112 lines
3.9 KiB
HTML
Executable File
112 lines
3.9 KiB
HTML
Executable File
<?xml version="1.0" ?>
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<title>ERR_new</title>
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<meta http-equiv="content-type" content="text/html; charset=utf-8" />
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<link rev="made" href="mailto:root@localhost" />
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</head>
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<body style="background-color: white">
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<!-- INDEX BEGIN -->
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<div name="index">
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<p><a name="__index__"></a></p>
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<ul>
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<li><a href="#name">NAME</a></li>
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<li><a href="#synopsis">SYNOPSIS</a></li>
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<li><a href="#description">DESCRIPTION</a></li>
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<li><a href="#return_values">RETURN VALUES</a></li>
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<li><a href="#notes">NOTES</a></li>
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<li><a href="#see_also">SEE ALSO</a></li>
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<li><a href="#copyright">COPYRIGHT</a></li>
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</ul>
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<hr name="index" />
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</div>
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<!-- INDEX END -->
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<p>
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</p>
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<hr />
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<h1><a name="name">NAME</a></h1>
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<p>ERR_new, ERR_set_debug, ERR_set_error, ERR_vset_error
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- Error recording building blocks</p>
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<p>
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</p>
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<hr />
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<h1><a name="synopsis">SYNOPSIS</a></h1>
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<pre>
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#include <openssl/err.h></pre>
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<pre>
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void ERR_new(void);
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void ERR_set_debug(const char *file, int line, const char *func);
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void ERR_set_error(int lib, int reason, const char *fmt, ...);
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void ERR_vset_error(int lib, int reason, const char *fmt, va_list args);</pre>
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<p>
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</p>
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<hr />
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<h1><a name="description">DESCRIPTION</a></h1>
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<p>The functions described here are generally not used directly, but
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rather through macros such as <em>ERR_raise(3)</em>.
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They can still be useful for anyone that wants to make their own
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macros.</p>
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<p><code>ERR_new()</code> allocates a new slot in the thread's error queue.</p>
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<p><code>ERR_set_debug()</code> sets the debug information related to the current
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error in the thread's error queue.
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The values that can be given are the filename <em>file</em>, line in the
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file <em>line</em> and the name of the function <em>func</em> where the error
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occurred.
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The names must be constant, this function will only save away the
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pointers, not copy the strings.</p>
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<p><code>ERR_set_error()</code> sets the error information, which are the library
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number <em>lib</em> and the reason code <em>reason</em>, and additional data as a
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format string <em>fmt</em> and an arbitrary number of arguments.
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The additional data is processed with <em>BIO_snprintf(3)</em> to form the
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additional data string, which is allocated and store in the error
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record.</p>
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<p><code>ERR_vset_error()</code> works like <code>ERR_set_error()</code>, but takes a <strong>va_list</strong>
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argument instead of a variable number of arguments.</p>
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<p>
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</p>
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<hr />
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<h1><a name="return_values">RETURN VALUES</a></h1>
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<p>ERR_new, ERR_set_debug, ERR_set_error and ERR_vset_error
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do not return any values.</p>
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<p>
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</p>
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<hr />
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<h1><a name="notes">NOTES</a></h1>
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<p>The library number is unique to each unit that records errors.
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OpenSSL has a number of pre-allocated ones for its own uses, but
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others may allocate their own library number dynamically with
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<em>ERR_get_next_error_library(3)</em>.</p>
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<p>Reason codes are unique within each library, and may have an
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associated set of strings as a short description of the reason.
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For dynamically allocated library numbers, reason strings are recorded
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with <em>ERR_load_strings(3)</em>.</p>
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<p>Provider authors are supplied with core versions of these functions,
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see <em>provider-base(7)</em>.</p>
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<p>
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</p>
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<hr />
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<h1><a name="see_also">SEE ALSO</a></h1>
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<p><em>ERR_raise(3)</em>, <em>ERR_get_next_error_library(3)</em>,
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<em>ERR_load_strings(3)</em>, <em>BIO_snprintf(3)</em>, <em>provider-base(7)</em></p>
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<p>
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</p>
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<hr />
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<h1><a name="copyright">COPYRIGHT</a></h1>
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<p>Copyright 2000-2019 The OpenSSL Project Authors. All Rights Reserved.</p>
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<p>Licensed under the Apache License 2.0 (the "License"). You may not use
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this file except in compliance with the License. You can obtain a copy
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in the file LICENSE in the source distribution or at
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<a href="https://www.openssl.org/source/license.html">https://www.openssl.org/source/license.html</a>.</p>
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</body>
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</html>
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