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<html>
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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
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<title>Memory</title>
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<meta name="generator" content="DocBook XSL Stylesheets V1.73.2">
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<link rel="start" href="index.html" title="Raptor RDF Syntax Parsing and Serializing Library Manual">
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<link rel="part" href="tutorial.html" title="Part I. Raptor Tutorial">
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<link rel="chapter" href="tutorial-initialising-finishing.html" title="Initialising and Finishing using the Library">
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<link rel="chapter" href="tutorial-querying-functionality.html" title="Listing built-in functionality">
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<link rel="chapter" href="tutorial-parsing.html" title="Parsing syntaxes to RDF Triples">
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<link rel="part" href="reference-manual.html" title="Part II. Raptor Reference Manual">
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<th width="100%" align="center">Raptor RDF Syntax Parsing and Serializing Library Manual</th>
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<tr><td colspan="5" class="shortcuts"><nobr><a href="#raptor-section-memory.synopsis" class="shortcut">Top</a>
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<a href="#raptor-section-memory.description" class="shortcut">Description</a></nobr></td></tr>
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<div class="refentry" lang="en">
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<a name="raptor-section-memory"></a><div class="titlepage"></div>
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<div class="refnamediv"><table width="100%"><tr>
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<td valign="top">
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<h2><span class="refentrytitle"><a name="raptor-section-memory.top_of_page"></a>Memory</span></h2>
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<p>Memory — Memory handling functions</p>
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</td>
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<td valign="top" align="right"></td>
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</tr></table></div>
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<div class="refsynopsisdiv">
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<a name="raptor-section-memory.synopsis"></a><h2>Synopsis</h2>
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<pre class="synopsis">
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void <a class="link" href="raptor-section-memory.html#raptor-free-memory" title="raptor_free_memory ()">raptor_free_memory</a> (void *ptr);
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void* <a class="link" href="raptor-section-memory.html#raptor-alloc-memory" title="raptor_alloc_memory ()">raptor_alloc_memory</a> (size_t size);
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void* <a class="link" href="raptor-section-memory.html#raptor-calloc-memory" title="raptor_calloc_memory ()">raptor_calloc_memory</a> (size_t nmemb,
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size_t size);
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</pre>
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</div>
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<div class="refsect1" lang="en">
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<a name="raptor-section-memory.description"></a><h2>Description</h2>
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<p>
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Wrappers around the free, malloc and calloc functions but
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called from inside the library. Required by some systems
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to handle multiple-HEAPs and pass memory to and from the library.
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</p>
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</div>
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<div class="refsect1" lang="en">
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<a name="raptor-section-memory.details"></a><h2>Details</h2>
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<div class="refsect2" lang="en">
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<a name="raptor-free-memory"></a><h3>raptor_free_memory ()</h3>
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<pre class="programlisting">void raptor_free_memory (void *ptr);</pre>
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<p>
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Free memory allocated inside raptor.
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</p>
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<p>
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Some systems require memory allocated in a library to
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be deallocated in that library. This function allows
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memory allocated by raptor to be freed.
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</p>
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<p>
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Examples include the result of the '_to_' methods that returns
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allocated memory such as raptor_uri_filename_to_uri_string,
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raptor_uri_filename_to_uri_string
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and raptor_uri_uri_string_to_filename_fragment</p>
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<p>
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</p>
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<div class="variablelist"><table border="0">
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<col align="left" valign="top">
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<tbody><tr>
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<td><p><span class="term"><em class="parameter"><code>ptr</code></em> :</span></p></td>
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<td> memory pointer
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</td>
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</tr></tbody>
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</table></div>
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</div>
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<hr>
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<div class="refsect2" lang="en">
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<a name="raptor-alloc-memory"></a><h3>raptor_alloc_memory ()</h3>
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<pre class="programlisting">void* raptor_alloc_memory (size_t size);</pre>
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<p>
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Allocate memory inside raptor.
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</p>
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<p>
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Some systems require memory allocated in a library to
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be deallocated in that library. This function allows
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memory to be allocated inside the raptor shared library
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that can be freed inside raptor either internally or via
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raptor_free_memory.
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</p>
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<p>
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Examples include using this in the <a class="link" href="raptor-section-parser.html#raptor-parser-generate-id" title="raptor_parser_generate_id ()"><code class="function">raptor_parser_generate_id()</code></a> handler
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code to create new strings that will be used internally
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as short identifiers and freed later on by the parsers.</p>
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<p>
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</p>
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<div class="variablelist"><table border="0">
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<col align="left" valign="top">
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<tbody>
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<tr>
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<td><p><span class="term"><em class="parameter"><code>size</code></em> :</span></p></td>
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<td> size of memory to allocate
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</td>
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</tr>
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<tr>
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<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
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<td> the address of the allocated memory or NULL on failure
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</td>
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</tr>
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</tbody>
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</table></div>
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</div>
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<hr>
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<div class="refsect2" lang="en">
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<a name="raptor-calloc-memory"></a><h3>raptor_calloc_memory ()</h3>
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<pre class="programlisting">void* raptor_calloc_memory (size_t nmemb,
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size_t size);</pre>
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<p>
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Allocate zeroed array of items inside raptor.
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</p>
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<p>
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Some systems require memory allocated in a library to
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be deallocated in that library. This function allows
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memory to be allocated inside the raptor shared library
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that can be freed inside raptor either internally or via
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raptor_free_memory.
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</p>
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<p>
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Examples include using this in the <a class="link" href="raptor-section-parser.html#raptor-parser-generate-id" title="raptor_parser_generate_id ()"><code class="function">raptor_parser_generate_id()</code></a> handler
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code to create new strings that will be used internally
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as short identifiers and freed later on by the parsers.</p>
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<p>
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</p>
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<div class="variablelist"><table border="0">
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<col align="left" valign="top">
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<tbody>
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<tr>
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<td><p><span class="term"><em class="parameter"><code>nmemb</code></em> :</span></p></td>
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<td> number of members
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</td>
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</tr>
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<tr>
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<td><p><span class="term"><em class="parameter"><code>size</code></em> :</span></p></td>
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<td> size of item
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</td>
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</tr>
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<tr>
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<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
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<td> the address of the allocated memory or NULL on failure
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</td>
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</tr>
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</tbody>
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</table></div>
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</div>
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</div>
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