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<div class="title">endianess.h</div> </div>
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<a href="endianess_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>  </div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#ifndef __ENDIANESS_HANDLER__</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>  </div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  <span class="comment">/* The following is based on xorg/xserver/GL/glx/glxbyteorder.h</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment"> * which is (c) IBM Corp. 2006,2007 and originally licensed under the following</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment"> * BSD-license. All modifications in navit are licensed under the GNU GPL as</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment"> * described in file "COPYRIGHT".</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment"> * Portions also from GNU C Library include/bits/byteswap.h Also licsend</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment"> * under the GPL.</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment"> * --------------------------</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment"> * Permission is hereby granted, free of charge, to any person obtaining a</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment"> * copy of this software and associated documentation files (the "Software"),</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment"> * to deal in the Software without restriction, including without limitation</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="comment"> * the rights to use, copy, modify, merge, publish, distribute, sub license,</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="comment"> * and/or sell copies of the Software, and to permit persons to whom the</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="comment"> * Software is furnished to do so, subject to the following conditions:</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> <span class="comment"> * The above copyright notice and this permission notice (including the next</span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment"> * paragraph) shall be included in all copies or substantial portions of the</span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="comment"> * Software.</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"> * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR</span></div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="comment"> * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,</span></div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="comment"> * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL</span></div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="comment"> * THE COPYRIGHT HOLDERS, THE AUTHORS, AND/OR THEIR SUPPLIERS BE LIABLE FOR</span></div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="comment"> * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,</span></div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="comment"> * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE</span></div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="comment"> * OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.</span></div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="preprocessor">#if HAVE_BYTESWAP_H</span></div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="comment">/* machine dependent versions of byte swapping functions. GNU extension.*/</span></div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="preprocessor"> #include <byteswap.h></span></div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="preprocessor">#if HAVE_ENDIAN_H</span></div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="preprocessor"> #include <endian.h></span></div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="preprocessor">#elif defined(USE_SYS_ENDIAN_H)</span></div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="preprocessor"> #include <sys/endian.h></span></div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="preprocessor">#if defined(_BYTE_ORDER) && !defined(__BYTE_ORDER)</span></div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="preprocessor">#define __BYTE_ORDER _BYTE_ORDER</span></div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="preprocessor">#define __LITTLE_ENDIAN _LITTLE_ENDIAN</span></div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="preprocessor">#define __BIG_ENDIAN _BIG_ENDIAN</span></div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="preprocessor">#elif defined(__APPLE__)</span></div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="preprocessor"> #include <libkern/OSByteOrder.h></span></div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="preprocessor"> #define __bswap_16 OSSwapInt16</span></div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="preprocessor"> #define __bswap_32 OSSwapInt32</span></div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="preprocessor"> #define __bswap_64 OSSwapInt64</span></div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  </div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="preprocessor">#ifndef __BYTE_ORDER</span></div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="preprocessor"> #define __LITTLE_ENDIAN 1234</span></div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="preprocessor"> #define __BIG_ENDIAN 4321</span></div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  </div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="preprocessor"> #if defined(__LITTLE_ENDIAN__)</span></div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="preprocessor"> #define __BYTE_ORDER __LITTLE_ENDIAN</span></div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="preprocessor"> #elif defined(__BIG_ENDIAN__)</span></div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="preprocessor"> #define __BYTE_ORDER __BIG_ENDIAN</span></div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="preprocessor"> #else</span></div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="preprocessor"> #error "No endianness defined for Mac OS!"</span></div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="preprocessor"> #endif</span></div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  </div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span> <span class="preprocessor">#elif defined(_WIN32) || defined(__CEGCC__)</span></div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span> <span class="preprocessor"> #define __BIG_ENDIAN 4321</span></div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <span class="preprocessor"> #define __LITTLE_ENDIAN 1234</span></div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span> <span class="preprocessor"> #define __BYTE_ORDER __LITTLE_ENDIAN</span></div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00086"></a><span class="lineno"><a class="line" href="endianess_8h.html#a8cccb4a214faded757990fdbc99a0cd3"> 86</a></span> <span class="preprocessor"> #define __bswap_16(__bsx) ((((__bsx) >> 8) & 0xff) | (((__bsx) & 0xff) << 8))</span></div>
<div class="line"><a name="l00087"></a><span class="lineno"><a class="line" href="endianess_8h.html#a130b07d1d1fcbc63e83b346dd74397d5"> 87</a></span> <span class="preprocessor"> #define __bswap_32(__bsx) ((((__bsx) & 0xff000000) >> 24) | \</span></div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span> <span class="preprocessor"> (((__bsx) & 0x00ff0000) >> 8) |\</span></div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> <span class="preprocessor"> (((__bsx) & 0x0000ff00) << 8) | \</span></div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span> <span class="preprocessor"> (((__bsx) & 0x000000ff) << 24))</span></div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  </div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  </div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  </div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span> <span class="preprocessor">#if __BYTE_ORDER == __BIG_ENDIAN</span></div>
<div class="line"><a name="l00096"></a><span class="lineno"><a class="line" href="endianess_8h.html#a65e9510f535c1ee2f826d447471289fa"> 96</a></span> <span class="preprocessor"> #define le16_to_cpu(x) __bswap_16 (x)</span></div>
<div class="line"><a name="l00097"></a><span class="lineno"><a class="line" href="endianess_8h.html#a48f527b00bc1d5e46366d720280a1039"> 97</a></span> <span class="preprocessor"> #define le32_to_cpu(x) __bswap_32 (x)</span></div>
<div class="line"><a name="l00098"></a><span class="lineno"><a class="line" href="endianess_8h.html#a0987d88a4fac98f0b1d6355ef7aa77e2"> 98</a></span> <span class="preprocessor"> #define le64_to_cpu(x) __bswap_64 (x)</span></div>
<div class="line"><a name="l00099"></a><span class="lineno"><a class="line" href="endianess_8h.html#aeda3065f344779edb9023e22d84d5f92"> 99</a></span> <span class="preprocessor"> #define cpu_to_le16(x) __bswap_16 (x)</span></div>
<div class="line"><a name="l00100"></a><span class="lineno"><a class="line" href="endianess_8h.html#a1d5ae0c36d519a1b0a789db69a598f28"> 100</a></span> <span class="preprocessor"> #define cpu_to_le32(x) __bswap_32 (x)</span></div>
<div class="line"><a name="l00101"></a><span class="lineno"><a class="line" href="endianess_8h.html#aa170dc4b2dae5b00bdec3a307427240f"> 101</a></span> <span class="preprocessor"> #define cpu_to_le64(x) __bswap_64 (x)</span></div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span> <span class="preprocessor">#elif __BYTE_ORDER == __LITTLE_ENDIAN</span></div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span> <span class="preprocessor"> #define le16_to_cpu(x) (x)</span></div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span> <span class="preprocessor"> #define le32_to_cpu(x) (x)</span></div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span> <span class="preprocessor"> #define cpu_to_le16(x) (x)</span></div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="preprocessor"> #define cpu_to_le32(x) (x)</span></div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span> <span class="preprocessor"> #error "Unknown endianess"</span></div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  </div>
<div class="line"><a name="l00111"></a><span class="lineno"><a class="line" href="endianess_8h.html#ac902be04badd9a68d9ebbce6be15a576"> 111</a></span> <span class="preprocessor">#define __ENDIANESS_HANDLER__</span></div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  </div>
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