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<li class="navelem"><a class="el" href="dir_7a4553ee0c3b13d0e595a5d1659110a6.html">src</a> </li>
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<div class="title">dyn_unix.c</div> </div>
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<a href="dyn__unix_8c.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment"> * MUSCLE SmartCard Development ( http://www.linuxnet.com )</span>
<a name="l00003"></a>00003 <span class="comment"> *</span>
<a name="l00004"></a>00004 <span class="comment"> * Copyright (C) 1999-2002</span>
<a name="l00005"></a>00005 <span class="comment"> * David Corcoran <corcoran@linuxnet.com></span>
<a name="l00006"></a>00006 <span class="comment"> * Copyright (C) 2002-2010</span>
<a name="l00007"></a>00007 <span class="comment"> * Ludovic Rousseau <ludovic.rousseau@free.fr></span>
<a name="l00008"></a>00008 <span class="comment"> *</span>
<a name="l00009"></a>00009 <span class="comment"> * $Id: dyn_unix.c 5047 2010-06-29 14:39:24Z rousseau $</span>
<a name="l00010"></a>00010 <span class="comment"> */</span>
<a name="l00011"></a>00011
<a name="l00017"></a>00017 <span class="preprocessor">#include "config.h"</span>
<a name="l00018"></a>00018 <span class="preprocessor">#include <stdio.h></span>
<a name="l00019"></a>00019 <span class="preprocessor">#include <string.h></span>
<a name="l00020"></a>00020 <span class="preprocessor">#if defined(HAVE_DLFCN_H) && !defined(HAVE_DL_H) && !defined(__APPLE__)</span>
<a name="l00021"></a>00021 <span class="preprocessor"></span><span class="preprocessor">#include <dlfcn.h></span>
<a name="l00022"></a>00022 <span class="preprocessor">#include <stdlib.h></span>
<a name="l00023"></a>00023
<a name="l00024"></a>00024 <span class="preprocessor">#include "misc.h"</span>
<a name="l00025"></a>00025 <span class="preprocessor">#include "<a class="code" href="pcsclite_8h.html" title="This keeps a list of defines for pcsc-lite.">pcsclite.h</a>"</span>
<a name="l00026"></a>00026 <span class="preprocessor">#include "<a class="code" href="debuglog_8h.html" title="This handles debugging.">debuglog.h</a>"</span>
<a name="l00027"></a>00027 <span class="preprocessor">#include "<a class="code" href="dyn__generic_8h.html" title="This abstracts dynamic library loading functions.">dyn_generic.h</a>"</span>
<a name="l00028"></a>00028
<a name="l00029"></a>00029 INTERNAL <span class="keywordtype">int</span> DYN_LoadLibrary(<span class="keywordtype">void</span> **pvLHandle, <span class="keywordtype">char</span> *pcLibrary)
<a name="l00030"></a>00030 {
<a name="l00031"></a>00031 *pvLHandle = NULL;
<a name="l00032"></a>00032 <span class="preprocessor">#ifndef PCSCLITE_STATIC_DRIVER</span>
<a name="l00033"></a>00033 <span class="preprocessor"></span> *pvLHandle = dlopen(pcLibrary, RTLD_LAZY);
<a name="l00034"></a>00034
<a name="l00035"></a>00035 <span class="keywordflow">if</span> (*pvLHandle == NULL)
<a name="l00036"></a>00036 {
<a name="l00037"></a>00037 Log3(PCSC_LOG_CRITICAL, <span class="stringliteral">"%s: %s"</span>, pcLibrary, dlerror());
<a name="l00038"></a>00038 <span class="keywordflow">return</span> <a class="code" href="pcsclite_8h.html#a27abb2c7397e0b23939cf216111d4e9a" title="An internal error has been detected, but the source is unknown.">SCARD_F_UNKNOWN_ERROR</a>;
<a name="l00039"></a>00039 }
<a name="l00040"></a>00040 <span class="preprocessor">#endif</span>
<a name="l00041"></a>00041 <span class="preprocessor"></span>
<a name="l00042"></a>00042 <span class="keywordflow">return</span> <a class="code" href="pcsclite_8h.html#a4a3c56f69570971d366642a563b34a75" title="error codes from http://msdn.microsoft.com/en-us/library/aa924526.aspx">SCARD_S_SUCCESS</a>;
<a name="l00043"></a>00043 }
<a name="l00044"></a>00044
<a name="l00045"></a>00045 INTERNAL <span class="keywordtype">int</span> DYN_CloseLibrary(<span class="keywordtype">void</span> **pvLHandle)
<a name="l00046"></a>00046 {
<a name="l00047"></a>00047 <span class="preprocessor">#ifndef PCSCLITE_STATIC_DRIVER</span>
<a name="l00048"></a>00048 <span class="preprocessor"></span> <span class="keywordtype">int</span> ret;
<a name="l00049"></a>00049
<a name="l00050"></a>00050 ret = dlclose(*pvLHandle);
<a name="l00051"></a>00051 *pvLHandle = NULL;
<a name="l00052"></a>00052
<a name="l00053"></a>00053 <span class="keywordflow">if</span> (ret)
<a name="l00054"></a>00054 {
<a name="l00055"></a>00055 Log2(PCSC_LOG_CRITICAL, <span class="stringliteral">"%s"</span>, dlerror());
<a name="l00056"></a>00056 <span class="keywordflow">return</span> <a class="code" href="pcsclite_8h.html#a27abb2c7397e0b23939cf216111d4e9a" title="An internal error has been detected, but the source is unknown.">SCARD_F_UNKNOWN_ERROR</a>;
<a name="l00057"></a>00057 }
<a name="l00058"></a>00058 <span class="preprocessor">#endif</span>
<a name="l00059"></a>00059 <span class="preprocessor"></span>
<a name="l00060"></a>00060 <span class="keywordflow">return</span> <a class="code" href="pcsclite_8h.html#a4a3c56f69570971d366642a563b34a75" title="error codes from http://msdn.microsoft.com/en-us/library/aa924526.aspx">SCARD_S_SUCCESS</a>;
<a name="l00061"></a>00061 }
<a name="l00062"></a>00062
<a name="l00063"></a>00063 INTERNAL <span class="keywordtype">int</span> DYN_GetAddress(<span class="keywordtype">void</span> *pvLHandle, <span class="keywordtype">void</span> **pvFHandle, <span class="keyword">const</span> <span class="keywordtype">char</span> *pcFunction)
<a name="l00064"></a>00064 {
<a name="l00065"></a>00065 <span class="keywordtype">char</span> pcFunctionName[256];
<a name="l00066"></a>00066 <span class="keywordtype">int</span> rv = <a class="code" href="pcsclite_8h.html#a4a3c56f69570971d366642a563b34a75" title="error codes from http://msdn.microsoft.com/en-us/library/aa924526.aspx">SCARD_S_SUCCESS</a>;
<a name="l00067"></a>00067
<a name="l00068"></a>00068 <span class="comment">/* Some platforms might need a leading underscore for the symbol */</span>
<a name="l00069"></a>00069 (void)snprintf(pcFunctionName, <span class="keyword">sizeof</span>(pcFunctionName), <span class="stringliteral">"_%s"</span>, pcFunction);
<a name="l00070"></a>00070
<a name="l00071"></a>00071 *pvFHandle = NULL;
<a name="l00072"></a>00072 <span class="preprocessor">#ifndef PCSCLITE_STATIC_DRIVER</span>
<a name="l00073"></a>00073 <span class="preprocessor"></span> *pvFHandle = dlsym(pvLHandle, pcFunctionName);
<a name="l00074"></a>00074
<a name="l00075"></a>00075 <span class="comment">/* Failed? Try again without the leading underscore */</span>
<a name="l00076"></a>00076 <span class="keywordflow">if</span> (*pvFHandle == NULL)
<a name="l00077"></a>00077 *pvFHandle = dlsym(pvLHandle, pcFunction);
<a name="l00078"></a>00078
<a name="l00079"></a>00079 <span class="keywordflow">if</span> (*pvFHandle == NULL)
<a name="l00080"></a>00080 {
<a name="l00081"></a>00081 Log3(PCSC_LOG_CRITICAL, <span class="stringliteral">"%s: %s"</span>, pcFunction, dlerror());
<a name="l00082"></a>00082 rv = <a class="code" href="pcsclite_8h.html#a27abb2c7397e0b23939cf216111d4e9a" title="An internal error has been detected, but the source is unknown.">SCARD_F_UNKNOWN_ERROR</a>;
<a name="l00083"></a>00083 }
<a name="l00084"></a>00084 <span class="preprocessor">#endif</span>
<a name="l00085"></a>00085 <span class="preprocessor"></span>
<a name="l00086"></a>00086 <span class="keywordflow">return</span> rv;
<a name="l00087"></a>00087 }
<a name="l00088"></a>00088
<a name="l00089"></a>00089 <span class="preprocessor">#endif </span><span class="comment">/* HAVE_DLFCN_H && !HAVE_DL_H && !__APPLE__ */</span>
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