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5.3 KiB
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135 lines
5.3 KiB
HTML
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
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<title>DB_ENV->set_errpfx()</title>
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<meta name="generator" content="DocBook XSL Stylesheets V1.73.2" />
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<link rel="start" href="index.html" title="Berkeley DB C API Reference" />
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<link rel="up" href="env.html" title="Chapter 5. The DB_ENV Handle" />
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<link rel="prev" href="envset_errfile.html" title="DB_ENV->set_errfile()" />
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<body>
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<div xmlns="" class="navheader">
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<div class="libver">
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<p>Library Version 11.2.5.3</p>
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</div>
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<table width="100%" summary="Navigation header">
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<tr>
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<th colspan="3" align="center">DB_ENV->set_errpfx()</th>
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</tr>
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<tr>
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<td width="20%" align="left"><a accesskey="p" href="envset_errfile.html">Prev</a> </td>
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<th width="60%" align="center">Chapter 5.
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The DB_ENV Handle
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</th>
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<td width="20%" align="right"> <a accesskey="n" href="envset_feedback.html">Next</a></td>
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</tr>
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</table>
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<hr />
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</div>
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<div class="sect1" lang="en" xml:lang="en">
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<div class="titlepage">
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<div>
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<div>
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<h2 class="title" style="clear: both"><a id="envset_errpfx"></a>DB_ENV->set_errpfx()</h2>
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</div>
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</div>
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</div>
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<pre class="programlisting">#include <db.h>
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void
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DB_ENV->set_errpfx(DB_ENV *dbenv, const char *errpfx); </pre>
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<p>
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Set the prefix string that appears before error messages issued by
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Berkeley DB.
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</p>
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<p>
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The <a class="xref" href="dbset_errpfx.html" title="DB->set_errpfx()">DB->set_errpfx()</a>
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and <code class="methodname">DB_ENV->set_errpfx()</code> methods do not copy the memory to which the
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<span class="bold"><strong>errpfx</strong></span> parameter refers; rather, they
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maintain a reference to it. Although this allows applications to
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modify the error message prefix at any time (without repeatedly
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calling the interfaces), it means the memory must be maintained until
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the handle is closed.
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</p>
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<p>
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The <code class="methodname">DB_ENV->set_errpfx()</code> method configures operations performed using
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the specified <a class="link" href="env.html" title="Chapter 5. The DB_ENV Handle">DB_ENV</a>
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handle, not all operations performed on the underlying database
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environment.
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</p>
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<p>
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The <code class="methodname">DB_ENV->set_errpfx()</code> method may be called at any time during the
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life of the application.
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</p>
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<div class="sect2" lang="en" xml:lang="en">
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<div class="titlepage">
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<div>
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<div>
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<h3 class="title"><a id="idp59984088"></a>Parameters</h3>
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</div>
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</div>
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</div>
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<div class="sect3" lang="en" xml:lang="en">
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<div class="titlepage">
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<div>
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<div>
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<h4 class="title"><a id="idp59984280"></a>errpfx</h4>
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</div>
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</div>
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</div>
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<p>
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The <span class="bold"><strong>errpfx</strong></span> parameter is the
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application-specified error prefix for additional error messages.
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</p>
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</div>
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</div>
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<div class="sect2" lang="en" xml:lang="en">
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<div class="titlepage">
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<div>
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<div>
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<h3 class="title"><a id="idp59975120"></a>Class</h3>
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</div>
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</div>
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</div>
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<p>
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<a class="link" href="env.html" title="Chapter 5. The DB_ENV Handle">DB_ENV</a>
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</p>
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</div>
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<div class="sect2" lang="en" xml:lang="en">
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<div class="titlepage">
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<div>
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<div>
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<h3 class="title"><a id="idp59982464"></a>See Also</h3>
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</div>
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</div>
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</div>
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<p>
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<a class="xref" href="env.html#envlist" title="Database Environments and Related Methods">Database Environments and Related Methods</a>
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</p>
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</div>
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</div>
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<hr />
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<table width="100%" summary="Navigation footer">
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<tr>
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<td width="40%" align="left"><a accesskey="p" href="envset_errfile.html">Prev</a> </td>
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<td width="20%" align="center">
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<a accesskey="u" href="env.html">Up</a>
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</td>
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<td width="40%" align="right"> <a accesskey="n" href="envset_feedback.html">Next</a></td>
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</tr>
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<tr>
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<td width="40%" align="left" valign="top">DB_ENV->set_errfile() </td>
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<td width="20%" align="center">
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<a accesskey="h" href="index.html">Home</a>
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</td>
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<td width="40%" align="right" valign="top"> DB_ENV->set_feedback()</td>
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</table>
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</div>
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</body>
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</html>
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