<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"> <title>Irrlicht Engine: irrAllocator.h Source File</title> <link href="doxygen.css" rel="stylesheet" type="text/css"> </head><body> <table class="irrlicht" > <tr valign="middle"> <td><font size="2"><a class="qindex" href="index.html"><font color="#FFFFFF">Home</font></a> | <a class="qindex" href="namespaces.html"><font color="#FFFFFF">Namespaces</font></a> | <a class="qindex" href="hierarchy.html"><font color="#FFFFFF">Hierarchy</font></a> | <a class="qindex" href="classes.html"><font color="#FFFFFF">Alphabetical List</font></a> | <a class="qindex" href="annotated.html"><font color="#FFFFFF"> Class list</font></a> | <a class="qindex" href="files.html"><font color="#FFFFFF">Files</font></a> | <a class="qindex" href="namespacemembers.html"><font color="#FFFFFF"> Namespace Members</font></a> | <a class="qindex" href="functions.html"><font color="#FFFFFF">Class members</font></a> | <a class="qindex" href="globals.html"><font color="#FFFFFF">File members</font></a> | <a class="qindex" href="pages.html"><font color="#FFFFFF">Tutorials</font></a></font> </td> </tr> </table> <!-- Generated by Doxygen 1.5.6 --> <h1>irrAllocator.h</h1><a href="irr_allocator_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) 2002-2009 Nikolaus Gebhardt</span> <a name="l00002"></a>00002 <span class="comment">// This file is part of the "Irrlicht Engine" and the "irrXML" project.</span> <a name="l00003"></a>00003 <span class="comment">// For conditions of distribution and use, see copyright notice in irrlicht.h and irrXML.h</span> <a name="l00004"></a>00004 <a name="l00005"></a>00005 <span class="preprocessor">#ifndef __IRR_ALLOCATOR_H_INCLUDED__</span> <a name="l00006"></a>00006 <span class="preprocessor"></span><span class="preprocessor">#define __IRR_ALLOCATOR_H_INCLUDED__</span> <a name="l00007"></a>00007 <span class="preprocessor"></span> <a name="l00008"></a>00008 <span class="preprocessor">#include "<a class="code" href="irr_types_8h.html">irrTypes.h</a>"</span> <a name="l00009"></a>00009 <span class="preprocessor">#include <new></span> <a name="l00010"></a>00010 <span class="comment">// necessary for older compilers</span> <a name="l00011"></a>00011 <span class="preprocessor">#include <memory.h></span> <a name="l00012"></a>00012 <a name="l00013"></a>00013 <span class="keyword">namespace </span>irr <a name="l00014"></a>00014 { <a name="l00015"></a>00015 <span class="keyword">namespace </span>core <a name="l00016"></a>00016 { <a name="l00017"></a>00017 <a name="l00018"></a>00018 <span class="preprocessor">#ifdef DEBUG_CLIENTBLOCK</span> <a name="l00019"></a>00019 <span class="preprocessor"></span><span class="preprocessor">#undef DEBUG_CLIENTBLOCK</span> <a name="l00020"></a>00020 <span class="preprocessor"></span><span class="preprocessor">#define DEBUG_CLIENTBLOCK new</span> <a name="l00021"></a>00021 <span class="preprocessor"></span><span class="preprocessor">#endif</span> <a name="l00022"></a>00022 <span class="preprocessor"></span> <a name="l00024"></a>00024 <span class="keyword">template</span><<span class="keyword">typename</span> T> <a name="l00025"></a><a class="code" href="classirr_1_1core_1_1irr_allocator.html">00025</a> <span class="keyword">class </span><a class="code" href="classirr_1_1core_1_1irr_allocator.html" title="Very simple allocator implementation, containers using it can be used across dll...">irrAllocator</a> <a name="l00026"></a>00026 { <a name="l00027"></a>00027 <span class="keyword">public</span>: <a name="l00028"></a>00028 <a name="l00030"></a><a class="code" href="classirr_1_1core_1_1irr_allocator.html#fbb5a33a4fb6491be506081673fb3824">00030</a> <span class="keyword">virtual</span> <a class="code" href="classirr_1_1core_1_1irr_allocator.html#fbb5a33a4fb6491be506081673fb3824" title="Destructor.">~irrAllocator</a>() {} <a name="l00031"></a>00031 <a name="l00033"></a><a class="code" href="classirr_1_1core_1_1irr_allocator.html#c4b471d893b1f19da361302af977c5c1">00033</a> T* <a class="code" href="classirr_1_1core_1_1irr_allocator.html#c4b471d893b1f19da361302af977c5c1" title="Allocate memory for an array of objects.">allocate</a>(<span class="keywordtype">size_t</span> cnt) <a name="l00034"></a>00034 { <a name="l00035"></a>00035 <span class="keywordflow">return</span> (T*)<a class="code" href="classirr_1_1core_1_1irr_allocator.html#8b48f4e2068c9ec931ef7bb6a244e377">internal_new</a>(cnt* <span class="keyword">sizeof</span>(T)); <a name="l00036"></a>00036 } <a name="l00037"></a>00037 <a name="l00039"></a><a class="code" href="classirr_1_1core_1_1irr_allocator.html#7670f5dc0be9162c669eb6ac5eae00a8">00039</a> <span class="keywordtype">void</span> <a class="code" href="classirr_1_1core_1_1irr_allocator.html#7670f5dc0be9162c669eb6ac5eae00a8" title="Deallocate memory for an array of objects.">deallocate</a>(T* ptr) <a name="l00040"></a>00040 { <a name="l00041"></a>00041 <a class="code" href="classirr_1_1core_1_1irr_allocator.html#bffd97ee70d7c73e5290de913e43a32c">internal_delete</a>(ptr); <a name="l00042"></a>00042 } <a name="l00043"></a>00043 <a name="l00045"></a><a class="code" href="classirr_1_1core_1_1irr_allocator.html#24601bd03410855534207c3e5ad7a24b">00045</a> <span class="keywordtype">void</span> <a class="code" href="classirr_1_1core_1_1irr_allocator.html#24601bd03410855534207c3e5ad7a24b" title="Construct an element.">construct</a>(T* ptr, <span class="keyword">const</span> T&e) <a name="l00046"></a>00046 { <a name="l00047"></a>00047 <span class="keyword">new</span> ((<span class="keywordtype">void</span>*)ptr) T(e); <a name="l00048"></a>00048 } <a name="l00049"></a>00049 <a name="l00051"></a><a class="code" href="classirr_1_1core_1_1irr_allocator.html#59e37e05219bd2ef3e57e66db4b994eb">00051</a> <span class="keywordtype">void</span> <a class="code" href="classirr_1_1core_1_1irr_allocator.html#59e37e05219bd2ef3e57e66db4b994eb" title="Destruct an element.">destruct</a>(T* ptr) <a name="l00052"></a>00052 { <a name="l00053"></a>00053 ptr->~T(); <a name="l00054"></a>00054 } <a name="l00055"></a>00055 <a name="l00056"></a>00056 <span class="keyword">protected</span>: <a name="l00057"></a>00057 <a name="l00058"></a><a class="code" href="classirr_1_1core_1_1irr_allocator.html#8b48f4e2068c9ec931ef7bb6a244e377">00058</a> <span class="keyword">virtual</span> <span class="keywordtype">void</span>* <a class="code" href="classirr_1_1core_1_1irr_allocator.html#8b48f4e2068c9ec931ef7bb6a244e377">internal_new</a>(<span class="keywordtype">size_t</span> cnt) <a name="l00059"></a>00059 { <a name="l00060"></a>00060 <span class="keywordflow">return</span> operator new(cnt); <a name="l00061"></a>00061 } <a name="l00062"></a>00062 <a name="l00063"></a><a class="code" href="classirr_1_1core_1_1irr_allocator.html#bffd97ee70d7c73e5290de913e43a32c">00063</a> <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classirr_1_1core_1_1irr_allocator.html#bffd97ee70d7c73e5290de913e43a32c">internal_delete</a>(<span class="keywordtype">void</span>* ptr) <a name="l00064"></a>00064 { <a name="l00065"></a>00065 operator delete(ptr); <a name="l00066"></a>00066 } <a name="l00067"></a>00067 <a name="l00068"></a>00068 }; <a name="l00069"></a>00069 <a name="l00070"></a>00070 <a name="l00072"></a>00072 <a name="l00074"></a>00074 <span class="keyword">template</span><<span class="keyword">typename</span> T> <a name="l00075"></a><a class="code" href="classirr_1_1core_1_1irr_allocator_fast.html">00075</a> <span class="keyword">class </span><a class="code" href="classirr_1_1core_1_1irr_allocator_fast.html" title="Fast allocator, only to be used in containers inside the same memory heap.">irrAllocatorFast</a> <a name="l00076"></a>00076 { <a name="l00077"></a>00077 <span class="keyword">public</span>: <a name="l00078"></a>00078 <a name="l00080"></a><a class="code" href="classirr_1_1core_1_1irr_allocator_fast.html#13d11b5583ef053825f7aea8dc3ed283">00080</a> T* <a class="code" href="classirr_1_1core_1_1irr_allocator_fast.html#13d11b5583ef053825f7aea8dc3ed283" title="Allocate memory for an array of objects.">allocate</a>(<span class="keywordtype">size_t</span> cnt) <a name="l00081"></a>00081 { <a name="l00082"></a>00082 <span class="keywordflow">return</span> (T*)operator new(cnt* <span class="keyword">sizeof</span>(T)); <a name="l00083"></a>00083 } <a name="l00084"></a>00084 <a name="l00086"></a><a class="code" href="classirr_1_1core_1_1irr_allocator_fast.html#a3d0f4fadf4e330abe277ba3f639bb07">00086</a> <span class="keywordtype">void</span> <a class="code" href="classirr_1_1core_1_1irr_allocator_fast.html#a3d0f4fadf4e330abe277ba3f639bb07" title="Deallocate memory for an array of objects.">deallocate</a>(T* ptr) <a name="l00087"></a>00087 { <a name="l00088"></a>00088 operator delete(ptr); <a name="l00089"></a>00089 } <a name="l00090"></a>00090 <a name="l00092"></a><a class="code" href="classirr_1_1core_1_1irr_allocator_fast.html#0cadba66801009a1118d7046615c8e04">00092</a> <span class="keywordtype">void</span> <a class="code" href="classirr_1_1core_1_1irr_allocator_fast.html#0cadba66801009a1118d7046615c8e04" title="Construct an element.">construct</a>(T* ptr, <span class="keyword">const</span> T&e) <a name="l00093"></a>00093 { <a name="l00094"></a>00094 <span class="keyword">new</span> ((<span class="keywordtype">void</span>*)ptr) T(e); <a name="l00095"></a>00095 } <a name="l00096"></a>00096 <a name="l00098"></a><a class="code" href="classirr_1_1core_1_1irr_allocator_fast.html#4249f5cde51abf01a25ab53dc173646d">00098</a> <span class="keywordtype">void</span> <a class="code" href="classirr_1_1core_1_1irr_allocator_fast.html#4249f5cde51abf01a25ab53dc173646d" title="Destruct an element.">destruct</a>(T* ptr) <a name="l00099"></a>00099 { <a name="l00100"></a>00100 ptr->~T(); <a name="l00101"></a>00101 } <a name="l00102"></a>00102 }; <a name="l00103"></a>00103 <a name="l00104"></a>00104 <a name="l00105"></a>00105 <a name="l00106"></a>00106 <span class="preprocessor">#ifdef DEBUG_CLIENTBLOCK</span> <a name="l00107"></a>00107 <span class="preprocessor"></span><span class="preprocessor">#undef DEBUG_CLIENTBLOCK</span> <a name="l00108"></a>00108 <span class="preprocessor"></span><span class="preprocessor">#define DEBUG_CLIENTBLOCK new( _CLIENT_BLOCK, __FILE__, __LINE__)</span> <a name="l00109"></a>00109 <span class="preprocessor"></span><span class="preprocessor">#endif</span> <a name="l00110"></a>00110 <span class="preprocessor"></span> <a name="l00112"></a><a class="code" href="namespaceirr_1_1core.html#a2e91971d5e6e84de235bfabe3c7adba">00112</a> <span class="keyword">enum</span> <a class="code" href="namespaceirr_1_1core.html#a2e91971d5e6e84de235bfabe3c7adba" title="defines an allocation strategy">eAllocStrategy</a> <a name="l00113"></a>00113 { <a name="l00114"></a><a class="code" href="namespaceirr_1_1core.html#a2e91971d5e6e84de235bfabe3c7adbabfc6be96075564e1e0d92477e657f746">00114</a> <a class="code" href="namespaceirr_1_1core.html#a2e91971d5e6e84de235bfabe3c7adbabfc6be96075564e1e0d92477e657f746">ALLOC_STRATEGY_SAFE</a> = 0, <a name="l00115"></a><a class="code" href="namespaceirr_1_1core.html#a2e91971d5e6e84de235bfabe3c7adba1fa5aed132891361601560ed3e067fe8">00115</a> <a class="code" href="namespaceirr_1_1core.html#a2e91971d5e6e84de235bfabe3c7adba1fa5aed132891361601560ed3e067fe8">ALLOC_STRATEGY_DOUBLE</a> = 1, <a name="l00116"></a><a class="code" href="namespaceirr_1_1core.html#a2e91971d5e6e84de235bfabe3c7adbad8222ac85dd18e7c1380773bac278dae">00116</a> <a class="code" href="namespaceirr_1_1core.html#a2e91971d5e6e84de235bfabe3c7adbad8222ac85dd18e7c1380773bac278dae">ALLOC_STRATEGY_SQRT</a> = 2, <a name="l00117"></a>00117 }; <a name="l00118"></a>00118 <a name="l00119"></a>00119 <a name="l00120"></a>00120 } <span class="comment">// end namespace core</span> <a name="l00121"></a>00121 } <span class="comment">// end namespace irr</span> <a name="l00122"></a>00122 <a name="l00123"></a>00123 <span class="preprocessor">#endif</span> <a name="l00124"></a>00124 <span class="preprocessor"></span> </pre></div></div> <hr size="1"> <address style="align: right;"> <small> </small> </address> <table width="100%" border="0" cellspacing="0" cellpadding="2"> <tr> <td width="0"> <div align="left"><small><a href="http://irrlicht.sourceforge.net" target="_blank"><img src="irrlicht.png" alt="The Irrlicht Engine" align="middle" border=0 width=88 height=31></a></small></div></td> <td> <div align="left"><small><em><font size="2">The <a href="http://irrlicht.sourceforge.net" target="_blank">Irrlicht Engine</a> Documentation © 2003-2009 by Nikolaus Gebhardt. Generated on Sun Jan 10 09:24:04 2010 by <a href="http://www.doxygen.org" target="_blank">Doxygen</a> (1.5.6)</font></em></small></div></td> </tr> </table> <address style="align: right;"> </address> </body> </html>