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<?xml version="1.0" encoding="iso-8859-1"?>
<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.3//EN"
"http://www.oasis-open.org/docbook/xml/4.3/docbookx.dtd" [
<!ENTITY version SYSTEM "version.xml">
]>
<refentry id="raptor-section-memory">
<refmeta>
<refentrytitle role="top_of_page" id="raptor-section-memory.top_of_page">Memory</refentrytitle>
<manvolnum>3</manvolnum>
<refmiscinfo>RAPTOR Library</refmiscinfo>
</refmeta>
<refnamediv>
<refname>Memory</refname>
<refpurpose>Memory handling functions</refpurpose>
<!--[<xref linkend="desc" endterm="desc.title"/>]-->
</refnamediv>
<refsynopsisdiv id="raptor-section-memory.synopsis" role="synopsis">
<title role="synopsis.title">Synopsis</title>
<synopsis>
<link linkend="void">void</link> <link linkend="raptor-free-memory">raptor_free_memory</link> (<link linkend="void">void</link> *ptr);
<link linkend="void">void</link>* <link linkend="raptor-alloc-memory">raptor_alloc_memory</link> (<link linkend="size-t">size_t</link> size);
<link linkend="void">void</link>* <link linkend="raptor-calloc-memory">raptor_calloc_memory</link> (<link linkend="size-t">size_t</link> nmemb,
<link linkend="size-t">size_t</link> size);
</synopsis>
</refsynopsisdiv>
<refsect1 id="raptor-section-memory.description" role="desc">
<title role="desc.title">Description</title>
<para>
Wrappers around the free, malloc and calloc functions but
called from inside the library. Required by some systems
to handle multiple-HEAPs and pass memory to and from the library.
</para>
</refsect1>
<refsect1 id="raptor-section-memory.details" role="details">
<title role="details.title">Details</title>
<refsect2 id="raptor-free-memory" role="function">
<title>raptor_free_memory ()</title>
<indexterm zone="raptor-free-memory"><primary>raptor_free_memory</primary></indexterm><programlisting><link linkend="void">void</link> raptor_free_memory (<link linkend="void">void</link> *ptr);</programlisting>
<para>
Free memory allocated inside raptor.
</para>
<para>
Some systems require memory allocated in a library to
be deallocated in that library. This function allows
memory allocated by raptor to be freed.
</para>
<para>
Examples include the result of the '_to_' methods that returns
allocated memory such as raptor_uri_filename_to_uri_string,
raptor_uri_filename_to_uri_string
and raptor_uri_uri_string_to_filename_fragment</para>
<para>
</para><variablelist role="params">
<varlistentry><term><parameter>ptr</parameter>&nbsp;:</term>
<listitem><simpara> memory pointer
</simpara></listitem></varlistentry>
</variablelist></refsect2>
<refsect2 id="raptor-alloc-memory" role="function">
<title>raptor_alloc_memory ()</title>
<indexterm zone="raptor-alloc-memory"><primary>raptor_alloc_memory</primary></indexterm><programlisting><link linkend="void">void</link>* raptor_alloc_memory (<link linkend="size-t">size_t</link> size);</programlisting>
<para>
Allocate memory inside raptor.
</para>
<para>
Some systems require memory allocated in a library to
be deallocated in that library. This function allows
memory to be allocated inside the raptor shared library
that can be freed inside raptor either internally or via
raptor_free_memory.
</para>
<para>
Examples include using this in the <link linkend="raptor-parser-generate-id"><function>raptor_parser_generate_id()</function></link> handler
code to create new strings that will be used internally
as short identifiers and freed later on by the parsers.</para>
<para>
</para><variablelist role="params">
<varlistentry><term><parameter>size</parameter>&nbsp;:</term>
<listitem><simpara> size of memory to allocate
</simpara></listitem></varlistentry>
<varlistentry><term><emphasis>Returns</emphasis>&nbsp;:</term><listitem><simpara> the address of the allocated memory or NULL on failure
</simpara></listitem></varlistentry>
</variablelist></refsect2>
<refsect2 id="raptor-calloc-memory" role="function">
<title>raptor_calloc_memory ()</title>
<indexterm zone="raptor-calloc-memory"><primary>raptor_calloc_memory</primary></indexterm><programlisting><link linkend="void">void</link>* raptor_calloc_memory (<link linkend="size-t">size_t</link> nmemb,
<link linkend="size-t">size_t</link> size);</programlisting>
<para>
Allocate zeroed array of items inside raptor.
</para>
<para>
Some systems require memory allocated in a library to
be deallocated in that library. This function allows
memory to be allocated inside the raptor shared library
that can be freed inside raptor either internally or via
raptor_free_memory.
</para>
<para>
Examples include using this in the <link linkend="raptor-parser-generate-id"><function>raptor_parser_generate_id()</function></link> handler
code to create new strings that will be used internally
as short identifiers and freed later on by the parsers.</para>
<para>
</para><variablelist role="params">
<varlistentry><term><parameter>nmemb</parameter>&nbsp;:</term>
<listitem><simpara> number of members
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>size</parameter>&nbsp;:</term>
<listitem><simpara> size of item
</simpara></listitem></varlistentry>
<varlistentry><term><emphasis>Returns</emphasis>&nbsp;:</term><listitem><simpara> the address of the allocated memory or NULL on failure
</simpara></listitem></varlistentry>
</variablelist></refsect2>
</refsect1>
</refentry>