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<!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"/> <meta http-equiv="X-UA-Compatible" content="IE=9"/> <meta name="generator" content="Doxygen 1.8.5"/> <title>Nagios: lnag-utils.h File Reference</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="jquery.js"></script> <script type="text/javascript" src="dynsections.js"></script> <link href="search/search.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="search/search.js"></script> <script type="text/javascript"> $(document).ready(function() { searchBox.OnSelectItem(0); }); </script> <link href="doxygen.css" rel="stylesheet" type="text/css" /> </head> <body> <div id="top"><!-- do not remove this div, it is closed by doxygen! --> <div id="titlearea"> <table cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 56px;"> <td style="padding-left: 0.5em;"> <div id="projectname">Nagios  <span id="projectnumber">4.4.3</span> </div> <div id="projectbrief">Dev docs for Nagios core and neb-module hackers</div> </td> </tr> </tbody> </table> </div> <!-- end header part --> <!-- Generated by Doxygen 1.8.5 --> <script type="text/javascript"> var searchBox = new SearchBox("searchBox", "search",false,'Search'); </script> <div id="navrow1" class="tabs"> <ul class="tablist"> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="pages.html"><span>Related Pages</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> <div id="MSearchBox" class="MSearchBoxInactive"> <span class="left"> <img id="MSearchSelect" src="search/mag_sel.png" onmouseover="return searchBox.OnSearchSelectShow()" onmouseout="return searchBox.OnSearchSelectHide()" alt=""/> <input 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src="javascript:void(0)" frameborder="0" name="MSearchResults" id="MSearchResults"> </iframe> </div> <div id="nav-path" class="navpath"> <ul> <li class="navelem"><a class="el" href="dir_97aefd0d527b934f1d99a682da8fe6a9.html">lib</a></li> </ul> </div> </div><!-- top --> <div class="header"> <div class="headertitle"> <div class="title">lnag-utils.h File Reference</div> </div> </div><!--header--> <div class="contents"> <p>libnagios helper and compatibility macros that lack a "real" home. <a href="#details">More...</a></p> <div class="textblock"><code>#include <unistd.h></code><br/> <code>#include <stdlib.h></code><br/> </div> <p><a href="lnag-utils_8h_source.html">Go to the source code of this file.</a></p> <table class="memberdecls"> <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="define-members"></a> Macros</h2></td></tr> <tr><td colspan="2"><div class="groupHeader"></div></td></tr> <tr class="memitem:a9656e4be428ef5cdcf3462f2ae783cc0"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a9656e4be428ef5cdcf3462f2ae783cc0"></a> #define </td><td class="memItemRight" valign="bottom"><b>NAGIOS_MKVERSION</b>(a, b, c)   (((a) * 10000) + ((b) * 100) + (c))</td></tr> <tr class="separator:a9656e4be428ef5cdcf3462f2ae783cc0"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:aa15a8af3588df950f89ef7dc6eda43a8"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aa15a8af3588df950f89ef7dc6eda43a8"></a> #define </td><td class="memItemRight" valign="bottom"><a class="el" href="lnag-utils_8h.html#aa15a8af3588df950f89ef7dc6eda43a8">NAGIOS_BEGIN_DECL</a>   /* nothing */</td></tr> <tr class="memdesc:aa15a8af3588df950f89ef7dc6eda43a8"><td class="mdescLeft"> </td><td class="mdescRight">C++ compatibility macro that avoids confusing indentation programs. <br/></td></tr> <tr class="separator:aa15a8af3588df950f89ef7dc6eda43a8"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a153dc411eb3334b8f7da41668144ce82"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a153dc411eb3334b8f7da41668144ce82"></a> #define </td><td class="memItemRight" valign="bottom"><a class="el" href="lnag-utils_8h.html#a153dc411eb3334b8f7da41668144ce82">NAGIOS_END_DECL</a>   /* more of nothing */</td></tr> <tr class="memdesc:a153dc411eb3334b8f7da41668144ce82"><td class="mdescLeft"> </td><td class="mdescRight">C++ compatibility macro that avoid confusing indentation programs. <br/></td></tr> <tr class="separator:a153dc411eb3334b8f7da41668144ce82"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ab1c122883af9d26c0acf5f6ca8f5ce8c"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ab1c122883af9d26c0acf5f6ca8f5ce8c"></a> #define </td><td class="memItemRight" valign="bottom"><a class="el" href="lnag-utils_8h.html#ab1c122883af9d26c0acf5f6ca8f5ce8c">NAGIOS_DEPRECATED</a>(version, hint)   __attribute__((deprecated))</td></tr> <tr class="memdesc:ab1c122883af9d26c0acf5f6ca8f5ce8c"><td class="mdescLeft"> </td><td class="mdescRight">Macro for alerting module authors to function deprecation. <br/></td></tr> <tr class="separator:ab1c122883af9d26c0acf5f6ca8f5ce8c"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:aba51915c87d64af47fb1cc59348961c9"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aba51915c87d64af47fb1cc59348961c9"></a> #define </td><td class="memItemRight" valign="bottom"><a class="el" href="lnag-utils_8h.html#aba51915c87d64af47fb1cc59348961c9">OK</a>   0</td></tr> <tr class="memdesc:aba51915c87d64af47fb1cc59348961c9"><td class="mdescLeft"> </td><td class="mdescRight">Indicates successful function call in Nagios. <br/></td></tr> <tr class="separator:aba51915c87d64af47fb1cc59348961c9"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a8fe83ac76edc595f6b98cd4a4127aed5"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a8fe83ac76edc595f6b98cd4a4127aed5"></a> #define </td><td class="memItemRight" valign="bottom"><a class="el" href="lnag-utils_8h.html#a8fe83ac76edc595f6b98cd4a4127aed5">ERROR</a>   -2</td></tr> <tr class="memdesc:a8fe83ac76edc595f6b98cd4a4127aed5"><td class="mdescLeft"> </td><td class="mdescRight">Non-successful function call in Nagios. <br/></td></tr> <tr class="separator:a8fe83ac76edc595f6b98cd4a4127aed5"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:aa93f0eb578d23995850d61f7d61c55c1"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aa93f0eb578d23995850d61f7d61c55c1"></a> #define </td><td class="memItemRight" valign="bottom"><a class="el" href="lnag-utils_8h.html#aa93f0eb578d23995850d61f7d61c55c1">FALSE</a>   0</td></tr> <tr class="memdesc:aa93f0eb578d23995850d61f7d61c55c1"><td class="mdescLeft"> </td><td class="mdescRight">Not true. <br/></td></tr> <tr class="separator:aa93f0eb578d23995850d61f7d61c55c1"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:aa8cecfc5c5c054d2875c03e77b7be15d"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aa8cecfc5c5c054d2875c03e77b7be15d"></a> #define </td><td class="memItemRight" valign="bottom"><a class="el" href="lnag-utils_8h.html#aa8cecfc5c5c054d2875c03e77b7be15d">TRUE</a>   (!<a class="el" href="lnag-utils_8h.html#aa93f0eb578d23995850d61f7d61c55c1">FALSE</a>)</td></tr> <tr class="memdesc:aa8cecfc5c5c054d2875c03e77b7be15d"><td class="mdescLeft"> </td><td class="mdescRight">Not false. <br/></td></tr> <tr class="separator:aa8cecfc5c5c054d2875c03e77b7be15d"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a9b12a99aae3efc49af9be50afc17b526"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a9b12a99aae3efc49af9be50afc17b526"></a> #define </td><td class="memItemRight" valign="bottom"><a class="el" href="lnag-utils_8h.html#a9b12a99aae3efc49af9be50afc17b526">my_free</a>(ptr)   do { if(ptr) { free(ptr); ptr = NULL; } } while(0)</td></tr> <tr class="memdesc:a9b12a99aae3efc49af9be50afc17b526"><td class="mdescLeft"> </td><td class="mdescRight">Useful macro to safely avoid double-free memory corruption. <br/></td></tr> <tr class="separator:a9b12a99aae3efc49af9be50afc17b526"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a6242a25f9d996f0cc4f4cdb911218b75"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a6242a25f9d996f0cc4f4cdb911218b75"></a> #define </td><td class="memItemRight" valign="bottom"><a class="el" href="lnag-utils_8h.html#a6242a25f9d996f0cc4f4cdb911218b75">ARRAY_SIZE</a>(x)   (sizeof(x) / sizeof(x[0]))</td></tr> <tr class="memdesc:a6242a25f9d996f0cc4f4cdb911218b75"><td class="mdescLeft"> </td><td class="mdescRight">Useful for iterating over all elements in a static array. <br/></td></tr> <tr class="separator:a6242a25f9d996f0cc4f4cdb911218b75"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a1e5e4a113a5db9f1557e8831384dcccb"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a1e5e4a113a5db9f1557e8831384dcccb"></a> #define </td><td class="memItemRight" valign="bottom"><a class="el" href="lnag-utils_8h.html#a1e5e4a113a5db9f1557e8831384dcccb">veclen</a>   <a class="el" href="lnag-utils_8h.html#a6242a25f9d996f0cc4f4cdb911218b75">ARRAY_SIZE</a></td></tr> <tr class="memdesc:a1e5e4a113a5db9f1557e8831384dcccb"><td class="mdescLeft"> </td><td class="mdescRight">useful for iterating over all elements in a static array <br/></td></tr> <tr class="separator:a1e5e4a113a5db9f1557e8831384dcccb"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a653b84fc771db76754d386863feba6d5"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a653b84fc771db76754d386863feba6d5"></a> #define </td><td class="memItemRight" valign="bottom"><a class="el" href="lnag-utils_8h.html#a653b84fc771db76754d386863feba6d5">offsetof</a>(t, f)   ((unsigned long)&((t *)0)->f)</td></tr> <tr class="memdesc:a653b84fc771db76754d386863feba6d5"><td class="mdescLeft"> </td><td class="mdescRight">standard offsetof macro <br/></td></tr> <tr class="separator:a653b84fc771db76754d386863feba6d5"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a4e824af16bab56a1c8a21e7352aff5cd"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="lnag-utils_8h.html#a4e824af16bab56a1c8a21e7352aff5cd">CHAR_MAP_INIT</a>(k)</td></tr> <tr class="memdesc:a4e824af16bab56a1c8a21e7352aff5cd"><td class="mdescLeft"> </td><td class="mdescRight">character map initialization for .bss-allocated char maps <a href="#a4e824af16bab56a1c8a21e7352aff5cd">More...</a><br/></td></tr> <tr class="separator:a4e824af16bab56a1c8a21e7352aff5cd"><td class="memSeparator" colspan="2"> </td></tr> </table> <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2> <div class="textblock"><p>libnagios helper and compatibility macros that lack a "real" home. </p> <p>This is the home of random macros that must be present for compilation to succeed but are missing on some platforms. </p> </div><h2 class="groupheader">Macro Definition Documentation</h2> <a class="anchor" id="a4e824af16bab56a1c8a21e7352aff5cd"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">#define CHAR_MAP_INIT</td> <td>(</td> <td class="paramtype"> </td> <td class="paramname">k</td><td>)</td> <td></td> </tr> </table> </div><div class="memdoc"> <b>Value:</b><div class="fragment"><div class="line">{ \</div> <div class="line"> k, k, k, k, k, k, k, k, k, k, k, k, k, k, k, k, \</div> <div class="line"> k, k, k, k, k, k, k, k, k, k, k, k, k, k, k, k, \</div> <div class="line"> k, k, k, k, k, k, k, k, k, k, k, k, k, k, k, k, \</div> <div class="line"> k, k, k, k, k, k, k, k, k, k, k, k, k, k, k, k, \</div> <div class="line"> k, k, k, k, k, k, k, k, k, k, k, k, k, k, k, k, \</div> <div class="line"> k, k, k, k, k, k, k, k, k, k, k, k, k, k, k, k, \</div> <div class="line"> k, k, k, k, k, k, k, k, k, k, k, k, k, k, k, k, \</div> <div class="line"> k, k, k, k, k, k, k, k, k, k, k, k, k, k, k, k, \</div> <div class="line"> k, k, k, k, k, k, k, k, k, k, k, k, k, k, k, k, \</div> <div class="line"> k, k, k, k, k, k, k, k, k, k, k, k, k, k, k, k, \</div> <div class="line"> k, k, k, k, k, k, k, k, k, k, k, k, k, k, k, k, \</div> <div class="line"> k, k, k, k, k, k, k, k, k, k, k, k, k, k, k, k, \</div> <div class="line"> k, k, k, k, k, k, k, k, k, k, k, k, k, k, k, k, \</div> <div class="line"> k, k, k, k, k, k, k, k, k, k, k, k, k, k, k, k, \</div> <div class="line"> k, k, k, k, k, k, k, k, k, k, k, k, k, k, k, k, \</div> <div class="line"> k, k, k, k, k, k, k, k, k, k, k, k, k, k, k, k, \</div> <div class="line"> }</div> </div><!-- fragment --> <p>character map initialization for .bss-allocated char maps </p> </div> </div> </div><!-- contents --> <!-- start footer part --> <hr class="footer"/><address class="footer"><small> Generated by  <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/> </a> 1.8.5 </small></address> </body> </html>