<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <meta http-equiv="X-UA-Compatible" content="IE=9"/> <meta name="generator" content="Doxygen 1.8.8"/> <title>SphinxBase: include/sphinxbase/byteorder.h Source File</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="jquery.js"></script> <script type="text/javascript" src="dynsections.js"></script> <link href="navtree.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="resize.js"></script> <script type="text/javascript" src="navtree.js"></script> <script type="text/javascript"> $(document).ready(initResizable); $(window).load(resizeHeight); </script> <link href="doxygen.css" rel="stylesheet" type="text/css" /> </head> <body> <div id="top"><!-- do not remove this div, it is closed by doxygen! --> <div id="titlearea"> <table cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 56px;"> <td style="padding-left: 0.5em;"> <div id="projectname">SphinxBase  <span id="projectnumber">0.6</span> </div> </td> </tr> </tbody> </table> </div> <!-- end header part --> <!-- Generated by Doxygen 1.8.8 --> <div id="navrow1" class="tabs"> <ul class="tablist"> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="pages.html"><span>Related Pages</span></a></li> <li><a href="annotated.html"><span>Data Structures</span></a></li> <li class="current"><a href="files.html"><span>Files</span></a></li> </ul> </div> <div id="navrow2" class="tabs2"> <ul class="tablist"> <li><a href="files.html"><span>File List</span></a></li> <li><a href="globals.html"><span>Globals</span></a></li> </ul> </div> </div><!-- top --> <div id="side-nav" class="ui-resizable side-nav-resizable"> <div id="nav-tree"> <div id="nav-tree-contents"> <div id="nav-sync" class="sync"></div> </div> </div> <div id="splitbar" style="-moz-user-select:none;" class="ui-resizable-handle"> </div> </div> <script type="text/javascript"> $(document).ready(function(){initNavTree('byteorder_8h_source.html','');}); </script> <div id="doc-content"> <div class="header"> <div class="headertitle"> <div class="title">byteorder.h</div> </div> </div><!--header--> <div class="contents"> <div class="fragment"><div class="line"><a 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 name="l00002"></a><span class="lineno"> 2</span> <span class="comment">/* ====================================================================</span></div> <div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * Copyright (c) 1999-2001 Carnegie Mellon University. All rights</span></div> <div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * reserved.</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"> * Redistribution and use in source and binary forms, with or without</span></div> <div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * modification, are permitted provided that the following conditions</span></div> <div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * are met:</span></div> <div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> *</span></div> <div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * 1. Redistributions of source code must retain the above copyright</span></div> <div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * notice, this list of conditions and the following disclaimer. </span></div> <div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> *</span></div> <div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * 2. Redistributions in binary form must reproduce the above copyright</span></div> <div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * notice, this list of conditions and the following disclaimer in</span></div> <div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * the documentation and/or other materials provided with the</span></div> <div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * distribution.</span></div> <div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> *</span></div> <div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * This work was supported in part by funding from the Defense Advanced </span></div> <div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> * Research Projects Agency and the National Science Foundation of the </span></div> <div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> * United States of America, and the CMU Sphinx Speech Consortium.</span></div> <div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> *</span></div> <div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment"> * THIS SOFTWARE IS PROVIDED BY CARNEGIE MELLON UNIVERSITY ``AS IS'' AND </span></div> <div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment"> * ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, </span></div> <div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment"> * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR</span></div> <div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment"> * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY</span></div> <div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment"> * NOR ITS EMPLOYEES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,</span></div> <div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment"> * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT </span></div> <div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment"> * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, </span></div> <div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment"> * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY </span></div> <div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment"> * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT </span></div> <div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment"> * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE </span></div> <div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment"> * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.</span></div> <div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="comment"> *</span></div> <div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="comment"> * ====================================================================</span></div> <div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="comment"> *</span></div> <div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="comment"> */</span></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="comment">/*</span></div> <div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="comment"> * byteorder.h -- Byte swapping ordering macros.</span></div> <div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="comment"> * </span></div> <div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="comment"> * **********************************************</span></div> <div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="comment"> * CMU ARPA Speech Project</span></div> <div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="comment"> *</span></div> <div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="comment"> * Copyright (c) 1996 Carnegie Mellon University.</span></div> <div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="comment"> * ALL RIGHTS RESERVED.</span></div> <div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="comment"> * **********************************************</span></div> <div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="comment"> * </span></div> <div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="comment"> * HISTORY</span></div> <div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="comment"> * </span></div> <div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="comment"> * $Log: byteorder.h,v $</span></div> <div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="comment"> * Revision 1.8 2005/09/01 21:09:54 dhdfu</span></div> <div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="comment"> * Really, actually, truly consolidate byteswapping operations into</span></div> <div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="comment"> * byteorder.h. Where unconditional byteswapping is needed, SWAP_INT32()</span></div> <div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="comment"> * and SWAP_INT16() are to be used. The WORDS_BIGENDIAN macro from</span></div> <div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="comment"> * autoconf controls the functioning of the conditional swap macros</span></div> <div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="comment"> * (SWAP_?[LW]) whose names and semantics have been regularized.</span></div> <div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="comment"> * Private, adhoc macros have been removed.</span></div> <div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="comment"> *</span></div> <div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="comment"> */</span></div> <div class="line"><a name="l00060"></a><span class="lineno"> 60</span> </div> <div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="preprocessor">#ifndef __S2_BYTEORDER_H__</span></div> <div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="preprocessor">#define __S2_BYTEORDER_H__ 1</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="comment">/* Macro to byteswap an int16 variable. x = ptr to variable */</span></div> <div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="preprocessor">#define SWAP_INT16(x) *(x) = ((0x00ff & (*(x))>>8) | (0xff00 & (*(x))<<8))</span></div> <div class="line"><a name="l00066"></a><span class="lineno"> 66</span> </div> <div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="comment">/* Macro to byteswap an int32 variable. x = ptr to variable */</span></div> <div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="preprocessor">#define SWAP_INT32(x) *(x) = ((0x000000ff & (*(x))>>24) | \</span></div> <div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="preprocessor"> (0x0000ff00 & (*(x))>>8) | \</span></div> <div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="preprocessor"> (0x00ff0000 & (*(x))<<8) | \</span></div> <div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="preprocessor"> (0xff000000 & (*(x))<<24))</span></div> <div class="line"><a name="l00072"></a><span class="lineno"> 72</span> </div> <div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="comment">/* Macro to byteswap a float32 variable. x = ptr to variable */</span></div> <div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="preprocessor">#define SWAP_FLOAT32(x) SWAP_INT32((int32 *) x)</span></div> <div class="line"><a name="l00075"></a><span class="lineno"> 75</span> </div> <div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="comment">/* Macro to byteswap a float64 variable. x = ptr to variable */</span></div> <div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="preprocessor">#define SWAP_FLOAT64(x) { int *low = (int *) (x), *high = (int *) (x) + 1,\</span></div> <div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="preprocessor"> temp;\</span></div> <div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="preprocessor"> SWAP_INT32(low); SWAP_INT32(high);\</span></div> <div class="line"><a name="l00080"></a><span class="lineno"> 80</span> <span class="preprocessor"> temp = *low; *low = *high; *high = temp;}</span></div> <div class="line"><a name="l00081"></a><span class="lineno"> 81</span> </div> <div class="line"><a name="l00082"></a><span class="lineno"> 82</span> <span class="preprocessor">#ifdef WORDS_BIGENDIAN</span></div> <div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <span class="preprocessor">#define SWAP_BE_64(x)</span></div> <div class="line"><a name="l00084"></a><span class="lineno"> 84</span> <span class="preprocessor">#define SWAP_BE_32(x)</span></div> <div class="line"><a name="l00085"></a><span class="lineno"> 85</span> <span class="preprocessor">#define SWAP_BE_16(x)</span></div> <div class="line"><a name="l00086"></a><span class="lineno"> 86</span> <span class="preprocessor">#define SWAP_LE_64(x) SWAP_FLOAT64(x)</span></div> <div class="line"><a name="l00087"></a><span class="lineno"> 87</span> <span class="preprocessor">#define SWAP_LE_32(x) SWAP_INT32(x)</span></div> <div class="line"><a name="l00088"></a><span class="lineno"> 88</span> <span class="preprocessor">#define SWAP_LE_16(x) SWAP_INT16(x)</span></div> <div class="line"><a name="l00089"></a><span class="lineno"> 89</span> <span class="preprocessor">#else</span></div> <div class="line"><a name="l00090"></a><span class="lineno"> 90</span> <span class="preprocessor">#define SWAP_LE_64(x)</span></div> <div class="line"><a name="l00091"></a><span class="lineno"> 91</span> <span class="preprocessor">#define SWAP_LE_32(x)</span></div> <div class="line"><a name="l00092"></a><span class="lineno"> 92</span> <span class="preprocessor">#define SWAP_LE_16(x)</span></div> <div class="line"><a name="l00093"></a><span class="lineno"> 93</span> <span class="preprocessor">#define SWAP_BE_64(x) SWAP_FLOAT64(x)</span></div> <div class="line"><a name="l00094"></a><span class="lineno"> 94</span> <span class="preprocessor">#define SWAP_BE_32(x) SWAP_INT32(x)</span></div> <div class="line"><a name="l00095"></a><span class="lineno"> 95</span> <span class="preprocessor">#define SWAP_BE_16(x) SWAP_INT16(x)</span></div> <div class="line"><a name="l00096"></a><span class="lineno"> 96</span> <span class="preprocessor">#endif</span></div> <div class="line"><a name="l00097"></a><span class="lineno"> 97</span> </div> <div class="line"><a name="l00098"></a><span class="lineno"> 98</span> <span class="preprocessor">#endif</span></div> </div><!-- fragment --></div><!-- contents --> </div><!-- doc-content --> <!-- start footer part --> <div id="nav-path" class="navpath"><!-- id is needed for treeview function! --> <ul> <li class="navelem"><a class="el" href="dir_d44c64559bbebec7f509842c48db8b23.html">include</a></li><li class="navelem"><a class="el" href="dir_e3d154c296a8e9be2797a4f81e9375b2.html">sphinxbase</a></li><li class="navelem"><b>byteorder.h</b></li> <li class="footer">Generated on Sat Oct 18 2014 15:21:16 for SphinxBase by <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.8 </li> </ul> </div> </body> </html>