<?xml version="1.0" encoding="UTF-8" standalone="no"?> <!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"> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> <title>DB_MPOOLFILE->get_clear_len()</title> <link rel="stylesheet" href="apiReference.css" type="text/css" /> <meta name="generator" content="DocBook XSL Stylesheets V1.73.2" /> <link rel="start" href="index.html" title="Berkeley DB C API Reference" /> <link rel="up" href="memp.html" title="Chapter 8. The DB_MPOOLFILE Handle" /> <link rel="prev" href="mempfsync.html" title="DB_MPOOLFILE->sync()" /> <link rel="next" href="mempget_fileid.html" title="DB_MPOOLFILE->get_fileid()" /> </head> <body> <div class="navheader"> <table width="100%" summary="Navigation header"> <tr> <th colspan="3" align="center">DB_MPOOLFILE->get_clear_len()</th> </tr> <tr> <td width="20%" align="left"><a accesskey="p" href="mempfsync.html">Prev</a> </td> <th width="60%" align="center">Chapter 8. The DB_MPOOLFILE Handle </th> <td width="20%" align="right"> <a accesskey="n" href="mempget_fileid.html">Next</a></td> </tr> </table> <hr /> </div> <div class="sect1" lang="en" xml:lang="en"> <div class="titlepage"> <div> <div> <h2 class="title" style="clear: both"><a id="mempget_clear_len"></a>DB_MPOOLFILE->get_clear_len()</h2> </div> </div> </div> <pre class="programlisting">#include <db.h> int DB_MPOOLFILE->get_clear_len(DB_MPOOLFILE *mpf, u_int32_t *lenp); </pre> <p> The <code class="methodname">DB_MPOOLFILE->get_clear_len()</code> method returns the bytes to be cleared. </p> <p> The <code class="methodname">DB_MPOOLFILE->get_clear_len()</code> method may be called at any time during the life of the application. </p> <p> The <code class="methodname">DB_MPOOLFILE->get_clear_len()</code> <span> <span> method returns a non-zero error value on failure and 0 on success. </span> </span> </p> <div class="sect2" lang="en" xml:lang="en"> <div class="titlepage"> <div> <div> <h3 class="title"><a id="id1690612"></a>Parameters</h3> </div> </div> </div> <div class="sect3" lang="en" xml:lang="en"> <div class="titlepage"> <div> <div> <h4 class="title"><a id="id1690752"></a>lenp</h4> </div> </div> </div> <p> The <code class="methodname">DB_MPOOLFILE->get_clear_len()</code> method returns the bytes to be cleared in <span class="bold"><strong>lenp</strong></span>. </p> </div> </div> <div class="sect2" lang="en" xml:lang="en"> <div class="titlepage"> <div> <div> <h3 class="title"><a id="id1690726"></a>Class</h3> </div> </div> </div> <p> <a class="link" href="env.html" title="Chapter 5. The DB_ENV Handle">DB_ENV</a>, <a class="link" href="memp.html" title="Chapter 8. The DB_MPOOLFILE Handle">DB_MPOOLFILE</a> </p> </div> <div class="sect2" lang="en" xml:lang="en"> <div class="titlepage"> <div> <div> <h3 class="title"><a id="id1690747"></a>See Also</h3> </div> </div> </div> <p> <a class="xref" href="memp.html#memplist" title="Memory Pools and Related Methods">Memory Pools and Related Methods</a> </p> </div> </div> <div class="navfooter"> <hr /> <table width="100%" summary="Navigation footer"> <tr> <td width="40%" align="left"><a accesskey="p" href="mempfsync.html">Prev</a> </td> <td width="20%" align="center"> <a accesskey="u" href="memp.html">Up</a> </td> <td width="40%" align="right"> <a accesskey="n" href="mempget_fileid.html">Next</a></td> </tr> <tr> <td width="40%" align="left" valign="top">DB_MPOOLFILE->sync() </td> <td width="20%" align="center"> <a accesskey="h" href="index.html">Home</a> </td> <td width="40%" align="right" valign="top"> DB_MPOOLFILE->get_fileid()</td> </tr> </table> </div> </body> </html>