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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"> FILE: pvl.h</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> CREATOR: eric November, 1995</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"></span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> (C) COPYRIGHT 2000, Eric Busboom <eric@softwarestudio.org></span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> http://www.softwarestudio.org</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"></span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> This program is free software; you can redistribute it and/or modify</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> it under the terms of either:</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"></span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> The LGPL as published by the Free Software Foundation, version</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> 2.1, available at: http://www.fsf.org/copyleft/lesser.html</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"> Or:</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"></span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> The Mozilla Public License Version 1.0. You may obtain a copy of</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> the License at http://www.mozilla.org/MPL/</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"></span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment">======================================================================*/</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> </div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> </div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#ifndef __PVL_H__</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor"></span><span class="preprocessor">#define __PVL_H__</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="structpvl__list__t.html">pvl_list_t</a>* <a class="code" href="structpvl__list__t.html">pvl_list</a>;</div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="structpvl__elem__t.html">pvl_elem_t</a>* <a class="code" href="structpvl__elem__t.html">pvl_elem</a>;</div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> </div>
<div class="line"><a name="l00035"></a><span class="lineno"><a class="code" href="structpvl__elem__t.html"> 35</a></span> <span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="structpvl__elem__t.html">pvl_elem_t</a></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> {</div>
<div class="line"><a name="l00037"></a><span class="lineno"><a class="code" href="structpvl__elem__t.html#a259a4f64c59afeaca3a95aa77f4731d5"> 37</a></span>  <span class="keywordtype">int</span> <a class="code" href="structpvl__elem__t.html#a259a4f64c59afeaca3a95aa77f4731d5">MAGIC</a>; </div>
<div class="line"><a name="l00038"></a><span class="lineno"><a class="code" href="structpvl__elem__t.html#a6d7a23387d9b7a5fd62bd7ca2478f134"> 38</a></span>  <span class="keywordtype">void</span> *<a class="code" href="structpvl__elem__t.html#a6d7a23387d9b7a5fd62bd7ca2478f134">d</a>; </div>
<div class="line"><a name="l00039"></a><span class="lineno"><a class="code" href="structpvl__elem__t.html#a305009bdcf1759ce8f0d9f896403552d"> 39</a></span>  <span class="keyword">struct </span><a class="code" href="structpvl__elem__t.html">pvl_elem_t</a> *<a class="code" href="structpvl__elem__t.html#a305009bdcf1759ce8f0d9f896403552d">next</a>; </div>
<div class="line"><a name="l00040"></a><span class="lineno"><a class="code" href="structpvl__elem__t.html#a00350aa18847b00658ba476816cb0274"> 40</a></span>  <span class="keyword">struct </span><a class="code" href="structpvl__elem__t.html">pvl_elem_t</a> *<a class="code" href="structpvl__elem__t.html#a00350aa18847b00658ba476816cb0274">prior</a>; </div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> } <a class="code" href="structpvl__elem__t.html">pvl_elem_t</a>;</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> </div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> </div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> </div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="keyword">extern</span> <span class="keywordtype">int</span> pvl_elem_count;</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="keyword">extern</span> <span class="keywordtype">int</span> pvl_list_count;</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> </div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="comment">/* Create new lists or elements */</span></div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> pvl_elem pvl_new_element(<span class="keywordtype">void</span>* <a class="code" href="structpvl__elem__t.html#a6d7a23387d9b7a5fd62bd7ca2478f134">d</a>, pvl_elem <a class="code" href="structpvl__elem__t.html#a305009bdcf1759ce8f0d9f896403552d">next</a>,pvl_elem <a class="code" href="structpvl__elem__t.html#a00350aa18847b00658ba476816cb0274">prior</a>);</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> pvl_list pvl_newlist(<span class="keywordtype">void</span>);</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="keywordtype">void</span> pvl_free(pvl_list);</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> </div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="comment">/* Add, remove, or get the head of the list */</span></div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="keywordtype">void</span> pvl_unshift(pvl_list l,<span class="keywordtype">void</span> *<a class="code" href="structpvl__elem__t.html#a6d7a23387d9b7a5fd62bd7ca2478f134">d</a>);</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="keywordtype">void</span>* pvl_shift(pvl_list l);</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> pvl_elem pvl_head(pvl_list);</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> </div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="comment">/* Add, remove or get the tail of the list */</span></div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="keywordtype">void</span> pvl_push(pvl_list l,<span class="keywordtype">void</span> *<a class="code" href="structpvl__elem__t.html#a6d7a23387d9b7a5fd62bd7ca2478f134">d</a>);</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="keywordtype">void</span>* pvl_pop(pvl_list l);</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> pvl_elem pvl_tail(pvl_list);</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> <span class="comment">/* Insert elements in random places */</span></div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="keyword">typedef</span> int (*pvl_comparef)(<span class="keywordtype">void</span>* a, <span class="keywordtype">void</span>* b); <span class="comment">/* a, b are of the data type*/</span></div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="keywordtype">void</span> pvl_insert_ordered(pvl_list l,pvl_comparef f,<span class="keywordtype">void</span> *<a class="code" href="structpvl__elem__t.html#a6d7a23387d9b7a5fd62bd7ca2478f134">d</a>);</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="keywordtype">void</span> pvl_insert_after(pvl_list l,pvl_elem e,<span class="keywordtype">void</span> *<a class="code" href="structpvl__elem__t.html#a6d7a23387d9b7a5fd62bd7ca2478f134">d</a>);</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="keywordtype">void</span> pvl_insert_before(pvl_list l,pvl_elem e,<span class="keywordtype">void</span> *<a class="code" href="structpvl__elem__t.html#a6d7a23387d9b7a5fd62bd7ca2478f134">d</a>);</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> </div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="comment">/* Remove an element, or clear the entire list */</span></div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="keywordtype">void</span>* pvl_remove(pvl_list,pvl_elem); <span class="comment">/* Remove element, return data */</span></div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="keywordtype">void</span> pvl_clear(pvl_list); <span class="comment">/* Remove all elements, de-allocate all data */</span></div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> </div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="keywordtype">int</span> pvl_count(pvl_list);</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> <span class="comment">/* Navagate the list */</span></div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span> pvl_elem pvl_next(pvl_elem e);</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span> pvl_elem pvl_prior(pvl_elem e);</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span> </div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span> <span class="comment">/* get the data in the list */</span></div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span> <span class="preprocessor">#ifndef PVL_USE_MACROS</span></div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span> <span class="preprocessor"></span><span class="keywordtype">void</span>* pvl_data(pvl_elem);</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span> <span class="preprocessor"></span><span class="preprocessor">#define pvl_data(x) x==0 ? 0 : ((struct pvl_elem_t *)x)->d;</span></div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> <span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> </div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span> <span class="comment">/* Find an element for which a function returns true */</span></div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span> <span class="keyword">typedef</span> int (*pvl_findf)(<span class="keywordtype">void</span>* a, <span class="keywordtype">void</span>* b); <span class="comment">/*a is list elem, b is other data*/</span></div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span> pvl_elem pvl_find(pvl_list l,pvl_findf f,<span class="keywordtype">void</span>* v);</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span> pvl_elem pvl_find_next(pvl_list l,pvl_findf f,<span class="keywordtype">void</span>* v);</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span> </div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span> <span class="keyword">typedef</span> void (*pvl_applyf)(<span class="keywordtype">void</span>* a, <span class="keywordtype">void</span>* b); </div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span> <span class="keywordtype">void</span> pvl_apply(pvl_list l,pvl_applyf f, <span class="keywordtype">void</span> *v);</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span> </div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span> </div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span> <span class="preprocessor">#endif </span><span class="comment">/* __PVL_H__ */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span> </div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span> </div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span> </div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span> </div>
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