<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" lang="en_US" xml:lang="en_US"> <head> <title>kio/kio: kshred.cpp Source File (kio/kio)</title> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <meta http-equiv="Content-Style-Type" content="text/css" /> <meta http-equiv="pics-label" content='(pics-1.1 "http://www.icra.org/ratingsv02.html" comment "ICRAonline DE v2.0" l gen true for "http://www.kde.org" r (nz 1 vz 1 lz 1 oz 1 cb 1) "http://www.rsac.org/ratingsv01.html" l gen true for "http://www.kde.org" r (n 0 s 0 v 0 l 0))' /> <meta name="trademark" content="KDE e.V." /> <meta name="description" content="K Desktop Environment Homepage, KDE.org" /> <meta name="MSSmartTagsPreventParsing" content="true" /> <meta name="robots" content="all" /> <link rel="shortcut icon" href="../../../favicon.ico" /> <link rel="stylesheet" media="screen" type="text/css" title="APIDOX" href="doxygen.css" /> </head> <body> <div id="nav_header_top" align="right"> <a href="#content" class="doNotDisplay" accesskey="2">Skip to main content ::</a> <a href="../../.."><img id="nav_header_logo" alt="Home" align="left" src="../../../kde_gear_64.png" border="0" /></a> <span class="doNotDisplay">::</span> <div id="nav_header_title" align="left">KDE API Reference</div> </div> <div id="nav_header_bottom" align="right"> <span class="doNotDisplay">:: <a href="#navigation" accesskey="5">Skip to Link Menu</a><br/></span> <div id="nav_header_bottom_right" style="text-align: left;"> / <a href="../../..">API Reference</a> / <a href="../../html/index.html">kio</a> / <a href=".">kio</a> </div> </div> <table id="main" border="0" cellpadding="0" cellspacing="0" width="100%"> <tr> <td valign="top" class="menuheader" height="0"></td> <td id="contentcolumn" valign="top" rowspan="2" > <div id="content" style="padding-top: 0px;"><div style="width:100%; margin: 0px; padding: 0px;"> <a name="content"></a> <!-- Generated by Doxygen 1.4.7 --> <h1>kshred.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*--------------------------------------------------------------------------*</span> <a name="l00002"></a>00002 <span class="comment"> KShred.h Copyright (c) 2000 MieTerra LLC.</span> <a name="l00003"></a>00003 <span class="comment"> Credits: Andreas F. Pour <bugs@mieterra.com></span> <a name="l00004"></a>00004 <span class="comment"></span> <a name="l00005"></a>00005 <span class="comment">Permission is hereby granted, free of charge, to any person obtaining a copy</span> <a name="l00006"></a>00006 <span class="comment">of this software and associated documentation files (the "Software"), to deal</span> <a name="l00007"></a>00007 <span class="comment">in the Software without restriction, including without limitation the rights</span> <a name="l00008"></a>00008 <span class="comment">to use, copy, modify, merge, publish, distribute, sublicense, and/or sell</span> <a name="l00009"></a>00009 <span class="comment">copies of the Software, and to permit persons to whom the Software is</span> <a name="l00010"></a>00010 <span class="comment">furnished to do so, subject to the following conditions:</span> <a name="l00011"></a>00011 <span class="comment"></span> <a name="l00012"></a>00012 <span class="comment">The above copyright notice and this permission notice shall be included in</span> <a name="l00013"></a>00013 <span class="comment">all copies or substantial portions of the Software.</span> <a name="l00014"></a>00014 <span class="comment"></span> <a name="l00015"></a>00015 <span class="comment">THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR</span> <a name="l00016"></a>00016 <span class="comment">IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,</span> <a name="l00017"></a>00017 <span class="comment">FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE</span> <a name="l00018"></a>00018 <span class="comment">AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN</span> <a name="l00019"></a>00019 <span class="comment">AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN</span> <a name="l00020"></a>00020 <span class="comment">CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.</span> <a name="l00021"></a>00021 <span class="comment">*/</span> <a name="l00022"></a>00022 <a name="l00023"></a>00023 <span class="preprocessor">#include "kshred.h"</span> <a name="l00024"></a>00024 <span class="preprocessor">#include <time.h></span> <a name="l00025"></a>00025 <span class="preprocessor">#include <klocale.h></span> <a name="l00026"></a>00026 <span class="preprocessor">#include <kdebug.h></span> <a name="l00027"></a>00027 <span class="preprocessor">#include <stdlib.h></span> <a name="l00028"></a>00028 <span class="preprocessor">#include <kapplication.h></span> <a name="l00029"></a>00029 <a name="l00030"></a>00030 <span class="comment">// antlarr: KDE 4: Make it const QString &</span> <a name="l00031"></a><a class="code" href="classKShred.html#7ec460a92ef8b49128cb6ae8a7f0021b">00031</a> <a class="code" href="classKShred.html#7ec460a92ef8b49128cb6ae8a7f0021b">KShred::KShred</a>(<a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a> fileName) <a name="l00032"></a>00032 { <a name="l00033"></a>00033 <span class="keywordflow">if</span> (fileName.<a class="codeRef" doxygen="qt.tag:" href="qstring.html#isEmpty">isEmpty</a>()) <a name="l00034"></a>00034 { <a name="l00035"></a>00035 kdError() << <span class="stringliteral">"KShred: missing file name in constructor"</span> << endl; <a name="l00036"></a>00036 file = 0L; <a name="l00037"></a>00037 } <a name="l00038"></a>00038 <span class="keywordflow">else</span> <a name="l00039"></a>00039 { <a name="l00040"></a>00040 file = <span class="keyword">new</span> <a class="codeRef" doxygen="qt.tag:" href="qfile.html">QFile</a>(); <a name="l00041"></a>00041 file-><a class="codeRef" doxygen="qt.tag:" href="qfile.html#setName">setName</a>(fileName); <a name="l00042"></a>00042 <span class="keywordflow">if</span> (!file-><a class="codeRef" doxygen="qt.tag:" href="qfile.html#open">open</a>(IO_ReadWrite)) <a name="l00043"></a>00043 { <a name="l00044"></a>00044 kdError() << <span class="stringliteral">"KShred: cannot open file '"</span> << fileName.<a class="codeRef" doxygen="qt.tag:" href="qstring.html#local8Bit">local8Bit</a>().data() << <span class="stringliteral">"' for writing\n"</span> << endl; <a name="l00045"></a>00045 file = 0L; <a name="l00046"></a>00046 fileSize = 0; <a name="l00047"></a>00047 } <a name="l00048"></a>00048 <span class="keywordflow">else</span> <a name="l00049"></a>00049 fileSize = file-><a class="codeRef" doxygen="qt.tag:" href="qfile.html#size">size</a>(); <a name="l00050"></a>00050 <a name="l00051"></a>00051 totalBytes = 0; <a name="l00052"></a>00052 bytesWritten = 0; <a name="l00053"></a>00053 lastSignalled = 0; <a name="l00054"></a>00054 tbpc = 0; <a name="l00055"></a>00055 fspc = 0; <a name="l00056"></a>00056 } <a name="l00057"></a>00057 } <a name="l00058"></a>00058 <a name="l00059"></a>00059 <a name="l00060"></a><a class="code" href="classKShred.html#d28a9c26e1827b85ba09a215f89d0fb1">00060</a> <a class="code" href="classKShred.html#d28a9c26e1827b85ba09a215f89d0fb1">KShred::~KShred</a>() <a name="l00061"></a>00061 { <a name="l00062"></a>00062 <span class="keywordflow">if</span> (file != 0L) <a name="l00063"></a>00063 <span class="keyword">delete</span> file; <a name="l00064"></a>00064 } <a name="l00065"></a>00065 <a name="l00066"></a>00066 <a name="l00067"></a>00067 <span class="keywordtype">bool</span> <a name="l00068"></a><a class="code" href="classKShred.html#1d03df2d0d4cc6ddaf2a1d26a3820dad">00068</a> <a class="code" href="classKShred.html#1d03df2d0d4cc6ddaf2a1d26a3820dad">KShred::fill1s</a>() <a name="l00069"></a>00069 { <a name="l00070"></a>00070 <span class="keywordflow">return</span> <a class="code" href="classKShred.html#b97c9fc2c3a3776e0869075b07d0e9b8">fillbyte</a>(0xFF); <a name="l00071"></a>00071 } <a name="l00072"></a>00072 <a name="l00073"></a>00073 <a name="l00074"></a>00074 <span class="keywordtype">bool</span> <a name="l00075"></a><a class="code" href="classKShred.html#86a1922a98fab88f5c7d2dd64b97c022">00075</a> <a class="code" href="classKShred.html#86a1922a98fab88f5c7d2dd64b97c022">KShred::fill0s</a>() <a name="l00076"></a>00076 { <a name="l00077"></a>00077 <span class="keywordflow">return</span> <a class="code" href="classKShred.html#b97c9fc2c3a3776e0869075b07d0e9b8">fillbyte</a>(0x0); <a name="l00078"></a>00078 } <a name="l00079"></a>00079 <a name="l00080"></a>00080 <a name="l00081"></a>00081 <span class="keywordtype">bool</span> <a name="l00082"></a><a class="code" href="classKShred.html#b97c9fc2c3a3776e0869075b07d0e9b8">00082</a> <a class="code" href="classKShred.html#b97c9fc2c3a3776e0869075b07d0e9b8">KShred::fillbyte</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> byte) <a name="l00083"></a>00083 { <a name="l00084"></a>00084 <span class="keywordflow">if</span> (file == 0L) <a name="l00085"></a>00085 <span class="keywordflow">return</span> <span class="keyword">false</span>; <a name="l00086"></a>00086 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> buff[4096]; <a name="l00087"></a>00087 memset((<span class="keywordtype">void</span> *) buff, byte, 4096); <a name="l00088"></a>00088 <a name="l00089"></a>00089 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> n; <a name="l00090"></a>00090 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> todo = fileSize; todo > 0; todo -= n) <a name="l00091"></a>00091 { <a name="l00092"></a>00092 n = (todo > 4096 ? 4096 : todo); <a name="l00093"></a>00093 <span class="keywordflow">if</span> (!writeData(buff, n)) <a name="l00094"></a>00094 <span class="keywordflow">return</span> <span class="keyword">false</span>; <a name="l00095"></a>00095 } <a name="l00096"></a>00096 <span class="keywordflow">if</span> (!flush()) <a name="l00097"></a>00097 <span class="keywordflow">return</span> <span class="keyword">false</span>; <a name="l00098"></a>00098 <span class="keywordflow">return</span> file->at(0); <a name="l00099"></a>00099 } <a name="l00100"></a>00100 <a name="l00101"></a>00101 <a name="l00102"></a>00102 <span class="keywordtype">bool</span> <a name="l00103"></a><a class="code" href="classKShred.html#24ef33a629553708c439b2ba73732a39">00103</a> <a class="code" href="classKShred.html#24ef33a629553708c439b2ba73732a39">KShred::fillpattern</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *data, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> size) <a name="l00104"></a>00104 { <a name="l00105"></a>00105 <span class="keywordflow">if</span> (file == 0L) <a name="l00106"></a>00106 <span class="keywordflow">return</span> <span class="keyword">false</span>; <a name="l00107"></a>00107 <a name="l00108"></a>00108 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> n; <a name="l00109"></a>00109 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> todo = fileSize; todo > 0; todo -= n) <a name="l00110"></a>00110 { <a name="l00111"></a>00111 n = (todo > size ? size : todo); <a name="l00112"></a>00112 <span class="keywordflow">if</span> (!writeData(data, n)) <a name="l00113"></a>00113 <span class="keywordflow">return</span> <span class="keyword">false</span>; <a name="l00114"></a>00114 } <a name="l00115"></a>00115 <span class="keywordflow">if</span> (!flush()) <a name="l00116"></a>00116 <span class="keywordflow">return</span> <span class="keyword">false</span>; <a name="l00117"></a>00117 <span class="keywordflow">return</span> file->at(0); <a name="l00118"></a>00118 } <a name="l00119"></a>00119 <a name="l00120"></a>00120 <a name="l00121"></a>00121 <span class="keywordtype">bool</span> <a name="l00122"></a><a class="code" href="classKShred.html#609f8382934fd2e2f9ba6c6046b6ef40">00122</a> <a class="code" href="classKShred.html#609f8382934fd2e2f9ba6c6046b6ef40">KShred::fillrandom</a>() <a name="l00123"></a>00123 { <a name="l00124"></a>00124 <span class="keywordflow">if</span> (file == 0L) <a name="l00125"></a>00125 <span class="keywordflow">return</span> <span class="keyword">false</span>; <a name="l00126"></a>00126 <a name="l00127"></a>00127 <span class="keywordtype">long</span> <span class="keywordtype">int</span> buff[4096 / <span class="keyword">sizeof</span>(<span class="keywordtype">long</span> int)]; <a name="l00128"></a>00128 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> n; <a name="l00129"></a>00129 <a name="l00130"></a>00130 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> todo = fileSize; todo > 0; todo -= n) <a name="l00131"></a>00131 { <a name="l00132"></a>00132 n = (todo > 4096 ? 4096 : todo); <a name="l00133"></a>00133 <span class="comment">// assumes that 4096 is a multipe of sizeof(long int)</span> <a name="l00134"></a>00134 <span class="keywordtype">int</span> limit = (n + <span class="keyword">sizeof</span>(<span class="keywordtype">long</span> int) - 1) / <span class="keyword">sizeof</span>(<span class="keywordtype">long</span> int); <a name="l00135"></a>00135 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < limit; i++) <a name="l00136"></a>00136 buff[i] = kapp->random(); <a name="l00137"></a>00137 <a name="l00138"></a>00138 <span class="keywordflow">if</span> (!writeData((<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *) buff, n)) <a name="l00139"></a>00139 <span class="keywordflow">return</span> <span class="keyword">false</span>; <a name="l00140"></a>00140 } <a name="l00141"></a>00141 <span class="keywordflow">if</span> (!flush()) <a name="l00142"></a>00142 <span class="keywordflow">return</span> <span class="keyword">false</span>; <a name="l00143"></a>00143 <span class="keywordflow">return</span> file->at(0); <a name="l00144"></a>00144 } <a name="l00145"></a>00145 <a name="l00146"></a>00146 <a name="l00147"></a>00147 <span class="comment">// antlarr: KDE 4: Make it const QString &</span> <a name="l00148"></a>00148 <span class="keywordtype">bool</span> <a name="l00149"></a><a class="code" href="classKShred.html#20a6a77b90274485cae3463103a0d257">00149</a> <a class="code" href="classKShred.html#52f57c7319601a471c46b5d2b7d948f0">KShred::shred</a>(<a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a> fileName) <a name="l00150"></a>00150 { <a name="l00151"></a>00151 <span class="keywordflow">if</span> (fileName.<a class="codeRef" doxygen="qt.tag:" href="qstring.html#isEmpty">isEmpty</a>()) <a name="l00152"></a>00152 <span class="keywordflow">return</span> <span class="keyword">false</span>; <a name="l00153"></a>00153 <a name="l00154"></a>00154 <a class="code" href="classKShred.html">KShred</a> shredder(fileName); <a name="l00155"></a>00155 <span class="keywordflow">return</span> shredder.<a class="code" href="classKShred.html#52f57c7319601a471c46b5d2b7d948f0">shred</a>(); <a name="l00156"></a>00156 } <a name="l00157"></a>00157 <a name="l00158"></a>00158 <a name="l00159"></a>00159 <span class="keywordtype">bool</span> <a name="l00160"></a>00160 KShred::writeData(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *data, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> size) <a name="l00161"></a>00161 { <a name="l00162"></a>00162 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> ret = 0; <a name="l00163"></a>00163 <a name="l00164"></a>00164 <span class="comment">// write 'data' of size 'size' to the file</span> <a name="l00165"></a>00165 <span class="keywordflow">while</span> ((ret < size) && (file-><a class="codeRef" doxygen="qt.tag:" href="qfile.html#putch">putch</a>((<span class="keywordtype">int</span>) data[ret]) >= 0)) <a name="l00166"></a>00166 ret++; <a name="l00167"></a>00167 <a name="l00168"></a>00168 <span class="keywordflow">if</span> ((totalBytes > 0) && (ret > 0)) <a name="l00169"></a>00169 { <a name="l00170"></a>00170 <span class="keywordflow">if</span> (tbpc == 0) <a name="l00171"></a>00171 { <a name="l00172"></a>00172 tbpc = ((<span class="keywordtype">unsigned</span> int) (totalBytes / 100)) == 0 ? 1 : totalBytes / 100; <a name="l00173"></a>00173 fspc = ((<span class="keywordtype">unsigned</span> int) (fileSize / 100)) == 0 ? 1 : fileSize / 100; <a name="l00174"></a>00174 } <a name="l00175"></a>00175 bytesWritten += ret; <a name="l00176"></a>00176 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> pc = (<span class="keywordtype">unsigned</span> int) (bytesWritten / tbpc); <a name="l00177"></a>00177 <span class="keywordflow">if</span> (pc > lastSignalled) <a name="l00178"></a>00178 { <a name="l00179"></a>00179 emit <a class="code" href="classKShred.html#c9eae8154c8d0d0d35748f7cb952a476">processedSize</a>(fspc * pc); <a name="l00180"></a>00180 lastSignalled = pc; <a name="l00181"></a>00181 } <a name="l00182"></a>00182 } <a name="l00183"></a>00183 <span class="keywordflow">return</span> ret == size; <a name="l00184"></a>00184 } <a name="l00185"></a>00185 <a name="l00186"></a>00186 <a name="l00187"></a>00187 <span class="keywordtype">bool</span> <a name="l00188"></a>00188 KShred::flush() <a name="l00189"></a>00189 { <a name="l00190"></a>00190 <span class="keywordflow">if</span> (file == 0L) <a name="l00191"></a>00191 <span class="keywordflow">return</span> <span class="keyword">false</span>; <a name="l00192"></a>00192 <a name="l00193"></a>00193 file-><a class="codeRef" doxygen="qt.tag:" href="qfile.html#flush">flush</a>(); <a name="l00194"></a>00194 <span class="keywordflow">return</span> (fsync(file-><a class="codeRef" doxygen="qt.tag:" href="qfile.html#handle">handle</a>()) == 0); <a name="l00195"></a>00195 } <a name="l00196"></a>00196 <a name="l00197"></a>00197 <a name="l00198"></a>00198 <span class="comment">// shred the file, then close and remove it</span> <a name="l00199"></a>00199 <span class="comment">//</span> <a name="l00200"></a>00200 <span class="comment">// UPDATED: this function now uses 35 passes based on the the article</span> <a name="l00201"></a>00201 <span class="comment">// Peter Gutmann, "Secure Deletion of Data from Magnetic and Solid-State</span> <a name="l00202"></a>00202 <span class="comment">// Memory", first published in the Sixth USENIX Security Symposium</span> <a name="l00203"></a>00203 <span class="comment">// Proceedings, San Jose, CA, July 22-25, 1996 (available online at</span> <a name="l00204"></a>00204 <span class="comment">// http://rootprompt.org/article.php3?article=473)</span> <a name="l00205"></a>00205 <a name="l00206"></a>00206 <span class="keywordtype">bool</span> <a name="l00207"></a><a class="code" href="classKShred.html#52f57c7319601a471c46b5d2b7d948f0">00207</a> <a class="code" href="classKShred.html#52f57c7319601a471c46b5d2b7d948f0">KShred::shred</a>() <a name="l00208"></a>00208 { <a name="l00209"></a>00209 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> p[6][3] = {{'\222', '\111', <span class="charliteral">'\044'</span>}, {'\111', <span class="charliteral">'\044'</span>, '\222'}, <a name="l00210"></a>00210 {<span class="charliteral">'\044'</span>, '\222', '\111'}, {'\155', '\266', '\333'}, <a name="l00211"></a>00211 {'\266', '\333', '\155'}, {'\333', '\155', '\266'}}; <a name="l00212"></a>00212 <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a> msg = i18n(<span class="stringliteral">"Shredding: pass %1 of 35"</span>); <a name="l00213"></a>00213 <a name="l00214"></a>00214 emit <a class="code" href="classKShred.html#c9eae8154c8d0d0d35748f7cb952a476">processedSize</a>(0); <a name="l00215"></a>00215 <a name="l00216"></a>00216 <span class="comment">// thirty-five times writing the entire file size</span> <a name="l00217"></a>00217 totalBytes = fileSize * 35; <a name="l00218"></a>00218 <span class="keywordtype">int</span> iteration = 1; <a name="l00219"></a>00219 <a name="l00220"></a>00220 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> ctr = 0; ctr < 4; ctr++) <a name="l00221"></a>00221 <span class="keywordflow">if</span> (!<a class="code" href="classKShred.html#609f8382934fd2e2f9ba6c6046b6ef40">fillrandom</a>()) <a name="l00222"></a>00222 <span class="keywordflow">return</span> <span class="keyword">false</span>; <a name="l00223"></a>00223 <span class="keywordflow">else</span> <a name="l00224"></a>00224 { <a name="l00225"></a>00225 emit <a class="code" href="classKShred.html#3a71c592d4c2f3b06abe42785af691ae">infoMessage</a>(msg.<a class="codeRef" doxygen="qt.tag:" href="qstring.html#arg">arg</a>(iteration)); <a name="l00226"></a>00226 } <a name="l00227"></a>00227 <a name="l00228"></a>00228 <span class="keywordflow">if</span> (!<a class="code" href="classKShred.html#b97c9fc2c3a3776e0869075b07d0e9b8">fillbyte</a>((<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>) 0x55)) <span class="comment">// '0x55' is 01010101</span> <a name="l00229"></a>00229 <span class="keywordflow">return</span> <span class="keyword">false</span>; <a name="l00230"></a>00230 emit <a class="code" href="classKShred.html#3a71c592d4c2f3b06abe42785af691ae">infoMessage</a>(msg.<a class="codeRef" doxygen="qt.tag:" href="qstring.html#arg">arg</a>(iteration)); <a name="l00231"></a>00231 <a name="l00232"></a>00232 <span class="keywordflow">if</span> (!<a class="code" href="classKShred.html#b97c9fc2c3a3776e0869075b07d0e9b8">fillbyte</a>((<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>) 0xAA)) <span class="comment">// '0xAA' is 10101010</span> <a name="l00233"></a>00233 <span class="keywordflow">return</span> <span class="keyword">false</span>; <a name="l00234"></a>00234 emit <a class="code" href="classKShred.html#3a71c592d4c2f3b06abe42785af691ae">infoMessage</a>(msg.<a class="codeRef" doxygen="qt.tag:" href="qstring.html#arg">arg</a>(iteration)); <a name="l00235"></a>00235 <a name="l00236"></a>00236 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> ctr = 0; ctr < 3; ctr++) <a name="l00237"></a>00237 <span class="keywordflow">if</span> (!<a class="code" href="classKShred.html#24ef33a629553708c439b2ba73732a39">fillpattern</a>(p[ctr], 3)) <span class="comment">// '0x92', '0x49', '0x24'</span> <a name="l00238"></a>00238 <span class="keywordflow">return</span> <span class="keyword">false</span>; <a name="l00239"></a>00239 <span class="keywordflow">else</span> <a name="l00240"></a>00240 { <a name="l00241"></a>00241 emit <a class="code" href="classKShred.html#3a71c592d4c2f3b06abe42785af691ae">infoMessage</a>(msg.<a class="codeRef" doxygen="qt.tag:" href="qstring.html#arg">arg</a>(iteration)); <a name="l00242"></a>00242 } <a name="l00243"></a>00243 <a name="l00244"></a>00244 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> ctr = 0; ctr <= 255 ; ctr += 17) <a name="l00245"></a>00245 <span class="keywordflow">if</span> (!<a class="code" href="classKShred.html#b97c9fc2c3a3776e0869075b07d0e9b8">fillbyte</a>(ctr)) <span class="comment">// sequence of '0x00', '0x11', ..., '0xFF'</span> <a name="l00246"></a>00246 <span class="keywordflow">return</span> <span class="keyword">false</span>; <a name="l00247"></a>00247 <span class="keywordflow">else</span> <a name="l00248"></a>00248 { <a name="l00249"></a>00249 emit <a class="code" href="classKShred.html#3a71c592d4c2f3b06abe42785af691ae">infoMessage</a>(msg.<a class="codeRef" doxygen="qt.tag:" href="qstring.html#arg">arg</a>(iteration)); <a name="l00250"></a>00250 } <a name="l00251"></a>00251 <a name="l00252"></a>00252 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> ctr = 0; ctr < 6; ctr++) <a name="l00253"></a>00253 <span class="keywordflow">if</span> (!<a class="code" href="classKShred.html#24ef33a629553708c439b2ba73732a39">fillpattern</a>(p[ctr], 3)) <span class="comment">// '0x92', '0x49', '0x24'</span> <a name="l00254"></a>00254 <span class="keywordflow">return</span> <span class="keyword">false</span>; <a name="l00255"></a>00255 <span class="keywordflow">else</span> <a name="l00256"></a>00256 { <a name="l00257"></a>00257 emit <a class="code" href="classKShred.html#3a71c592d4c2f3b06abe42785af691ae">infoMessage</a>(msg.<a class="codeRef" doxygen="qt.tag:" href="qstring.html#arg">arg</a>(iteration)); <a name="l00258"></a>00258 } <a name="l00259"></a>00259 <a name="l00260"></a>00260 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> ctr = 0; ctr < 4; ctr++) <a name="l00261"></a>00261 <span class="keywordflow">if</span> (!<a class="code" href="classKShred.html#609f8382934fd2e2f9ba6c6046b6ef40">fillrandom</a>()) <a name="l00262"></a>00262 <span class="keywordflow">return</span> <span class="keyword">false</span>; <a name="l00263"></a>00263 <span class="keywordflow">else</span> <a name="l00264"></a>00264 { <a name="l00265"></a>00265 emit <a class="code" href="classKShred.html#3a71c592d4c2f3b06abe42785af691ae">infoMessage</a>(msg.<a class="codeRef" doxygen="qt.tag:" href="qstring.html#arg">arg</a>(iteration)); <a name="l00266"></a>00266 } <a name="l00267"></a>00267 <a name="l00268"></a>00268 <span class="keywordflow">if</span> (!file-><a class="codeRef" doxygen="qt.tag:" href="qfile.html#remove">remove</a>()) <a name="l00269"></a>00269 <span class="keywordflow">return</span> <span class="keyword">false</span>; <a name="l00270"></a>00270 file = 0L; <a name="l00271"></a>00271 emit <a class="code" href="classKShred.html#c9eae8154c8d0d0d35748f7cb952a476">processedSize</a>(fileSize); <a name="l00272"></a>00272 <span class="keywordflow">return</span> <span class="keyword">true</span>; <a name="l00273"></a>00273 } <a name="l00274"></a>00274 <a name="l00275"></a>00275 <span class="preprocessor">#include "kshred.moc"</span> <a name="l00276"></a>00276 </pre></div> </div></div> </td> </tr> <tr> <td valign="top" id="leftmenu" width="25%"> <a name="navigation"></a> <div class="menu_box"><h2>kio/kio</h2> <div class="nav_list"> <ul><li><a href="index.html">Main Page</a></li><li><a href="modules.html">Modules</a></li><li><a href="namespaces.html">Namespace List</a></li><li><a href="hierarchy.html">Class Hierarchy</a></li><li><a href="classes.html">Alphabetical List</a></li><li><a href="annotated.html">Class List</a></li><li><a href="files.html">File List</a></li><li><a href="namespacemembers.html">Namespace Members</a></li><li><a href="functions.html">Class Members</a></li><li><a href="pages.html">Related Pages</a></li></ul> <!-- <h2>Class Picker</h2> <div style="text-align: center;"> <form name="guideform"> <select name="guidelinks" style="width:100%;" onChange="window.location=document.guideform.guidelinks.options[document.guideform.guidelinks.selectedIndex].value"> <option value="annotated.html">-- Choose --</option> <option value="classKACL.html">kacl</option>, <option value="classKAr.html">kar</option>, <option value="classKArchive.html">karchive</option>, <option value="classKArchiveDirectory.html">karchivedirectory</option>, <option value="classKArchiveEntry.html">karchiveentry</option>, <option value="classKArchiveFile.html">karchivefile</option>, <option value="classKAutoMount.html">kautomount</option>, <option value="classKAutoUnmount.html">kautounmount</option>, <option value="classKDataTool.html">kdatatool</option>, <option value="classKDataToolAction.html">kdatatoolaction</option>, <option value="classKDataToolInfo.html">kdatatoolinfo</option>, <option value="classKDCOPServiceStarter.html">kdcopservicestarter</option>, <option value="classKDEDesktopMimeType.html">kdedesktopmimetype</option>, <option value="classKDirLister.html">kdirlister</option>, <option value="classKDirNotify.html">kdirnotify</option>, <option value="classKDirNotify__stub.html">kdirnotify__stub</option>, <option value="classKDirWatch.html">kdirwatch</option>, <option value="classKEMailSettings.html">kemailsettings</option>, <option value="classKExecMimeType.html">kexecmimetype</option>, <option value="classKFileFilter.html">kfilefilter</option>, <option value="classKFileItem.html">kfileitem</option>, <option value="classKFileMetaInfo.html">kfilemetainfo</option>, <option value="classKFileMetaInfoGroup.html">kfilemetainfogroup</option>, <option value="classKFileMetaInfoItem.html">kfilemetainfoitem</option>, <option value="classKFileMetaInfoProvider.html">kfilemetainfoprovider</option>, <option value="classKFileMimeTypeInfo.html">kfilemimetypeinfo</option>, <option value="classKFileMimeTypeInfo_1_1GroupInfo.html">kfilemimetypeinfo::groupinfo</option>, <option value="classKFileMimeTypeInfo_1_1ItemInfo.html">kfilemimetypeinfo::iteminfo</option>, <option value="classKFilePlugin.html">kfileplugin</option>, <option value="classKFileShare.html">kfileshare</option>, <option value="classKFileSharePrivate.html">kfileshareprivate</option>, <option value="classKFilterBase.html">kfilterbase</option>, <option value="classKFilterDev.html">kfilterdev</option>, <option value="classKFolderType.html">kfoldertype</option>, <option value="classKImageIO.html">kimageio</option>, <option value="classKImageIOFactory.html">kimageiofactory</option>, <option value="classKImageIOFormat.html">kimageioformat</option>, <option value="classKImageIOFormatList.html">kimageioformatlist</option>, <option value="classKIO_1_1AuthInfo.html">kio::authinfo</option>, <option value="classKIO_1_1ChmodJob.html">kio::chmodjob</option>, <option value="classKIO_1_1Connection.html">kio::connection</option>, <option value="classKIO_1_1CopyJob.html">kio::copyjob</option>, <option value="classKIO_1_1DataProtocol.html">kio::dataprotocol</option>, <option value="classKIO_1_1DataSlave.html">kio::dataslave</option>, <option value="classKIO_1_1DavJob.html">kio::davjob</option>, <option value="classKIO_1_1DefaultProgress.html">kio::defaultprogress</option>, <option value="classKIO_1_1DeleteJob.html">kio::deletejob</option>, <option value="classKIO_1_1DirectCopyJob.html">kio::directcopyjob</option>, <option value="classKIO_1_1FileCopyJob.html">kio::filecopyjob</option>, <option value="classKIO_1_1ForwardingSlaveBase.html">kio::forwardingslavebase</option>, <option value="classKIO_1_1Job.html">kio::job</option>, <option value="classKIO_1_1ListJob.html">kio::listjob</option>, <option value="classKIO_1_1MetaData.html">kio::metadata</option>, <option value="classKIO_1_1MetaInfoJob.html">kio::metainfojob</option>, <option value="classKIO_1_1MimetypeJob.html">kio::mimetypejob</option>, <option value="classKIO_1_1MkdirJob.html">kio::mkdirjob</option>, <option value="classKIO_1_1MultiGetJob.html">kio::multigetjob</option>, <option value="classKIO_1_1NetAccess.html">kio::netaccess</option>, <option value="classKIO_1_1NetRC.html">kio::netrc</option>, <option value="classKIO_1_1ParseContext.html">kio::parsecontext</option>, <option value="classKIO_1_1ParseTreeAND.html">kio::parsetreeand</option>, <option value="classKIO_1_1ParseTreeBase.html">kio::parsetreebase</option>, <option value="classKIO_1_1ParseTreeBOOL.html">kio::parsetreebool</option>, <option value="classKIO_1_1ParseTreeBRACKETS.html">kio::parsetreebrackets</option>, <option value="classKIO_1_1ParseTreeCALC.html">kio::parsetreecalc</option>, <option value="classKIO_1_1ParseTreeCMP.html">kio::parsetreecmp</option>, <option value="classKIO_1_1ParseTreeDOUBLE.html">kio::parsetreedouble</option>, <option value="classKIO_1_1ParseTreeEXIST.html">kio::parsetreeexist</option>, <option value="classKIO_1_1ParseTreeID.html">kio::parsetreeid</option>, <option value="classKIO_1_1ParseTreeIN.html">kio::parsetreein</option>, <option value="classKIO_1_1ParseTreeMATCH.html">kio::parsetreematch</option>, <option value="classKIO_1_1ParseTreeMAX2.html">kio::parsetreemax2</option>, <option value="classKIO_1_1ParseTreeMIN2.html">kio::parsetreemin2</option>, <option value="classKIO_1_1ParseTreeNOT.html">kio::parsetreenot</option>, <option value="classKIO_1_1ParseTreeNUM.html">kio::parsetreenum</option>, <option value="classKIO_1_1ParseTreeOR.html">kio::parsetreeor</option>, <option value="classKIO_1_1ParseTreeSTRING.html">kio::parsetreestring</option>, <option value="classKIO_1_1PasswordDialog.html">kio::passworddialog</option>, <option value="classKIO_1_1PasteDialog.html">kio::pastedialog</option>, <option value="classKIO_1_1PreviewJob.html">kio::previewjob</option>, <option value="classKIO_1_1ProgressBase.html">kio::progressbase</option>, <option value="classKIO_1_1RenameDlg.html">kio::renamedlg</option>, <option value="classKIO_1_1Scheduler.html">kio::scheduler</option>, <option value="classKIO_1_1SessionData.html">kio::sessiondata</option>, <option value="classKIO_1_1SimpleJob.html">kio::simplejob</option>, <option value="classKIO_1_1SkipDlg.html">kio::skipdlg</option>, <option value="classKIO_1_1Slave.html">kio::slave</option>, <option value="classKIO_1_1SlaveBase.html">kio::slavebase</option>, <option value="classKIO_1_1SlaveConfig.html">kio::slaveconfig</option>, <option value="classKIO_1_1SlaveInterface.html">kio::slaveinterface</option>, <option value="classKIO_1_1StatJob.html">kio::statjob</option>, <option value="classKIO_1_1StatusbarProgress.html">kio::statusbarprogress</option>, <option value="classKIO_1_1StoredTransferJob.html">kio::storedtransferjob</option>, <option value="classKIO_1_1TCPSlaveBase.html">kio::tcpslavebase</option>, <option value="classKIO_1_1TransferJob.html">kio::transferjob</option>, <option value="classKIO_1_1UDSAtom.html">kio::udsatom</option>, <option value="classKLimitedIODevice.html">klimitediodevice</option>, <option value="classKMessageBoxWrapper.html">kmessageboxwrapper</option>, <option value="classKMimeMagic.html">kmimemagic</option>, <option value="classKMimeMagicResult.html">kmimemagicresult</option>, <option value="classKMimeType.html">kmimetype</option>, <option value="classKMimeTypeChooser.html">kmimetypechooser</option>, <option value="classKMimeTypeChooserDialog.html">kmimetypechooserdialog</option>, <option value="classKMimeTypeResolver.html">kmimetyperesolver</option>, <option value="classKMimeTypeResolverBase.html">kmimetyperesolverbase</option>, <option value="classKMimeTypeResolverHelper.html">kmimetyperesolverhelper</option>, <option value="classKNFSShare.html">knfsshare</option>, <option value="classKOCRDialog.html">kocrdialog</option>, <option value="classKOCRDialogFactory.html">kocrdialogfactory</option>, <option value="classKOpenWithHandler.html">kopenwithhandler</option>, <option value="classKProcessRunner.html">kprocessrunner</option>, <option value="classKProtocolInfo.html">kprotocolinfo</option>, <option value="classKProtocolManager.html">kprotocolmanager</option>, <option value="classKRemoteEncoding.html">kremoteencoding</option>, <option value="classKRun.html">krun</option>, <option value="classKSambaShare.html">ksambashare</option>, <option value="classKScanDialog.html">kscandialog</option>, <option value="classKScanDialogFactory.html">kscandialogfactory</option>, <option value="classKService.html">kservice</option>, <option value="classKServiceFactory.html">kservicefactory</option>, <option value="classKServiceGroup.html">kservicegroup</option>, <option value="classKServiceGroupFactory.html">kservicegroupfactory</option>, <option value="classKServiceOffer.html">kserviceoffer</option>, <option value="classKServiceSeparator.html">kserviceseparator</option>, <option value="classKServiceType.html">kservicetype</option>, <option value="classKServiceTypeFactory.html">kservicetypefactory</option>, <option value="classKServiceTypeProfile.html">kservicetypeprofile</option>, <option value="classKShellCompletion.html">kshellcompletion</option>, <option value="classKShred.html">kshred</option>, <option value="classKSimpleFileFilter.html">ksimplefilefilter</option>, <option value="classKTar.html">ktar</option>, <option value="classKTrader.html">ktrader</option>, <option value="classKURIFilter.html">kurifilter</option>, <option value="classKURIFilterData.html">kurifilterdata</option>, <option value="classKURIFilterPlugin.html">kurifilterplugin</option>, <option value="classKURIFilterPluginList.html">kurifilterpluginlist</option>, <option value="classKURLCompletion.html">kurlcompletion</option>, <option value="classKURLPixmapProvider.html">kurlpixmapprovider</option>, <option value="classKZip.html">kzip</option>, <option value="classKZipFileEntry.html">kzipfileentry</option>, <option value="classObserver.html">observer</option>, <option value="classObserver__stub.html">observer__stub</option>, <option value="classRenameDlgPlugin.html">renamedlgplugin</option>, <option value="classThumbCreator.html">thumbcreator</option>, <option value="classUIServer__stub.html">uiserver__stub</option>, </select> </form> </div> --> </div></div> <div class="menu_box"><h2>API Dox</h2> <div class="nav_list"> <ul> <li><a href="../../../arts/html/index.html">arts</a></li><li><a href="../../../dcop/html/index.html">dcop</a></li><li><a href="../../../dnssd/html/index.html">dnssd</a></li><li><a href="../../../interfaces/html/index.html">interfaces</a></li><li> <a href="../../../interfaces/kimproxy/interface/html/index.html">interface</a></li><li> <a href="../../../interfaces/kimproxy/library/html/index.html">library</a></li><li> <a href="../../../interfaces/kspeech/html/index.html">kspeech</a></li><li> <a href="../../../interfaces/ktexteditor/html/index.html">ktexteditor</a></li><li><a href="../../../kabc/html/index.html">kabc</a></li><li><a href="../../../kate/html/index.html">kate</a></li><li><a href="../../../kcmshell/html/index.html">kcmshell</a></li><li><a href="../../../kdecore/html/index.html">kdecore</a></li><li><a href="../../../kded/html/index.html">kded</a></li><li><a href="../../../kdefx/html/index.html">kdefx</a></li><li><a href="../../../kdeprint/html/index.html">kdeprint</a></li><li><a href="../../../kdesu/html/index.html">kdesu</a></li><li><a href="../../../kdeui/html/index.html">kdeui</a></li><li><a href="../../../kdoctools/html/index.html">kdoctools</a></li><li><a href="../../../khtml/html/index.html">khtml</a></li><li><a href="../../../kimgio/html/index.html">kimgio</a></li><li><a href="../../../kinit/html/index.html">kinit</a></li><li><a href="../../../kio/html/index.html">kio</a></li><li> <a href="../../../kio/bookmarks/html/index.html">bookmarks</a></li><li> <a href="../../../kio/httpfilter/html/index.html">httpfilter</a></li><li> <a href="../../../kio/kfile/html/index.html">kfile</a></li><li> <a href="../../../kio/kio/html/index.html">kio</a></li><li> <a href="../../../kio/kioexec/html/index.html">kioexec</a></li><li> <a href="../../../kio/kpasswdserver/html/index.html">kpasswdserver</a></li><li> <a href="../../../kio/kssl/html/index.html">kssl</a></li><li><a href="../../../kioslave/html/index.html">kioslave</a></li><li> <a href="../../../kioslave/http/html/index.html">http</a></li><li><a href="../../../kjs/html/index.html">kjs</a></li><li><a href="../../../kmdi/html/index.html">kmdi</a></li><li> <a href="../../../kmdi/kmdi/html/index.html">kmdi</a></li><li><a href="../../../knewstuff/html/index.html">knewstuff</a></li><li><a href="../../../kparts/html/index.html">kparts</a></li><li><a href="../../../kresources/html/index.html">kresources</a></li><li><a href="../../../kspell2/html/index.html">kspell2</a></li><li><a href="../../../kunittest/html/index.html">kunittest</a></li><li><a href="../../../kutils/html/index.html">kutils</a></li><li><a href="../../../kwallet/html/index.html">kwallet</a></li><li><a href="../../../libkmid/html/index.html">libkmid</a></li><li><a href="../../../libkscreensaver/html/index.html">libkscreensaver</a></li> </ul></div></div> </td> </tr> </table> <span class="doNotDisplay"> <a href="http://www.kde.org/" accesskey="8">KDE Home</a> | <a href="http://accessibility.kde.org/" accesskey="9">KDE Accessibility Home</a> | <a href="http://www.kde.org/media/accesskeys.php" accesskey="0">Description of Access Keys</a> </span> <div style="height: 8px"></div> <div id="footer"> <div id="footer_left"> Maintained by <a href="mailto:groot@kde.org">Adriaan de Groot</a> and <a href="mailto:wintert@kde.org">Allen Winter</a>. <br/> KDE and K Desktop Environment are trademarks of <a href="http://www.kde.org/areas/kde-ev/" title="Homepage of the KDE non-profit Organization">KDE e.V.</a> | <a href="http://www.kde.org/contact/impressum.php">Legal</a> </div> <div id="footer_right"><img src="/media/images/footer_right.png" style="margin: 0px" alt="" /></div> </div> <!-- WARNING: DO NOT SEND MAIL TO THE FOLLOWING EMAIL ADDRESS! YOU WILL BE BLOCKED INSTANTLY AND PERMANENTLY! <a href="mailto:aaaatrap-425acc3b5374943f@kde.org">Block me</a> WARNING END --> </body> </html>