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‎doc/v2/ssize_t.html‎

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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<!-- Copyright Ralf W. Grosse-Kunstleve 2006. Distributed under the Boost -->
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<!-- Software License, Version 1.0. (See accompanying -->
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<!-- file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) -->
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<html>
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<head>
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<meta name="generator" content=
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"HTML Tidy for Linux/x86 (vers 1 September 2005), see www.w3.org">
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<meta http-equiv="Content-Type" content=
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"text/html; charset=us-ascii">
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<link rel="stylesheet" type="text/css" href="../boost.css">
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<title>Boost.Python - &lt;boost/python/ssize_t.hpp&gt;</title>
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</head>
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<body>
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<table border="0" cellpadding="7" cellspacing="0" width="100%"
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summary="header">
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<tr>
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<td valign="top" width="300">
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<h3><a href="../../../../index.htm"><img height="86" width=
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"277" alt="C++ Boost" src="../../../../boost.png" border=
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"0"></a></h3>
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</td>
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<td valign="top">
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<h1 align="center"><a href=
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"../index.html">Boost.Python</a></h1>
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<h2 align="center">Header
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&lt;boost/python/ssize_t.hpp&gt;</h2>
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</td>
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</tr>
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</table>
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<hr>
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<h2>Contents</h2>
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<dl class="page-index">
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<dt><a href="#introduction">Introduction</a></dt>
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<dt><a href="#typdefs">Typedef</a></dt>
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<dt><a href="#macros">Constants</a></dt>
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</dl>
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<hr>
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<h2><a name="introduction" id=
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"introduction"></a>Introduction</h2>
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<p>Python 2.5 introduces a new <tt>Py_ssize_t</tt> typedef and
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two related macros (<a href=
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"http://www.python.org/dev/peps/pep-0353/">PEP 353</a>). The
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<tt>&lt;boost/python/ssize_t.hpp&gt;</tt> header imports these
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definitions into the <tt>boost::python</tt> namespace as
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<tt>ssize_t</tt>, <tt>ssize_t_max</tt>, and <tt>ssize_t_min</tt>.
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Appropriate definitions are provided for backward compatibility
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with previous Python versions.</p>
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<h2><a name="typedefs" id="typedefs"></a>Typedefs</h2>Imports
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<tt>Py_ssize_t</tt> into the <tt>boost::python</tt> namespace if
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available, or provides an appropriate typedef for backward
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compatibility:
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<pre>
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#if PY_VERSION_HEX &gt;= 0x02050000
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typedef Py_ssize_t ssize_t;
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#else
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typedef int ssize_t;
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#endif
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</pre>
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<h2><a name="constants" id="constants"></a>Constants</h2>Imports
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<tt>PY_SSIZE_T_MAX</tt> and <tt>PY_SSIZE_T_MIN</tt> as constants
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into the <tt>boost::python</tt> namespace if available, or
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provides appropriate constants for backward compatibility:
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<pre>
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#if PY_VERSION_HEX &gt;= 0x02050000
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ssize_t const ssize_t_max = PY_SSIZE_T_MAX;
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ssize_t const ssize_t_min = PY_SSIZE_T_MIN;
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#else
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ssize_t const ssize_t_max = INT_MAX;
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ssize_t const ssize_t_min = INT_MIN;
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#endif
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</pre>
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<p>Revised
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<!--webbot bot="Timestamp" S-Type="EDITED" S-Format="%d %B, %Y" startspan -->
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25 September, 2006
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<!--webbot bot="Timestamp" endspan i-checksum="39359" --></p>
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<p><i>&copy; Copyright <a href=
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"../../../../people/ralf_w_grosse_kunstleve.htm">Ralf W.
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Grosse-Kunstleve</a> 2006.</i></p>
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</body>
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</html>

‎include/boost/python/ssize_t.hpp‎

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// Copyright Ralf W. Grosse-Kunstleve & David Abrahams 2006.
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// Distributed under the Boost Software License, Version 1.0. (See
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// accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#ifndef BOOST_PYTHON_SSIZE_T_RWGK20060924_HPP
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# define BOOST_PYTHON_SSIZE_T_RWGK20060924_HPP
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# include <boost/python/detail/prefix.hpp>
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namespace boost { namespace python {
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#if PY_VERSION_HEX >= 0x02050000
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typedef Py_ssize_t ssize_t;
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ssize_t const ssize_t_max = PY_SSIZE_T_MAX;
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ssize_t const ssize_t_min = PY_SSIZE_T_MIN;
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#else
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typedef int ssize_t;
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ssize_t const ssize_t_max = INT_MAX;
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ssize_t const ssize_t_min = INT_MIN;
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#endif
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}} // namespace boost::python
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#endif // BOOST_PYTHON_SSIZE_T_RWGK20060924_HPP

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