1/* sqlitecompat.h - compatibility macros 2 * 3 * Copyright (C) 2006-2010 Gerhard H�ring <gh@ghaering.de> 4 * 5 * This file is part of pysqlite. 6 * 7 * This software is provided 'as-is', without any express or implied 8 * warranty. In no event will the authors be held liable for any damages 9 * arising from the use of this software. 10 * 11 * Permission is granted to anyone to use this software for any purpose, 12 * including commercial applications, and to alter it and redistribute it 13 * freely, subject to the following restrictions: 14 * 15 * 1. The origin of this software must not be misrepresented; you must not 16 * claim that you wrote the original software. If you use this software 17 * in a product, an acknowledgment in the product documentation would be 18 * appreciated but is not required. 19 * 2. Altered source versions must be plainly marked as such, and must not be 20 * misrepresented as being the original software. 21 * 3. This notice may not be removed or altered from any source distribution. 22 */ 23 24#include "Python.h" 25 26#ifndef PYSQLITE_COMPAT_H 27#define PYSQLITE_COMPAT_H 28 29/* define Py_ssize_t for pre-2.5 versions of Python */ 30 31#if PY_VERSION_HEX < 0x02050000 32typedef int Py_ssize_t; 33typedef int (*lenfunc)(PyObject*); 34#endif 35 36 37/* define PyDict_CheckExact for pre-2.4 versions of Python */ 38#ifndef PyDict_CheckExact 39#define PyDict_CheckExact(op) ((op)->ob_type == &PyDict_Type) 40#endif 41 42/* define Py_CLEAR for pre-2.4 versions of Python */ 43#ifndef Py_CLEAR 44#define Py_CLEAR(op) \ 45 do { \ 46 if (op) { \ 47 PyObject *tmp = (PyObject *)(op); \ 48 (op) = NULL; \ 49 Py_DECREF(tmp); \ 50 } \ 51 } while (0) 52#endif 53 54#ifndef PyVarObject_HEAD_INIT 55#define PyVarObject_HEAD_INIT(type, size) \ 56 PyObject_HEAD_INIT(type) size, 57#endif 58 59#ifndef Py_TYPE 60#define Py_TYPE(ob) ((ob)->ob_type) 61#endif 62 63#endif 64