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<a href="checksum_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">/*= -*- c-basic-offset: 4; indent-tabs-mode: nil; -*-</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment"> *</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment"> * librsync -- the library for network deltas</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="comment"> *</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment"> * Copyright (C) 2000, 2001 by Martin Pool <[email protected]></span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="comment"> *</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="comment"> * This program is free software; you can redistribute it and/or modify</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="comment"> * it under the terms of the GNU Lesser General Public License as published by</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="comment"> * the Free Software Foundation; either version 2.1 of the License, or</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="comment"> * (at your option) any later version.</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="comment"> *</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="comment"> * This program is distributed in the hope that it will be useful,</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span><span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span><span class="comment"> * GNU Lesser General Public License for more details.</span></div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span><span class="comment"> *</span></div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="comment"> * You should have received a copy of the GNU Lesser General Public License</span></div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span><span class="comment"> * along with this program; if not, write to the Free Software</span></div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span><span class="comment"> * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.</span></div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span><span class="comment"> */</span></div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><span class="comment"></span> </div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span><span class="comment">/** \file checksum.h</span></div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span><span class="comment"> * Abstract wrappers around different weaksum and strongsum implementations. */</span></div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span><span class="preprocessor">#ifndef CHECKSUM_H</span></div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span><span class="preprocessor"># define CHECKSUM_H</span></div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span> </div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span><span class="preprocessor"># include <assert.h></span></div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span><span class="preprocessor"># include <stddef.h></span></div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span><span class="preprocessor"># include "<a class="code" href="librsync_8h.html">librsync.h</a>"</span></div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span><span class="preprocessor"># include "<a class="code" href="rollsum_8h.html">rollsum.h</a>"</span></div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span><span class="preprocessor"># include "<a class="code" href="rabinkarp_8h.html">rabinkarp.h</a>"</span></div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span><span class="preprocessor"># include "<a class="code" href="hashtable_8h.html">hashtable.h</a>"</span></div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span><span class="comment"></span> </div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span><span class="comment">/** Weaksum implementations. */</span></div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"><a class="line" href="checksum_8h.html#a523b170a7d10ae0b00117c2761abaf8d"> 35</a></span><span class="keyword">typedef</span> <span class="keyword">enum</span> {</div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> RS_ROLLSUM,</div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> RS_RABINKARP,</div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span>} <a class="code hl_enumeration" href="checksum_8h.html#a523b170a7d10ae0b00117c2761abaf8d">weaksum_kind_t</a>;</div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span><span class="comment"></span> </div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span><span class="comment">/** Strongsum implementations. */</span></div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"><a class="line" href="checksum_8h.html#a358cb59b26ba2585bc2094b4da2a547d"> 41</a></span><span class="keyword">typedef</span> <span class="keyword">enum</span> {</div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> RS_MD4,</div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> RS_BLAKE2,</div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span>} <a class="code hl_enumeration" href="checksum_8h.html#a358cb59b26ba2585bc2094b4da2a547d">strongsum_kind_t</a>;</div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span><span class="comment"></span> </div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span><span class="comment">/** Abstract wrapper around weaksum implementations.</span></div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span><span class="comment"> *</span></div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span><span class="comment"> * This is a polymorphic interface to the different rollsum implementations.</span></div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span><span class="comment"> *</span></div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span><span class="comment"> * Historically rollsum methods were implemented as static inline functions</span></div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span><span class="comment"> * because they were small and needed to be fast. Now that we need to call</span></div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span><span class="comment"> * different methods for different rollsum implementations, they are getting</span></div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span><span class="comment"> * more complicated. Is it better to delegate calls to the right implementation</span></div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span><span class="comment"> * using static inline switch statements, or stop inlining them and use virtual</span></div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span><span class="comment"> * method pointers? Tests suggest inlined switch statements is faster. */</span></div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"><a class="line" href="structweaksum.html"> 56</a></span><span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code hl_struct" href="structweaksum.html">weaksum</a> {</div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> <a class="code hl_enumeration" href="checksum_8h.html#a523b170a7d10ae0b00117c2761abaf8d">weaksum_kind_t</a> kind;</div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> <span class="keyword">union </span>{</div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> <a class="code hl_struct" href="structRollsum.html">Rollsum</a> rs;</div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> <a class="code hl_struct" href="structrabinkarp.html">rabinkarp_t</a> rk;</div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> } sum;</div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"><a class="line" href="checksum_8h.html#a6a8a4dd89feaf9852455fb96bdca8aba"> 62</a></span>} <a class="code hl_typedef" href="checksum_8h.html#a6a8a4dd89feaf9852455fb96bdca8aba">weaksum_t</a>;</div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> </div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span><span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> weaksum_reset(<a class="code hl_struct" href="structweaksum.html">weaksum_t</a> *sum)</div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span>{</div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> <span class="keywordflow">if</span> (sum->kind == RS_ROLLSUM)</div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> RollsumInit(&sum->sum.rs);</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> rabinkarp_init(&sum->sum.rk);</div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span>}</div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> </div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span><span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> weaksum_init(<a class="code hl_struct" href="structweaksum.html">weaksum_t</a> *sum, <a class="code hl_enumeration" href="checksum_8h.html#a523b170a7d10ae0b00117c2761abaf8d">weaksum_kind_t</a> kind)</div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span>{</div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> assert(kind == RS_ROLLSUM || kind == RS_RABINKARP);</div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> sum->kind = kind;</div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> weaksum_reset(sum);</div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span>}</div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> </div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span><span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">size_t</span> weaksum_count(<a class="code hl_struct" href="structweaksum.html">weaksum_t</a> *sum)</div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span>{</div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> <span class="comment">/* We take advantage of sum->sum.rs.count overlaying sum->sum.rk.count. */</span></div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> <span class="keywordflow">return</span> sum->sum.rs.<a class="code hl_variable" href="structRollsum.html#a62efaa93a6837a9dff796c997ad988c1">count</a>;</div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span>}</div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> </div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span><span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> weaksum_update(<a class="code hl_struct" href="structweaksum.html">weaksum_t</a> *sum, <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *buf,</div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> <span class="keywordtype">size_t</span> len)</div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span>{</div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> <span class="keywordflow">if</span> (sum->kind == RS_ROLLSUM)</div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> RollsumUpdate(&sum->sum.rs, buf, len);</div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> rabinkarp_update(&sum->sum.rk, buf, len);</div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span>}</div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> </div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span><span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> weaksum_rotate(<a class="code hl_struct" href="structweaksum.html">weaksum_t</a> *sum, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> out,</div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> in)</div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span>{</div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> <span class="keywordflow">if</span> (sum->kind == RS_ROLLSUM)</div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> RollsumRotate(&sum->sum.rs, out, in);</div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> rabinkarp_rotate(&sum->sum.rk, out, in);</div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span>}</div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> </div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span><span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> weaksum_rollin(<a class="code hl_struct" href="structweaksum.html">weaksum_t</a> *sum, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> in)</div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span>{</div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> <span class="keywordflow">if</span> (sum->kind == RS_ROLLSUM)</div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> RollsumRollin(&sum->sum.rs, in);</div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> rabinkarp_rollin(&sum->sum.rk, in);</div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span>}</div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> </div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span><span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> weaksum_rollout(<a class="code hl_struct" href="structweaksum.html">weaksum_t</a> *sum, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> out)</div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span>{</div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> <span class="keywordflow">if</span> (sum->kind == RS_ROLLSUM)</div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> RollsumRollout(&sum->sum.rs, out);</div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> rabinkarp_rollout(&sum->sum.rk, out);</div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span>}</div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> </div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span><span class="keyword">static</span> <span class="keyword">inline</span> rs_weak_sum_t weaksum_digest(<a class="code hl_struct" href="structweaksum.html">weaksum_t</a> *sum)</div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span>{</div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> <span class="keywordflow">if</span> (sum->kind == RS_ROLLSUM)</div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> <span class="comment">/* We apply mix32() to rollsums before using them for matching. */</span></div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> <span class="keywordflow">return</span> <a class="code hl_function" href="hashtable_8h.html#ac1bb2e17d20ca0fc08ab9e02ecaa698f">mix32</a>(RollsumDigest(&sum->sum.rs));</div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> <span class="keywordflow">return</span> rabinkarp_digest(&sum->sum.rk);</div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span>}</div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span><span class="comment"></span> </div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span><span class="comment">/** Calculate a weaksum.</span></div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span><span class="comment"> *</span></div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span><span class="comment"> * Note this does not apply mix32() to rollsum digests, unlike</span></div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span><span class="comment"> * weaksum_digest(). This is because rollsums are stored raw without mix32()</span></div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span><span class="comment"> * applied for backwards-compatibility, but we apply mix32() when adding them</span></div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span><span class="comment"> * into a signature and when getting the digest for calculating deltas. */</span></div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span>rs_weak_sum_t <a class="code hl_function" href="checksum_8h.html#a25c2d070f333e27ee30831f05bc77c65">rs_calc_weak_sum</a>(<a class="code hl_enumeration" href="checksum_8h.html#a523b170a7d10ae0b00117c2761abaf8d">weaksum_kind_t</a> kind, <span class="keywordtype">void</span> <span class="keyword">const</span> *buf,</div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> <span class="keywordtype">size_t</span> len);</div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span><span class="comment"></span> </div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span><span class="comment">/** Calculate a strongsum. */</span></div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span><span class="keywordtype">void</span> <a class="code hl_function" href="checksum_8h.html#aca0ef7069e47972313f74f66d9c29298">rs_calc_strong_sum</a>(<a class="code hl_enumeration" href="checksum_8h.html#a358cb59b26ba2585bc2094b4da2a547d">strongsum_kind_t</a> kind, <span class="keywordtype">void</span> <span class="keyword">const</span> *buf, <span class="keywordtype">size_t</span> len,</div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> rs_strong_sum_t *sum);</div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> </div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span><span class="preprocessor">#endif </span><span class="comment">/* !CHECKSUM_H */</span><span class="preprocessor"></span></div>
<div class="ttc" id="achecksum_8h_html_a25c2d070f333e27ee30831f05bc77c65"><div class="ttname"><a href="checksum_8h.html#a25c2d070f333e27ee30831f05bc77c65">rs_calc_weak_sum</a></div><div class="ttdeci">rs_weak_sum_t rs_calc_weak_sum(weaksum_kind_t kind, void const *buf, size_t len)</div><div class="ttdoc">Calculate a weaksum.</div><div class="ttdef"><b>Definition:</b> <a href="checksum_8c_source.html#l00034">checksum.c:34</a></div></div>
<div class="ttc" id="achecksum_8h_html_a358cb59b26ba2585bc2094b4da2a547d"><div class="ttname"><a href="checksum_8h.html#a358cb59b26ba2585bc2094b4da2a547d">strongsum_kind_t</a></div><div class="ttdeci">strongsum_kind_t</div><div class="ttdoc">Strongsum implementations.</div><div class="ttdef"><b>Definition:</b> <a href="checksum_8h_source.html#l00041">checksum.h:41</a></div></div>
<div class="ttc" id="achecksum_8h_html_a523b170a7d10ae0b00117c2761abaf8d"><div class="ttname"><a href="checksum_8h.html#a523b170a7d10ae0b00117c2761abaf8d">weaksum_kind_t</a></div><div class="ttdeci">weaksum_kind_t</div><div class="ttdoc">Weaksum implementations.</div><div class="ttdef"><b>Definition:</b> <a href="checksum_8h_source.html#l00035">checksum.h:35</a></div></div>
<div class="ttc" id="achecksum_8h_html_a6a8a4dd89feaf9852455fb96bdca8aba"><div class="ttname"><a href="checksum_8h.html#a6a8a4dd89feaf9852455fb96bdca8aba">weaksum_t</a></div><div class="ttdeci">struct weaksum weaksum_t</div><div class="ttdoc">Abstract wrapper around weaksum implementations.</div></div>
<div class="ttc" id="achecksum_8h_html_aca0ef7069e47972313f74f66d9c29298"><div class="ttname"><a href="checksum_8h.html#aca0ef7069e47972313f74f66d9c29298">rs_calc_strong_sum</a></div><div class="ttdeci">void rs_calc_strong_sum(strongsum_kind_t kind, void const *buf, size_t len, rs_strong_sum_t *sum)</div><div class="ttdoc">Calculate a strongsum.</div><div class="ttdef"><b>Definition:</b> <a href="checksum_8c_source.html#l00059">checksum.c:59</a></div></div>
<div class="ttc" id="ahashtable_8h_html"><div class="ttname"><a href="hashtable_8h.html">hashtable.h</a></div><div class="ttdoc">A generic open addressing hashtable.</div></div>
<div class="ttc" id="ahashtable_8h_html_ac1bb2e17d20ca0fc08ab9e02ecaa698f"><div class="ttname"><a href="hashtable_8h.html#ac1bb2e17d20ca0fc08ab9e02ecaa698f">mix32</a></div><div class="ttdeci">static unsigned mix32(unsigned h)</div><div class="ttdoc">MurmurHash3 finalization mix function.</div><div class="ttdef"><b>Definition:</b> <a href="hashtable_8h_source.html#l00170">hashtable.h:170</a></div></div>
<div class="ttc" id="alibrsync_8h_html"><div class="ttname"><a href="librsync_8h.html">librsync.h</a></div><div class="ttdoc">Public header for librsync.</div></div>
<div class="ttc" id="arabinkarp_8h_html"><div class="ttname"><a href="rabinkarp_8h.html">rabinkarp.h</a></div><div class="ttdoc">The rabinkarp class implementation of the RabinKarp rollsum.</div></div>
<div class="ttc" id="arollsum_8h_html"><div class="ttname"><a href="rollsum_8h.html">rollsum.h</a></div><div class="ttdoc">The Rollsum class implementation of the original rsync rollsum.</div></div>
<div class="ttc" id="astructRollsum_html"><div class="ttname"><a href="structRollsum.html">Rollsum</a></div><div class="ttdoc">The Rollsum state type.</div><div class="ttdef"><b>Definition:</b> <a href="rollsum_8h_source.html#l00036">rollsum.h:36</a></div></div>
<div class="ttc" id="astructRollsum_html_a62efaa93a6837a9dff796c997ad988c1"><div class="ttname"><a href="structRollsum.html#a62efaa93a6837a9dff796c997ad988c1">Rollsum::count</a></div><div class="ttdeci">size_t count</div><div class="ttdoc">count of bytes included in sum</div><div class="ttdef"><b>Definition:</b> <a href="rollsum_8h_source.html#l00037">rollsum.h:37</a></div></div>
<div class="ttc" id="astructrabinkarp_html"><div class="ttname"><a href="structrabinkarp.html">rabinkarp</a></div><div class="ttdoc">The rabinkarp_t state type.</div><div class="ttdef"><b>Definition:</b> <a href="rabinkarp_8h_source.html#l00056">rabinkarp.h:56</a></div></div>
<div class="ttc" id="astructweaksum_html"><div class="ttname"><a href="structweaksum.html">weaksum</a></div><div class="ttdoc">Abstract wrapper around weaksum implementations.</div><div class="ttdef"><b>Definition:</b> <a href="checksum_8h_source.html#l00056">checksum.h:56</a></div></div>
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