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<h1>atrhandler.c File Reference</h1> </div>
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<p>This keeps track of smartcard protocols, timing issues and ATR (Answer-to-Reset) handling.
<a href="#_details">More...</a></p>
<div class="textblock"><code>#include "config.h"</code><br/>
<code>#include <string.h></code><br/>
<code>#include "misc.h"</code><br/>
<code>#include "pcsclite.h"</code><br/>
<code>#include "debuglog.h"</code><br/>
<code>#include "<a class="el" href="atrhandler_8h_source.html">atrhandler.h</a>"</code><br/>
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Include dependency graph for atrhandler.c:</div>
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Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">short </td><td class="memItemRight" valign="bottom"><a class="el" href="atrhandler_8c.html#a76bf3383cc11cc95499325c987d6f193">ATRDecodeAtr</a> (<a class="el" href="structSMARTCARD__EXTENSION.html">SMARTCARD_EXTENSION</a> *psExtension, PUCHAR pucAtr, DWORD dwLength)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Uncomment the following for ATR debugging or use . <a href="#a76bf3383cc11cc95499325c987d6f193"></a><br/></td></tr>
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<hr/><a name="_details"></a><h2>Detailed Description</h2>
<div class="textblock"><p>This keeps track of smartcard protocols, timing issues and ATR (Answer-to-Reset) handling. </p>
<dl class="note"><dt><b>Note:</b></dt><dd>use ./configure --enable-debugatr to enable debug messages to be logged. </dd></dl>
<p>Definition in file <a class="el" href="atrhandler_8c_source.html">atrhandler.c</a>.</p>
</div><hr/><h2>Function Documentation</h2>
<a class="anchor" id="a76bf3383cc11cc95499325c987d6f193"></a><!-- doxytag: member="atrhandler.c::ATRDecodeAtr" ref="a76bf3383cc11cc95499325c987d6f193" args="(SMARTCARD_EXTENSION *psExtension, PUCHAR pucAtr, DWORD dwLength)" -->
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<td class="memname">short ATRDecodeAtr </td>
<td>(</td>
<td class="paramtype"><a class="el" href="structSMARTCARD__EXTENSION.html">SMARTCARD_EXTENSION</a> * </td>
<td class="paramname"><em>psExtension</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">PUCHAR </td>
<td class="paramname"><em>pucAtr</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">DWORD </td>
<td class="paramname"><em>dwLength</em> </td>
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<td>)</td>
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<p>Uncomment the following for ATR debugging or use . </p>
<p>/configure --enable-debugatr parse an ATR</p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramdir">[out]</td><td class="paramname">psExtension</td><td></td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">pucAtr</td><td>ATR </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">dwLength</td><td>ATR length </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd></dd></dl>
<p><dl><dt><b>Return values:</b></dt><dd>
<table class="retval">
<tr><td class="paramname">0</td><td>Atr must have TS and T0</td></tr>
<tr><td class="paramname">0</td><td>Unable to decode TS byte</td></tr>
<tr><td class="paramname">0</td><td>Unable to decode LNS</td></tr>
<tr><td class="paramname">0</td><td>Unable do decode T protocol</td></tr>
<tr><td class="paramname">0</td><td>Maximum attribute size</td></tr>
<tr><td class="paramname">0</td><td>Maximum attribute size</td></tr>
<tr><td class="paramname">1</td><td>Success </td></tr>
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<p>Definition at line <a class="el" href="atrhandler_8c_source.html#l00044">44</a> of file <a class="el" href="atrhandler_8c_source.html">atrhandler.c</a>.</p>
<p>References <a class="el" href="pcsclite_8h_source.html#l00038">MAX_ATR_SIZE</a>, <a class="el" href="pcsclite_8h_source.html#l00152">SCARD_PROTOCOL_T0</a>, <a class="el" href="pcsclite_8h_source.html#l00153">SCARD_PROTOCOL_T1</a>, <a class="el" href="pcsclite_8h_source.html#l00155">SCARD_PROTOCOL_T15</a>, and <a class="el" href="pcsclite_8h_source.html#l00150">SCARD_PROTOCOL_UNDEFINED</a>.</p>
<p>Referenced by <a class="el" href="prothandler_8c_source.html#l00054">PHGetAvailableProtocols()</a>, and <a class="el" href="prothandler_8c_source.html#l00034">PHGetDefaultProtocol()</a>.</p>
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