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2.2 KiB
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<!--$Id: malloc.so,v 10.19 2000/03/18 21:43:09 bostic Exp $-->
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<!--Copyright 1997, 1998, 1999, 2000 by Sleepycat Software, Inc.-->
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<!--All rights reserved.-->
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<html>
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<head>
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<title>Berkeley DB Reference Guide: Non-local memory allocation</title>
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<meta name="description" content="Berkeley DB: An embedded database programmatic toolkit.">
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<meta name="keywords" content="embedded,database,programmatic,toolkit,b+tree,btree,hash,hashing,transaction,transactions,locking,logging,access method,access methods,java,C,C++">
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</head>
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<body bgcolor=white>
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<table><tr valign=top>
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<td><h3><dl><dt>Berkeley DB Reference Guide:<dd>Access Methods</dl></h3></td>
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<td width="1%"><a href="../../ref/am_conf/dup.html"><img src="../../images/prev.gif" alt="Prev"></a><a href="../../ref/toc.html"><img src="../../images/ref.gif" alt="Ref"></a><a href="../../ref/am_conf/bt_compare.html"><img src="../../images/next.gif" alt="Next"></a>
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</td></tr></table>
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<p>
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<h1 align=center>Non-local memory allocation</h1>
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<p>Berkeley DB can allocate memory for returned key/data pairs which then becomes
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the responsibility of the application. See <a href="../../api_c/dbt.html#DB_DBT_MALLOC">DB_DBT_MALLOC</a> or
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<a href="../../api_c/dbt.html#DB_DBT_REALLOC">DB_DBT_REALLOC</a> for further information.
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<p>On systems where there may be multiple library versions of malloc (notably
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Windows NT), the Berkeley DB library could allocate memory from a different heap
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than the application will use to free it. To avoid this problem, the
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allocation routine to be used for allocating such key/data items can be
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specified by calling the <a href="../../api_c/db_set_malloc.html">DB->set_malloc</a> or
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<a href="../../api_c/db_set_realloc.html">DB->set_realloc</a> functions. If no allocation function is specified, the
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underlying C library functions are used.
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<table><tr><td><br></td><td width="1%"><a href="../../ref/am_conf/dup.html"><img src="../../images/prev.gif" alt="Prev"></a><a href="../../ref/toc.html"><img src="../../images/ref.gif" alt="Ref"></a><a href="../../ref/am_conf/bt_compare.html"><img src="../../images/next.gif" alt="Next"></a>
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</td></tr></table>
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<p><font size=1><a href="http://www.sleepycat.com">Copyright Sleepycat Software</a></font>
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