lwres_hstrerror.html revision e21a2904f02a03fa06b6db04d348f65fe9c67b2b
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein - Copyright (C) 2004, 2005 Internet Systems Consortium, Inc. ("ISC")
75c0816e8295e180f4bc7f10db3d0d880383bc1cMark Andrews - Copyright (C) 2000, 2001 Internet Software Consortium.
ddccd5811feff696ba460dabfb666ce61040f545Andreas Gustafsson - Permission to use, copy, modify, and distribute this software for any
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e21a2904f02a03fa06b6db04d348f65fe9c67b2bMark Andrews<!-- $Id: lwres_hstrerror.html,v 1.21 2006/12/12 01:45:21 marka Exp $ -->
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60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="refentry" lang="en">
e21a2904f02a03fa06b6db04d348f65fe9c67b2bMark Andrews<a name="id2476419"></a><div class="titlepage"></div>
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein<p>lwres_herror, lwres_hstrerror — lightweight resolver error message generation</p>
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein<pre class="funcsynopsisinfo">#include <lwres/netdb.h></pre>
e21a2904f02a03fa06b6db04d348f65fe9c67b2bMark Andrews<table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" style="padding-bottom: 1em"><tr>
e21a2904f02a03fa06b6db04d348f65fe9c67b2bMark Andrews<var class="pdparam">s</var><code>)</code>;</td>
e21a2904f02a03fa06b6db04d348f65fe9c67b2bMark Andrews<table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0"><tr>
e21a2904f02a03fa06b6db04d348f65fe9c67b2bMark Andrews<b class="fsfunc">lwres_hstrerror</b>(</code></td>
e21a2904f02a03fa06b6db04d348f65fe9c67b2bMark Andrews<var class="pdparam">err</var><code>)</code>;</td>
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein prints the string <em class="parameter"><code>s</code></em> on
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein <span class="type">stderr</span> followed by the string generated by
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein <code class="function">lwres_hstrerror()</code> for the error code stored
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein in the global variable <code class="constant">lwres_h_errno</code>.
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein<p><code class="function">lwres_hstrerror()</code>
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein returns an appropriate string for the error code gievn by
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein <em class="parameter"><code>err</code></em>. The values of the error codes and
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein messages are as follows:
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein<dt><span class="term"><span class="errorcode">NETDB_SUCCESS</span></span></dt>
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein<dd><p><span class="errorname">Resolver Error 0 (no error)</span>
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein<dt><span class="term"><span class="errorcode">HOST_NOT_FOUND</span></span></dt>
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein<dd><p><span class="errorname">Unknown host</span>
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein<dt><span class="term"><span class="errorcode">TRY_AGAIN</span></span></dt>
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein<dd><p><span class="errorname">Host name lookup failure</span>
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein<dt><span class="term"><span class="errorcode">NO_RECOVERY</span></span></dt>
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein<dd><p><span class="errorname">Unknown server error</span>
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein<dt><span class="term"><span class="errorcode">NO_DATA</span></span></dt>
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein<dd><p><span class="errorname">No address associated with name</span>
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein The string <span class="errorname">Unknown resolver error</span> is returned by
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein when the value of
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein is not a valid error code.
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein<p><span class="citerefentry"><span class="refentrytitle">herror</span>(3)</span>,
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein <span class="citerefentry"><span class="refentrytitle">lwres_hstrerror</span>(3)</span>.