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<?xml version="1.0" ?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>SSL_free</title> <meta http-equiv="content-type" content="text/html; charset=utf-8" /> <link rev="made" href="mailto:root@hsxx.drive.ne.jp" /> </head> <body style="background-color: white"> <!-- INDEX BEGIN --> <div name="index"> <p><a name="__index__"></a></p> <ul> <li><a href="#name">NAME</a></li> <li><a href="#synopsis">SYNOPSIS</a></li> <li><a href="#description">DESCRIPTION</a></li> <li><a href="#notes">NOTES</a></li> <li><a href="#return_values">RETURN VALUES</a></li> <li><a href="#copyright">COPYRIGHT</a></li> </ul> <hr name="index" /> </div> <!-- INDEX END --> <p> </p> <hr /> <h1><a name="name">NAME</a></h1> <p>SSL_free - free an allocated SSL structure</p> <p> </p> <hr /> <h1><a name="synopsis">SYNOPSIS</a></h1> <pre> #include <openssl/ssl.h></pre> <pre> void SSL_free(SSL *ssl);</pre> <p> </p> <hr /> <h1><a name="description">DESCRIPTION</a></h1> <p><code>SSL_free()</code> decrements the reference count of <strong>ssl</strong>, and removes the SSL structure pointed to by <strong>ssl</strong> and frees up the allocated memory if the reference count has reached 0. If <strong>ssl</strong> is NULL nothing is done.</p> <p> </p> <hr /> <h1><a name="notes">NOTES</a></h1> <p><code>SSL_free()</code> also calls the free()ing procedures for indirectly affected items, if applicable: the buffering BIO, the read and write BIOs, cipher lists specially created for this <strong>ssl</strong>, the <strong>SSL_SESSION</strong>. Do not explicitly free these indirectly freed up items before or after calling <code>SSL_free()</code>, as trying to free things twice may lead to program failure.</p> <p>The ssl session has reference counts from two users: the SSL object, for which the reference count is removed by <code>SSL_free()</code> and the internal session cache. If the session is considered bad, because <em>SSL_shutdown(3)</em> was not called for the connection and <em>SSL_set_shutdown(3)</em> was not used to set the SSL_SENT_SHUTDOWN state, the session will also be removed from the session cache as required by <a href="http://www.ietf.org/rfc/rfc2246.txt" class="rfc">RFC2246</a>.</p> <p> </p> <hr /> <h1><a name="return_values">RETURN VALUES</a></h1> <p><code>SSL_free()</code> does not provide diagnostic information.</p> <p><em>SSL_new(3)</em>, <em>SSL_clear(3)</em>, <em>SSL_shutdown(3)</em>, <em>SSL_set_shutdown(3)</em>, <em>ssl(7)</em></p> <p> </p> <hr /> <h1><a name="copyright">COPYRIGHT</a></h1> <p>Copyright 2000-2016 The OpenSSL Project Authors. All Rights Reserved.</p> <p>Licensed under the OpenSSL license (the "License"). You may not use this file except in compliance with the License. You can obtain a copy in the file LICENSE in the source distribution or at <a href="https://www.openssl.org/source/license.html">https://www.openssl.org/source/license.html</a>.</p> </body> </html>