<!--$Id: environ.html,v 1.2 2004/03/30 01:22:55 jtownsen Exp $--> <!--Copyright 1997-2003 by Sleepycat Software, Inc.--> <!--All rights reserved.--> <!--See the file LICENSE for redistribution information.--> <html> <head> <title>Berkeley DB Reference Guide: Environment variables</title> <meta name="description" content="Berkeley DB: An embedded database programmatic toolkit."> <meta name="keywords" content="embedded,database,programmatic,toolkit,b+tree,btree,hash,hashing,transaction,transactions,locking,logging,access method,access methods,Java,C,C++"> </head> <body bgcolor=white> <a name="2"><!--meow--></a> <table width="100%"><tr valign=top> <td><h3><dl><dt>Berkeley DB Reference Guide:<dd>Programmer Notes</dl></h3></td> <td align=right><a href="../program/errorret.html"><img src="../../images/prev.gif" alt="Prev"></a><a href="../toc.html"><img src="../../images/ref.gif" alt="Ref"></a><a href="../program/mt.html"><img src="../../images/next.gif" alt="Next"></a> </td></tr></table> <p> <h3 align=center>Environment variables</h3> <p>The Berkeley DB library uses the following environment variables:</p> <p><dl compact> <p><dt>DB_HOME<dd>If the environment variable DB_HOME is set, it is used as part of <a href="../../ref/env/naming.html">File Naming</a>. Note: For the DB_HOME variable to take effect, either the <a href="../../api_c/env_open.html#DB_USE_ENVIRON">DB_USE_ENVIRON</a> or <a href="../../api_c/env_open.html#DB_USE_ENVIRON_ROOT">DB_USE_ENVIRON_ROOT</a> flags must be specified to <a href="../../api_c/env_open.html">DB_ENV->open</a>. <p><dt>TMPDIR, TEMP, TMP, TempFolder<dd>The TMPDIR, TEMP, TMP, and TempFolder environment variables are all checked as locations in which to create temporary files. See <a href="../../api_c/env_set_tmp_dir.html">DB_ENV->set_tmp_dir</a> for more information. </dl> <table width="100%"><tr><td><br></td><td align=right><a href="../program/errorret.html"><img src="../../images/prev.gif" alt="Prev"></a><a href="../toc.html"><img src="../../images/ref.gif" alt="Ref"></a><a href="../program/mt.html"><img src="../../images/next.gif" alt="Next"></a> </td></tr></table> <p><font size=1><a href="../../sleepycat/legal.html">Copyright (c) 1996-2003</a> <a href="http://www.sleepycat.com">Sleepycat Software, Inc.</a> - All rights reserved.</font> </body> </html>