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<title>ASN1_STRING_TABLE_add</title>
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<ul id="index">
<li><a href="#NAME">NAME</a></li>
<li><a href="#SYNOPSIS">SYNOPSIS</a></li>
<li><a href="#DESCRIPTION">DESCRIPTION</a>
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<li><a href="#Types">Types</a></li>
<li><a href="#Functions">Functions</a></li>
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<li><a href="#RETURN-VALUES">RETURN VALUES</a></li>
<li><a href="#SEE-ALSO">SEE ALSO</a></li>
<li><a href="#COPYRIGHT">COPYRIGHT</a></li>
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<h1 id="NAME">NAME</h1>
<p>ASN1_STRING_TABLE, ASN1_STRING_TABLE_add, ASN1_STRING_TABLE_get, ASN1_STRING_TABLE_cleanup - ASN1_STRING_TABLE manipulation functions</p>
<h1 id="SYNOPSIS">SYNOPSIS</h1>
<pre><code> #include <openssl/asn1.h>
typedef struct asn1_string_table_st ASN1_STRING_TABLE;
int ASN1_STRING_TABLE_add(int nid, long minsize, long maxsize,
unsigned long mask, unsigned long flags);
ASN1_STRING_TABLE *ASN1_STRING_TABLE_get(int nid);
void ASN1_STRING_TABLE_cleanup(void);</code></pre>
<h1 id="DESCRIPTION">DESCRIPTION</h1>
<h2 id="Types">Types</h2>
<p><b>ASN1_STRING_TABLE</b> is a table which holds string information (basically minimum size, maximum size, type and etc) for a NID object.</p>
<h2 id="Functions">Functions</h2>
<p>ASN1_STRING_TABLE_add() adds a new <b>ASN1_STRING_TABLE</b> item into the local ASN1 string table based on the <i>nid</i> along with other parameters.</p>
<p>If the item is already in the table, fields of <b>ASN1_STRING_TABLE</b> are updated (depending on the values of those parameters, e.g., <i>minsize</i> and <i>maxsize</i> >= 0, <i>mask</i> and <i>flags</i> != 0). If the <i>nid</i> is standard, a copy of the standard <b>ASN1_STRING_TABLE</b> is created and updated with other parameters.</p>
<p>ASN1_STRING_TABLE_get() searches for an <b>ASN1_STRING_TABLE</b> item based on <i>nid</i>. It will search the local table first, then the standard one.</p>
<p>ASN1_STRING_TABLE_cleanup() frees all <b>ASN1_STRING_TABLE</b> items added by ASN1_STRING_TABLE_add().</p>
<h1 id="RETURN-VALUES">RETURN VALUES</h1>
<p>ASN1_STRING_TABLE_add() returns 1 on success, 0 if an error occurred.</p>
<p>ASN1_STRING_TABLE_get() returns a valid <b>ASN1_STRING_TABLE</b> structure or NULL if nothing is found.</p>
<p>ASN1_STRING_TABLE_cleanup() does not return a value.</p>
<h1 id="SEE-ALSO">SEE ALSO</h1>
<p><a href="../man3/ERR_get_error.html">ERR_get_error(3)</a></p>
<h1 id="COPYRIGHT">COPYRIGHT</h1>
<p>Copyright 2017-2020 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>
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