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138 lines
5.2 KiB
HTML
138 lines
5.2 KiB
HTML
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<?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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<html xmlns="http://www.w3.org/1999/xhtml">
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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>log_compare</title>
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<link rel="stylesheet" href="apiReference.css" type="text/css" />
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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="lsn.html" title="Chapter 7. The DB_LSN Handle" />
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<link rel="prev" href="logcget.html" title="DB_LOGC->get()" />
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<link rel="next" href="memp.html" title="Chapter 8. The DB_MPOOLFILE Handle" />
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</head>
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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 11.2.5.2</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">log_compare</th>
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</tr>
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<tr>
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<td width="20%" align="left"><a accesskey="p" href="logcget.html">Prev</a> </td>
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<th width="60%" align="center">Chapter 7.
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The DB_LSN Handle
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</th>
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<td width="20%" align="right"> <a accesskey="n" href="memp.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="logcompare"></a>log_compare</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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int
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log_compare(const DB_LSN *lsn0, const DB_LSN *lsn1); </pre>
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<p>
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The
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<code class="methodname">log_compare()</code>
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method allows the caller to compare two <code class="classname">DB_LSN</code>
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structures, returning 0 if they are equal, 1 if <span class="bold"><strong>lsn0</strong></span> is greater than <span class="bold"><strong>lsn1</strong></span>, and -1 if <span class="bold"><strong>lsn0</strong></span> is less than <span class="bold"><strong>lsn1</strong></span>.
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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="id3911596"></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="id3911874"></a>lsn0</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>lsn0</strong></span> parameter is one of the
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<code class="classname">DB_LSN</code> structures to be compared.
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</p>
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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="id3911664"></a>lsn1</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>lsn1</strong></span> parameter is one of the
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<code class="classname">DB_LSN</code> structures to be compared.
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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="id3912003"></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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<a class="link" href="logc.html" title="The DB_LOGC Handle">DB_LOGC</a>,
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<a class="link" href="lsn.html" title="Chapter 7. The DB_LSN Handle">DB_LSN</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="id3911976"></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="lsn.html#loglist" title="Logging Subsystem and Related Methods">Logging Subsystem and Related Methods</a>
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</p>
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</div>
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</div>
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<div class="navfooter">
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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="logcget.html">Prev</a> </td>
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<td width="20%" align="center">
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<a accesskey="u" href="lsn.html">Up</a>
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</td>
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<td width="40%" align="right"> <a accesskey="n" href="memp.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_LOGC->get() </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"> Chapter 8.
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The DB_MPOOLFILE Handle
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</td>
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</tr>
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</table>
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</div>
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</body>
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</html>
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