psycopg2/psycopg/python.h
2010-04-09 12:53:38 +02:00

67 lines
2.1 KiB
C

/* python.h - python version compatibility stuff
*
* Copyright (C) 2003-2010 Federico Di Gregorio <fog@debian.org>
*
* This file is part of psycopg.
*
* psycopg2 is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* In addition, as a special exception, the copyright holders give
* permission to link this program with the OpenSSL library (or with
* modified versions of OpenSSL that use the same license as OpenSSL),
* and distribute linked combinations including the two.
*
* You must obey the GNU Lesser General Public License in all respects for
* all of the code used other than OpenSSL.
*
* psycopg2 is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
* License for more details.
*/
#ifndef PSYCOPG_PYTHON_H
#define PSYCOPG_PYTHON_H 1
#define PY_SSIZE_T_CLEAN
#include <Python.h>
#include <structmember.h>
#if PY_VERSION_HEX < 0x02040000
# error "psycopg requires Python >= 2.4"
#endif
#if PY_VERSION_HEX < 0x02050000 && !defined(PY_SSIZE_T_MIN)
typedef int Py_ssize_t;
#define PY_SSIZE_T_MIN INT_MIN
#define PY_SSIZE_T_MAX INT_MAX
#define PY_FORMAT_SIZE_T ""
#define PyInt_FromSsize_t(x) PyInt_FromLong((x))
#define readbufferproc getreadbufferproc
#define writebufferproc getwritebufferproc
#define segcountproc getsegcountproc
#define charbufferproc getcharbufferproc
#define CONV_CODE_PY_SSIZE_T "i"
#else
#define CONV_CODE_PY_SSIZE_T "n"
#endif
/* FORMAT_CODE_PY_SSIZE_T is for Py_ssize_t: */
#define FORMAT_CODE_PY_SSIZE_T "%" PY_FORMAT_SIZE_T "d"
/* FORMAT_CODE_SIZE_T is for plain size_t, not for Py_ssize_t: */
#ifdef _MSC_VER
/* For MSVC: */
#define FORMAT_CODE_SIZE_T "%Iu"
#else
/* C99 standard format code: */
#define FORMAT_CODE_SIZE_T "%zu"
#endif
#endif /* !defined(PSYCOPG_PYTHON_H) */