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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="preprocessor">#ifndef __UTILITY_H__</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="preprocessor">#define __UTILITY_H__</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;</div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="preprocessor">#include &lt;string&gt;</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="preprocessor">#include &lt;vector&gt;</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<span class="preprocessor">#include &lt;stdarg.h&gt;</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="preprocessor">#include &lt;string.h&gt;</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="preprocessor">#include &quot;athena/Global.hpp&quot;</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="preprocessor">#include &quot;athena/Types.hpp&quot;</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;</div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespaceathena.html">athena</a></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;{</div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="keyword">namespace </span>utility</div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;{</div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="keyword">inline</span> <span class="keywordtype">bool</span> isEmpty(atInt8* buf, atUint32 size) {<span class="keywordflow">return</span> !memcmp(buf, buf + 1, size - 1);}</div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;<span class="keyword">inline</span> <span class="keywordtype">bool</span> isSystemBigEndian() {<span class="keywordflow">return</span> (*(atUint16*)<span class="stringliteral">&quot;\xFE\xFF&quot;</span> == 0xFEFF);}</div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;</div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="keyword">inline</span> atInt16 swap16(atInt16 val)</div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;{</div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;<span class="preprocessor">#if __GNUC__</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160; <span class="keywordflow">return</span> __builtin_bswap16(val);</div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;<span class="preprocessor">#elif _WIN32</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160; <span class="keywordflow">return</span> _byteswap_ushort(val);</div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;<span class="preprocessor">#else</span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160; <span class="keywordflow">return</span> (val = (val &lt;&lt; 8) | ((val &gt;&gt; 8) &amp; 0xFF));</div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160;}</div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160;<span class="keyword">inline</span> atUint16 swapU16(atUint16 val) {<span class="keywordflow">return</span> (atUint16)swap16(val);}</div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;<span class="ke
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