<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"
"http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<title>confuse: reread.c</title>
<link rel="stylesheet" href="tutorial.css" type="text/css">
</head>
<body>
<div class="main">
<!-- doxygen-header.html ends here -->
<!-- Generated by Doxygen 1.5.8 -->
<div class="navigation" id="top">
<div class="tabs">
<ul>
<li><a href="index.html"><span>Main Page</span></a></li>
<li><a href="annotated.html"><span>Data Structures</span></a></li>
<li><a href="files.html"><span>Files</span></a></li>
<li><a href="examples.html"><span>Examples</span></a></li>
</ul>
</div>
</div>
<div class="contents">
<h1>reread.c</h1><div class="fragment"><pre class="fragment"><span class="preprocessor">#include "<a class="code" href="confuse_8h.html" title="A configuration file parser library.">confuse.h</a>"</span>
<span class="preprocessor">#include <string.h></span>
<span class="preprocessor">#include <signal.h></span>
<span class="preprocessor">#include <unistd.h></span>
<a name="_a0"></a><a class="code" href="structcfg__t.html" title="Data structure holding information about a &quot;section&quot;.">cfg_t</a> *cfg = 0;
<span class="keyword">const</span> <span class="keywordtype">char</span> *config_filename = <span class="stringliteral">"./reread.conf"</span>;
<span class="keywordtype">void</span> read_config(<span class="keywordtype">void</span>)
{
<a name="_a1"></a><a class="code" href="structcfg__opt__t.html" title="Data structure holding information about an option.">cfg_opt_t</a> arg_opts[] = {
<a name="a2"></a><a class="code" href="confuse_8h.html#963e2ee16396dcf36f6d1937faa00f0c" title="Initialize a string option.">CFG_STR</a>(<span class="stringliteral">"value"</span>, <span class="stringliteral">"default"</span>, <a name="a3"></a><a class="code" href="confuse_8h.html#65df72d236bcc3e7f22c5b2b5c24bded" title="Flags.">CFGF_NONE</a>),
<a name="a4"></a><a class="code" href="confuse_8h.html#6b29dd8a4c6cd3d392d4ab6b2e535597" title="Terminate list of options.">CFG_END</a>()
};
<a class="code" href="structcfg__opt__t.html" title="Data structure holding information about an option.">cfg_opt_t</a> opts[] = {
<a name="a5"></a><a class="code" href="confuse_8h.html#c2b17561e944264c594ea0802e56d308" title="Initialize an integer option.">CFG_INT</a>(<span class="stringliteral">"delay"</span>, 3, <a class="code" href="confuse_8h.html#65df72d236bcc3e7f22c5b2b5c24bded" title="Flags.">CFGF_NONE</a>),
<a class="code" href="confuse_8h.html#963e2ee16396dcf36f6d1937faa00f0c" title="Initialize a string option.">CFG_STR</a>(<span class="stringliteral">"message"</span>, <span class="stringliteral">"This is a message"</span>, <a class="code" href="confuse_8h.html#65df72d236bcc3e7f22c5b2b5c24bded" title="Flags.">CFGF_NONE</a>),
<a name="a6"></a><a class="code" href="confuse_8h.html#043d5c79624269e5f60f59a698e461a6" title="Initialize a section.">CFG_SEC</a>(<span class="stringliteral">"argument"</span>, arg_opts, <a name="a7"></a><a class="code" href="confuse_8h.html#86b522a5daef5c07066b28f1585d2d77" title="option may be specified multiple times (only applies to sections)">CFGF_MULTI</a> | <a name="a8"></a><a class="code" href="confuse_8h.html#65d20dbd5b778dd1bf3b3895206b4497" title="option has a title (only applies to sections)">CFGF_TITLE</a>),
<a class="code" href="confuse_8h.html#6b29dd8a4c6cd3d392d4ab6b2e535597" title="Terminate list of options.">CFG_END</a>()
};
<span class="keywordtype">int</span> ret;
<span class="keywordtype">char</span> *buf = <span class="stringliteral">""</span> \
<span class="stringliteral">" delay = 3\n"</span> \
<span class="stringliteral">"# message = \"asdfasfasfd tersf\"\n"</span> \
<span class="stringliteral">" argument one { value = 1 }\n"</span> \
<span class="stringliteral">" argument two { value=foo}\n"</span>;
<a name="a9"></a>cfg_free(cfg);
cfg = <a name="a10"></a>cfg_init(opts, 0);
ret = <a name="a11"></a>cfg_parse_buf(cfg, buf);
ret = <a name="a12"></a>cfg_parse(cfg, config_filename);
}
<span class="keywordtype">void</span> sighandler(<span class="keywordtype">int</span> sig)
{
read_config();
signal(SIGHUP, sighandler);
}
<span class="keyword">static</span> <span class="keywordtype">int</span> loop = 1;
<span class="keywordtype">void</span> usr1handler(<span class="keywordtype">int</span> sig)
{
loop = 0;
}
<span class="keywordtype">int</span> main(<span class="keywordtype">void</span>)
{
<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i;
read_config();
signal(SIGHUP, sighandler);
signal(SIGUSR1, usr1handler);
<span class="keywordflow">while</span>(loop)
{
printf(<span class="stringliteral">"Message: %s"</span>, <a name="a13"></a>cfg_getstr(cfg, <span class="stringliteral">"message"</span>));
<span class="keywordflow">for</span>(i = 0; i < <a name="a14"></a>cfg_size(cfg, <span class="stringliteral">"argument"</span>); i++)
{
<a class="code" href="structcfg__t.html" title="Data structure holding information about a &quot;section&quot;.">cfg_t</a> *arg = <a name="a15"></a>cfg_getnsec(cfg, <span class="stringliteral">"argument"</span>, i);
printf(<span class="stringliteral">", %s"</span>, cfg_getstr(arg, <span class="stringliteral">"value"</span>));
}
printf(<span class="stringliteral">"\n"</span>);
sleep(<a name="a16"></a>cfg_getint(cfg, <span class="stringliteral">"delay"</span>));
}
cfg_free(cfg);
cfg = 0;
<span class="keywordflow">return</span> 0;
}
</pre></div> </div>
<!-- doxygen-footer.html starts here -->
</div>
</body>
</html>
