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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_set_mark</title> <meta http-equiv="content-type" content="text/html; charset=utf-8" /> <link rev="made" href="mailto:root@localhost" /> </head> <body style="background-color: white"> <ul id="index"> <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="#COPYRIGHT">COPYRIGHT</a></li> </ul> <h1 id="NAME">NAME</h1> <p>ERR_set_mark, ERR_clear_last_mark, ERR_pop_to_mark - set mark, clear mark and pop errors until mark</p> <h1 id="SYNOPSIS">SYNOPSIS</h1> <pre><code> #include <openssl/err.h> int ERR_set_mark(void); int ERR_pop_to_mark(void); int ERR_clear_last_mark(void);</code></pre> <h1 id="DESCRIPTION">DESCRIPTION</h1> <p>ERR_set_mark() sets a mark on the current topmost error record if there is one.</p> <p>ERR_pop_to_mark() will pop the top of the error stack until a mark is found. The mark is then removed. If there is no mark, the whole stack is removed.</p> <p>ERR_clear_last_mark() removes the last mark added if there is one.</p> <h1 id="RETURN-VALUES">RETURN VALUES</h1> <p>ERR_set_mark() returns 0 if the error stack is empty, otherwise 1.</p> <p>ERR_clear_last_mark() and ERR_pop_to_mark() return 0 if there was no mark in the error stack, which implies that the stack became empty, otherwise 1.</p> <h1 id="COPYRIGHT">COPYRIGHT</h1> <p>Copyright 2003-2021 The OpenSSL Project Authors. All Rights Reserved.</p> <p>Licensed under the Apache License 2.0 (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>