1<?xml version="1.0" encoding="UTF-8" standalone="no"?> 2<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 3<html xmlns="http://www.w3.org/1999/xhtml"> 4 <head> 5 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> 6 <title>log_compare</title> 7 <link rel="stylesheet" href="apiReference.css" type="text/css" /> 8 <meta name="generator" content="DocBook XSL Stylesheets V1.73.2" /> 9 <link rel="start" href="index.html" title="Berkeley DB C API Reference" /> 10 <link rel="up" href="lsn.html" title="Chapter��7.�� The DB_LSN Handle" /> 11 <link rel="prev" href="logcget.html" title="DB_LOGC->get()" /> 12 <link rel="next" href="memp.html" title="Chapter��8.�� The DB_MPOOLFILE Handle" /> 13 </head> 14 <body> 15 <div class="navheader"> 16 <table width="100%" summary="Navigation header"> 17 <tr> 18 <th colspan="3" align="center">log_compare</th> 19 </tr> 20 <tr> 21 <td width="20%" align="left"><a accesskey="p" href="logcget.html">Prev</a>��</td> 22 <th width="60%" align="center">Chapter��7.�� 23 The DB_LSN Handle 24 </th> 25 <td width="20%" align="right">��<a accesskey="n" href="memp.html">Next</a></td> 26 </tr> 27 </table> 28 <hr /> 29 </div> 30 <div class="sect1" lang="en" xml:lang="en"> 31 <div class="titlepage"> 32 <div> 33 <div> 34 <h2 class="title" style="clear: both"><a id="logcompare"></a>log_compare</h2> 35 </div> 36 </div> 37 </div> 38 <pre class="programlisting">#include <db.h> 39 40int 41log_compare(const DB_LSN *lsn0, const DB_LSN *lsn1); </pre> 42 <p> 43 The 44 <code class="methodname">log_compare()</code> 45 46 method allows the caller to compare two <code class="classname">DB_LSN</code> 47 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>. 48 </p> 49 <div class="sect2" lang="en" xml:lang="en"> 50 <div class="titlepage"> 51 <div> 52 <div> 53 <h3 class="title"><a id="id1684888"></a>Parameters</h3> 54 </div> 55 </div> 56 </div> 57 <div class="sect3" lang="en" xml:lang="en"> 58 <div class="titlepage"> 59 <div> 60 <div> 61 <h4 class="title"><a id="id1684595"></a>lsn0</h4> 62 </div> 63 </div> 64 </div> 65 <p> 66 The <span class="bold"><strong>lsn0</strong></span> parameter is one of the 67 <code class="classname">DB_LSN</code> structures to be compared. 68 </p> 69 </div> 70 <div class="sect3" lang="en" xml:lang="en"> 71 <div class="titlepage"> 72 <div> 73 <div> 74 <h4 class="title"><a id="id1684710"></a>lsn1</h4> 75 </div> 76 </div> 77 </div> 78 <p> 79 The <span class="bold"><strong>lsn1</strong></span> parameter is one of the 80 <code class="classname">DB_LSN</code> structures to be compared. 81 82 </p> 83 </div> 84 </div> 85 <div class="sect2" lang="en" xml:lang="en"> 86 <div class="titlepage"> 87 <div> 88 <div> 89 <h3 class="title"><a id="id1684711"></a>Class</h3> 90 </div> 91 </div> 92 </div> 93 <p> 94 <a class="link" href="env.html" title="Chapter��5.�� The DB_ENV Handle">DB_ENV</a>, 95 <a class="link" href="logc.html" title="The DB_LOGC Handle">DB_LOGC</a>, 96 <a class="link" href="lsn.html" title="Chapter��7.�� The DB_LSN Handle">DB_LSN</a> 97 </p> 98 </div> 99 <div class="sect2" lang="en" xml:lang="en"> 100 <div class="titlepage"> 101 <div> 102 <div> 103 <h3 class="title"><a id="id1685069"></a>See Also</h3> 104 </div> 105 </div> 106 </div> 107 <p> 108 <a class="xref" href="lsn.html#loglist" title="Logging Subsystem and Related Methods">Logging Subsystem and Related Methods</a> 109 </p> 110 </div> 111 </div> 112 <div class="navfooter"> 113 <hr /> 114 <table width="100%" summary="Navigation footer"> 115 <tr> 116 <td width="40%" align="left"><a accesskey="p" href="logcget.html">Prev</a>��</td> 117 <td width="20%" align="center"> 118 <a accesskey="u" href="lsn.html">Up</a> 119 </td> 120 <td width="40%" align="right">��<a accesskey="n" href="memp.html">Next</a></td> 121 </tr> 122 <tr> 123 <td width="40%" align="left" valign="top">DB_LOGC->get()��</td> 124 <td width="20%" align="center"> 125 <a accesskey="h" href="index.html">Home</a> 126 </td> 127 <td width="40%" align="right" valign="top">��Chapter��8.�� 128 The DB_MPOOLFILE Handle 129 </td> 130 </tr> 131 </table> 132 </div> 133 </body> 134</html> 135