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<div class="title">SDL_endian.h</div> </div>
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<a href="SDL__endian_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">/*</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> Simple DirectMedia Layer</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> Copyright (C) 1997-2019 Sam Lantinga <slouken@libsdl.org></span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"></span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> This software is provided 'as-is', without any express or implied</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> warranty. In no event will the authors be held liable for any damages</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> arising from the use of this software.</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"></span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> Permission is granted to anyone to use this software for any purpose,</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> including commercial applications, and to alter it and redistribute it</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> freely, subject to the following restrictions:</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"> 1. The origin of this software must not be misrepresented; you must not</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> claim that you wrote the original software. If you use this software</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> in a product, an acknowledgment in the product documentation would be</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> appreciated but is not required.</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> 2. Altered source versions must be plainly marked as such, and must not be</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> misrepresented as being the original software.</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> 3. This notice may not be removed or altered from any source distribution.</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment">*/</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> </div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#ifndef SDL_endian_h_</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#define SDL_endian_h_</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> </div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include "<a class="code" href="SDL__stdinc_8h.html">SDL_stdinc.h</a>"</span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</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="preprocessor">#define SDL_LIL_ENDIAN 1234</span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor">#define SDL_BIG_ENDIAN 4321</span></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="comment">/* @} */</span></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> </div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="preprocessor">#ifndef SDL_BYTEORDER </span><span class="comment">/* Not defined in SDL_config.h? */</span><span class="preprocessor"></span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="preprocessor">#ifdef __linux__</span></div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="preprocessor">#include <endian.h></span></div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="preprocessor">#define SDL_BYTEORDER __BYTE_ORDER</span></div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="preprocessor">#else </span><span class="comment">/* __linux__ */</span><span class="preprocessor"></span></div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="preprocessor">#if defined(__hppa__) || \</span></div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="preprocessor"> defined(__m68k__) || defined(mc68000) || defined(_M_M68K) || \</span></div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="preprocessor"> (defined(__MIPS__) && defined(__MISPEB__)) || \</span></div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="preprocessor"> defined(__ppc__) || defined(__POWERPC__) || defined(_M_PPC) || \</span></div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="preprocessor"> defined(__sparc__)</span></div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="preprocessor">#define SDL_BYTEORDER SDL_BIG_ENDIAN</span></div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="preprocessor">#define SDL_BYTEORDER SDL_LIL_ENDIAN</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">#endif </span><span class="comment">/* __linux__ */</span><span class="preprocessor"></span></div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="preprocessor">#endif </span><span class="comment">/* !SDL_BYTEORDER */</span><span class="preprocessor"></span></div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> </div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> </div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="preprocessor">#include "<a class="code" href="begin__code_8h.html">begin_code.h</a>"</span></div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="comment">/* Set up for C function definitions, even when using C++ */</span></div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="preprocessor">#ifdef __cplusplus</span></div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="keyword">extern</span> <span class="stringliteral">"C"</span> {</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> </div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="preprocessor">#if defined(__GNUC__) && defined(__i386__) && \</span></div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="preprocessor"> !(__GNUC__ == 2 && __GNUC_MINOR__ == 95 </span><span class="comment">/* broken gcc version */</span><span class="preprocessor">)</span></div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span> SDL_FORCE_INLINE Uint16</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span> SDL_Swap16(Uint16 x)</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>  __asm__(<span class="stringliteral">"xchgb %b0,%h0"</span>: <span class="stringliteral">"=q"</span>(x):<span class="stringliteral">"0"</span>(x));</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keywordflow">return</span> x;</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="preprocessor">#elif defined(__GNUC__) && defined(__x86_64__)</span></div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span> SDL_FORCE_INLINE Uint16</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span> SDL_Swap16(Uint16 x)</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span> {</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  __asm__(<span class="stringliteral">"xchgb %b0,%h0"</span>: <span class="stringliteral">"=Q"</span>(x):<span class="stringliteral">"0"</span>(x));</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keywordflow">return</span> x;</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span> }</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <span class="preprocessor">#elif defined(__GNUC__) && (defined(__powerpc__) || defined(__ppc__))</span></div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span> SDL_FORCE_INLINE Uint16</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span> SDL_Swap16(Uint16 x)</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span> {</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keywordtype">int</span> result;</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span> </div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  __asm__(<span class="stringliteral">"rlwimi %0,%2,8,16,23"</span>: <span class="stringliteral">"=&r"</span>(result):<span class="stringliteral">"0"</span>(x >> 8), <span class="stringliteral">"r"</span>(x));</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordflow">return</span> (Uint16)result;</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> <span class="preprocessor">#elif defined(__GNUC__) && (defined(__M68000__) || defined(__M68020__)) && !defined(__mcoldfire__)</span></div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span> SDL_FORCE_INLINE Uint16</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span> SDL_Swap16(Uint16 x)</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span> {</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  __asm__(<span class="stringliteral">"rorw #8,%0"</span>: <span class="stringliteral">"=d"</span>(x): <span class="stringliteral">"0"</span>(x):<span class="stringliteral">"cc"</span>);</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keywordflow">return</span> x;</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span> }</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span> <span class="preprocessor">#elif defined(__WATCOMC__) && defined(__386__)</span></div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span> <span class="keyword">extern</span> _inline Uint16 SDL_Swap16(Uint16);</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span> <span class="preprocessor">#pragma aux SDL_Swap16 = \</span></div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span> <span class="preprocessor"> "xchg al, ah" \</span></div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span> <span class="preprocessor"> parm [ax] \</span></div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span> <span class="preprocessor"> modify [ax];</span></div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span> SDL_FORCE_INLINE Uint16</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span> SDL_Swap16(Uint16 x)</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span> {</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keywordflow">return</span> SDL_static_cast(Uint16, ((x << 8) | (x >> 8)));</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span> }</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span> </div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span> <span class="preprocessor">#if defined(__GNUC__) && defined(__i386__)</span></div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span> SDL_FORCE_INLINE Uint32</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span> SDL_Swap32(Uint32 x)</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span> {</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  __asm__(<span class="stringliteral">"bswap %0"</span>: <span class="stringliteral">"=r"</span>(x):<span class="stringliteral">"0"</span>(x));</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="keywordflow">return</span> x;</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span> }</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span> <span class="preprocessor">#elif defined(__GNUC__) && defined(__x86_64__)</span></div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span> SDL_FORCE_INLINE Uint32</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span> SDL_Swap32(Uint32 x)</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span> {</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  __asm__(<span class="stringliteral">"bswapl %0"</span>: <span class="stringliteral">"=r"</span>(x):<span class="stringliteral">"0"</span>(x));</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keywordflow">return</span> x;</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span> }</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span> <span class="preprocessor">#elif defined(__GNUC__) && (defined(__powerpc__) || defined(__ppc__))</span></div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span> SDL_FORCE_INLINE Uint32</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span> SDL_Swap32(Uint32 x)</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span> {</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  Uint32 result;</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span> </div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  __asm__(<span class="stringliteral">"rlwimi %0,%2,24,16,23"</span>: <span class="stringliteral">"=&r"</span>(result):<span class="stringliteral">"0"</span>(x >> 24), <span class="stringliteral">"r"</span>(x));</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  __asm__(<span class="stringliteral">"rlwimi %0,%2,8,8,15"</span>: <span class="stringliteral">"=&r"</span>(result):<span class="stringliteral">"0"</span>(result), <span class="stringliteral">"r"</span>(x));</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  __asm__(<span class="stringliteral">"rlwimi %0,%2,24,0,7"</span>: <span class="stringliteral">"=&r"</span>(result):<span class="stringliteral">"0"</span>(result), <span class="stringliteral">"r"</span>(x));</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="keywordflow">return</span> result;</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span> }</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span> <span class="preprocessor">#elif defined(__GNUC__) && (defined(__M68000__) || defined(__M68020__)) && !defined(__mcoldfire__)</span></div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span> SDL_FORCE_INLINE Uint32</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span> SDL_Swap32(Uint32 x)</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span> {</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  __asm__(<span class="stringliteral">"rorw #8,%0\n\tswap %0\n\trorw #8,%0"</span>: <span class="stringliteral">"=d"</span>(x): <span class="stringliteral">"0"</span>(x):<span class="stringliteral">"cc"</span>);</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="keywordflow">return</span> x;</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span> }</div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span> <span class="preprocessor">#elif defined(__WATCOMC__) && defined(__386__)</span></div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span> <span class="keyword">extern</span> _inline Uint32 SDL_Swap32(Uint32);</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span> <span class="preprocessor">#ifndef __SW_3 </span><span class="comment">/* 486+ */</span><span class="preprocessor"></span></div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span> <span class="preprocessor">#pragma aux SDL_Swap32 = \</span></div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span> <span class="preprocessor"> "bswap eax" \</span></div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span> <span class="preprocessor"> parm [eax] \</span></div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span> <span class="preprocessor"> modify [eax];</span></div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span> <span class="preprocessor">#else </span><span class="comment">/* 386-only */</span><span class="preprocessor"></span></div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span> <span class="preprocessor">#pragma aux SDL_Swap32 = \</span></div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span> <span class="preprocessor"> "xchg al, ah" \</span></div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span> <span class="preprocessor"> "ror eax, 16" \</span></div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span> <span class="preprocessor"> "xchg al, ah" \</span></div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span> <span class="preprocessor"> parm [eax] \</span></div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span> <span class="preprocessor"> modify [eax];</span></div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span> SDL_FORCE_INLINE Uint32</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span> SDL_Swap32(Uint32 x)</div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span> {</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keywordflow">return</span> SDL_static_cast(Uint32, ((x << 24) | ((x << 8) & 0x00FF0000) |</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  ((x >> 8) & 0x0000FF00) | (x >> 24)));</div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span> }</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span> </div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span> <span class="preprocessor">#if defined(__GNUC__) && defined(__i386__)</span></div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span> SDL_FORCE_INLINE Uint64</div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span> SDL_Swap64(Uint64 x)</div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span> {</div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="keyword">union</span></div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  {</div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="keyword">struct</span></div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  {</div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  Uint32 a, b;</div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  } s;</div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  Uint64 u;</div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  } v;</div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  v.u = x;</div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  __asm__(<span class="stringliteral">"bswapl %0 ; bswapl %1 ; xchgl %0,%1"</span>: <span class="stringliteral">"=r"</span>(v.s.a), <span class="stringliteral">"=r"</span>(v.s.b):<span class="stringliteral">"0"</span>(v.s.a),</div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <span class="stringliteral">"1"</span>(v.s.</div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  b));</div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="keywordflow">return</span> v.u;</div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span> }</div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span> <span class="preprocessor">#elif defined(__GNUC__) && defined(__x86_64__)</span></div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span> SDL_FORCE_INLINE Uint64</div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span> SDL_Swap64(Uint64 x)</div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span> {</div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  __asm__(<span class="stringliteral">"bswapq %0"</span>: <span class="stringliteral">"=r"</span>(x):<span class="stringliteral">"0"</span>(x));</div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <span class="keywordflow">return</span> x;</div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span> }</div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span> SDL_FORCE_INLINE Uint64</div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span> SDL_Swap64(Uint64 x)</div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span> {</div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  Uint32 hi, lo;</div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span> </div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="comment">/* Separate into high and low 32-bit values and swap them */</span></div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  lo = SDL_static_cast(Uint32, x & 0xFFFFFFFF);</div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  x >>= 32;</div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  hi = SDL_static_cast(Uint32, x & 0xFFFFFFFF);</div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  x = SDL_Swap32(lo);</div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  x <<= 32;</div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  x |= SDL_Swap32(hi);</div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <span class="keywordflow">return</span> (x);</div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span> }</div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span> </div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span> </div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span> SDL_FORCE_INLINE <span class="keywordtype">float</span></div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span> SDL_SwapFloat(<span class="keywordtype">float</span> x)</div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span> {</div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <span class="keyword">union</span></div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  {</div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <span class="keywordtype">float</span> f;</div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  Uint32 ui32;</div><div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  } swapper;</div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  swapper.f = x;</div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  swapper.ui32 = SDL_Swap32(swapper.ui32);</div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <span class="keywordflow">return</span> swapper.f;</div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span> }</div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span> </div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span> </div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span> <span class="comment">/* @{ */</span></div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span> <span class="preprocessor">#if SDL_BYTEORDER == SDL_LIL_ENDIAN</span></div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span> <span class="preprocessor">#define SDL_SwapLE16(X) (X)</span></div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span> <span class="preprocessor">#define SDL_SwapLE32(X) (X)</span></div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span> <span class="preprocessor">#define SDL_SwapLE64(X) (X)</span></div><div class="line"><a name="l00235"></a><span class="lineno"> 235</span> <span class="preprocessor">#define SDL_SwapFloatLE(X) (X)</span></div><div class="line"><a name="l00236"></a><span class="lineno"> 236</span> <span class="preprocessor">#define SDL_SwapBE16(X) SDL_Swap16(X)</span></div><div class="line"><a name="l00237"></a><span class="lineno"> 237</span> <span class="preprocessor">#define SDL_SwapBE32(X) SDL_Swap32(X)</span></div><div class="line"><a name="l00238"></a><span class="lineno"> 238</span> <span class="preprocessor">#define SDL_SwapBE64(X) SDL_Swap64(X)</span></div><div class="line"><a name="l00239"></a><span class="lineno"> 239</span> <span class="preprocessor">#define SDL_SwapFloatBE(X) SDL_SwapFloat(X)</span></div><div class="line"><a name="l00240"></a><span class="lineno"> 240</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00241"></a><span class="lineno"> 241</span> <span class="preprocessor">#define SDL_SwapLE16(X) SDL_Swap16(X)</span></div><div class="line"><a name="l00242"></a><span class="lineno"> 242</span> <span class="preprocessor">#define SDL_SwapLE32(X) SDL_Swap32(X)</span></div><div class="line"><a name="l00243"></a><span class="lineno"> 243</span> <span class="preprocessor">#define SDL_SwapLE64(X) SDL_Swap64(X)</span></div><div class="line"><a name="l00244"></a><span class="lineno"> 244</span> <span class="preprocessor">#define SDL_SwapFloatLE(X) SDL_SwapFloat(X)</span></div><div class="line"><a name="l00245"></a><span class="lineno"> 245</span> <span class="preprocessor">#define SDL_SwapBE16(X) (X)</span></div><div class="line"><a name="l00246"></a><span class="lineno"> 246</span> <span class="preprocessor">#define SDL_SwapBE32(X) (X)</span></div><div class="line"><a name="l00247"></a><span class="lineno"> 247</span> <span class="preprocessor">#define SDL_SwapBE64(X) (X)</span></div><div class="line"><a name="l00248"></a><span class="lineno"> 248</span> <span class="preprocessor">#define SDL_SwapFloatBE(X) (X)</span></div><div class="line"><a name="l00249"></a><span class="lineno"> 249</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00250"></a><span class="lineno"> 250</span> <span class="comment">/* @} */</span><span class="comment">/* Swap to native */</span></div><div class="line"><a name="l00251"></a><span class="lineno"> 251</span> </div><div class="line"><a name="l00252"></a><span class="lineno"> 252</span> <span class="comment">/* Ends C function definitions when using C++ */</span></div><div class="line"><a name="l00253"></a><span class="lineno"> 253</span> <span class="preprocessor">#ifdef __cplusplus</span></div><div class="line"><a name="l00254"></a><span class="lineno"> 254</span> }</div><div class="line"><a name="l00255"></a><span class="lineno"> 255</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00256"></a><span class="lineno"> 256</span> <span class="preprocessor">#include "<a class="code" href="close__code_8h.html">close_code.h</a>"</span></div><div class="line"><a name="l00257"></a><span class="lineno"> 257</span> </div><div class="line"><a name="l00258"></a><span class="lineno"> 258</span> <span class="preprocessor">#endif </span><span class="comment">/* SDL_endian_h_ */</span><span class="preprocessor"></span></div><div class="line"><a name="l00259"></a><span class="lineno"> 259</span> </div><div class="line"><a name="l00260"></a><span class="lineno"> 260</span> <span class="comment">/* vi: set ts=4 sw=4 expandtab: */</span></div><div class="ttc" id="begin__code_8h_html"><div class="ttname"><a href="begin__code_8h.html">begin_code.h</a></div></div>
<div class="ttc" id="SDL__stdinc_8h_html"><div class="ttname"><a href="SDL__stdinc_8h.html">SDL_stdinc.h</a></div></div>
<div class="ttc" id="close__code_8h_html"><div class="ttname"><a href="close__code_8h.html">close_code.h</a></div></div>
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