hash-update.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<refentry xml:id="function.hash-update" xmlns="http://docbook.org/ns/docbook">
 <refnamediv>
  <refname>hash_update</refname>
  <refpurpose>Pump data into an active hashing context</refpurpose>
 </refnamediv>
 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>true</type><methodname>hash_update</methodname>
   <methodparam><type>HashContext</type><parameter>context</parameter></methodparam>
   <methodparam><type>string</type><parameter>data</parameter></methodparam>
  </methodsynopsis>

 </refsect1>
 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>context</parameter></term>
     <listitem>
      <para>
       Hashing context returned by <function>hash_init</function>.
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>data</parameter></term>
     <listitem>
      <para>
       Message to be included in the hash digest.
      </para>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   &return.true.always;
  </para>
 </refsect1>

 <refsect1 role="changelog">
  &reftitle.changelog;
  <para>
   <informaltable>
    <tgroup cols="2">
     <thead>
      <row>
       <entry>&Version;</entry>
       <entry>&Description;</entry>
      </row>
     </thead>
     <tbody>
      <row>
       <entry>7.2.0</entry>
       <entry>
        Accept <classname>HashContext</classname> instead of resource.
       </entry>
      </row>
     </tbody>
    </tgroup>
   </informaltable>
  </para>
 </refsect1>
 
 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><function>hash_init</function></member>
    <member><function>hash_update_file</function></member>
    <member><function>hash_update_stream</function></member>
    <member><function>hash_final</function></member>
   </simplelist>
  </para>
 </refsect1>

</refentry>
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