<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<title>pcsc-lite: debug.c Source File</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<link href="doxygen.css" rel="stylesheet" type="text/css"/>
</head>
<body>
<!-- Generated by Doxygen 1.7.3 -->
<div id="top">
<div id="titlearea">
<table cellspacing="0" cellpadding="0">
<tbody>
<tr style="height: 56px;">
<td style="padding-left: 0.5em;">
<div id="projectname">pcsc-lite <span id="projectnumber">1.7.2</span></div>
</td>
</tr>
</tbody>
</table>
</div>
<div id="navrow1" class="tabs">
<ul class="tablist">
<li><a href="index.html"><span>Main Page</span></a></li>
<li><a href="modules.html"><span>Modules</span></a></li>
<li><a href="annotated.html"><span>Data Structures</span></a></li>
<li class="current"><a href="files.html"><span>Files</span></a></li>
<li><a href="dirs.html"><span>Directories</span></a></li>
</ul>
</div>
<div id="navrow2" class="tabs2">
<ul class="tablist">
<li><a href="files.html"><span>File List</span></a></li>
<li><a href="globals.html"><span>Globals</span></a></li>
</ul>
</div>
<div id="nav-path" class="navpath">
<ul>
<li class="navelem"><a class="el" href="dir_7a4553ee0c3b13d0e595a5d1659110a6.html">src</a> </li>
</ul>
</div>
</div>
<div class="header">
<div class="headertitle">
<h1>debug.c</h1> </div>
</div>
<div class="contents">
<a href="debug_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) 2002-2009</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: debug.c 5196 2010-08-27 12:52:27Z 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 <stdarg.h></span>
<a name="l00019"></a>00019 <span class="preprocessor">#include <stdlib.h></span>
<a name="l00020"></a>00020 <span class="preprocessor">#include <unistd.h></span>
<a name="l00021"></a>00021 <span class="preprocessor">#include <string.h></span>
<a name="l00022"></a>00022 <span class="preprocessor">#include <stdio.h></span>
<a name="l00023"></a>00023
<a name="l00024"></a>00024 <span class="preprocessor">#include "debuglog.h"</span>
<a name="l00025"></a>00025 <span class="preprocessor">#include "<a class="code" href="strlcpycat_8h.html" title="prototypes of strlcpy()/strlcat() imported from OpenBSD">strlcpycat.h</a>"</span>
<a name="l00026"></a>00026
<a name="l00027"></a>00027 <span class="preprocessor">#define DEBUG_BUF_SIZE 2048</span>
<a name="l00028"></a>00028 <span class="preprocessor"></span>
<a name="l00029"></a>00029 <span class="preprocessor">#ifdef NO_LOG</span>
<a name="l00030"></a>00030 <span class="preprocessor"></span>
<a name="l00031"></a>00031 <span class="keywordtype">void</span> log_msg(<span class="keyword">const</span> <span class="keywordtype">int</span> priority, <span class="keyword">const</span> <span class="keywordtype">char</span> *fmt, ...)
<a name="l00032"></a>00032 {
<a name="l00033"></a>00033 (void)priority;
<a name="l00034"></a>00034 (void)fmt;
<a name="l00035"></a>00035 }
<a name="l00036"></a>00036
<a name="l00037"></a>00037 <span class="keywordtype">void</span> log_xxd(<span class="keyword">const</span> <span class="keywordtype">int</span> priority, <span class="keyword">const</span> <span class="keywordtype">char</span> *msg, <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *buffer,
<a name="l00038"></a>00038 <span class="keyword">const</span> <span class="keywordtype">int</span> len)
<a name="l00039"></a>00039 {
<a name="l00040"></a>00040 (void)priority;
<a name="l00041"></a>00041 (void)msg;
<a name="l00042"></a>00042 (void)buffer;
<a name="l00043"></a>00043 (void)len;
<a name="l00044"></a>00044 }
<a name="l00045"></a>00045
<a name="l00046"></a>00046 <span class="preprocessor">#else</span>
<a name="l00047"></a>00047 <span class="preprocessor"></span>
<a name="l00049"></a><a class="code" href="debug_8c.html#a731a4e24c38dae1ffdb9bed5abfe945f">00049</a> <span class="keyword">static</span> <span class="keywordtype">char</span> <a class="code" href="debug_8c.html#a731a4e24c38dae1ffdb9bed5abfe945f" title="default level is quiet to avoid polluting fd 2 (possibly NOT stderr)">LogLevel</a> = PCSC_LOG_CRITICAL+1;
<a name="l00050"></a>00050
<a name="l00051"></a><a class="code" href="debug_8c.html#ad9814cd7cb6a5bdc3d3250f957821136">00051</a> <span class="keyword">static</span> <span class="keywordtype">signed</span> <span class="keywordtype">char</span> <a class="code" href="debug_8c.html#ad9814cd7cb6a5bdc3d3250f957821136" title="no color by default">LogDoColor</a> = 0;
<a name="l00053"></a>00053 <span class="keyword">static</span> <span class="keywordtype">void</span> log_init(<span class="keywordtype">void</span>)
<a name="l00054"></a>00054 {
<a name="l00055"></a>00055 <span class="keywordtype">char</span> *e;
<a name="l00056"></a>00056
<a name="l00057"></a>00057 <span class="preprocessor">#ifdef LIBPCSCLITE</span>
<a name="l00058"></a>00058 <span class="preprocessor"></span> e = getenv(<span class="stringliteral">"PCSCLITE_DEBUG"</span>);
<a name="l00059"></a>00059 <span class="preprocessor">#else</span>
<a name="l00060"></a>00060 <span class="preprocessor"></span> e = getenv(<span class="stringliteral">"MUSCLECARD_DEBUG"</span>);
<a name="l00061"></a>00061 <span class="preprocessor">#endif</span>
<a name="l00062"></a>00062 <span class="preprocessor"></span> <span class="keywordflow">if</span> (e)
<a name="l00063"></a>00063 <a class="code" href="debug_8c.html#a731a4e24c38dae1ffdb9bed5abfe945f" title="default level is quiet to avoid polluting fd 2 (possibly NOT stderr)">LogLevel</a> = atoi(e);
<a name="l00064"></a>00064
<a name="l00065"></a>00065 <span class="comment">/* log to stderr and stderr is a tty? */</span>
<a name="l00066"></a>00066 <span class="keywordflow">if</span> (isatty(fileno(stderr)))
<a name="l00067"></a>00067 {
<a name="l00068"></a>00068 <span class="keyword">const</span> <span class="keywordtype">char</span> *terms[] = { <span class="stringliteral">"linux"</span>, <span class="stringliteral">"xterm"</span>, <span class="stringliteral">"xterm-color"</span>, <span class="stringliteral">"Eterm"</span>, <span class="stringliteral">"rxvt"</span>, <span class="stringliteral">"rxvt-unicode"</span> };
<a name="l00069"></a>00069 <span class="keywordtype">char</span> *term;
<a name="l00070"></a>00070
<a name="l00071"></a>00071 term = getenv(<span class="stringliteral">"TERM"</span>);
<a name="l00072"></a>00072 <span class="keywordflow">if</span> (term)
<a name="l00073"></a>00073 {
<a name="l00074"></a>00074 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i;
<a name="l00075"></a>00075
<a name="l00076"></a>00076 <span class="comment">/* for each known color terminal */</span>
<a name="l00077"></a>00077 <span class="keywordflow">for</span> (i = 0; i < <span class="keyword">sizeof</span>(terms) / <span class="keyword">sizeof</span>(terms[0]); i++)
<a name="l00078"></a>00078 {
<a name="l00079"></a>00079 <span class="comment">/* we found a supported term? */</span>
<a name="l00080"></a>00080 <span class="keywordflow">if</span> (0 == strcmp(terms[i], term))
<a name="l00081"></a>00081 {
<a name="l00082"></a>00082 <a class="code" href="debug_8c.html#ad9814cd7cb6a5bdc3d3250f957821136" title="no color by default">LogDoColor</a> = 1;
<a name="l00083"></a>00083 <span class="keywordflow">break</span>;
<a name="l00084"></a>00084 }
<a name="l00085"></a>00085 }
<a name="l00086"></a>00086 }
<a name="l00087"></a>00087 }
<a name="l00088"></a>00088 } <span class="comment">/* log_init */</span>
<a name="l00089"></a>00089
<a name="l00090"></a>00090 <span class="keywordtype">void</span> log_msg(<span class="keyword">const</span> <span class="keywordtype">int</span> priority, <span class="keyword">const</span> <span class="keywordtype">char</span> *fmt, ...)
<a name="l00091"></a>00091 {
<a name="l00092"></a>00092 <span class="keywordtype">char</span> DebugBuffer[<a class="code" href="debuglog_8c.html#a758f9da8805a79adbe236829c3802703" title="Max string size when dumping a 256 bytes longs APDU Should be bigger than 256*3+30.">DEBUG_BUF_SIZE</a>];
<a name="l00093"></a>00093 va_list argptr;
<a name="l00094"></a>00094 <span class="keyword">static</span> <span class="keywordtype">int</span> is_initialized = 0;
<a name="l00095"></a>00095
<a name="l00096"></a>00096 <span class="keywordflow">if</span> (!is_initialized)
<a name="l00097"></a>00097 {
<a name="l00098"></a>00098 log_init();
<a name="l00099"></a>00099 is_initialized = 1;
<a name="l00100"></a>00100 }
<a name="l00101"></a>00101
<a name="l00102"></a>00102 <span class="keywordflow">if</span> (priority < <a class="code" href="debug_8c.html#a731a4e24c38dae1ffdb9bed5abfe945f" title="default level is quiet to avoid polluting fd 2 (possibly NOT stderr)">LogLevel</a>) <span class="comment">/* log priority lower than threshold? */</span>
<a name="l00103"></a>00103 <span class="keywordflow">return</span>;
<a name="l00104"></a>00104
<a name="l00105"></a>00105 va_start(argptr, fmt);
<a name="l00106"></a>00106 (void)vsnprintf(DebugBuffer, <a class="code" href="debuglog_8c.html#a758f9da8805a79adbe236829c3802703" title="Max string size when dumping a 256 bytes longs APDU Should be bigger than 256*3+30.">DEBUG_BUF_SIZE</a>, fmt, argptr);
<a name="l00107"></a>00107 va_end(argptr);
<a name="l00108"></a>00108
<a name="l00109"></a>00109 {
<a name="l00110"></a>00110 <span class="keywordflow">if</span> (<a class="code" href="debug_8c.html#ad9814cd7cb6a5bdc3d3250f957821136" title="no color by default">LogDoColor</a>)
<a name="l00111"></a>00111 {
<a name="l00112"></a>00112 <span class="keyword">const</span> <span class="keywordtype">char</span> *color_pfx = <span class="stringliteral">""</span>, *color_sfx = <span class="stringliteral">"\33[0m"</span>;
<a name="l00113"></a>00113
<a name="l00114"></a>00114 <span class="keywordflow">switch</span> (priority)
<a name="l00115"></a>00115 {
<a name="l00116"></a>00116 <span class="keywordflow">case</span> PCSC_LOG_CRITICAL:
<a name="l00117"></a>00117 color_pfx = <span class="stringliteral">"\33[01;31m"</span>; <span class="comment">/* bright + Red */</span>
<a name="l00118"></a>00118 <span class="keywordflow">break</span>;
<a name="l00119"></a>00119
<a name="l00120"></a>00120 <span class="keywordflow">case</span> PCSC_LOG_ERROR:
<a name="l00121"></a>00121 color_pfx = <span class="stringliteral">"\33[35m"</span>; <span class="comment">/* Magenta */</span>
<a name="l00122"></a>00122 <span class="keywordflow">break</span>;
<a name="l00123"></a>00123
<a name="l00124"></a>00124 <span class="keywordflow">case</span> PCSC_LOG_INFO:
<a name="l00125"></a>00125 color_pfx = <span class="stringliteral">"\33[34m"</span>; <span class="comment">/* Blue */</span>
<a name="l00126"></a>00126 <span class="keywordflow">break</span>;
<a name="l00127"></a>00127
<a name="l00128"></a>00128 <span class="keywordflow">case</span> PCSC_LOG_DEBUG:
<a name="l00129"></a>00129 color_pfx = <span class="stringliteral">""</span>; <span class="comment">/* normal (black) */</span>
<a name="l00130"></a>00130 color_sfx = <span class="stringliteral">""</span>;
<a name="l00131"></a>00131 <span class="keywordflow">break</span>;
<a name="l00132"></a>00132 }
<a name="l00133"></a>00133 fprintf(stderr, <span class="stringliteral">"%s%s%s\n"</span>, color_pfx, DebugBuffer, color_sfx);
<a name="l00134"></a>00134 }
<a name="l00135"></a>00135 <span class="keywordflow">else</span>
<a name="l00136"></a>00136 fprintf(stderr, <span class="stringliteral">"%s\n"</span>, DebugBuffer);
<a name="l00137"></a>00137 }
<a name="l00138"></a>00138 } <span class="comment">/* log_msg */</span>
<a name="l00139"></a>00139
<a name="l00140"></a>00140 <span class="keywordtype">void</span> log_xxd(<span class="keyword">const</span> <span class="keywordtype">int</span> priority, <span class="keyword">const</span> <span class="keywordtype">char</span> *msg, <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *buffer,
<a name="l00141"></a>00141 <span class="keyword">const</span> <span class="keywordtype">int</span> len)
<a name="l00142"></a>00142 {
<a name="l00143"></a>00143 <span class="keywordtype">char</span> DebugBuffer[<a class="code" href="debuglog_8c.html#a758f9da8805a79adbe236829c3802703" title="Max string size when dumping a 256 bytes longs APDU Should be bigger than 256*3+30.">DEBUG_BUF_SIZE</a>];
<a name="l00144"></a>00144 <span class="keywordtype">int</span> i;
<a name="l00145"></a>00145 <span class="keywordtype">char</span> *c;
<a name="l00146"></a>00146 <span class="keywordtype">char</span> *debug_buf_end;
<a name="l00147"></a>00147
<a name="l00148"></a>00148 <span class="keywordflow">if</span> (priority < <a class="code" href="debug_8c.html#a731a4e24c38dae1ffdb9bed5abfe945f" title="default level is quiet to avoid polluting fd 2 (possibly NOT stderr)">LogLevel</a>) <span class="comment">/* log priority lower than threshold? */</span>
<a name="l00149"></a>00149 <span class="keywordflow">return</span>;
<a name="l00150"></a>00150
<a name="l00151"></a>00151 debug_buf_end = DebugBuffer + <a class="code" href="debuglog_8c.html#a758f9da8805a79adbe236829c3802703" title="Max string size when dumping a 256 bytes longs APDU Should be bigger than 256*3+30.">DEBUG_BUF_SIZE</a> - 5;
<a name="l00152"></a>00152
<a name="l00153"></a>00153 (void)strlcpy(DebugBuffer, msg, <span class="keyword">sizeof</span>(DebugBuffer));
<a name="l00154"></a>00154 c = DebugBuffer + strlen(DebugBuffer);
<a name="l00155"></a>00155
<a name="l00156"></a>00156 <span class="keywordflow">for</span> (i = 0; (i < len) && (c < debug_buf_end); ++i)
<a name="l00157"></a>00157 {
<a name="l00158"></a>00158 sprintf(c, <span class="stringliteral">"%02X "</span>, buffer[i]);
<a name="l00159"></a>00159 c += strlen(c);
<a name="l00160"></a>00160 }
<a name="l00161"></a>00161
<a name="l00162"></a>00162 fprintf(stderr, <span class="stringliteral">"%s\n"</span>, DebugBuffer);
<a name="l00163"></a>00163 } <span class="comment">/* log_xxd */</span>
<a name="l00164"></a>00164
<a name="l00165"></a>00165 <span class="preprocessor">#endif</span>
<a name="l00166"></a>00166 <span class="preprocessor"></span>
</pre></div></div>
</div>
<hr class="footer"/><address class="footer"><small>Generated on Thu Mar 31 2011 for pcsc-lite by 
<a href="http://www.doxygen.org/index.html">
<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.7.3 </small></address>
</body>
</html>
