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+<title>TB9.2 Example Applications: examples/Base/BufsAndStrings/WriteToFiles/WriteToFile.cpp Source File</title>
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+<h1>examples/Base/BufsAndStrings/WriteToFiles/WriteToFile.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// Copyright (c) 2000-2009 Nokia Corporation and/or its subsidiary(-ies).</span>
+<a name="l00002"></a>00002 <span class="comment">// All rights reserved.</span>
+<a name="l00003"></a>00003 <span class="comment">// This component and the accompanying materials are made available</span>
+<a name="l00004"></a>00004 <span class="comment">// under the terms of "Eclipse Public License v1.0"</span>
+<a name="l00005"></a>00005 <span class="comment">// which accompanies this distribution, and is available</span>
+<a name="l00006"></a>00006 <span class="comment">// at the URL "http://www.eclipse.org/legal/epl-v10.html".</span>
+<a name="l00007"></a>00007 <span class="comment">//</span>
+<a name="l00008"></a>00008 <span class="comment">// Initial Contributors:</span>
+<a name="l00009"></a>00009 <span class="comment">// Nokia Corporation - initial contribution.</span>
+<a name="l00010"></a>00010 <span class="comment">//</span>
+<a name="l00011"></a>00011 <span class="comment">// Contributors:</span>
+<a name="l00012"></a>00012 <span class="comment">//</span>
+<a name="l00013"></a>00013 <span class="comment">// Description:</span>
+<a name="l00014"></a>00014 <span class="comment">// This example writes the text "hello world!" to a file</span>
+<a name="l00015"></a>00015 <span class="comment">// Use it as the basis of all examples which depend on just E32 and F32</span>
+<a name="l00016"></a>00016 <span class="comment">//</span>
+<a name="l00017"></a>00017
+<a name="l00018"></a>00018 <span class="preprocessor">#include "CommonFramework.h"</span>
+<a name="l00019"></a>00019 <span class="preprocessor">#include <f32file.h></span>
+<a name="l00020"></a>00020
+<a name="l00021"></a>00021 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KFileName,<span class="stringliteral">"WriteToFile.dat"</span>);
+<a name="l00022"></a>00022 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KGreetingText,<span class="stringliteral">"Hello World!\n"</span>);
+<a name="l00023"></a>00023
+<a name="l00024"></a>00024 <span class="comment">// Do the example</span>
+<a name="l00025"></a>00025 <span class="keyword">static</span> <span class="keywordtype">void</span> doExampleL()
+<a name="l00026"></a>00026 {
+<a name="l00027"></a>00027 <span class="comment">// The file server session.</span>
+<a name="l00028"></a>00028 RFs fsSession;
+<a name="l00029"></a>00029 <span class="comment">// Connect to the file server session.</span>
+<a name="l00030"></a>00030 User::LeaveIfError(fsSession.Connect());
+<a name="l00031"></a>00031
+<a name="l00032"></a>00032 <span class="comment">// create the private directory</span>
+<a name="l00033"></a>00033 <span class="comment">// on the writable drive</span>
+<a name="l00034"></a>00034 <span class="comment">// i.e. "\private\0FFFFF00\"</span>
+<a name="l00035"></a>00035 <span class="comment">// Note that the number 0FFFFF00 is the </span>
+<a name="l00036"></a>00036 <span class="comment">// process security id taken from the 2nd UID</span>
+<a name="l00037"></a>00037 <span class="comment">// specified in the mmp file.</span>
+<a name="l00038"></a>00038
+<a name="l00039"></a>00039 fsSession.CreatePrivatePath(RFs::GetSystemDrive());
+<a name="l00040"></a>00040 <span class="comment">// Set the session path to</span>
+<a name="l00041"></a>00041 <span class="comment">// this private directory on the writable drive</span>
+<a name="l00042"></a>00042 fsSession.SetSessionToPrivate(RFs::GetSystemDrive());
+<a name="l00043"></a>00043
+<a name="l00044"></a>00044 <span class="comment">// Use this object to represent</span>
+<a name="l00045"></a>00045 <span class="comment">// the file to be written to.</span>
+<a name="l00046"></a>00046 RFile file;
+<a name="l00047"></a>00047
+<a name="l00048"></a>00048 User::LeaveIfError(file.Replace(fsSession,KFileName,EFileWrite|EFileStreamText));
+<a name="l00049"></a>00049
+<a name="l00050"></a>00050
+<a name="l00051"></a>00051 <span class="comment">// Note that Write() requires a TDesC8</span>
+<a name="l00052"></a>00052 <span class="comment">// type so we need to construct an explicit</span>
+<a name="l00053"></a>00053 <span class="comment">// TDesC8 type to represent the data contained</span>
+<a name="l00054"></a>00054 <span class="comment">// in the standard (16-bit) descriptor.</span>
+<a name="l00055"></a>00055 TPtrC8 representation((TUint8*)(&KGreetingText)->Ptr(), (&KGreetingText)->Size());
+<a name="l00056"></a>00056
+<a name="l00057"></a>00057 <span class="comment">// Write the text ...</span>
+<a name="l00058"></a>00058 User::LeaveIfError(file.Write(representation));
+<a name="l00059"></a>00059
+<a name="l00060"></a>00060 <span class="comment">// ... and commit the text.</span>
+<a name="l00061"></a>00061 User::LeaveIfError(file.Flush());
+<a name="l00062"></a>00062
+<a name="l00063"></a>00063 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxt1,<span class="stringliteral">"Data written to file\n"</span>);
+<a name="l00064"></a>00064 console->Printf(KTxt1);
+<a name="l00065"></a>00065 <span class="comment">// Close file</span>
+<a name="l00066"></a>00066 file.Close();
+<a name="l00067"></a>00067 <span class="comment">// Delete file (remove comment if you want</span>
+<a name="l00068"></a>00068 <span class="comment">// to do this)</span>
+<a name="l00069"></a>00069 <span class="comment">//User::LeaveIfError(fsSession.Delete(KFileName));</span>
+<a name="l00070"></a>00070
+<a name="l00071"></a>00071 <span class="comment">// close file server session</span>
+<a name="l00072"></a>00072 fsSession.Close();
+<a name="l00073"></a>00073 }
+</pre></div></div>
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