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  25 <h1>src/rstp/bitmap.h</h1><a href="bitmap_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/************************************************************************ </span>
  26 <a name="l00002"></a>00002 <span class="comment"> * RSTP library - Rapid Spanning Tree (802.1t, 802.1w) </span>
  27 <a name="l00003"></a>00003 <span class="comment"> * Copyright (C) 2001-2003 Optical Access </span>
  28 <a name="l00004"></a>00004 <span class="comment"> * Author: Alex Rozin </span>
  29 <a name="l00005"></a>00005 <span class="comment"> * </span>
  30 <a name="l00006"></a>00006 <span class="comment"> * This file is part of RSTP library. </span>
  31 <a name="l00007"></a>00007 <span class="comment"> * </span>
  32 <a name="l00008"></a>00008 <span class="comment"> * RSTP library is free software; you can redistribute it and/or modify it </span>
  33 <a name="l00009"></a>00009 <span class="comment"> * under the terms of the GNU Lesser General Public License as published by the </span>
  34 <a name="l00010"></a>00010 <span class="comment"> * Free Software Foundation; version 2.1 </span>
  35 <a name="l00011"></a>00011 <span class="comment"> * </span>
  36 <a name="l00012"></a>00012 <span class="comment"> * RSTP library is distributed in the hope that it will be useful, but </span>
  37 <a name="l00013"></a>00013 <span class="comment"> * WITHOUT ANY WARRANTY; without even the implied warranty of </span>
  38 <a name="l00014"></a>00014 <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser </span>
  39 <a name="l00015"></a>00015 <span class="comment"> * General Public License for more details. </span>
  40 <a name="l00016"></a>00016 <span class="comment"> * </span>
  41 <a name="l00017"></a>00017 <span class="comment"> * You should have received a copy of the GNU Lesser General Public License </span>
  42 <a name="l00018"></a>00018 <span class="comment"> * along with RSTP library; see the file COPYING.  If not, write to the Free </span>
  43 <a name="l00019"></a>00019 <span class="comment"> * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA </span>
  44 <a name="l00020"></a>00020 <span class="comment"> * 02111-1307, USA. </span>
  45 <a name="l00021"></a>00021 <span class="comment"> **********************************************************************/</span>
  46 <a name="l00022"></a>00022
  47 <a name="l00023"></a>00023 <span class="preprocessor">#ifndef __BITMAP_H</span>
  48 <a name="l00024"></a>00024 <span class="preprocessor"></span><span class="preprocessor">#define __BITMAP_H</span>
  49 <a name="l00025"></a>00025 <span class="preprocessor"></span>
  50 <a name="l00026"></a><a class="code" href="bitmap_8h.html#a00f8a86f3bc21109096ba9da4712ac13">00026</a> <span class="preprocessor">#define NUMBER_OF_PORTS 4</span>
  51 <a name="l00027"></a>00027 <span class="preprocessor"></span>
  52 <a name="l00028"></a><a class="code" href="structtagBITMAP.html">00028</a> <span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="structtagBITMAP.html">tagBITMAP</a>
  53 <a name="l00029"></a>00029 {
  54 <a name="l00030"></a><a class="code" href="structtagBITMAP.html#a88f90e3dcbbe609f69a723f6811c99df">00030</a>   <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> <a class="code" href="structtagBITMAP.html#a88f90e3dcbbe609f69a723f6811c99df">part0</a>;     <span class="comment">/* Least Significant part */</span>
  55 <a name="l00031"></a>00031 } <a class="code" href="structtagBITMAP.html">BITMAP_T</a>;
  56 <a name="l00032"></a>00032
  57 <a name="l00033"></a><a class="code" href="bitmap_8h.html#ab29422ea15b829a539b64c5b655415b9">00033</a> <span class="preprocessor">#define BitmapClear(BitmapPtr) \</span>
  58 <a name="l00034"></a>00034 <span class="preprocessor">        { (BitmapPtr)-&gt;part0 = 0; }</span>
  59 <a name="l00035"></a>00035 <span class="preprocessor"></span>
  60 <a name="l00036"></a><a class="code" href="bitmap_8h.html#a059b289e74985b853c502af3fc7787d3">00036</a> <span class="preprocessor">#define BitmapSetAllBits(BitmapPtr) \</span>
  61 <a name="l00037"></a>00037 <span class="preprocessor">        { (BitmapPtr)-&gt;part0 = 0xF; }</span>
  62 <a name="l00038"></a>00038 <span class="preprocessor"></span>
  63 <a name="l00039"></a><a class="code" href="bitmap_8h.html#a6aaa5c8a51dbc220e4f9ccf57b31d1dd">00039</a> <span class="preprocessor">#define BitmapClearBits(BitmapPtr,BitmapBitsPtr) \</span>
  64 <a name="l00040"></a>00040 <span class="preprocessor">        { (BitmapPtr)-&gt;part0 &amp;= ~((BitmapBitsPtr)-&gt;part0); }</span>
  65 <a name="l00041"></a>00041 <span class="preprocessor"></span>
  66 <a name="l00042"></a><a class="code" href="bitmap_8h.html#a77103ef2ed1c44f144cf11dd15af631d">00042</a> <span class="preprocessor">#define BitmapSetBits(BitmapPtr,BitmapBitsPtr) \</span>
  67 <a name="l00043"></a>00043 <span class="preprocessor">        { (BitmapPtr)-&gt;part0 |= ((BitmapBitsPtr)-&gt;part0); }</span>
  68 <a name="l00044"></a>00044 <span class="preprocessor"></span>
  69 <a name="l00045"></a><a class="code" href="bitmap_8h.html#a40ce4019ab4b3cd7a86e03525501ec1b">00045</a> <span class="preprocessor">#define BitmapOr(ResultPtr,BitmapPtr1,BitmapPtr2) \</span>
  70 <a name="l00046"></a>00046 <span class="preprocessor">        { (ResultPtr)-&gt;part0 = (BitmapPtr1)-&gt;part0 | (BitmapPtr2)-&gt;part0; }</span>
  71 <a name="l00047"></a>00047 <span class="preprocessor"></span>
  72 <a name="l00048"></a><a class="code" href="bitmap_8h.html#a01aec92d4bbb0c00eb593ec07399cc63">00048</a> <span class="preprocessor">#define BitmapAnd(ResultPtr,BitmapPtr1,BitmapPtr2) \</span>
  73 <a name="l00049"></a>00049 <span class="preprocessor">        { (ResultPtr)-&gt;part0 = (BitmapPtr1)-&gt;part0 &amp; (BitmapPtr2)-&gt;part0; }</span>
  74 <a name="l00050"></a>00050 <span class="preprocessor"></span>
  75 <a name="l00051"></a><a class="code" href="bitmap_8h.html#adad1c02885aa3c91f8e8b41b561971ff">00051</a> <span class="preprocessor">#define BitmapNot(ResultPtr,BitmapPtr) \</span>
  76 <a name="l00052"></a>00052 <span class="preprocessor">        { (ResultPtr)-&gt;part0 = ~((BitmapPtr)-&gt;part0); }</span>
  77 <a name="l00053"></a>00053 <span class="preprocessor"></span>
  78 <a name="l00054"></a>00054
  79 <a name="l00055"></a>00055 <span class="comment">/* Return zero if identical */</span>
  80 <a name="l00056"></a><a class="code" href="bitmap_8h.html#a59cf1a5da2d65084efc0d33641e72e37">00056</a> <span class="preprocessor">#define BitmapCmp(BitmapPtr1,BitmapPtr2) \</span>
  81 <a name="l00057"></a>00057 <span class="preprocessor">        ((BitmapPtr1)-&gt;part0 != (BitmapPtr2)-&gt;part0) </span>
  82 <a name="l00058"></a>00058 <span class="preprocessor"></span>
  83 <a name="l00059"></a><a class="code" href="bitmap_8h.html#ad7ed0022f8c1f5084e1d038994119167">00059</a> <span class="preprocessor">#define BitmapIsZero(BitmapPtr) \</span>
  84 <a name="l00060"></a>00060 <span class="preprocessor">        (!(BitmapPtr)-&gt;part0)</span>
  85 <a name="l00061"></a>00061 <span class="preprocessor"></span>
  86 <a name="l00062"></a><a class="code" href="bitmap_8h.html#ab5437394f6c1c3125327b927e5c4a6a6">00062</a> <span class="preprocessor">#define BitmapIsAllOnes(BitmapPtr) \</span>
  87 <a name="l00063"></a>00063 <span class="preprocessor">        ((BitmapPtr)-&gt;part0 == 0xF)</span>
  88 <a name="l00064"></a>00064 <span class="preprocessor"></span>
  89 <a name="l00065"></a><a class="code" href="bitmap_8h.html#ae9bacb64cc0c534bba780fe50a4dff42">00065</a> <span class="preprocessor">#define BitmapGetBit(BitmapPtr,Bit) \</span>
  90 <a name="l00066"></a>00066 <span class="preprocessor">         ((BitmapPtr)-&gt;part0 &amp; (1 &lt;&lt; (Bit)))</span>
  91 <a name="l00067"></a>00067 <span class="preprocessor"></span>
  92 <a name="l00068"></a>00068 <span class="comment">/* Bit range [0 .. 63] */</span>
  93 <a name="l00069"></a><a class="code" href="bitmap_8h.html#ae9694ff688a38a0a9e47d79f02112175">00069</a> <span class="preprocessor">#define BitmapSetBit(BitmapPtr,Bit) \</span>
  94 <a name="l00070"></a>00070 <span class="preprocessor">    {(BitmapPtr)-&gt;part0 |= (1 &lt;&lt; (Bit)); }</span>
  95 <a name="l00071"></a>00071 <span class="preprocessor"></span>
  96 <a name="l00072"></a><a class="code" href="bitmap_8h.html#a1db13c1a8ea7e0273b972a595ae16161">00072</a> <span class="preprocessor">#define BitmapClearBit(BitmapPtr,Bit) \</span>
  97 <a name="l00073"></a>00073 <span class="preprocessor">    (BitmapPtr)-&gt;part0 &amp;= ~(1 &lt;&lt; (Bit));</span>
  98 <a name="l00074"></a>00074 <span class="preprocessor"></span>
  99 <a name="l00075"></a><a class="code" href="bitmap_8h.html#aa464665b8782046e0c12bfb4c144a218">00075</a> <span class="preprocessor">#define BitmapCopy(BitmapDstPtr,BitmapSrcPtr) \</span>
 100 <a name="l00076"></a>00076 <span class="preprocessor">        { (BitmapDstPtr)-&gt;part0 = (BitmapSrcPtr)-&gt;part0; }</span>
 101 <a name="l00077"></a>00077 <span class="preprocessor"></span>
 102 <a name="l00078"></a><a class="code" href="bitmap_8h.html#a1c7bb39c53e524e7011dcf66bdfa6346">00078</a> <span class="preprocessor">#define BitmapXor(ResultPtr,BitmapPtr1,BitmapPtr2) \</span>
 103 <a name="l00079"></a>00079 <span class="preprocessor">        { (ResultPtr)-&gt;part0 = (BitmapPtr1)-&gt;part0 ^ (BitmapPtr2)-&gt;part0; }</span>
 104 <a name="l00080"></a>00080 <span class="preprocessor"></span>
 105 <a name="l00081"></a>00081 <span class="preprocessor">#endif </span><span class="comment">/* __BITMAP_H */</span>
 106 <a name="l00082"></a>00082
 107 </pre></div></div>
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