%PDF- %PDF-
Mini Shell

Mini Shell

Direktori : /proc/self/root/usr/share/nagios/html/docs/
Upload File :
Create Path :
Current File : //proc/self/root/usr/share/nagios/html/docs/bitmap_8h.html

<!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: bitmap.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
   &#160;<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&#160;Page</span></a></li>
      <li><a href="pages.html"><span>Related&#160;Pages</span></a></li>
      <li><a href="annotated.html"><span>Data&#160;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 type="text" id="MSearchField" value="Search" accesskey="S"
               onfocus="searchBox.OnSearchFieldFocus(true)" 
               onblur="searchBox.OnSearchFieldFocus(false)" 
               onkeyup="searchBox.OnSearchFieldChange(event)"/>
          </span><span class="right">
            <a id="MSearchClose" href="javascript:searchBox.CloseResultsWindow()"><img id="MSearchCloseImg" border="0" src="search/close.png" alt=""/></a>
          </span>
        </div>
      </li>
    </ul>
  </div>
  <div id="navrow2" class="tabs2">
    <ul class="tablist">
      <li><a href="files.html"><span>File&#160;List</span></a></li>
      <li><a href="globals.html"><span>Globals</span></a></li>
    </ul>
  </div>
<!-- window showing the filter options -->
<div id="MSearchSelectWindow"
     onmouseover="return searchBox.OnSearchSelectShow()"
     onmouseout="return searchBox.OnSearchSelectHide()"
     onkeydown="return searchBox.OnSearchSelectKey(event)">
<a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(0)"><span class="SelectionMark">&#160;</span>All</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(1)"><span class="SelectionMark">&#160;</span>Data Structures</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(2)"><span class="SelectionMark">&#160;</span>Files</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(3)"><span class="SelectionMark">&#160;</span>Functions</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(4)"><span class="SelectionMark">&#160;</span>Variables</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(5)"><span class="SelectionMark">&#160;</span>Typedefs</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(6)"><span class="SelectionMark">&#160;</span>Macros</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(7)"><span class="SelectionMark">&#160;</span>Pages</a></div>

<!-- iframe showing the search results (closed by default) -->
<div id="MSearchResultsWindow">
<iframe 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">bitmap.h File Reference</div>  </div>
</div><!--header-->
<div class="contents">

<p>Bit map API.  
<a href="#details">More...</a></p>

<p><a href="bitmap_8h_source.html">Go to the source code of this file.</a></p>
<table class="memberdecls">
<tr class="memitem:ad57facf8258fd4874894e3c9ffce6fed"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ad57facf8258fd4874894e3c9ffce6fed"></a>
#define&#160;</td><td class="memItemRight" valign="bottom"><b>bitmap_size</b>&#160;&#160;&#160;<a class="el" href="bitmap_8h.html#a29975ed2f9842ae16eb2b56d3dde62cb">bitmap_cardinality</a></td></tr>
<tr class="separator:ad57facf8258fd4874894e3c9ffce6fed"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a4f7a61a8684d8ec6e44f9c134f9217bc"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a4f7a61a8684d8ec6e44f9c134f9217bc"></a>
typedef struct bitmap&#160;</td><td class="memItemRight" valign="bottom"><b>bitmap</b></td></tr>
<tr class="separator:a4f7a61a8684d8ec6e44f9c134f9217bc"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a320b74f09439cec263cb75097d404ef6"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="bitmap_8h.html#a320b74f09439cec263cb75097d404ef6">bitmap_resize</a> (bitmap *bm, unsigned long size)</td></tr>
<tr class="memdesc:a320b74f09439cec263cb75097d404ef6"><td class="mdescLeft">&#160;</td><td class="mdescRight">Resize a bitmap If the bitmap is made smaller, data will silently be lost.  <a href="#a320b74f09439cec263cb75097d404ef6">More...</a><br/></td></tr>
<tr class="separator:a320b74f09439cec263cb75097d404ef6"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a9001629114e98185f3de713bc128db79"><td class="memItemLeft" align="right" valign="top">bitmap *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="bitmap_8h.html#a9001629114e98185f3de713bc128db79">bitmap_create</a> (unsigned long size)</td></tr>
<tr class="memdesc:a9001629114e98185f3de713bc128db79"><td class="mdescLeft">&#160;</td><td class="mdescRight">Create a bitmaptor of size 'size'.  <a href="#a9001629114e98185f3de713bc128db79">More...</a><br/></td></tr>
<tr class="separator:a9001629114e98185f3de713bc128db79"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a58ee6def2e0c32c5da45523cd446eefe"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="bitmap_8h.html#a58ee6def2e0c32c5da45523cd446eefe">bitmap_destroy</a> (bitmap *bm)</td></tr>
<tr class="memdesc:a58ee6def2e0c32c5da45523cd446eefe"><td class="mdescLeft">&#160;</td><td class="mdescRight">Destroy a bitmaptor by freeing all the memory it uses.  <a href="#a58ee6def2e0c32c5da45523cd446eefe">More...</a><br/></td></tr>
<tr class="separator:a58ee6def2e0c32c5da45523cd446eefe"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:af5789a6348bf94b3b47d82717dc76cbc"><td class="memItemLeft" align="right" valign="top">bitmap *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="bitmap_8h.html#af5789a6348bf94b3b47d82717dc76cbc">bitmap_copy</a> (const bitmap *bm)</td></tr>
<tr class="memdesc:af5789a6348bf94b3b47d82717dc76cbc"><td class="mdescLeft">&#160;</td><td class="mdescRight">Copy a bitmaptor.  <a href="#af5789a6348bf94b3b47d82717dc76cbc">More...</a><br/></td></tr>
<tr class="separator:af5789a6348bf94b3b47d82717dc76cbc"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a7543817ea7a0f3ab5564470854face7f"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="bitmap_8h.html#a7543817ea7a0f3ab5564470854face7f">bitmap_set</a> (bitmap *bm, unsigned long pos)</td></tr>
<tr class="memdesc:a7543817ea7a0f3ab5564470854face7f"><td class="mdescLeft">&#160;</td><td class="mdescRight">Set a bit in the map.  <a href="#a7543817ea7a0f3ab5564470854face7f">More...</a><br/></td></tr>
<tr class="separator:a7543817ea7a0f3ab5564470854face7f"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ade96a1d41217133b0a126269a425f43c"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="bitmap_8h.html#ade96a1d41217133b0a126269a425f43c">bitmap_isset</a> (const bitmap *bm, unsigned long pos)</td></tr>
<tr class="memdesc:ade96a1d41217133b0a126269a425f43c"><td class="mdescLeft">&#160;</td><td class="mdescRight">Check if a particular bit is set in the map.  <a href="#ade96a1d41217133b0a126269a425f43c">More...</a><br/></td></tr>
<tr class="separator:ade96a1d41217133b0a126269a425f43c"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a7adb33826e021cfda5718653a92585cc"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="bitmap_8h.html#a7adb33826e021cfda5718653a92585cc">bitmap_unset</a> (bitmap *bm, unsigned long pos)</td></tr>
<tr class="memdesc:a7adb33826e021cfda5718653a92585cc"><td class="mdescLeft">&#160;</td><td class="mdescRight">Unset a particular bit in the map.  <a href="#a7adb33826e021cfda5718653a92585cc">More...</a><br/></td></tr>
<tr class="separator:a7adb33826e021cfda5718653a92585cc"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a29975ed2f9842ae16eb2b56d3dde62cb"><td class="memItemLeft" align="right" valign="top">unsigned long&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="bitmap_8h.html#a29975ed2f9842ae16eb2b56d3dde62cb">bitmap_cardinality</a> (const bitmap *bm)</td></tr>
<tr class="memdesc:a29975ed2f9842ae16eb2b56d3dde62cb"><td class="mdescLeft">&#160;</td><td class="mdescRight">Obtain cardinality (max number of elements) of the bitmaptor.  <a href="#a29975ed2f9842ae16eb2b56d3dde62cb">More...</a><br/></td></tr>
<tr class="separator:a29975ed2f9842ae16eb2b56d3dde62cb"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a36b34f5fe906fb8de09859f10ebbc12e"><td class="memItemLeft" align="right" valign="top">unsigned long&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="bitmap_8h.html#a36b34f5fe906fb8de09859f10ebbc12e">bitmap_count_set_bits</a> (const bitmap *bm)</td></tr>
<tr class="memdesc:a36b34f5fe906fb8de09859f10ebbc12e"><td class="mdescLeft">&#160;</td><td class="mdescRight">Count set bits in map.  <a href="#a36b34f5fe906fb8de09859f10ebbc12e">More...</a><br/></td></tr>
<tr class="separator:a36b34f5fe906fb8de09859f10ebbc12e"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a88fdad890d533243f692584f966ddb71"><td class="memItemLeft" align="right" valign="top">unsigned long&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="bitmap_8h.html#a88fdad890d533243f692584f966ddb71">bitmap_count_unset_bits</a> (const bitmap *bm)</td></tr>
<tr class="memdesc:a88fdad890d533243f692584f966ddb71"><td class="mdescLeft">&#160;</td><td class="mdescRight">Count unset bits in map.  <a href="#a88fdad890d533243f692584f966ddb71">More...</a><br/></td></tr>
<tr class="separator:a88fdad890d533243f692584f966ddb71"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a621e8f4bbc3401e6f833f5a3df904a66"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="bitmap_8h.html#a621e8f4bbc3401e6f833f5a3df904a66">bitmap_clear</a> (bitmap *bm)</td></tr>
<tr class="memdesc:a621e8f4bbc3401e6f833f5a3df904a66"><td class="mdescLeft">&#160;</td><td class="mdescRight">Unset all bits in a bitmap.  <a href="#a621e8f4bbc3401e6f833f5a3df904a66">More...</a><br/></td></tr>
<tr class="separator:a621e8f4bbc3401e6f833f5a3df904a66"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a3f3798a3c5b83114a16ad3225e695300"><td class="memItemLeft" align="right" valign="top">bitmap *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="bitmap_8h.html#a3f3798a3c5b83114a16ad3225e695300">bitmap_intersect</a> (const bitmap *a, const bitmap *b)</td></tr>
<tr class="memdesc:a3f3798a3c5b83114a16ad3225e695300"><td class="mdescLeft">&#160;</td><td class="mdescRight">Calculate intersection of two bitmaps The intersection is defined as all bits that are members of both A and B.  <a href="#a3f3798a3c5b83114a16ad3225e695300">More...</a><br/></td></tr>
<tr class="separator:a3f3798a3c5b83114a16ad3225e695300"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ae7912606995b5bd22452f23b843f0cd3"><td class="memItemLeft" align="right" valign="top">bitmap *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="bitmap_8h.html#ae7912606995b5bd22452f23b843f0cd3">bitmap_union</a> (const bitmap *a, const bitmap *b)</td></tr>
<tr class="memdesc:ae7912606995b5bd22452f23b843f0cd3"><td class="mdescLeft">&#160;</td><td class="mdescRight">Calculate union of two bitmaps The union is defined as all bits that are members of A or B or both A and B.  <a href="#ae7912606995b5bd22452f23b843f0cd3">More...</a><br/></td></tr>
<tr class="separator:ae7912606995b5bd22452f23b843f0cd3"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a6398726cbb15e5bcc3a1a20c09a1d620"><td class="memItemLeft" align="right" valign="top">bitmap *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="bitmap_8h.html#a6398726cbb15e5bcc3a1a20c09a1d620">bitmap_unite</a> (bitmap *res, const bitmap *addme)</td></tr>
<tr class="memdesc:a6398726cbb15e5bcc3a1a20c09a1d620"><td class="mdescLeft">&#160;</td><td class="mdescRight">Calculate union of two bitmaps and store result in one of them.  <a href="#a6398726cbb15e5bcc3a1a20c09a1d620">More...</a><br/></td></tr>
<tr class="separator:a6398726cbb15e5bcc3a1a20c09a1d620"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a5cc918f8a86d7ed60b99972deed2f9c1"><td class="memItemLeft" align="right" valign="top">bitmap *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="bitmap_8h.html#a5cc918f8a86d7ed60b99972deed2f9c1">bitmap_diff</a> (const bitmap *a, const bitmap *b)</td></tr>
<tr class="memdesc:a5cc918f8a86d7ed60b99972deed2f9c1"><td class="mdescLeft">&#160;</td><td class="mdescRight">Calculate set difference between two bitmaps The set difference of A / B is defined as all members of A that isn't members of B.  <a href="#a5cc918f8a86d7ed60b99972deed2f9c1">More...</a><br/></td></tr>
<tr class="separator:a5cc918f8a86d7ed60b99972deed2f9c1"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ab19ee1287ef544fc2720da707d8994af"><td class="memItemLeft" align="right" valign="top">bitmap *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="bitmap_8h.html#ab19ee1287ef544fc2720da707d8994af">bitmap_symdiff</a> (const bitmap *a, const bitmap *b)</td></tr>
<tr class="memdesc:ab19ee1287ef544fc2720da707d8994af"><td class="mdescLeft">&#160;</td><td class="mdescRight">Calculate symmetric difference between two bitmaps The symmetric difference between A and B is the set that contains all elements in either set but not in both.  <a href="#ab19ee1287ef544fc2720da707d8994af">More...</a><br/></td></tr>
<tr class="separator:ab19ee1287ef544fc2720da707d8994af"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ae8bd899daf6b1f890d6cc54f97f2cce0"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="bitmap_8h.html#ae8bd899daf6b1f890d6cc54f97f2cce0">bitmap_cmp</a> (const bitmap *a, const bitmap *b)</td></tr>
<tr class="memdesc:ae8bd899daf6b1f890d6cc54f97f2cce0"><td class="mdescLeft">&#160;</td><td class="mdescRight">Compare two bitmaps for equality.  <a href="#ae8bd899daf6b1f890d6cc54f97f2cce0">More...</a><br/></td></tr>
<tr class="separator:ae8bd899daf6b1f890d6cc54f97f2cce0"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Bit map API. </p>
<p>The bitmap api is useful for running set operations on objects indexed by unsigned integers. </p>
</div><h2 class="groupheader">Function Documentation</h2>
<a class="anchor" id="a29975ed2f9842ae16eb2b56d3dde62cb"></a>
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">unsigned long bitmap_cardinality </td>
          <td>(</td>
          <td class="paramtype">const bitmap *&#160;</td>
          <td class="paramname"><em>bm</em></td><td>)</td>
          <td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p>Obtain cardinality (max number of elements) of the bitmaptor. </p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">bm</td><td>The bitmaptor to check </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>The cardinality of the bitmaptor </dd></dl>

</div>
</div>
<a class="anchor" id="a621e8f4bbc3401e6f833f5a3df904a66"></a>
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">void bitmap_clear </td>
          <td>(</td>
          <td class="paramtype">bitmap *&#160;</td>
          <td class="paramname"><em>bm</em></td><td>)</td>
          <td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p>Unset all bits in a bitmap. </p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">bm</td><td>The bitmap to clear </td></tr>
  </table>
  </dd>
</dl>

</div>
</div>
<a class="anchor" id="ae8bd899daf6b1f890d6cc54f97f2cce0"></a>
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">int bitmap_cmp </td>
          <td>(</td>
          <td class="paramtype">const bitmap *&#160;</td>
          <td class="paramname"><em>a</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const bitmap *&#160;</td>
          <td class="paramname"><em>b</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p>Compare two bitmaps for equality. </p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">a</td><td>The first bitmaptor </td></tr>
    <tr><td class="paramname">b</td><td>The other bitmaptor </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>Similar to memcmp(), with tiebreaks determined by cardinality </dd></dl>

</div>
</div>
<a class="anchor" id="af5789a6348bf94b3b47d82717dc76cbc"></a>
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">bitmap* bitmap_copy </td>
          <td>(</td>
          <td class="paramtype">const bitmap *&#160;</td>
          <td class="paramname"><em>bm</em></td><td>)</td>
          <td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p>Copy a bitmaptor. </p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">bm</td><td>The bitmaptor to copy </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>Pointer to an identical bitmap on success, NULL on errors </dd></dl>

</div>
</div>
<a class="anchor" id="a36b34f5fe906fb8de09859f10ebbc12e"></a>
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">unsigned long bitmap_count_set_bits </td>
          <td>(</td>
          <td class="paramtype">const bitmap *&#160;</td>
          <td class="paramname"><em>bm</em></td><td>)</td>
          <td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p>Count set bits in map. </p>
<p>Completed in O(n/8) time. </p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">bm</td><td>The bitmaptor to count bits in </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>The number of set bits </dd></dl>

</div>
</div>
<a class="anchor" id="a88fdad890d533243f692584f966ddb71"></a>
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">unsigned long bitmap_count_unset_bits </td>
          <td>(</td>
          <td class="paramtype">const bitmap *&#160;</td>
          <td class="paramname"><em>bm</em></td><td>)</td>
          <td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p>Count unset bits in map. </p>
<p>Completed in O(n/8) time. </p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">bm</td><td>The bitmaptor to count bits in </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>The number of set bits </dd></dl>

</div>
</div>
<a class="anchor" id="a9001629114e98185f3de713bc128db79"></a>
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">bitmap* bitmap_create </td>
          <td>(</td>
          <td class="paramtype">unsigned long&#160;</td>
          <td class="paramname"><em>size</em></td><td>)</td>
          <td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p>Create a bitmaptor of size 'size'. </p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">size</td><td>Desired storage capacity </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>A bitmap pointer on success, NULL on errors </dd></dl>

</div>
</div>
<a class="anchor" id="a58ee6def2e0c32c5da45523cd446eefe"></a>
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">void bitmap_destroy </td>
          <td>(</td>
          <td class="paramtype">bitmap *&#160;</td>
          <td class="paramname"><em>bm</em></td><td>)</td>
          <td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p>Destroy a bitmaptor by freeing all the memory it uses. </p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">bm</td><td>The bitmaptor to destroy </td></tr>
  </table>
  </dd>
</dl>

</div>
</div>
<a class="anchor" id="a5cc918f8a86d7ed60b99972deed2f9c1"></a>
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">bitmap* bitmap_diff </td>
          <td>(</td>
          <td class="paramtype">const bitmap *&#160;</td>
          <td class="paramname"><em>a</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const bitmap *&#160;</td>
          <td class="paramname"><em>b</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p>Calculate set difference between two bitmaps The set difference of A / B is defined as all members of A that isn't members of B. </p>
<p>Note that parameter ordering matters for this function. This function completes in O(n/sizeof(long)) operations. </p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">a</td><td>The first bitmaptor (numerator) </td></tr>
    <tr><td class="paramname">b</td><td>The first bitmaptor (denominator) </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>NULL on errors; A newly created bitmaptor on success. </dd></dl>

</div>
</div>
<a class="anchor" id="a3f3798a3c5b83114a16ad3225e695300"></a>
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">bitmap* bitmap_intersect </td>
          <td>(</td>
          <td class="paramtype">const bitmap *&#160;</td>
          <td class="paramname"><em>a</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const bitmap *&#160;</td>
          <td class="paramname"><em>b</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p>Calculate intersection of two bitmaps The intersection is defined as all bits that are members of both A and B. </p>
<p>It's equivalent to bitwise AND. This function completes in O(n/sizeof(long)) operations. </p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">a</td><td>The first bitmaptor </td></tr>
    <tr><td class="paramname">b</td><td>The second bitmaptor </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>NULL on errors; A newly created bitmaptor on success. </dd></dl>

</div>
</div>
<a class="anchor" id="ade96a1d41217133b0a126269a425f43c"></a>
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">int bitmap_isset </td>
          <td>(</td>
          <td class="paramtype">const bitmap *&#160;</td>
          <td class="paramname"><em>bm</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">unsigned long&#160;</td>
          <td class="paramname"><em>pos</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p>Check if a particular bit is set in the map. </p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">bm</td><td>The bitmaptor to check </td></tr>
    <tr><td class="paramname">pos</td><td>Position of the bit to check </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>1 if set, otherwise 0 </dd></dl>

</div>
</div>
<a class="anchor" id="a320b74f09439cec263cb75097d404ef6"></a>
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">int bitmap_resize </td>
          <td>(</td>
          <td class="paramtype">bitmap *&#160;</td>
          <td class="paramname"><em>bm</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">unsigned long&#160;</td>
          <td class="paramname"><em>size</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p>Resize a bitmap If the bitmap is made smaller, data will silently be lost. </p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">bm</td><td>The bitmap to resize </td></tr>
    <tr><td class="paramname">size</td><td>The new desired size of the bitmap </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>0 on success, -1 on errors. </dd></dl>

</div>
</div>
<a class="anchor" id="a7543817ea7a0f3ab5564470854face7f"></a>
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">int bitmap_set </td>
          <td>(</td>
          <td class="paramtype">bitmap *&#160;</td>
          <td class="paramname"><em>bm</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">unsigned long&#160;</td>
          <td class="paramname"><em>pos</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p>Set a bit in the map. </p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">bm</td><td>The bitmaptor to operate on </td></tr>
    <tr><td class="paramname">pos</td><td>Position of the bit to set </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>0 on success, -1 on errors </dd></dl>

</div>
</div>
<a class="anchor" id="ab19ee1287ef544fc2720da707d8994af"></a>
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">bitmap* bitmap_symdiff </td>
          <td>(</td>
          <td class="paramtype">const bitmap *&#160;</td>
          <td class="paramname"><em>a</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const bitmap *&#160;</td>
          <td class="paramname"><em>b</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p>Calculate symmetric difference between two bitmaps The symmetric difference between A and B is the set that contains all elements in either set but not in both. </p>
<p>This function completes in O(n/sizeof(long)) operations. </p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">a</td><td>The first bitmaptor </td></tr>
    <tr><td class="paramname">b</td><td>The second bitmaptor </td></tr>
  </table>
  </dd>
</dl>

</div>
</div>
<a class="anchor" id="ae7912606995b5bd22452f23b843f0cd3"></a>
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">bitmap* bitmap_union </td>
          <td>(</td>
          <td class="paramtype">const bitmap *&#160;</td>
          <td class="paramname"><em>a</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const bitmap *&#160;</td>
          <td class="paramname"><em>b</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p>Calculate union of two bitmaps The union is defined as all bits that are members of A or B or both A and B. </p>
<p>It's equivalent to bitwise OR. This function completes in O(n/sizeof(long)) operations. </p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">a</td><td>The first bitmaptor </td></tr>
    <tr><td class="paramname">b</td><td>The second bitmaptor </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>NULL on errors; A newly created bitmaptor on success. </dd></dl>

</div>
</div>
<a class="anchor" id="a6398726cbb15e5bcc3a1a20c09a1d620"></a>
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">bitmap* bitmap_unite </td>
          <td>(</td>
          <td class="paramtype">bitmap *&#160;</td>
          <td class="paramname"><em>res</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const bitmap *&#160;</td>
          <td class="paramname"><em>addme</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p>Calculate union of two bitmaps and store result in one of them. </p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">res</td><td>The first bitmap </td></tr>
    <tr><td class="paramname">addme</td><td>The bitmap to unite to the first bitmap </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>NULL on errors, res on success </dd></dl>

</div>
</div>
<a class="anchor" id="a7adb33826e021cfda5718653a92585cc"></a>
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">int bitmap_unset </td>
          <td>(</td>
          <td class="paramtype">bitmap *&#160;</td>
          <td class="paramname"><em>bm</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">unsigned long&#160;</td>
          <td class="paramname"><em>pos</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p>Unset a particular bit in the map. </p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">bm</td><td>The bitmaptor to operate on </td></tr>
    <tr><td class="paramname">pos</td><td>Position of the bit to unset </td></tr>
  </table>
  </dd>
</dl>

</div>
</div>
</div><!-- contents -->
<!-- start footer part -->
<hr class="footer"/><address class="footer"><small>
Generated by &#160;<a href="http://www.doxygen.org/index.html">
<img class="footer" src="doxygen.png" alt="doxygen"/>
</a> 1.8.5
</small></address>
</body>
</html>

Zerion Mini Shell 1.0