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File: [ELWIX - Embedded LightWeight unIX -] / embedaddon / confuse / doc / html / reread_8c-example.html
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Wed Mar 17 00:49:17 2021 UTC (3 years, 3 months ago) by misho
Branches: confuse, MAIN
CVS tags: v3_3, HEAD

confuse 3.3

1: <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 2: <html xmlns="http://www.w3.org/1999/xhtml"> 3: <head> 4: <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> 5: <meta http-equiv="X-UA-Compatible" content="IE=9"/> 6: <meta name="generator" content="Doxygen 1.8.17"/> 7: <title>confuse: reread.c</title> 8: <link href="tabs.css" rel="stylesheet" type="text/css"/> 9: <script type="text/javascript" src="jquery.js"></script> 10: <script type="text/javascript" src="dynsections.js"></script> 11: <link href="search/search.css" rel="stylesheet" type="text/css"/> 12: <script type="text/javascript" src="search/searchdata.js"></script> 13: <script type="text/javascript" src="search/search.js"></script> 14: <link href="doxygen.css" rel="stylesheet" type="text/css" /> 15: </head> 16: <body> 17: <div id="top"> 18: <div id="titlearea"> 19: <table cellspacing="0" cellpadding="0"> 20: <tbody> 21: <tr style="height: 56px;"> 22: <td id="projectalign" style="padding-left: 0.5em;"> 23: <div id="projectname">confuse 24:  <span id="projectnumber">3.3</span> 25: </div> 26: </td> 27: </tr> 28: </tbody> 29: </table> 30: </div> 31:  32:  33: <script type="text/javascript"> 34: /* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */ 35: var searchBox = new SearchBox("searchBox", "search",false,'Search'); 36: /* @license-end */ 37: </script> 38: <script type="text/javascript" src="menudata.js"></script> 39: <script type="text/javascript" src="menu.js"></script> 40: <script type="text/javascript"> 41: /* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */ 42: $(function() { 43: initMenu('',true,false,'search.php','Search'); 44: $(document).ready(function() { init_search(); }); 45: }); 46: /* @license-end */</script> 47: <div id="main-nav"></div> 48: </div> 49:  50: <div id="MSearchSelectWindow" 51: onmouseover="return searchBox.OnSearchSelectShow()" 52: onmouseout="return searchBox.OnSearchSelectHide()" 53: onkeydown="return searchBox.OnSearchSelectKey(event)"> 54: </div> 55: 56:  57: <div id="MSearchResultsWindow"> 58: <iframe src="javascript:void(0)" frameborder="0" 59: name="MSearchResults" id="MSearchResults"> 60: </iframe> 61: </div> 62: 63: <div class="header"> 64: <div class="headertitle"> 65: <div class="title">reread.c</div> </div> 66: </div> 67: <div class="contents"> 68: <div class="fragment"><div class="line"><span class="preprocessor">#include <err.h></span></div> 69: <div class="line"><span class="preprocessor">#include <string.h></span></div> 70: <div class="line"><span class="preprocessor">#include <signal.h></span></div> 71: <div class="line"><span class="preprocessor">#include <unistd.h></span></div> 72: <div class="line"><span class="preprocessor">#include <locale.h></span></div> 73: <div class="line"><span class="preprocessor">#include "<a class="code" href="confuse_8h.html">confuse.h</a>"</span></div> 74: <div class="line"> </div> 75: <div class="line"><a name="_a0"></a><a class="code" href="structcfg__t.html">cfg_t</a> *cfg = 0;</div> 76: <div class="line"><span class="keyword">const</span> <span class="keywordtype">char</span> *config_filename = <span class="stringliteral">"./reread.conf"</span>;</div> 77: <div class="line"> </div> 78: <div class="line"><span class="keywordtype">void</span> read_config(<span class="keywordtype">void</span>)</div> 79: <div class="line">{</div> 80: <div class="line"> <span class="keyword">static</span> <a name="_a1"></a><a class="code" href="structcfg__opt__t.html">cfg_opt_t</a> arg_opts[] = {</div> 81: <div class="line"> <a name="a2"></a><a class="code" href="confuse_8h.html#a963e2ee16396dcf36f6d1937faa00f0c">CFG_STR</a>(<span class="stringliteral">"value"</span>, <span class="stringliteral">"default"</span>, <a name="a3"></a><a class="code" href="confuse_8h.html#a65df72d236bcc3e7f22c5b2b5c24bded">CFGF_NONE</a>),</div> 82: <div class="line"> <a name="a4"></a><a class="code" href="confuse_8h.html#a6b29dd8a4c6cd3d392d4ab6b2e535597">CFG_END</a>()</div> 83: <div class="line"> };</div> 84: <div class="line"> <a class="code" href="structcfg__opt__t.html">cfg_opt_t</a> opts[] = {</div> 85: <div class="line"> <a name="a5"></a><a class="code" href="confuse_8h.html#ac2b17561e944264c594ea0802e56d308">CFG_INT</a>(<span class="stringliteral">"delay"</span>, 3, <a class="code" href="confuse_8h.html#a65df72d236bcc3e7f22c5b2b5c24bded">CFGF_NONE</a>),</div> 86: <div class="line"> <a class="code" href="confuse_8h.html#a963e2ee16396dcf36f6d1937faa00f0c">CFG_STR</a>(<span class="stringliteral">"message"</span>, <span class="stringliteral">"This is a message"</span>, <a class="code" href="confuse_8h.html#a65df72d236bcc3e7f22c5b2b5c24bded">CFGF_NONE</a>),</div> 87: <div class="line"> <a name="a6"></a><a class="code" href="confuse_8h.html#a043d5c79624269e5f60f59a698e461a6">CFG_SEC</a>(<span class="stringliteral">"argument"</span>, arg_opts, <a name="a7"></a><a class="code" href="confuse_8h.html#a86b522a5daef5c07066b28f1585d2d77">CFGF_MULTI</a> | <a name="a8"></a><a class="code" href="confuse_8h.html#a65d20dbd5b778dd1bf3b3895206b4497">CFGF_TITLE</a>),</div> 88: <div class="line"> <a class="code" href="confuse_8h.html#a6b29dd8a4c6cd3d392d4ab6b2e535597">CFG_END</a>()</div> 89: <div class="line"> };</div> 90: <div class="line"> </div> 91: <div class="line"> <span class="keywordtype">char</span> *buf = <span class="stringliteral">""</span></div> 92: <div class="line"> <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>;</div> 93: <div class="line"> </div> 94: <div class="line"> <a name="a9"></a><a class="code" href="confuse_8h.html#aae5e08626bf53514a6ebf250580feba3">cfg_free</a>(cfg);</div> 95: <div class="line"> </div> 96: <div class="line"> cfg = <a name="a10"></a><a class="code" href="confuse_8h.html#aec07794916564c8ab437e030ac618aa8">cfg_init</a>(opts, 0);</div> 97: <div class="line"> <span class="keywordflow">if</span> (<a name="a11"></a><a class="code" href="confuse_8h.html#a6da020721a065f359cf343f014e7834c">cfg_parse_buf</a>(cfg, buf) != <a name="a12"></a><a class="code" href="confuse_8h.html#a66a1002180229809620b9bf2d3b888a6">CFG_SUCCESS</a>)</div> 98: <div class="line"> errx(1, <span class="stringliteral">"Failed parsing configuration!\n"</span>);</div> 99: <div class="line"> </div> 100: <div class="line"> <a name="a13"></a><a class="code" href="confuse_8h.html#a0fca327466956c5580199e24397d49fe">cfg_parse</a>(cfg, config_filename);</div> 101: <div class="line">}</div> 102: <div class="line"> </div> 103: <div class="line"><span class="keywordtype">void</span> sighandler(<span class="keywordtype">int</span> sig)</div> 104: <div class="line">{</div> 105: <div class="line"> read_config();</div> 106: <div class="line"> signal(SIGHUP, sighandler);</div> 107: <div class="line">}</div> 108: <div class="line"> </div> 109: <div class="line"><span class="keyword">static</span> <span class="keywordtype">int</span> loop = 1;</div> 110: <div class="line"> </div> 111: <div class="line"><span class="keywordtype">void</span> usr1handler(<span class="keywordtype">int</span> sig)</div> 112: <div class="line">{</div> 113: <div class="line"> loop = 0;</div> 114: <div class="line">}</div> 115: <div class="line"> </div> 116: <div class="line"><span class="keywordtype">int</span> main(<span class="keywordtype">void</span>)</div> 117: <div class="line">{</div> 118: <div class="line"> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i;</div> 119: <div class="line"> </div> 120: <div class="line"> <span class="comment">/* Localize messages & types according to environment, since v2.9 */</span></div> 121: <div class="line"><span class="preprocessor">#ifdef LC_MESSAGES</span></div> 122: <div class="line"> setlocale(LC_MESSAGES, <span class="stringliteral">""</span>);</div> 123: <div class="line"> setlocale(LC_CTYPE, <span class="stringliteral">""</span>);</div> 124: <div class="line"><span class="preprocessor">#endif</span></div> 125: <div class="line"> </div> 126: <div class="line"> read_config();</div> 127: <div class="line"> signal(SIGHUP, sighandler);</div> 128: <div class="line"> signal(SIGUSR1, usr1handler);</div> 129: <div class="line"> </div> 130: <div class="line"> <span class="keywordflow">while</span> (loop) {</div> 131: <div class="line"> printf(<span class="stringliteral">"Message: %s"</span>, <a name="a14"></a><a class="code" href="confuse_8h.html#a4a9c34acc55cca63649c088d98053905">cfg_getstr</a>(cfg, <span class="stringliteral">"message"</span>));</div> 132: <div class="line"> <span class="keywordflow">for</span> (i = 0; i < <a name="a15"></a><a class="code" href="confuse_8h.html#acb8b2b9aa7d9e2e3c0eca67ea27bed15">cfg_size</a>(cfg, <span class="stringliteral">"argument"</span>); i++) {</div> 133: <div class="line"> <a class="code" href="structcfg__t.html">cfg_t</a> *arg = <a name="a16"></a><a class="code" href="confuse_8h.html#ad5e8eea765588892053b73eed4017edd">cfg_getnsec</a>(cfg, <span class="stringliteral">"argument"</span>, i);</div> 134: <div class="line"> </div> 135: <div class="line"> printf(<span class="stringliteral">", %s"</span>, <a class="code" href="confuse_8h.html#a4a9c34acc55cca63649c088d98053905">cfg_getstr</a>(arg, <span class="stringliteral">"value"</span>));</div> 136: <div class="line"> }</div> 137: <div class="line"> printf(<span class="stringliteral">"\n"</span>);</div> 138: <div class="line"> </div> 139: <div class="line"> sleep(<a name="a17"></a><a class="code" href="confuse_8h.html#aaa50eb2942ae8e7cb7f9ccbfe002b3cd">cfg_getint</a>(cfg, <span class="stringliteral">"delay"</span>));</div> 140: <div class="line"> }</div> 141: <div class="line"> </div> 142: <div class="line"> <a class="code" href="confuse_8h.html#aae5e08626bf53514a6ebf250580feba3">cfg_free</a>(cfg);</div> 143: <div class="line"> cfg = 0;</div> 144: <div class="line"> </div> 145: <div class="line"> <span class="keywordflow">return</span> 0;</div> 146: <div class="line">}</div> 147: </div> </div> 148: <div class="ttc" id="aconfuse_8h_html_aec07794916564c8ab437e030ac618aa8"><div class="ttname"><a href="confuse_8h.html#aec07794916564c8ab437e030ac618aa8">cfg_init</a></div><div class="ttdeci">DLLIMPORT cfg_t *__export cfg_init(cfg_opt_t *opts, cfg_flag_t flags)</div><div class="ttdoc">Create and initialize a cfg_t structure.</div><div class="ttdef"><b>Definition:</b> confuse.c:1816</div></div> 149: <div class="ttc" id="aconfuse_8h_html_ac2b17561e944264c594ea0802e56d308"><div class="ttname"><a href="confuse_8h.html#ac2b17561e944264c594ea0802e56d308">CFG_INT</a></div><div class="ttdeci">#define CFG_INT(name, def, flags)</div><div class="ttdoc">Initialize an integer option.</div><div class="ttdef"><b>Definition:</b> confuse.h:421</div></div> 150: <div class="ttc" id="aconfuse_8h_html_acb8b2b9aa7d9e2e3c0eca67ea27bed15"><div class="ttname"><a href="confuse_8h.html#acb8b2b9aa7d9e2e3c0eca67ea27bed15">cfg_size</a></div><div class="ttdeci">DLLIMPORT unsigned int __export cfg_size(cfg_t *cfg, const char *name)</div><div class="ttdoc">Return the number of values this option has.</div><div class="ttdef"><b>Definition:</b> confuse.c:406</div></div> 151: <div class="ttc" id="aconfuse_8h_html_a6b29dd8a4c6cd3d392d4ab6b2e535597"><div class="ttname"><a href="confuse_8h.html#a6b29dd8a4c6cd3d392d4ab6b2e535597">CFG_END</a></div><div class="ttdeci">#define CFG_END()</div><div class="ttdoc">Terminate list of options.</div><div class="ttdef"><b>Definition:</b> confuse.h:574</div></div> 152: <div class="ttc" id="aconfuse_8h_html_a963e2ee16396dcf36f6d1937faa00f0c"><div class="ttname"><a href="confuse_8h.html#a963e2ee16396dcf36f6d1937faa00f0c">CFG_STR</a></div><div class="ttdeci">#define CFG_STR(name, def, flags)</div><div class="ttdoc">Initialize a string option.</div><div class="ttdef"><b>Definition:</b> confuse.h:340</div></div> 153: <div class="ttc" id="aconfuse_8h_html"><div class="ttname"><a href="confuse_8h.html">confuse.h</a></div><div class="ttdoc">A configuration file parser library.</div></div> 154: <div class="ttc" id="aconfuse_8h_html_a65d20dbd5b778dd1bf3b3895206b4497"><div class="ttname"><a href="confuse_8h.html#a65d20dbd5b778dd1bf3b3895206b4497">CFGF_TITLE</a></div><div class="ttdeci">#define CFGF_TITLE</div><div class="ttdoc">option has a title (only applies to sections)</div><div class="ttdef"><b>Definition:</b> confuse.h:90</div></div> 155: <div class="ttc" id="aconfuse_8h_html_a6da020721a065f359cf343f014e7834c"><div class="ttname"><a href="confuse_8h.html#a6da020721a065f359cf343f014e7834c">cfg_parse_buf</a></div><div class="ttdeci">DLLIMPORT int __export cfg_parse_buf(cfg_t *cfg, const char *buf)</div><div class="ttdoc">Same as cfg_parse() above, but takes a character buffer as argument.</div><div class="ttdef"><b>Definition:</b> confuse.c:1777</div></div> 156: <div class="ttc" id="aconfuse_8h_html_ad5e8eea765588892053b73eed4017edd"><div class="ttname"><a href="confuse_8h.html#ad5e8eea765588892053b73eed4017edd">cfg_getnsec</a></div><div class="ttdeci">DLLIMPORT cfg_t *__export cfg_getnsec(cfg_t *cfg, const char *name, unsigned int index)</div><div class="ttdoc">Indexed version of cfg_getsec(), used for sections with the CFGF_MULTI flag set.</div><div class="ttdef"><b>Definition:</b> confuse.c:563</div></div> 157: <div class="ttc" id="aconfuse_8h_html_a0fca327466956c5580199e24397d49fe"><div class="ttname"><a href="confuse_8h.html#a0fca327466956c5580199e24397d49fe">cfg_parse</a></div><div class="ttdeci">DLLIMPORT int __export cfg_parse(cfg_t *cfg, const char *filename)</div><div class="ttdoc">Parse a configuration file.</div><div class="ttdef"><b>Definition:</b> confuse.c:1746</div></div> 158: <div class="ttc" id="astructcfg__opt__t_html"><div class="ttname"><a href="structcfg__opt__t.html">cfg_opt_t</a></div><div class="ttdoc">Data structure holding information about an option.</div><div class="ttdef"><b>Definition:</b> confuse.h:309</div></div> 159: <div class="ttc" id="aconfuse_8h_html_a043d5c79624269e5f60f59a698e461a6"><div class="ttname"><a href="confuse_8h.html#a043d5c79624269e5f60f59a698e461a6">CFG_SEC</a></div><div class="ttdeci">#define CFG_SEC(name, opts, flags)</div><div class="ttdoc">Initialize a section.</div><div class="ttdef"><b>Definition:</b> confuse.h:527</div></div> 160: <div class="ttc" id="aconfuse_8h_html_a65df72d236bcc3e7f22c5b2b5c24bded"><div class="ttname"><a href="confuse_8h.html#a65df72d236bcc3e7f22c5b2b5c24bded">CFGF_NONE</a></div><div class="ttdeci">#define CFGF_NONE</div><div class="ttdoc">Flags.</div><div class="ttdef"><b>Definition:</b> confuse.h:86</div></div> 161: <div class="ttc" id="aconfuse_8h_html_a86b522a5daef5c07066b28f1585d2d77"><div class="ttname"><a href="confuse_8h.html#a86b522a5daef5c07066b28f1585d2d77">CFGF_MULTI</a></div><div class="ttdeci">#define CFGF_MULTI</div><div class="ttdoc">option may be specified multiple times (only applies to sections)</div><div class="ttdef"><b>Definition:</b> confuse.h:87</div></div> 162: <div class="ttc" id="astructcfg__t_html"><div class="ttname"><a href="structcfg__t.html">cfg_t</a></div><div class="ttdoc">Data structure holding information about a "section".</div><div class="ttdef"><b>Definition:</b> confuse.h:252</div></div> 163: <div class="ttc" id="aconfuse_8h_html_aaa50eb2942ae8e7cb7f9ccbfe002b3cd"><div class="ttname"><a href="confuse_8h.html#aaa50eb2942ae8e7cb7f9ccbfe002b3cd">cfg_getint</a></div><div class="ttdeci">DLLIMPORT long int __export cfg_getint(cfg_t *cfg, const char *name)</div><div class="ttdoc">Returns the value of an integer option.</div><div class="ttdef"><b>Definition:</b> confuse.c:444</div></div> 164: <div class="ttc" id="aconfuse_8h_html_aae5e08626bf53514a6ebf250580feba3"><div class="ttname"><a href="confuse_8h.html#aae5e08626bf53514a6ebf250580feba3">cfg_free</a></div><div class="ttdeci">DLLIMPORT int __export cfg_free(cfg_t *cfg)</div><div class="ttdoc">Free a cfg_t context.</div><div class="ttdef"><b>Definition:</b> confuse.c:1962</div></div> 165: <div class="ttc" id="aconfuse_8h_html_a66a1002180229809620b9bf2d3b888a6"><div class="ttname"><a href="confuse_8h.html#a66a1002180229809620b9bf2d3b888a6">CFG_SUCCESS</a></div><div class="ttdeci">#define CFG_SUCCESS</div><div class="ttdoc">Return codes from cfg_parse(), cfg_parse_boolean(), and cfg_set*() functions.</div><div class="ttdef"><b>Definition:</b> confuse.h:105</div></div> 166: <div class="ttc" id="aconfuse_8h_html_a4a9c34acc55cca63649c088d98053905"><div class="ttname"><a href="confuse_8h.html#a4a9c34acc55cca63649c088d98053905">cfg_getstr</a></div><div class="ttdeci">DLLIMPORT char *__export cfg_getstr(cfg_t *cfg, const char *name)</div><div class="ttdoc">Returns the value of a string option.</div><div class="ttdef"><b>Definition:</b> confuse.c:519</div></div> 167:  168: <hr class="footer"/><address class="footer"><small> 169: Generated by  <a href="http://www.doxygen.org/index.html"> 170: <img class="footer" src="doxygen.png" alt="doxygen"/> 171: </a> 1.8.17 172: </small></address> 173: </body> 174: </html>