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<a href="byteswap_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Copyright (c) 2014 The Bitcoin developers</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// Distributed under the MIT software license, see the accompanying</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// file COPYING or http://www.opensource.org/licenses/mit-license.php.</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> </div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="preprocessor">#ifndef BITCOIN_COMPAT_BYTESWAP_H</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="preprocessor">#define BITCOIN_COMPAT_BYTESWAP_H</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> </div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="preprocessor">#if defined(HAVE_CONFIG_H)</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor">#include "<a class="code" href="dash-config_8h.html">config/dash-config.h</a>"</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> </div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include <stdint.h></span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> </div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#if defined(HAVE_BYTESWAP_H)</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include <<a class="code" href="byteswap_8h.html">byteswap.h</a>></span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> </div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#if defined(__APPLE__)</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> </div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#if !defined(bswap_16)</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> <span class="comment">// Mac OS X / Darwin features; we include a check for bswap_16 because if it is already defined, protobuf has</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment">// defined these macros for us already; if it isn't, we do it ourselves. In either case, we get the exact same</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment">// result regardless which path was taken</span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include <libkern/OSByteOrder.h></span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#define bswap_16(x) OSSwapInt16(x)</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#define bswap_32(x) OSSwapInt32(x)</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#define bswap_64(x) OSSwapInt64(x)</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> </div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#endif // !defined(bswap_16)</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">#else</span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="comment">// Non-Mac OS X / non-Darwin</span></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> </div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#if HAVE_DECL_BSWAP_16 == 0</span></div><div class="line"><a name="l00036"></a><span class="lineno"><a class="line" href="byteswap_8h.html#a085ea880e2990a5fe43dab707c45db42"> 36</a></span> <span class="keyword">inline</span> uint16_t <a class="code" href="byteswap_8h.html#a085ea880e2990a5fe43dab707c45db42">bswap_16</a>(uint16_t x)</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> {</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="keywordflow">return</span> (x >> 8) | ((x & 0x00ff) << 8);</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> }</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="preprocessor">#endif // HAVE_DECL_BSWAP16</span></div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> </div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="preprocessor">#if HAVE_DECL_BSWAP_32 == 0</span></div><div class="line"><a name="l00043"></a><span class="lineno"><a class="line" href="byteswap_8h.html#acdd5094f58e4c6e2b0176654b7f20e1c"> 43</a></span> <span class="keyword">inline</span> uint32_t <a class="code" href="byteswap_8h.html#acdd5094f58e4c6e2b0176654b7f20e1c">bswap_32</a>(uint32_t x)</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> {</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keywordflow">return</span> (((x & 0xff000000U) >> 24) | ((x & 0x00ff0000U) >> 8) |</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  ((x & 0x0000ff00U) << 8) | ((x & 0x000000ffU) << 24));</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> }</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="preprocessor">#endif // HAVE_DECL_BSWAP32</span></div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> </div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="preprocessor">#if HAVE_DECL_BSWAP_64 == 0</span></div><div class="line"><a name="l00051"></a><span class="lineno"><a class="line" href="byteswap_8h.html#aaf6a6e8515061fb001505d3b9f6164e2"> 51</a></span> <span class="keyword">inline</span> uint64_t <a class="code" href="byteswap_8h.html#aaf6a6e8515061fb001505d3b9f6164e2">bswap_64</a>(uint64_t x)</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="keywordflow">return</span> (((x & 0xff00000000000000ull) >> 56)</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  | ((x & 0x00ff000000000000ull) >> 40)</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  | ((x & 0x0000ff0000000000ull) >> 24)</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  | ((x & 0x000000ff00000000ull) >> 8)</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  | ((x & 0x00000000ff000000ull) << 8)</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  | ((x & 0x0000000000ff0000ull) << 24)</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  | ((x & 0x000000000000ff00ull) << 40)</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  | ((x & 0x00000000000000ffull) << 56));</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> }</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="preprocessor">#endif // HAVE_DECL_BSWAP64</span></div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span> </div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="preprocessor">#endif // defined(__APPLE__)</span></div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span> </div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="preprocessor">#endif // BITCOIN_COMPAT_BYTESWAP_H</span></div><div class="ttc" id="byteswap_8h_html_acdd5094f58e4c6e2b0176654b7f20e1c"><div class="ttname"><a href="byteswap_8h.html#acdd5094f58e4c6e2b0176654b7f20e1c">bswap_32</a></div><div class="ttdeci">uint32_t bswap_32(uint32_t x)</div><div class="ttdef"><b>Definition:</b> <a href="byteswap_8h_source.html#l00043">byteswap.h:43</a></div></div>
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<div class="ttc" id="byteswap_8h_html_a085ea880e2990a5fe43dab707c45db42"><div class="ttname"><a href="byteswap_8h.html#a085ea880e2990a5fe43dab707c45db42">bswap_16</a></div><div class="ttdeci">uint16_t bswap_16(uint16_t x)</div><div class="ttdef"><b>Definition:</b> <a href="byteswap_8h_source.html#l00036">byteswap.h:36</a></div></div>
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<div class="ttc" id="byteswap_8h_html_aaf6a6e8515061fb001505d3b9f6164e2"><div class="ttname"><a href="byteswap_8h.html#aaf6a6e8515061fb001505d3b9f6164e2">bswap_64</a></div><div class="ttdeci">uint64_t bswap_64(uint64_t x)</div><div class="ttdef"><b>Definition:</b> <a href="byteswap_8h_source.html#l00051">byteswap.h:51</a></div></div>
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<div class="ttc" id="byteswap_8h_html"><div class="ttname"><a href="byteswap_8h.html">byteswap.h</a></div></div>
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<div class="ttc" id="dash-config_8h_html"><div class="ttname"><a href="dash-config_8h.html">dash-config.h</a></div></div>
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