AppPkg/Applications/Python/Python-2.7.2/Modules/_sqlite/sqlitecompat.h

   1 /* sqlitecompat.h - compatibility macros
   2  *
   3  * Copyright (C) 2006-2010 Gerhard Häring <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
  32 typedef int Py_ssize_t;
  33 typedef 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