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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html><head>
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<title>liboop: oop_www_register(), oop_www_cancel(), oop_www_memory()</title>
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<link rel="stylesheet" type="text/css" href="style.css">
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</head><body>
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<h2>oop_www_register(), oop_www_cancel(), oop_www_memory()</h2>
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<pre>
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#include &lt;oop.h&gt;
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#include &lt;HTEvent.h&gt;
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#include &lt;oop-www.h&gt;
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void oop_www_register(oop_source *source);
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void oop_www_cancel();
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void oop_www_memory();
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</pre>
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<h3>Arguments.</h3>
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<dl>
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<dt><b>oop_source *source</b>
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<dd>The event source to use.  The adapter will use this event source to wait
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asynchronously for network communication.<p>
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</dl>
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<h3>Description.</h3>
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<dl>
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<dt><b>oop_www_register</b>
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<dd>Register a liboop <em>source</em> with the
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<a href="http://www.w3.org/Library/">W3C Protocol Library</a> (libwww).
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The adapter acts as an event manager for the libwww
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<a href="http://www.w3.org/Library/src/HTEvent.html">HTEvent module</a>,
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replacing the
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<a href="http://www.w3.org/Library/src/HTEvtLst.html">default event
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manager</a>; it relies on the supplied source for actual event handling.
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Refer to the libwww documentation for the details of its event architecture.<p>
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<dt><b>oop_www_cancel</b>
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<dd>Unregister liboop with libwww.  This frees resources associated with the
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adapter, and leaves libwww with no event manager.  You may use
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<b>HTEventInit</b> in the
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<a href="http://www.w3.org/Library/src/HTInit.html">HTInit module</a> to
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reinstate the libwww default event manager.  The adapter can have no active
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events when it is deleted.  (Take care; libwww tends to cache persistent
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connections to Web servers, which may cause events to be registered even if
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there are no open requests.)<p>
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<dt><b>oop_www_memory</b>
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<dd>Set <a href="alloc.html">oop_malloc, oop_realloc, and oop_free</a> to
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<a href="http://www.w3.org/Library/src/HTMemory.html">HTMemory_malloc
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and HTMemory_free</a>, respectively.  You do not need to do this, but it
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may help to keep your memory allocations consistent with the libwww
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framework.  If you do this, do so before calling any other liboop functions.
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</dl>
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<hr><a href="ref.html">liboop reference</a></body></html>