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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * Copyright 2010 Red Hat Inc., Durham, North Carolina.</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * All Rights Reserved.</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * This library is free software; you can redistribute it and/or</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * modify it under the terms of the GNU Lesser General Public</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * License as published by the Free Software Foundation; either</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * version 2.1 of the License, or (at your option) any later version.</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * This library is distributed in the hope that it will be useful,</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * Lesser General Public License for more details.</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * You should have received a copy of the GNU Lesser General Public</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * License along with this library; if not, write to the Free Software</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> * Authors:</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> * "Daniel Kopecek" <dkopecek@redhat.com></span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#ifndef RBT_COMMON_H</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor"></span><span class="preprocessor">#define RBT_COMMON_H</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#ifdef HAVE_CONFIG_H</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor"></span><span class="preprocessor">#include <config.h></span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include <stdint.h></span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include <stdbool.h></span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> </div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#if defined(RBT_IMPLICIT_LOCKING)</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor"></span><span class="preprocessor"># include <pthread.h></span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#ifndef HAVE_POSIX_MEMALIGN</span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor"></span><span class="preprocessor"># ifdef HAVE_MEMALIGN</span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor"></span><span class="keywordtype">int</span> posix_memalign(<span class="keywordtype">void</span> **memptr, <span class="keywordtype">size_t</span> alignment, <span class="keywordtype">size_t</span> size);</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor"># endif </span><span class="comment">/* HAVE_MEMALIGN */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="preprocessor"></span><span class="preprocessor">#endif </span><span class="comment">/* HAVE_POSIX_MEMALIGN */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="keyword">typedef</span> <span class="keyword">enum</span> {</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  RBT_GENKEY,</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  RBT_STRKEY,</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  RBT_I32KEY,</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  RBT_I64KEY</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> } rbt_type_t;</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> </div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="keyword">typedef</span> <span class="keyword">enum</span> {</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  RBT_WALK_PREORDER = 0x01,</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  RBT_WALK_INORDER = 0x02,</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  RBT_WALK_POSTORDER = 0x03,</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  RBT_WALK_LEVELORDER = 0x04,</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  RBT_WALK_RAWNODE = 0x10</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> } rbt_walk_t;</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> </div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="preprocessor">#define RBT_WALK_TYPEMASK 0x0f</span></div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="preprocessor"></span><span class="preprocessor">#define RBT_WALK_FLAGMASK 0xf0</span></div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00064"></a><span class="lineno"><a class="code" href="structrbt__node.html"> 64</a></span> <span class="keyword">struct </span><a class="code" href="structrbt__node.html" title="Generic node structure Lowest bit of _chld[0] holds the color bit.">rbt_node</a> {</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keyword">struct </span><a class="code" href="structrbt__node.html" title="Generic node structure Lowest bit of _chld[0] holds the color bit.">rbt_node</a> *_chld[2];</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  uint8_t _node[];</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> };</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> </div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="preprocessor">#define RBT_NODE_CB 0</span></div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="preprocessor"></span><span class="preprocessor">#define RBT_NODE_CR 1</span></div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="preprocessor"></span><span class="preprocessor">#define RBT_NODE_SL 0</span></div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="preprocessor"></span><span class="preprocessor">#define RBT_NODE_SR 1</span></div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <a class="code" href="struct____attribute____.html">__attribute__</a>((pure)) static inline struct <a class="code" href="structrbt__node.html" title="Generic node structure Lowest bit of _chld[0] holds the color bit.">rbt_node</a> *rbt_node_ptr(const struct <a class="code" href="structrbt__node.html" title="Generic node structure Lowest bit of _chld[0] holds the color bit.">rbt_node</a> *nodep)</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> {</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keyword">register</span> uintptr_t nodep_uint = (uintptr_t)(nodep);</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  nodep_uint &= UINTPTR_MAX << 1;</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keywordflow">return</span> (<span class="keyword">struct</span> <a class="code" href="structrbt__node.html" title="Generic node structure Lowest bit of _chld[0] holds the color bit.">rbt_node</a> *)(nodep_uint);</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> }</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span> </div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span> <span class="preprocessor">#define rbt_node_setptr(dst,src) (dst) = (struct rbt_node *)((uintptr_t)rbt_node_ptr(src)|((uintptr_t)(dst)&1))</span></div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <span class="preprocessor">#define rbt_node_setcolor(np, cb) \</span></div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span> <span class="preprocessor"> do { \</span></div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span> <span class="preprocessor"> register struct rbt_node *__n = rbt_node_ptr(np); \</span></div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span> <span class="preprocessor"> register uint8_t __c = (cb) & 1; \</span></div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span> <span class="preprocessor"> \</span></div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span> <span class="preprocessor"> if (__n != NULL) { \</span></div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> <span class="preprocessor"> if (__c) __n->_chld[0] = (struct rbt_node *)((uintptr_t)(__n->_chld[0]) | 1); \</span></div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span> <span class="preprocessor"> else __n->_chld[0] = rbt_node_ptr(__n->_chld[0]); \</span></div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> <span class="preprocessor"> } \</span></div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span> <span class="preprocessor"> } while(0)</span></div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span> <span class="preprocessor"></span><span class="preprocessor">#define rbt_node_getcolor_raw(cp) ((uintptr_t)(cp) & 1)</span></div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span> <span class="preprocessor"></span><span class="preprocessor">#define rbt_node_getcolor(np) (rbt_node_ptr(np) == NULL ? RBT_NODE_CB : rbt_node_getcolor_raw(rbt_node_ptr(np)->_chld[0]))</span></div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span> <span class="preprocessor"></span><span class="preprocessor">#define rbt_node_cpycolor(dn, sn) rbt_node_setcolor((dn), rbt_node_getcolor(sn))</span></div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span> <span class="preprocessor">#define rbt_hpush4(__a, __p) \</span></div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span> <span class="preprocessor"> do { \</span></div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span> <span class="preprocessor"> __a[3] = __a[2]; \</span></div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span> <span class="preprocessor"> __a[2] = __a[1]; \</span></div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span> <span class="preprocessor"> __a[1] = __a[0]; \</span></div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span> <span class="preprocessor"> __a[0] = __p; \</span></div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span> <span class="preprocessor"> } while(0)</span></div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span> <span class="preprocessor">#define rbt_hpush3(__a, __p) \</span></div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="preprocessor"> do { \</span></div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span> <span class="preprocessor"> __a[2] = __a[1]; \</span></div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span> <span class="preprocessor"> __a[1] = __a[0]; \</span></div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span> <span class="preprocessor"> __a[0] = __p; \</span></div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span> <span class="preprocessor"> } while(0)</span></div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span> <span class="preprocessor">#define rbt_redfix(__h, __d, v) \</span></div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span> <span class="preprocessor"> do { \</span></div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span> <span class="preprocessor"> if (((__d) & 3) < 2) { \</span></div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span> <span class="preprocessor"> if (((__d) & 3) == 0) { \</span></div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span> <span class="preprocessor"> rbt_node_setptr(v, rbt_node_rotate_R(__h[2])); \</span></div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span> <span class="preprocessor"> } else { \</span></div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span> <span class="preprocessor"> rbt_node_setptr(v, rbt_node_rotate_RL(__h[2])); \</span></div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span> <span class="preprocessor"> } \</span></div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span> <span class="preprocessor"> } else { \</span></div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span> <span class="preprocessor"> if (((__d) & 3) == 2) { \</span></div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span> <span class="preprocessor"> rbt_node_setptr(v, rbt_node_rotate_LR(__h[2])); \</span></div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span> <span class="preprocessor"> } else { \</span></div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span> <span class="preprocessor"> rbt_node_setptr(v, rbt_node_rotate_L(__h[2])); \</span></div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span> <span class="preprocessor"> } \</span></div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span> <span class="preprocessor"> } \</span></div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span> <span class="preprocessor"> } while(0)</span></div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00129"></a><span class="lineno"><a class="code" href="structrbt.html"> 129</a></span> <span class="keyword">struct </span><a class="code" href="structrbt.html">rbt</a> {</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="keyword">struct </span><a class="code" href="structrbt__node.html" title="Generic node structure Lowest bit of _chld[0] holds the color bit.">rbt_node</a> *root;</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keywordtype">size_t</span> size;</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  rbt_type_t type;</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span> <span class="preprocessor">#if defined(RBT_IMPLICIT_LOCKING)</span></div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span> <span class="preprocessor"></span> pthread_rwlock_t lock;</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span> <span class="preprocessor"></span>};</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span> </div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span> <span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="structrbt.html">rbt</a> <a class="code" href="structrbt.html">rbt_t</a>;</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span> </div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span> <a class="code" href="structrbt.html">rbt_t</a> *rbt_new(rbt_type_t type);</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span> </div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span> <span class="keywordtype">void</span> rbt_free(<a class="code" href="structrbt.html">rbt_t</a> *<a class="code" href="structrbt.html">rbt</a>, <span class="keywordtype">void</span> (*callback)(<span class="keywordtype">void</span> *));</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span> <span class="keywordtype">void</span> rbt_free2(<a class="code" href="structrbt.html">rbt_t</a> *rbt, <span class="keywordtype">void</span> (*callback)(<span class="keywordtype">void</span> *, <span class="keywordtype">void</span> *), <span class="keywordtype">void</span> *user);</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span> </div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span> <span class="keywordtype">int</span> rbt_rlock(<a class="code" href="structrbt.html">rbt_t</a> *rbt);</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span> </div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span> <span class="keywordtype">void</span> rbt_runlock(<a class="code" href="structrbt.html">rbt_t</a> *rbt);</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span> </div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span> <span class="keywordtype">int</span> rbt_wlock(<a class="code" href="structrbt.html">rbt_t</a> *rbt);</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span> </div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span> <span class="keywordtype">void</span> rbt_wunlock(<a class="code" href="structrbt.html">rbt_t</a> *rbt);</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span> </div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span> <span class="keyword">struct </span><a class="code" href="structrbt__node.html" title="Generic node structure Lowest bit of _chld[0] holds the color bit.">rbt_node</a> *rbt_node_rotate_L(<span class="keyword">struct</span> <a class="code" href="structrbt__node.html" title="Generic node structure Lowest bit of _chld[0] holds the color bit.">rbt_node</a> *);</div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span> <span class="keyword">struct </span><a class="code" href="structrbt__node.html" title="Generic node structure Lowest bit of _chld[0] holds the color bit.">rbt_node</a> *rbt_node_rotate_R(<span class="keyword">struct</span> <a class="code" href="structrbt__node.html" title="Generic node structure Lowest bit of _chld[0] holds the color bit.">rbt_node</a> *);</div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span> <span class="keyword">struct </span><a class="code" href="structrbt__node.html" title="Generic node structure Lowest bit of _chld[0] holds the color bit.">rbt_node</a> *rbt_node_rotate_LR(<span class="keyword">struct</span> <a class="code" href="structrbt__node.html" title="Generic node structure Lowest bit of _chld[0] holds the color bit.">rbt_node</a> *);</div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span> <span class="keyword">struct </span><a class="code" href="structrbt__node.html" title="Generic node structure Lowest bit of _chld[0] holds the color bit.">rbt_node</a> *rbt_node_rotate_RL(<span class="keyword">struct</span> <a class="code" href="structrbt__node.html" title="Generic node structure Lowest bit of _chld[0] holds the color bit.">rbt_node</a> *);</div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span> </div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span> <span class="keywordtype">size_t</span> rbt_size(<a class="code" href="structrbt.html">rbt_t</a> *rbt);</div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span> </div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span> <span class="preprocessor">#define rbt_walk_push(n) stack[depth++] = (n)</span></div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span> <span class="preprocessor"></span><span class="preprocessor">#define rbt_walk_pop() stack[--depth]</span></div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span> <span class="preprocessor"></span><span class="preprocessor">#define rbt_walk_top() stack[depth-1]</span></div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span> <span class="keywordtype">int</span> rbt_walk_preorder(<a class="code" href="structrbt.html">rbt_t</a> *rbt, <span class="keywordtype">int</span> (*callback)(<span class="keywordtype">void</span> *), rbt_walk_t flags);</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span> <span class="keywordtype">int</span> rbt_walk_inorder(<a class="code" href="structrbt.html">rbt_t</a> *rbt, <span class="keywordtype">int</span> (*callback)(<span class="keywordtype">void</span> *), rbt_walk_t flags);</div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span> <span class="keywordtype">int</span> rbt_walk_inorder2(<a class="code" href="structrbt.html">rbt_t</a> *rbt, <span class="keywordtype">int</span> (*callback)(<span class="keywordtype">void</span> *, <span class="keywordtype">void</span> *), <span class="keywordtype">void</span> *user, rbt_walk_t flags);</div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span> <span class="keywordtype">int</span> rbt_walk_postorder(<a class="code" href="structrbt.html">rbt_t</a> *rbt, <span class="keywordtype">int</span> (*callback)(<span class="keywordtype">void</span> *), rbt_walk_t flags);</div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span> </div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span> <span class="preprocessor">#endif </span><span class="comment">/* RBT_COMMON_H */</span><span class="preprocessor"></span></div>
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