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<h1>mmfile.h</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/***************************************************************************</span>
<a name="l00002"></a>00002 <span class="comment"> copyright : (C) 2002-2008 by Stefano Barbato</span>
<a name="l00003"></a>00003 <span class="comment"> email : stefano@codesink.org</span>
<a name="l00004"></a>00004 <span class="comment"></span>
<a name="l00005"></a>00005 <span class="comment"> $Id: mmfile.h,v 1.12 2008-10-07 11:06:26 tat Exp $</span>
<a name="l00006"></a>00006 <span class="comment"> ***************************************************************************/</span>
<a name="l00007"></a>00007
<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"> * This program is free software; you can redistribute it and/or modify *</span>
<a name="l00011"></a>00011 <span class="comment"> * it under the terms of the GNU General Public License as published by *</span>
<a name="l00012"></a>00012 <span class="comment"> * the Free Software Foundation; either version 2 of the License, or *</span>
<a name="l00013"></a>00013 <span class="comment"> * (at your option) any later version. *</span>
<a name="l00014"></a>00014 <span class="comment"> * *</span>
<a name="l00015"></a>00015 <span class="comment"> ***************************************************************************/</span>
<a name="l00016"></a>00016 <span class="preprocessor">#ifndef _MIMETIC_OS_MMFILE_H</span>
<a name="l00017"></a>00017 <span class="preprocessor"></span><span class="preprocessor">#define _MIMETIC_OS_MMFILE_H</span>
<a name="l00018"></a>00018 <span class="preprocessor"></span><span class="preprocessor">#include <sys/types.h></span>
<a name="l00019"></a>00019 <span class="preprocessor">#include <sys/stat.h></span>
<a name="l00020"></a>00020 <span class="preprocessor">#include <fcntl.h></span>
<a name="l00021"></a>00021 <span class="preprocessor">#include <sys/mman.h></span>
<a name="l00022"></a>00022 <span class="preprocessor">#include <string></span>
<a name="l00023"></a>00023 <span class="preprocessor">#include <cstring></span>
<a name="l00024"></a>00024 <span class="preprocessor">#include <mimetic/os/fileop.h></span>
<a name="l00025"></a>00025
<a name="l00026"></a>00026 <span class="keyword">namespace </span>mimetic
<a name="l00027"></a>00027 {
<a name="l00028"></a>00028 <span class="comment"></span>
<a name="l00029"></a>00029 <span class="comment">/// Memory mapped file</span>
<a name="l00030"></a><a class="code" href="structmimetic_1_1MMFile.html">00030</a> <span class="comment"></span><span class="keyword">struct </span><a class="code" href="structmimetic_1_1MMFile.html" title="Memory mapped file.">MMFile</a>: <span class="keyword">public</span> <a class="code" href="structmimetic_1_1FileOp.html" title="Defines some file utility functions.">FileOp</a>
<a name="l00031"></a>00031 {
<a name="l00032"></a>00032 <span class="keyword">typedef</span> <span class="keywordtype">char</span>* iterator;
<a name="l00033"></a>00033 <span class="keyword">typedef</span> <span class="keyword">const</span> <span class="keywordtype">char</span>* const_iterator;
<a name="l00034"></a>00034 <a class="code" href="structmimetic_1_1MMFile.html" title="Memory mapped file.">MMFile</a>();
<a name="l00035"></a>00035 <a class="code" href="structmimetic_1_1MMFile.html" title="Memory mapped file.">MMFile</a>(<span class="keyword">const</span> std::string&, <span class="keywordtype">int</span> mode = O_RDONLY);
<a name="l00036"></a>00036 ~<a class="code" href="structmimetic_1_1MMFile.html" title="Memory mapped file.">MMFile</a>();
<a name="l00037"></a>00037 operator bool() <span class="keyword">const</span>;
<a name="l00038"></a>00038 <span class="keywordtype">bool</span> open(<span class="keyword">const</span> std::string&, <span class="keywordtype">int</span> mode = O_RDONLY);
<a name="l00039"></a>00039 <span class="keywordtype">void</span> close();
<a name="l00040"></a>00040 uint read(<span class="keywordtype">char</span>*, <span class="keywordtype">int</span>);
<a name="l00041"></a>00041
<a name="l00042"></a>00042 iterator begin();
<a name="l00043"></a>00043 const_iterator begin() <span class="keyword">const</span>;
<a name="l00044"></a>00044 iterator end();
<a name="l00045"></a>00045 const_iterator end() <span class="keyword">const</span>;
<a name="l00046"></a>00046
<a name="l00047"></a>00047 <span class="keyword">protected</span>:
<a name="l00048"></a>00048 <span class="keywordtype">bool</span> map();
<a name="l00049"></a>00049 <span class="keywordtype">bool</span> open(<span class="keywordtype">int</span> flags);
<a name="l00050"></a>00050 <span class="keywordtype">bool</span> stat();
<a name="l00051"></a>00051
<a name="l00052"></a>00052 std::string m_fqn;
<a name="l00053"></a>00053 <span class="keywordtype">bool</span> m_stated;
<a name="l00054"></a>00054 <span class="keyword">struct </span>stat m_st;
<a name="l00055"></a>00055 <span class="keywordtype">int</span> m_fd;
<a name="l00056"></a>00056
<a name="l00057"></a>00057 <span class="keywordtype">char</span> *m_beg, *m_end;
<a name="l00058"></a>00058 };
<a name="l00059"></a>00059
<a name="l00060"></a>00060 }
<a name="l00061"></a>00061
<a name="l00062"></a>00062
<a name="l00063"></a>00063 <span class="preprocessor">#endif</span>
<a name="l00064"></a>00064 <span class="preprocessor"></span>
</pre></div></div>
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