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<a href="irrpack_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// Copyright (C) 2007-2012 Nikolaus Gebhardt</span>
<a name="l00002"></a>00002 <span class="comment">// This file is part of the "Irrlicht Engine".</span>
<a name="l00003"></a>00003 <span class="comment">// For conditions of distribution and use, see copyright notice in irrlicht.h</span>
<a name="l00004"></a>00004
<a name="l00005"></a>00005 <span class="comment">// include this file right before the data structures to be 1-aligned</span>
<a name="l00006"></a>00006 <span class="comment">// and add to each structure the PACK_STRUCT define just like this:</span>
<a name="l00007"></a>00007 <span class="comment">// struct mystruct</span>
<a name="l00008"></a>00008 <span class="comment">// {</span>
<a name="l00009"></a>00009 <span class="comment">// ...</span>
<a name="l00010"></a>00010 <span class="comment">// } PACK_STRUCT;</span>
<a name="l00011"></a>00011 <span class="comment">// Always include the irrunpack.h file right after the last type declared</span>
<a name="l00012"></a>00012 <span class="comment">// like this, and do not put any other types with different alignment</span>
<a name="l00013"></a>00013 <span class="comment">// in between!</span>
<a name="l00014"></a>00014
<a name="l00015"></a>00015 <span class="comment">// byte-align structures</span>
<a name="l00016"></a>00016 <span class="preprocessor">#if defined(_MSC_VER) || defined(__BORLANDC__) || defined (__BCPLUSPLUS__)</span>
<a name="l00017"></a>00017 <span class="preprocessor"></span><span class="preprocessor"># pragma warning(disable: 4103)</span>
<a name="l00018"></a>00018 <span class="preprocessor"></span><span class="preprocessor"># pragma pack( push, packing )</span>
<a name="l00019"></a>00019 <span class="preprocessor"></span><span class="preprocessor"># pragma pack( 1 )</span>
<a name="l00020"></a>00020 <span class="preprocessor"></span><span class="preprocessor"># define PACK_STRUCT</span>
<a name="l00021"></a>00021 <span class="preprocessor"></span><span class="preprocessor">#elif defined( __DMC__ )</span>
<a name="l00022"></a>00022 <span class="preprocessor"></span><span class="preprocessor"># pragma pack( push, 1 )</span>
<a name="l00023"></a>00023 <span class="preprocessor"></span><span class="preprocessor"># define PACK_STRUCT</span>
<a name="l00024"></a>00024 <span class="preprocessor"></span><span class="preprocessor">#elif defined( __GNUC__ )</span>
<a name="l00025"></a>00025 <span class="preprocessor"></span> <span class="comment">// Using pragma pack might work with earlier gcc versions already, but</span>
<a name="l00026"></a>00026 <span class="comment">// it started to be necessary with gcc 4.7 on mingw unless compiled with -mno-ms-bitfields.</span>
<a name="l00027"></a>00027 <span class="comment">// And I found some hints on the web that older gcc versions on the other hand had sometimes</span>
<a name="l00028"></a>00028 <span class="comment">// trouble with pragma pack while they worked with __attribute__((packed)).</span>
<a name="l00029"></a>00029 <span class="preprocessor"># if (__GNUC__ >= 4 ) && (__GNUC_MINOR__ >= 7)</span>
<a name="l00030"></a>00030 <span class="preprocessor"></span><span class="preprocessor"># pragma pack( push, packing )</span>
<a name="l00031"></a>00031 <span class="preprocessor"></span><span class="preprocessor"># pragma pack( 1 )</span>
<a name="l00032"></a>00032 <span class="preprocessor"></span><span class="preprocessor"># define PACK_STRUCT</span>
<a name="l00033"></a>00033 <span class="preprocessor"></span><span class="preprocessor"># else</span>
<a name="l00034"></a>00034 <span class="preprocessor"></span><span class="preprocessor"># define PACK_STRUCT __attribute__((packed))</span>
<a name="l00035"></a>00035 <span class="preprocessor"></span><span class="preprocessor"> #endif</span>
<a name="l00036"></a>00036 <span class="preprocessor"></span><span class="preprocessor">#else</span>
<a name="l00037"></a>00037 <span class="preprocessor"></span><span class="preprocessor"># error compiler not supported</span>
<a name="l00038"></a>00038 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00039"></a>00039 <span class="preprocessor"></span>
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