<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html> <html lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <!-- qstring.cpp --> <title>Obsolete Members for QString | Qt Core 5.12.6</title> <link rel="stylesheet" type="text/css" href="style/offline-simple.css" /> <script type="text/javascript"> document.getElementsByTagName("link").item(0).setAttribute("href", "style/offline.css"); // loading style sheet breaks anchors that were jumped to before // so force jumping to anchor again setTimeout(function() { var anchor = location.hash; // need to jump to different anchor first (e.g. none) location.hash = "#"; setTimeout(function() { location.hash = anchor; }, 0); }, 0); </script> </head> <body> <div class="header" id="qtdocheader"> <div class="main"> <div class="main-rounded"> <div class="navigationbar"> <table><tr> <td >Qt 5.12</td><td ><a href="qtcore-index.html">Qt Core</a></td><td ><a href="qtcore-module.html">C++ Classes</a></td><td >QString</td></tr></table><table class="buildversion"><tr> <td id="buildversion" width="100%" align="right"><a href="qtcore-index.html">Qt 5.12.6 Reference Documentation</a></td> </tr></table> </div> </div> <div class="content"> <div class="line"> <div class="content mainContent"> <div class="sidebar"><div class="sidebar-content" id="sidebar-content"></div></div> <h1 class="title">Obsolete Members for QString</h1> <p><b>The following members of class <a href="qstring.html">QString</a> are obsolete.</b> They are provided to keep old source code working. We strongly advise against using them in new code.</p> <h2>Public Functions</h2> <div class="table"><table class="alignedsummary"> <tr><td class="memItemLeft topAlign rightAlign"> <code>(obsolete) </code>QString &</td><td class="memItemRight bottomAlign"><b><a href="qstring-obsolete.html#sprintf">sprintf</a></b>(const char *<i>cformat</i>, <i>...</i>)</td></tr> <tr><td class="memItemLeft topAlign rightAlign"> <code>(obsolete) </code>QByteArray </td><td class="memItemRight bottomAlign"><b><a href="qstring-obsolete.html#toAscii">toAscii</a></b>() const</td></tr> <tr><td class="memItemLeft topAlign rightAlign"> <code>(obsolete) </code>QString &</td><td class="memItemRight bottomAlign"><b><a href="qstring-obsolete.html#vsprintf">vsprintf</a></b>(const char *<i>cformat</i>, va_list <i>ap</i>)</td></tr> </table></div> <h2>Static Public Members</h2> <div class="table"><table class="alignedsummary"> <tr><td class="memItemLeft topAlign rightAlign"> <code>(obsolete) </code>QString </td><td class="memItemRight bottomAlign"><b><a href="qstring-obsolete.html#fromAscii">fromAscii</a></b>(const char *<i>str</i>, int <i>size</i> = -1)</td></tr> <tr><td class="memItemLeft topAlign rightAlign"> <code>(obsolete) </code>QString </td><td class="memItemRight bottomAlign"><b><a href="qstring-obsolete.html#fromAscii-1">fromAscii</a></b>(const QByteArray &<i>str</i>)</td></tr> </table></div> <h2>Member Function Documentation</h2> <!-- $$$fromAscii[overload1]$$$fromAsciiconstchar*int --> <h3 class="fn" id="fromAscii"><a name="fromAscii"></a><code>[static] </code><span class="type"><a href="qstring.html#QString">QString</a></span> QString::<span class="name">fromAscii</span>(const <span class="type">char</span> *<i>str</i>, <span class="type">int</span> <i>size</i> = -1)</h3> <p>This function is obsolete. It is provided to keep old source code working. We strongly advise against using it in new code.</p> <p>Returns a <a href="qstring.html">QString</a> initialized with the first <i>size</i> characters from the string <i>str</i>.</p> <p>If <i>size</i> is -1 (default), it is taken to be strlen(<i>str</i>).</p> <p>This function does the same as <a href="qstring.html#fromLatin1">fromLatin1</a>().</p> <p><b>See also </b><a href="qstring-obsolete.html#toAscii">toAscii</a>(), <a href="qstring.html#fromLatin1">fromLatin1</a>(), <a href="qstring.html#fromUtf8">fromUtf8</a>(), and <a href="qstring.html#fromLocal8Bit">fromLocal8Bit</a>().</p> <!-- @@@fromAscii --> <!-- $$$fromAscii$$$fromAsciiconstQByteArray& --> <h3 class="fn" id="fromAscii-1"><a name="fromAscii-1"></a><code>[static] </code><span class="type"><a href="qstring.html#QString">QString</a></span> QString::<span class="name">fromAscii</span>(const <span class="type"><a href="qbytearray.html">QByteArray</a></span> &<i>str</i>)</h3> <p>This function is obsolete. It is provided to keep old source code working. We strongly advise against using it in new code.</p> <p>This is an overloaded function.</p> <p>Returns a <a href="qstring.html">QString</a> initialized with the string <i>str</i>.</p> <p>This function was introduced in Qt 5.0.</p> <!-- @@@fromAscii --> <!-- $$$sprintf[overload1]$$$sprintfconstchar*... --> <h3 class="fn" id="sprintf"><a name="sprintf"></a><span class="type"><a href="qstring.html#QString">QString</a></span> &QString::<span class="name">sprintf</span>(const <span class="type">char</span> *<i>cformat</i>, <i>...</i>)</h3> <p>This function is obsolete. It is provided to keep old source code working. We strongly advise against using it in new code.</p> <p>Use <a href="qstring.html#asprintf">asprintf</a>(), <a href="qstring.html#arg">arg</a>() or <a href="qtextstream.html">QTextStream</a> instead.</p> <!-- @@@sprintf --> <!-- $$$toAscii[overload1]$$$toAscii --> <h3 class="fn" id="toAscii"><a name="toAscii"></a><span class="type"><a href="qbytearray.html">QByteArray</a></span> QString::<span class="name">toAscii</span>() const</h3> <p>This function is obsolete. It is provided to keep old source code working. We strongly advise against using it in new code.</p> <p>Returns an 8-bit representation of the string as a <a href="qbytearray.html">QByteArray</a>.</p> <p>This function does the same as <a href="qstring.html#toLatin1">toLatin1</a>().</p> <p>Note that, despite the name, this function does not necessarily return an US-ASCII (ANSI X3.4-1986) string and its result may not be US-ASCII compatible.</p> <p><b>See also </b><a href="qstring-obsolete.html#fromAscii">fromAscii</a>(), <a href="qstring.html#toLatin1">toLatin1</a>(), <a href="qstring.html#toUtf8">toUtf8</a>(), <a href="qstring.html#toLocal8Bit">toLocal8Bit</a>(), and <a href="qtextcodec.html">QTextCodec</a>.</p> <!-- @@@toAscii --> <!-- $$$vsprintf[overload1]$$$vsprintfconstchar*va_list --> <h3 class="fn" id="vsprintf"><a name="vsprintf"></a><span class="type"><a href="qstring.html#QString">QString</a></span> &QString::<span class="name">vsprintf</span>(const <span class="type">char</span> *<i>cformat</i>, <span class="type">va_list</span> <i>ap</i>)</h3> <p>This function is obsolete. It is provided to keep old source code working. We strongly advise against using it in new code.</p> <p>Use <a href="qstring.html#vasprintf">vasprintf</a>(), <a href="qstring.html#arg">arg</a>() or <a href="qtextstream.html">QTextStream</a> instead.</p> <!-- @@@vsprintf --> </div> </div> </div> </div> </div> <div class="footer"> <p> <acronym title="Copyright">©</acronym> 2019 The Qt Company Ltd. Documentation contributions included herein are the copyrights of their respective owners.<br/> The documentation provided herein is licensed under the terms of the <a href="http://www.gnu.org/licenses/fdl.html">GNU Free Documentation License version 1.3</a> as published by the Free Software Foundation.<br/> Qt and respective logos are trademarks of The Qt Company Ltd. in Finland and/or other countries worldwide. All other trademarks are property of their respective owners. </p> </div> </body> </html>