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>Db::set_create_dir()</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="db.html" title="Chapter 2. The Db Handle" /> 11 <link rel="prev" href="dbset_cachesize.html" title="Db::set_cachesize()" /> 12 <link rel="next" href="dbset_dup_compare.html" title="Db::set_dup_compare()" /> 13 </head> 14 <body> 15 <div class="navheader"> 16 <table width="100%" summary="Navigation header"> 17 <tr> 18 <th colspan="3" align="center">Db::set_create_dir()</th> 19 </tr> 20 <tr> 21 <td width="20%" align="left"><a accesskey="p" href="dbset_cachesize.html">Prev</a> </td> 22 <th width="60%" align="center">Chapter 2. 23 The Db Handle 24 </th> 25 <td width="20%" align="right"> <a accesskey="n" href="dbset_dup_compare.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="dbset_create_dir"></a>Db::set_create_dir()</h2> 35 </div> 36 </div> 37 </div> 38 <pre class="programlisting">#include <db_cxx.h> 39 40int 41Db::set_create_dir(const char *dir); </pre> 42 <p> 43 Specify which directory a database should be created in or looked for. 44 </p> 45 <p> 46 The <code class="methodname">Db::set_create_dir()</code> method may not be called after the 47 <a class="xref" href="dbopen.html" title="Db::open()">Db::open()</a> method is called. 48 </p> 49 <p> 50 The <code class="methodname">Db::set_create_dir()</code> <span> 51 52 <span> 53 method either returns a non-zero error value or throws an 54 exception that encapsulates a non-zero error value on 55 failure, and returns 0 on success. 56 </span> 57 </span> 58 </p> 59 <div class="sect2" lang="en" xml:lang="en"> 60 <div class="titlepage"> 61 <div> 62 <div> 63 <h3 class="title"><a id="id1645116"></a>Parameters</h3> 64 </div> 65 </div> 66 </div> 67 <div class="sect3" lang="en" xml:lang="en"> 68 <div class="titlepage"> 69 <div> 70 <div> 71 <h4 class="title"><a id="id1645025"></a>dir</h4> 72 </div> 73 </div> 74 </div> 75 <p> 76 The <span class="bold"><strong>dir</strong></span> will be used to create or locate the 77 database file specified in the <a class="xref" href="dbopen.html" title="Db::open()">Db::open()</a> 78 method call. The directory must be one of the directories in the environment 79 list specified by <a class="xref" href="envadd_data_dir.html" title="DbEnv::add_data_dir()">DbEnv::add_data_dir()</a>. 80 </p> 81 </div> 82 </div> 83 <div class="sect2" lang="en" xml:lang="en"> 84 <div class="titlepage"> 85 <div> 86 <div> 87 <h3 class="title"><a id="id1645262"></a>Errors</h3> 88 </div> 89 </div> 90 </div> 91 <p> 92 The <code class="methodname">Db::set_create_dir()</code> <span> 93 94 <span> 95 method may fail and throw a <a class="link" href="dbexception.html" title="Chapter 6. The DbException Class">DbException</a> 96 exception, encapsulating one of the following non-zero errors, or return one 97 of the following non-zero errors: 98 </span> 99 </span> 100 </p> 101 <div class="sect3" lang="en" xml:lang="en"> 102 <div class="titlepage"> 103 <div> 104 <div> 105 <h4 class="title"><a id="id1644996"></a>EINVAL</h4> 106 </div> 107 </div> 108 </div> 109 <p> 110 An invalid flag value or parameter was specified. 111 </p> 112 </div> 113 </div> 114 <div class="sect2" lang="en" xml:lang="en"> 115 <div class="titlepage"> 116 <div> 117 <div> 118 <h3 class="title"><a id="id1644997"></a>Class</h3> 119 </div> 120 </div> 121 </div> 122 <p> 123 <a class="link" href="db.html" title="Chapter 2. The Db Handle">Db</a> 124 </p> 125 </div> 126 <div class="sect2" lang="en" xml:lang="en"> 127 <div class="titlepage"> 128 <div> 129 <div> 130 <h3 class="title"><a id="id1645165"></a>See Also</h3> 131 </div> 132 </div> 133 </div> 134 <p> 135 <a class="xref" href="db.html#dblist" title="Database and Related Methods">Database and Related Methods</a> 136 </p> 137 </div> 138 </div> 139 <div class="navfooter"> 140 <hr /> 141 <table width="100%" summary="Navigation footer"> 142 <tr> 143 <td width="40%" align="left"><a accesskey="p" href="dbset_cachesize.html">Prev</a> </td> 144 <td width="20%" align="center"> 145 <a accesskey="u" href="db.html">Up</a> 146 </td> 147 <td width="40%" align="right"> <a accesskey="n" href="dbset_dup_compare.html">Next</a></td> 148 </tr> 149 <tr> 150 <td width="40%" align="left" valign="top">Db::set_cachesize() </td> 151 <td width="20%" align="center"> 152 <a accesskey="h" href="index.html">Home</a> 153 </td> 154 <td width="40%" align="right" valign="top"> Db::set_dup_compare()</td> 155 </tr> 156 </table> 157 </div> 158 </body> 159</html> 160