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<li class="navelem"><a class="el" href="dir_d44c64559bbebec7f509842c48db8b23.html">include</a></li><li class="navelem"><a class="el" href="dir_0103a8ad82dcc2c51f5cde661b4b5cb7.html">xrpl</a></li><li class="navelem"><a class="el" href="dir_f534ca90a4985f34ab325acfbcd39b84.html">basics</a></li> </ul>
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<div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="preprocessor">#ifndef XRPL_COMPRESSIONALGORITHMS_H_INCLUDED</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="preprocessor">#define XRPL_COMPRESSIONALGORITHMS_H_INCLUDED</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span> </div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="preprocessor">#include &lt;xrpl/basics/contract.h&gt;</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span> </div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="preprocessor">#include &lt;lz4.h&gt;</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span> </div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="preprocessor">#include &lt;<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/algorithm.html">algorithm</a>&gt;</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="preprocessor">#include &lt;<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/cstdint.html">cstdint</a>&gt;</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="preprocessor">#include &lt;<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/stdexcept.html">stdexcept</a>&gt;</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="preprocessor">#include &lt;<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/vector.html">vector</a>&gt;</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span> </div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespacexrpl.html">xrpl</a> {</div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span> </div>
<div class="foldopen" id="foldopen00015" data-start="{" data-end="}">
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"><a class="line" href="namespacexrpl_1_1compression__algorithms.html"> 15</a></span><span class="keyword">namespace </span>compression_algorithms {</div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span> </div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span><span class="keyword">template</span> &lt;<span class="keyword">typename</span> BufferFactory&gt;</div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span><a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a></div>
<div class="foldopen" id="foldopen00027" data-start="{" data-end="}">
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"><a class="line" href="namespacexrpl_1_1compression__algorithms.html#ac164ce377cefe2d044effabada72bee4"> 27</a></span><a class="code hl_function" href="namespacexrpl_1_1compression__algorithms.html#ac164ce377cefe2d044effabada72bee4">lz4Compress</a>(<span class="keywordtype">void</span> <span class="keyword">const</span>* <a class="code hl_enumvalue" href="namespacexrpl.html#a8c276c0296ec751cf0e0eb51dbc7f72da13b5bfe96f3e2fe411c9f66f4a582adf">in</a>, <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a> inSize, BufferFactory&amp;&amp; bf)</div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span>{</div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span> <span class="keywordflow">if</span> (inSize &gt; UINT32_MAX)</div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span> Throw&lt;std::runtime_error&gt;(<span class="stringliteral">&quot;lz4 compress: invalid size&quot;</span>);</div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span> </div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span> <span class="keyword">auto</span> <span class="keyword">const</span> outCapacity = LZ4_compressBound(inSize);</div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span> </div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span> <span class="comment">// Request the caller to allocate and return the buffer to hold compressed</span></div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span> <span class="comment">// data</span></div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> <span class="keyword">auto</span> compressed = bf(outCapacity);</div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> </div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> <span class="keyword">auto</span> compressedSize = LZ4_compress_default(</div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> <span class="keyword">reinterpret_cast&lt;</span><span class="keywordtype">char</span> const*<span class="keyword">&gt;</span>(<a class="code hl_enumvalue" href="namespacexrpl.html#a8c276c0296ec751cf0e0eb51dbc7f72da13b5bfe96f3e2fe411c9f66f4a582adf">in</a>), <span class="keyword">reinterpret_cast&lt;</span><span class="keywordtype">char</span>*<span class="keyword">&gt;</span>(compressed), inSize, outCapacity);</div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> <span class="keywordflow">if</span> (compressedSize == 0)</div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> Throw&lt;std::runtime_error&gt;(<span class="stringliteral">&quot;lz4 compress: failed&quot;</span>);</div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> </div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> <span class="keywordflow">return</span> compressedSize;</div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span>}</div>
</div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> </div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span><span class="keyword">inline</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a></div>
<div class="foldopen" id="foldopen00054" data-start="{" data-end="}">
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"><a class="line" href="namespacexrpl_1_1compression__algorithms.html#a54663599616e989d07e2f29c2304b289"> 54</a></span><a class="code hl_function" href="namespacexrpl_1_1compression__algorithms.html#a54663599616e989d07e2f29c2304b289">lz4Decompress</a>(</div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint8_t</a> <span class="keyword">const</span>* <a class="code hl_enumvalue" href="namespacexrpl.html#a8c276c0296ec751cf0e0eb51dbc7f72da13b5bfe96f3e2fe411c9f66f4a582adf">in</a>,</div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a> inSizeUnchecked,</div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint8_t</a>* decompressed,</div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a> decompressedSizeUnchecked)</div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span>{</div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> <span class="keywordtype">int</span> <span class="keyword">const</span> inSize = <span class="keyword">static_cast&lt;</span><span class="keywordtype">int</span><span class="keyword">&gt;</span>(inSizeUnchecked);</div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> <span class="keywordtype">int</span> <span class="keyword">const</span> decompressedSize = <span class="keyword">static_cast&lt;</span><span class="keywordtype">int</span><span class="keyword">&gt;</span>(decompressedSizeUnchecked);</div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> </div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> <span class="keywordflow">if</span> (inSize &lt;= 0)</div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> Throw&lt;std::runtime_error&gt;(<span class="stringliteral">&quot;lz4Decompress: integer overflow (input)&quot;</span>);</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> (decompressedSize &lt;= 0)</div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> Throw&lt;std::runtime_error&gt;(<span class="stringliteral">&quot;lz4Decompress: integer overflow (output)&quot;</span>);</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> </div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> <span class="keywordflow">if</span> (LZ4_decompress_safe(</div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> <span class="keyword">reinterpret_cast&lt;</span><span class="keywordtype">char</span> const*<span class="keyword">&gt;</span>(<a class="code hl_enumvalue" href="namespacexrpl.html#a8c276c0296ec751cf0e0eb51dbc7f72da13b5bfe96f3e2fe411c9f66f4a582adf">in</a>), <span class="keyword">reinterpret_cast&lt;</span><span class="keywordtype">char</span>*<span class="keyword">&gt;</span>(decompressed), inSize, decompressedSize) !=</div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> decompressedSize)</div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> Throw&lt;std::runtime_error&gt;(<span class="stringliteral">&quot;lz4Decompress: failed&quot;</span>);</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> <span class="keywordflow">return</span> decompressedSize;</div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span>}</div>
</div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> </div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span><span class="keyword">template</span> &lt;<span class="keyword">typename</span> InputStream&gt;</div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span><a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a></div>
<div class="foldopen" id="foldopen00087" data-start="{" data-end="}">
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"><a class="line" href="namespacexrpl_1_1compression__algorithms.html#aa832d153ab72d06eefd89ef2a604bb83"> 87</a></span><a class="code hl_function" href="namespacexrpl_1_1compression__algorithms.html#a54663599616e989d07e2f29c2304b289">lz4Decompress</a>(InputStream&amp; <a class="code hl_enumvalue" href="namespacexrpl.html#a8c276c0296ec751cf0e0eb51dbc7f72da13b5bfe96f3e2fe411c9f66f4a582adf">in</a>, <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a> inSize, <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint8_t</a>* decompressed, <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a> decompressedSize)</div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span>{</div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector&lt;std::uint8_t&gt;</a> compressed;</div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint8_t</a> <span class="keyword">const</span>* chunk = <span class="keyword">nullptr</span>;</div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> <span class="keywordtype">int</span> chunkSize = 0;</div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> <span class="keywordtype">int</span> copiedInSize = 0;</div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> <span class="keyword">auto</span> <span class="keyword">const</span> currentBytes = <a class="code hl_enumvalue" href="namespacexrpl.html#a8c276c0296ec751cf0e0eb51dbc7f72da13b5bfe96f3e2fe411c9f66f4a582adf">in</a>.ByteCount();</div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> </div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> <span class="comment">// Use the first chunk if it is &gt;= inSize bytes of the compressed message.</span></div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> <span class="comment">// Otherwise copy inSize bytes of chunks into compressed buffer and</span></div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> <span class="comment">// use the buffer to decompress.</span></div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> <span class="keywordflow">while</span> (<a class="code hl_enumvalue" href="namespacexrpl.html#a8c276c0296ec751cf0e0eb51dbc7f72da13b5bfe96f3e2fe411c9f66f4a582adf">in</a>.Next(<span class="keyword">reinterpret_cast&lt;</span><span class="keywordtype">void</span> const**<span class="keyword">&gt;</span>(&amp;chunk), &amp;chunkSize))</div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> {</div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> <span class="keywordflow">if</span> (copiedInSize == 0)</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> <span class="keywordflow">if</span> (chunkSize &gt;= inSize)</div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> {</div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> copiedInSize = inSize;</div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> }</div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> compressed.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/container/vector/resize.html">resize</a>(inSize);</div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> }</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> chunkSize = chunkSize &lt; (inSize - copiedInSize) ? chunkSize : (inSize - copiedInSize);</div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> </div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/algorithm/copy.html">std::copy</a>(chunk, chunk + chunkSize, compressed.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/container/vector/data.html">data</a>() + copiedInSize);</div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> </div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> copiedInSize += chunkSize;</div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> </div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> <span class="keywordflow">if</span> (copiedInSize == inSize)</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> chunk = compressed.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/container/vector/data.html">data</a>();</div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> <span class="keywordflow">break</span>;</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> }</div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> </div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> <span class="comment">// Put back unused bytes</span></div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> <span class="keywordflow">if</span> (<a class="code hl_enumvalue" href="namespacexrpl.html#a8c276c0296ec751cf0e0eb51dbc7f72da13b5bfe96f3e2fe411c9f66f4a582adf">in</a>.ByteCount() &gt; (currentBytes + copiedInSize))</div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> <a class="code hl_enumvalue" href="namespacexrpl.html#a8c276c0296ec751cf0e0eb51dbc7f72da13b5bfe96f3e2fe411c9f66f4a582adf">in</a>.BackUp(<a class="code hl_enumvalue" href="namespacexrpl.html#a8c276c0296ec751cf0e0eb51dbc7f72da13b5bfe96f3e2fe411c9f66f4a582adf">in</a>.ByteCount() - currentBytes - copiedInSize);</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="keywordflow">if</span> ((copiedInSize == 0 &amp;&amp; chunkSize &lt; inSize) || (copiedInSize &gt; 0 &amp;&amp; copiedInSize != inSize))</div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> Throw&lt;std::runtime_error&gt;(<span class="stringliteral">&quot;lz4 decompress: insufficient input size&quot;</span>);</div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> </div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespacexrpl_1_1compression__algorithms.html#a54663599616e989d07e2f29c2304b289">lz4Decompress</a>(chunk, inSize, decompressed, decompressedSize);</div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span>}</div>
</div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> </div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span>} <span class="comment">// namespace compression_algorithms</span></div>
</div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> </div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span>} <span class="comment">// namespace xrpl</span></div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> </div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span><span class="preprocessor">#endif </span><span class="comment">// XRPL_COMPRESSIONALGORITHMS_H_INCLUDED</span></div>
<div class="ttc" id="aalgorithm_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/algorithm.html">algorithm</a></div></div>
<div class="ttc" id="acopy_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/algorithm/copy.html">std::copy</a></div><div class="ttdeci">T copy(T... args)</div></div>
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<div class="ttc" id="adata_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/container/vector/data.html">std::vector::data</a></div><div class="ttdeci">T data(T... args)</div></div>
<div class="ttc" id="ainteger_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint8_t</a></div></div>
<div class="ttc" id="anamespacexrpl_1_1compression__algorithms_html_a54663599616e989d07e2f29c2304b289"><div class="ttname"><a href="namespacexrpl_1_1compression__algorithms.html#a54663599616e989d07e2f29c2304b289">xrpl::compression_algorithms::lz4Decompress</a></div><div class="ttdeci">std::size_t lz4Decompress(std::uint8_t const *in, std::size_t inSizeUnchecked, std::uint8_t *decompressed, std::size_t decompressedSizeUnchecked)</div><div class="ttdef"><b>Definition</b> <a href="CompressionAlgorithms_8h_source.html#l00054">CompressionAlgorithms.h:54</a></div></div>
<div class="ttc" id="anamespacexrpl_1_1compression__algorithms_html_ac164ce377cefe2d044effabada72bee4"><div class="ttname"><a href="namespacexrpl_1_1compression__algorithms.html#ac164ce377cefe2d044effabada72bee4">xrpl::compression_algorithms::lz4Compress</a></div><div class="ttdeci">std::size_t lz4Compress(void const *in, std::size_t inSize, BufferFactory &amp;&amp;bf)</div><div class="ttdoc">LZ4 block compression.</div><div class="ttdef"><b>Definition</b> <a href="CompressionAlgorithms_8h_source.html#l00027">CompressionAlgorithms.h:27</a></div></div>
<div class="ttc" id="anamespacexrpl_html"><div class="ttname"><a href="namespacexrpl.html">xrpl</a></div><div class="ttdoc">Use hash_* containers for keys that do not need a cryptographically secure hashing algorithm.</div><div class="ttdef"><b>Definition</b> <a href="algorithm_8h_source.html#l00006">algorithm.h:6</a></div></div>
<div class="ttc" id="anamespacexrpl_html_a8c276c0296ec751cf0e0eb51dbc7f72da13b5bfe96f3e2fe411c9f66f4a582adf"><div class="ttname"><a href="namespacexrpl.html#a8c276c0296ec751cf0e0eb51dbc7f72da13b5bfe96f3e2fe411c9f66f4a582adf">xrpl::QualityDirection::in</a></div><div class="ttdeci">@ in</div></div>
<div class="ttc" id="aresize_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/container/vector/resize.html">std::vector::resize</a></div><div class="ttdeci">T resize(T... args)</div></div>
<div class="ttc" id="asize_t_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a></div></div>
<div class="ttc" id="astdexcept_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/stdexcept.html">stdexcept</a></div></div>
<div class="ttc" id="avector_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/vector.html">vector</a></div></div>
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