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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>ERR_GET_LIB</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="#return_values">RETURN VALUES</a></li> <li><a href="#see_also">SEE ALSO</a></li> <li><a href="#history">HISTORY</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>ERR_GET_LIB, ERR_GET_FUNC, ERR_GET_REASON, ERR_FATAL_ERROR - get information from error codes</p> <p> </p> <hr /> <h1><a name="synopsis">SYNOPSIS</a></h1> <pre> #include <openssl/err.h></pre> <pre> int ERR_GET_LIB(unsigned long e);</pre> <pre> int ERR_GET_FUNC(unsigned long e);</pre> <pre> int ERR_GET_REASON(unsigned long e);</pre> <pre> int ERR_FATAL_ERROR(unsigned long e);</pre> <p> </p> <hr /> <h1><a name="description">DESCRIPTION</a></h1> <p>The error code returned by <code>ERR_get_error()</code> consists of a library number, function code and reason code. <code>ERR_GET_LIB()</code>, <code>ERR_GET_FUNC()</code> and <code>ERR_GET_REASON()</code> can be used to extract these.</p> <p><code>ERR_FATAL_ERROR()</code> indicates whether a given error code is a fatal error.</p> <p>The library number and function code describe where the error occurred, the reason code is the information about what went wrong.</p> <p>Each sub-library of OpenSSL has a unique library number; function and reason codes are unique within each sub-library. Note that different libraries may use the same value to signal different functions and reasons.</p> <p><strong>ERR_R_...</strong> reason codes such as <strong>ERR_R_MALLOC_FAILURE</strong> are globally unique. However, when checking for sub-library specific reason codes, be sure to also compare the library number.</p> <p><code>ERR_GET_LIB()</code>, <code>ERR_GET_FUNC()</code>, <code>ERR_GET_REASON()</code>, and <code>ERR_FATAL_ERROR()</code> are macros.</p> <p> </p> <hr /> <h1><a name="return_values">RETURN VALUES</a></h1> <p>The library number, function code, reason code, and whether the error is fatal, respectively.</p> <p> </p> <hr /> <h1><a name="see_also">SEE ALSO</a></h1> <p><em>ERR_get_error(3)</em></p> <p> </p> <hr /> <h1><a name="history">HISTORY</a></h1> <p><code>ERR_GET_LIB()</code>, <code>ERR_GET_FUNC()</code> and <code>ERR_GET_REASON()</code> are available in all versions of OpenSSL.</p> <p> </p> <hr /> <h1><a name="copyright">COPYRIGHT</a></h1> <p>Copyright 2000-2017 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>