Mention palloc/pfree for C++ memory allocation in docs.
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<!-- $PostgreSQL: pgsql/doc/src/sgml/extend.sgml,v 1.40 2010/06/01 02:35:37 momjian Exp $ -->
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<!-- $PostgreSQL: pgsql/doc/src/sgml/extend.sgml,v 1.41 2010/06/01 02:54:37 momjian Exp $ -->
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<chapter id="extend">
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<chapter id="extend">
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<title>Extending <acronym>SQL</acronym></title>
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<title>Extending <acronym>SQL</acronym></title>
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</listitem>
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</listitem>
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<listitem>
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<listitem>
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<para>
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<para>
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Use <function>malloc()</> to allocate any memory that might be
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Use <function>palloc()</> to allocate any memory that might be
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freed by the backend C code (don't pass <function>new()</>-allocated
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freed by the backend C code (don't pass <function>new()</>-allocated
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memory).
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memory).
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</para>
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</para>
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</listitem>
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</listitem>
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<listitem>
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<listitem>
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<para>
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<para>
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Use <function>free()</> to free memory allocated by the backend
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Use <function>pfree()</> to free memory allocated by the backend
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C code (do not use <function>delete()</> for such cases).
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C code (do not use <function>delete()</> for such cases).
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</para>
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</para>
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</listitem>
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</listitem>
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