved flags from open() */
- u_int32_t setflags; /* saved flags from set_flags() */
- int haveStat;
- struct behaviourFlags moduleFlags;
- struct DBTxnObject *txn;
- struct DBCursorObject *children_cursors;
-#if (DBVER >=43)
- struct DBSequenceObject *children_sequences;
-#endif
- struct DBObject **sibling_prev_p;
- struct DBObject *sibling_next;
- struct DBObject **sibling_prev_p_txn;
- struct DBObject *sibling_next_txn;
- PyObject* associateCallback;
- PyObject* btCompareCallback;
- int primaryDBType;
- PyObject *private_obj;
- PyObject *in_weakreflist; /* List of weak references */
-} DBObject;
-
-
-typedef struct DBCursorObject {
- PyObject_HEAD
- DBC* dbc;
- struct DBCursorObject **sibling_prev_p;
- struct DBCursorObject *sibling_next;
- struct DBCursorObject **sibling_prev_p_txn;
- struct DBCursorObject *sibling_next_txn;
- DBObject* mydb;
- struct DBTxnObject *txn;
- PyObject *in_weakreflist; /* List of weak references */
-} DBCursorObject;
-
-
-typedef struct DBTxnObject {
- PyObject_HEAD
- DB_TXN* txn;
- DBEnvObject* env;
- int flag_prepare;
- struct DBTxnObject *parent_txn;
- struct DBTxnObject **sibling_prev_p;
- struct DBTxnObject *sibling_next;
- struct DBTxnObject *children_txns;
- struct DBObject *children_dbs;
- struct DBSequenceObject *children_sequences;
- struct DBCursorObject *children_cursors;
- PyObject *in_weakreflist; /* List of weak references */
-} DBTxnObject;
-
-
-typedef struct {
- PyObject_HEAD
- DB_LOCK lock;
- PyObject *in_weakreflist; /* List of weak references */
-} DBLockObject;
-
-
-#if (DBVER >= 43)
-typedef struct DBSequenceObject {
- PyObject_HEAD
- DB_SEQUENCE* sequence;
- DBObject* mydb;
- struct DBTxnObject *txn;
- struct DBSequenceObject **sibling_prev_p;
- struct DBSequenceObject *sibling_next;
- struct DBSequenceObject **sibling_prev_p_txn;
- struct DBSequenceObject *sibling_next_txn;
- PyObject *in_weakreflist; /* List of weak references */
-} DBSequenceObject;
-#endif
-
-
-/* API structure for use by C code */
-
-/* To access the structure from an external module, use code like the
- following (error checking missed out for clarity):
-
- BSDDB_api* bsddb_api;
- PyObject* mod;
- PyObject* cobj;
-
- mod = PyImport_ImportModule("bsddb._bsddb");
- // Use "bsddb3._pybsddb" if you're using the standalone pybsddb add-on.
- cobj = PyObject_GetAttrString(mod, "api");
- api = (BSDDB_api*)PyCObject_AsVoidPtr(cobj);
- Py_DECREF(cobj);
- Py_DECREF(mod);
-
- The structure's members must not be changed.
-*/
-
-typedef struct {
- /* Type objects */
- PyTypeObject* db_type;
- PyTypeObject* dbcursor_type;
- PyTypeObject* dbenv_type;
- PyTypeObject* dbtxn_type;
- PyTypeObject* dblock_type;
-#if (DBVER >= 43)
- PyTypeObject* dbsequence_type;
-#endif
-
- /* Functions */
- int (*makeDBError)(int err);
-
-} BSDDB_api;
-
-
-#ifndef COMPILING_BSDDB_C
-
-/* If not inside _bsddb.c, define type check macros that use the api
- structure. The calling code must have a value named bsddb_api
- pointing to the api structure.
-*/
-
-#define DBObject_Check(v) ((v)->ob_type == bsddb_api->db_type)
-#define DBCursorObject_Check(v) ((v)->ob_type == bsddb_api->dbcursor_type)
-#define DBEnvObject_Check(v) ((v)->ob_type == bsddb_api->dbenv_type)
-#define DBTxnObject_Check(v) ((v)->ob_type == bsddb_api->dbtxn_type)
-#define DBLockObject_Check(v) ((v)->ob_type == bsddb_api->dblock_type)
-#if (DBVER >= 43)
-#define DBSequenceObject_Check(v) ((v)->ob_type == bsddb_api->dbsequence_type)
-#endif
-
-#endif /* COMPILING_BSDDB_C */
-
-
-#endif /* _BSDDB_H_ */
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