<p>Pass NULL as value to set_var_value when assigning a NULL or PV_VAL_NULL value to a pv with the VAR_TYPE_NULL flag set.</p>

<p>Previously assigning $null didn't work as expected:</p>

<p><code>$vn(foo) = $null</code> would result in <code>$vn(foo)</code> being assigned <code>0</code> (this can be verified by either logging the value or testing with an if statement).</p>

<hr>

<h4>You can view, comment on, or merge this pull request online at:</h4>
<p>  <a href='https://github.com/kamailio/kamailio/pull/153'>https://github.com/kamailio/kamailio/pull/153</a></p>

<h4>Commit Summary</h4>
<ul>
  <li>pv: Fixed assigning $null to $vn(name) pvs</li>
</ul>

<h4>File Changes</h4>
<ul>
  <li>
    <strong>M</strong>
    <a href="https://github.com/kamailio/kamailio/pull/153/files#diff-0">modules/pv/pv_core.c</a>
    (9)
  </li>
</ul>

<h4>Patch Links:</h4>
<ul>
  <li><a href='https://github.com/kamailio/kamailio/pull/153.patch'>https://github.com/kamailio/kamailio/pull/153.patch</a></li>
  <li><a href='https://github.com/kamailio/kamailio/pull/153.diff'>https://github.com/kamailio/kamailio/pull/153.diff</a></li>
</ul>

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