Mercurial > cpython-lru_cache-weakref

annotate Modules/_sqlite/sqlitecompat.h @ 80661:94de77bd0b4b 2.7

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Issue #16194: document imp.load_dynamic problems when read several extension modules from the same binary object file.
author Andrew Svetlov <andrew.svetlov@gmail.com>
date Thu, 29 Nov 2012 19:51:28 +0200
parents 04d3ae52ff73
children e9cd15d539e1
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1 /* sqlitecompat.h - compatibility macros
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2 *
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3 * Copyright (C) 2006-2010 Gerhard Häring <gh@ghaering.de>
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4 *
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5 * This file is part of pysqlite.
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6 *
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7 * This software is provided 'as-is', without any express or implied
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8 * warranty. In no event will the authors be held liable for any damages
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9 * arising from the use of this software.
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10 *
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11 * Permission is granted to anyone to use this software for any purpose,
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12 * including commercial applications, and to alter it and redistribute it
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13 * freely, subject to the following restrictions:
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14 *
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15 * 1. The origin of this software must not be misrepresented; you must not
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16 * claim that you wrote the original software. If you use this software
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17 * in a product, an acknowledgment in the product documentation would be
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18 * appreciated but is not required.
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19 * 2. Altered source versions must be plainly marked as such, and must not be
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20 * misrepresented as being the original software.
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21 * 3. This notice may not be removed or altered from any source distribution.
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22 */
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23
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24 #include "Python.h"
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25
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26 #ifndef PYSQLITE_COMPAT_H
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27 #define PYSQLITE_COMPAT_H
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28
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29 /* define Py_ssize_t for pre-2.5 versions of Python */
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30
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31 #if PY_VERSION_HEX < 0x02050000
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32 typedef int Py_ssize_t;
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33 typedef int (*lenfunc)(PyObject*);
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34 #endif
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35
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36
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37 /* define PyDict_CheckExact for pre-2.4 versions of Python */
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38 #ifndef PyDict_CheckExact
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39 #define PyDict_CheckExact(op) ((op)->ob_type == &PyDict_Type)
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40 #endif
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41
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42 /* define Py_CLEAR for pre-2.4 versions of Python */
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43 #ifndef Py_CLEAR
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44 #define Py_CLEAR(op) \
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45 do { \
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46 if (op) { \
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47 PyObject *tmp = (PyObject *)(op); \
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48 (op) = NULL; \
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49 Py_DECREF(tmp); \
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50 } \
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51 } while (0)
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52 #endif
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53
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54 #ifndef PyVarObject_HEAD_INIT
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55 #define PyVarObject_HEAD_INIT(type, size) \
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56 PyObject_HEAD_INIT(type) size,
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57 #endif
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58
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59 #ifndef Py_TYPE
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60 #define Py_TYPE(ob) ((ob)->ob_type)
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61 #endif
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62
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63 #endif