il__endian_8h-source.html 30 KB

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  16. <h1>/home/dwoods/DevIL/src-IL/include/il_endian.h</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">//-----------------------------------------------------------------------------</span>
  17. <a name="l00002"></a>00002 <span class="comment">//</span>
  18. <a name="l00003"></a>00003 <span class="comment">// ImageLib Sources</span>
  19. <a name="l00004"></a>00004 <span class="comment">// Copyright (C) 2000-2009 by Denton Woods</span>
  20. <a name="l00005"></a>00005 <span class="comment">// Last modified: 01/29/2009</span>
  21. <a name="l00006"></a>00006 <span class="comment">//</span>
  22. <a name="l00007"></a>00007 <span class="comment">// Filename: src-IL/include/il_endian.h</span>
  23. <a name="l00008"></a>00008 <span class="comment">//</span>
  24. <a name="l00009"></a>00009 <span class="comment">// Description: Handles Endian-ness</span>
  25. <a name="l00010"></a>00010 <span class="comment">//</span>
  26. <a name="l00011"></a>00011 <span class="comment">//-----------------------------------------------------------------------------</span>
  27. <a name="l00012"></a>00012
  28. <a name="l00013"></a>00013 <span class="preprocessor">#ifndef IL_ENDIAN_H</span>
  29. <a name="l00014"></a>00014 <span class="preprocessor"></span><span class="preprocessor">#define IL_ENDIAN_H</span>
  30. <a name="l00015"></a>00015 <span class="preprocessor"></span>
  31. <a name="l00016"></a>00016 <span class="preprocessor">#include "il_internal.h"</span>
  32. <a name="l00017"></a>00017
  33. <a name="l00018"></a>00018 <span class="preprocessor">#ifdef WORDS_BIGENDIAN // This is defined by ./configure.</span>
  34. <a name="l00019"></a>00019 <span class="preprocessor"></span><span class="preprocessor"> #ifndef __BIG_ENDIAN__</span>
  35. <a name="l00020"></a>00020 <span class="preprocessor"></span><span class="preprocessor"> #define __BIG_ENDIAN__ 1</span>
  36. <a name="l00021"></a>00021 <span class="preprocessor"></span><span class="preprocessor"> #endif</span>
  37. <a name="l00022"></a>00022 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
  38. <a name="l00023"></a>00023 <span class="preprocessor"></span>
  39. <a name="l00024"></a>00024 <span class="preprocessor">#if (defined(__BYTE_ORDER__) &amp;&amp; __BYTE_ORDER__ == __BIG_ENDIAN__) \</span>
  40. <a name="l00025"></a>00025 <span class="preprocessor"> || (defined(__BIG_ENDIAN__) &amp;&amp; !defined(__LITTLE_ENDIAN__))</span>
  41. <a name="l00026"></a>00026 <span class="preprocessor"></span><span class="preprocessor"> #undef __LITTLE_ENDIAN__</span>
  42. <a name="l00027"></a>00027 <span class="preprocessor"></span><span class="preprocessor"> #define Short(s) iSwapShort(s)</span>
  43. <a name="l00028"></a>00028 <span class="preprocessor"></span><span class="preprocessor"> #define UShort(s) iSwapUShort(s)</span>
  44. <a name="l00029"></a>00029 <span class="preprocessor"></span><span class="preprocessor"> #define Int(i) iSwapInt(i)</span>
  45. <a name="l00030"></a>00030 <span class="preprocessor"></span><span class="preprocessor"> #define UInt(i) iSwapUInt(i)</span>
  46. <a name="l00031"></a>00031 <span class="preprocessor"></span><span class="preprocessor"> #define Float(f) iSwapFloat(f)</span>
  47. <a name="l00032"></a>00032 <span class="preprocessor"></span><span class="preprocessor"> #define Double(d) iSwapDouble(d)</span>
  48. <a name="l00033"></a>00033 <span class="preprocessor"></span>
  49. <a name="l00034"></a>00034 <span class="preprocessor"> #define BigShort(s) </span>
  50. <a name="l00035"></a>00035 <span class="preprocessor"></span><span class="preprocessor"> #define BigUShort(s) </span>
  51. <a name="l00036"></a>00036 <span class="preprocessor"></span><span class="preprocessor"> #define BigInt(i) </span>
  52. <a name="l00037"></a>00037 <span class="preprocessor"></span><span class="preprocessor"> #define BigUInt(i) </span>
  53. <a name="l00038"></a>00038 <span class="preprocessor"></span><span class="preprocessor"> #define BigFloat(f) </span>
  54. <a name="l00039"></a>00039 <span class="preprocessor"></span><span class="preprocessor"> #define BigDouble(d) </span>
  55. <a name="l00040"></a>00040 <span class="preprocessor"></span><span class="preprocessor">#else</span>
  56. <a name="l00041"></a>00041 <span class="preprocessor"></span><span class="preprocessor"> #undef __BIG_ENDIAN__</span>
  57. <a name="l00042"></a>00042 <span class="preprocessor"></span><span class="preprocessor"> #undef __LITTLE_ENDIAN__ // Not sure if it's defined by any compiler...</span>
  58. <a name="l00043"></a>00043 <span class="preprocessor"></span><span class="preprocessor"> #define __LITTLE_ENDIAN__</span>
  59. <a name="l00044"></a>00044 <span class="preprocessor"></span><span class="preprocessor"> #define Short(s) </span>
  60. <a name="l00045"></a>00045 <span class="preprocessor"></span><span class="preprocessor"> #define UShort(s) </span>
  61. <a name="l00046"></a>00046 <span class="preprocessor"></span><span class="preprocessor"> #define Int(i) </span>
  62. <a name="l00047"></a>00047 <span class="preprocessor"></span><span class="preprocessor"> #define UInt(i) </span>
  63. <a name="l00048"></a>00048 <span class="preprocessor"></span><span class="preprocessor"> #define Float(f) </span>
  64. <a name="l00049"></a>00049 <span class="preprocessor"></span><span class="preprocessor"> #define Double(d) </span>
  65. <a name="l00050"></a>00050 <span class="preprocessor"></span>
  66. <a name="l00051"></a>00051 <span class="preprocessor"> #define BigShort(s) iSwapShort(s)</span>
  67. <a name="l00052"></a>00052 <span class="preprocessor"></span><span class="preprocessor"> #define BigUShort(s) iSwapUShort(s)</span>
  68. <a name="l00053"></a>00053 <span class="preprocessor"></span><span class="preprocessor"> #define BigInt(i) iSwapInt(i)</span>
  69. <a name="l00054"></a>00054 <span class="preprocessor"></span><span class="preprocessor"> #define BigUInt(i) iSwapUInt(i)</span>
  70. <a name="l00055"></a>00055 <span class="preprocessor"></span><span class="preprocessor"> #define BigFloat(f) iSwapFloat(f)</span>
  71. <a name="l00056"></a>00056 <span class="preprocessor"></span><span class="preprocessor"> #define BigDouble(d) iSwapDouble(d)</span>
  72. <a name="l00057"></a>00057 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
  73. <a name="l00058"></a>00058 <span class="preprocessor"></span>
  74. <a name="l00059"></a>00059 <span class="keywordtype">void</span> iSwapUShort(ILushort *s);
  75. <a name="l00060"></a>00060 <span class="keywordtype">void</span> iSwapShort(ILshort *s);
  76. <a name="l00061"></a>00061 <span class="keywordtype">void</span> iSwapUInt(ILuint *i);
  77. <a name="l00062"></a>00062 <span class="keywordtype">void</span> iSwapInt(ILint *i);
  78. <a name="l00063"></a>00063 <span class="keywordtype">void</span> iSwapFloat(ILfloat *f);
  79. <a name="l00064"></a>00064 <span class="keywordtype">void</span> iSwapDouble(ILdouble *d);
  80. <a name="l00065"></a>00065 ILushort GetLittleUShort();
  81. <a name="l00066"></a>00066 ILshort GetLittleShort();
  82. <a name="l00067"></a>00067 ILuint GetLittleUInt();
  83. <a name="l00068"></a>00068 ILint GetLittleInt();
  84. <a name="l00069"></a>00069 ILfloat GetLittleFloat();
  85. <a name="l00070"></a>00070 ILdouble GetLittleDouble();
  86. <a name="l00071"></a>00071 ILushort GetBigUShort();
  87. <a name="l00072"></a>00072 ILshort GetBigShort();
  88. <a name="l00073"></a>00073 ILuint GetBigUInt();
  89. <a name="l00074"></a>00074 ILint GetBigInt();
  90. <a name="l00075"></a>00075 ILfloat GetBigFloat();
  91. <a name="l00076"></a>00076 ILdouble GetBigDouble();
  92. <a name="l00077"></a>00077 ILubyte SaveLittleUShort(ILushort s);
  93. <a name="l00078"></a>00078 ILubyte SaveLittleShort(ILshort s);
  94. <a name="l00079"></a>00079 ILubyte SaveLittleUInt(ILuint i);
  95. <a name="l00080"></a>00080 ILubyte SaveLittleInt(ILint i);
  96. <a name="l00081"></a>00081 ILubyte SaveLittleFloat(ILfloat f);
  97. <a name="l00082"></a>00082 ILubyte SaveLittleDouble(ILdouble d);
  98. <a name="l00083"></a>00083 ILubyte SaveBigUShort(ILushort s);
  99. <a name="l00084"></a>00084 ILubyte SaveBigShort(ILshort s);
  100. <a name="l00085"></a>00085 ILubyte SaveBigUInt(ILuint i);
  101. <a name="l00086"></a>00086 ILubyte SaveBigInt(ILint i);
  102. <a name="l00087"></a>00087 ILubyte SaveBigFloat(ILfloat f);
  103. <a name="l00088"></a>00088 ILubyte SaveBigDouble(ILdouble d);
  104. <a name="l00089"></a>00089
  105. <a name="l00090"></a>00090 <span class="preprocessor">#ifdef IL_ENDIAN_C</span>
  106. <a name="l00091"></a>00091 <span class="preprocessor"></span><span class="preprocessor">#undef NOINLINE</span>
  107. <a name="l00092"></a>00092 <span class="preprocessor"></span><span class="preprocessor">#undef INLINE</span>
  108. <a name="l00093"></a>00093 <span class="preprocessor"></span><span class="preprocessor">#define INLINE</span>
  109. <a name="l00094"></a>00094 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
  110. <a name="l00095"></a>00095 <span class="preprocessor"></span>
  111. <a name="l00096"></a>00096 <span class="preprocessor">#ifndef NOINLINE</span>
  112. <a name="l00097"></a>00097 <span class="preprocessor"></span>INLINE <span class="keywordtype">void</span> iSwapUShort(ILushort *s) {
  113. <a name="l00098"></a>00098 <span class="preprocessor"> #ifdef USE_WIN32_ASM</span>
  114. <a name="l00099"></a>00099 <span class="preprocessor"></span> __asm {
  115. <a name="l00100"></a>00100 mov ebx, s
  116. <a name="l00101"></a>00101 mov al, [ebx+1]
  117. <a name="l00102"></a>00102 mov ah, [ebx ]
  118. <a name="l00103"></a>00103 mov [ebx], ax
  119. <a name="l00104"></a>00104 }
  120. <a name="l00105"></a>00105 <span class="preprocessor"> #else</span>
  121. <a name="l00106"></a>00106 <span class="preprocessor"></span><span class="preprocessor"> #ifdef GCC_X86_ASM</span>
  122. <a name="l00107"></a>00107 <span class="preprocessor"></span> <span class="keyword">asm</span>(<span class="stringliteral">"ror $8,%0"</span>
  123. <a name="l00108"></a>00108 : <span class="stringliteral">"=r"</span> (*s)
  124. <a name="l00109"></a>00109 : <span class="stringliteral">"0"</span> (*s));
  125. <a name="l00110"></a>00110 <span class="preprocessor"> #else</span>
  126. <a name="l00111"></a>00111 <span class="preprocessor"></span> *s = ((*s)&gt;&gt;8) | ((*s)&lt;&lt;8);
  127. <a name="l00112"></a>00112 <span class="preprocessor"> #endif //GCC_X86_ASM</span>
  128. <a name="l00113"></a>00113 <span class="preprocessor"></span><span class="preprocessor"> #endif //USE_WIN32_ASM</span>
  129. <a name="l00114"></a>00114 <span class="preprocessor"></span>}
  130. <a name="l00115"></a>00115
  131. <a name="l00116"></a>00116 INLINE <span class="keywordtype">void</span> iSwapShort(ILshort *s) {
  132. <a name="l00117"></a>00117 iSwapUShort((ILushort*)s);
  133. <a name="l00118"></a>00118 }
  134. <a name="l00119"></a>00119
  135. <a name="l00120"></a>00120 INLINE <span class="keywordtype">void</span> iSwapUInt(ILuint *i) {
  136. <a name="l00121"></a>00121 <span class="preprocessor"> #ifdef USE_WIN32_ASM</span>
  137. <a name="l00122"></a>00122 <span class="preprocessor"></span> __asm {
  138. <a name="l00123"></a>00123 mov ebx, i
  139. <a name="l00124"></a>00124 mov eax, [ebx]
  140. <a name="l00125"></a>00125 bswap eax
  141. <a name="l00126"></a>00126 mov [ebx], eax
  142. <a name="l00127"></a>00127 }
  143. <a name="l00128"></a>00128 <span class="preprocessor"> #else</span>
  144. <a name="l00129"></a>00129 <span class="preprocessor"></span><span class="preprocessor"> #ifdef GCC_X86_ASM</span>
  145. <a name="l00130"></a>00130 <span class="preprocessor"></span> <span class="keyword">asm</span>(<span class="stringliteral">"bswap %0;"</span>
  146. <a name="l00131"></a>00131 : <span class="stringliteral">"+r"</span> (*i));
  147. <a name="l00132"></a>00132 <span class="preprocessor"> #else</span>
  148. <a name="l00133"></a>00133 <span class="preprocessor"></span> *i = ((*i)&gt;&gt;24) | (((*i)&gt;&gt;8) &amp; 0xff00) | (((*i)&lt;&lt;8) &amp; 0xff0000) | ((*i)&lt;&lt;24);
  149. <a name="l00134"></a>00134 <span class="preprocessor"> #endif //GCC_X86_ASM</span>
  150. <a name="l00135"></a>00135 <span class="preprocessor"></span><span class="preprocessor"> #endif //USE_WIN32_ASM</span>
  151. <a name="l00136"></a>00136 <span class="preprocessor"></span>}
  152. <a name="l00137"></a>00137
  153. <a name="l00138"></a>00138 INLINE <span class="keywordtype">void</span> iSwapInt(ILint *i) {
  154. <a name="l00139"></a>00139 iSwapUInt((ILuint*)i);
  155. <a name="l00140"></a>00140 }
  156. <a name="l00141"></a>00141
  157. <a name="l00142"></a>00142 INLINE <span class="keywordtype">void</span> iSwapFloat(ILfloat *f) {
  158. <a name="l00143"></a>00143 iSwapUInt((ILuint*)f);
  159. <a name="l00144"></a>00144 }
  160. <a name="l00145"></a>00145
  161. <a name="l00146"></a>00146 INLINE <span class="keywordtype">void</span> iSwapDouble(ILdouble *d) {
  162. <a name="l00147"></a>00147 <span class="preprocessor"> #ifdef GCC_X86_ASM</span>
  163. <a name="l00148"></a>00148 <span class="preprocessor"></span> <span class="keywordtype">int</span> *t = (<span class="keywordtype">int</span>*)d;
  164. <a name="l00149"></a>00149 <span class="keyword">asm</span>(<span class="stringliteral">"bswap %2 \n"</span>
  165. <a name="l00150"></a>00150 <span class="stringliteral">"bswap %3 \n"</span>
  166. <a name="l00151"></a>00151 <span class="stringliteral">"movl %2,%1 \n"</span>
  167. <a name="l00152"></a>00152 <span class="stringliteral">"movl %3,%0 \n"</span>
  168. <a name="l00153"></a>00153 : <span class="stringliteral">"=g"</span> (t[0]), <span class="stringliteral">"=g"</span> (t[1])
  169. <a name="l00154"></a>00154 : <span class="stringliteral">"r"</span> (t[0]), <span class="stringliteral">"r"</span> (t[1]));
  170. <a name="l00155"></a>00155 <span class="preprocessor"> #else</span>
  171. <a name="l00156"></a>00156 <span class="preprocessor"></span> ILubyte t,*b = (ILubyte*)d;
  172. <a name="l00157"></a>00157 <span class="preprocessor"> #define dswap(x,y) t=b[x];b[x]=b[y];b[y]=b[x];</span>
  173. <a name="l00158"></a>00158 <span class="preprocessor"></span> dswap(0,7);
  174. <a name="l00159"></a>00159 dswap(1,6);
  175. <a name="l00160"></a>00160 dswap(2,5);
  176. <a name="l00161"></a>00161 dswap(3,4);
  177. <a name="l00162"></a>00162 <span class="preprocessor"> #undef dswap</span>
  178. <a name="l00163"></a>00163 <span class="preprocessor"></span><span class="preprocessor"> #endif</span>
  179. <a name="l00164"></a>00164 <span class="preprocessor"></span>}
  180. <a name="l00165"></a>00165
  181. <a name="l00166"></a>00166
  182. <a name="l00167"></a>00167 INLINE ILushort GetLittleUShort() {
  183. <a name="l00168"></a>00168 ILushort s;
  184. <a name="l00169"></a>00169 iread(&amp;s, <span class="keyword">sizeof</span>(ILushort), 1);
  185. <a name="l00170"></a>00170 <span class="preprocessor">#ifdef __BIG_ENDIAN__</span>
  186. <a name="l00171"></a>00171 <span class="preprocessor"></span> iSwapUShort(&amp;s);
  187. <a name="l00172"></a>00172 <span class="preprocessor">#endif</span>
  188. <a name="l00173"></a>00173 <span class="preprocessor"></span> <span class="keywordflow">return</span> s;
  189. <a name="l00174"></a>00174 }
  190. <a name="l00175"></a>00175
  191. <a name="l00176"></a>00176 INLINE ILshort GetLittleShort() {
  192. <a name="l00177"></a>00177 ILshort s;
  193. <a name="l00178"></a>00178 iread(&amp;s, <span class="keyword">sizeof</span>(ILshort), 1);
  194. <a name="l00179"></a>00179 <span class="preprocessor">#ifdef __BIG_ENDIAN__</span>
  195. <a name="l00180"></a>00180 <span class="preprocessor"></span> iSwapShort(&amp;s);
  196. <a name="l00181"></a>00181 <span class="preprocessor">#endif</span>
  197. <a name="l00182"></a>00182 <span class="preprocessor"></span> <span class="keywordflow">return</span> s;
  198. <a name="l00183"></a>00183 }
  199. <a name="l00184"></a>00184
  200. <a name="l00185"></a>00185 INLINE ILuint GetLittleUInt() {
  201. <a name="l00186"></a>00186 ILuint i;
  202. <a name="l00187"></a>00187 iread(&amp;i, <span class="keyword">sizeof</span>(ILuint), 1);
  203. <a name="l00188"></a>00188 <span class="preprocessor">#ifdef __BIG_ENDIAN__</span>
  204. <a name="l00189"></a>00189 <span class="preprocessor"></span> iSwapUInt(&amp;i);
  205. <a name="l00190"></a>00190 <span class="preprocessor">#endif</span>
  206. <a name="l00191"></a>00191 <span class="preprocessor"></span> <span class="keywordflow">return</span> i;
  207. <a name="l00192"></a>00192 }
  208. <a name="l00193"></a>00193
  209. <a name="l00194"></a>00194 INLINE ILint GetLittleInt() {
  210. <a name="l00195"></a>00195 ILint i;
  211. <a name="l00196"></a>00196 iread(&amp;i, <span class="keyword">sizeof</span>(ILint), 1);
  212. <a name="l00197"></a>00197 <span class="preprocessor">#ifdef __BIG_ENDIAN__</span>
  213. <a name="l00198"></a>00198 <span class="preprocessor"></span> iSwapInt(&amp;i);
  214. <a name="l00199"></a>00199 <span class="preprocessor">#endif</span>
  215. <a name="l00200"></a>00200 <span class="preprocessor"></span> <span class="keywordflow">return</span> i;
  216. <a name="l00201"></a>00201 }
  217. <a name="l00202"></a>00202
  218. <a name="l00203"></a>00203 INLINE ILfloat GetLittleFloat() {
  219. <a name="l00204"></a>00204 ILfloat f;
  220. <a name="l00205"></a>00205 iread(&amp;f, <span class="keyword">sizeof</span>(ILfloat), 1);
  221. <a name="l00206"></a>00206 <span class="preprocessor">#ifdef __BIG_ENDIAN__</span>
  222. <a name="l00207"></a>00207 <span class="preprocessor"></span> iSwapFloat(&amp;f);
  223. <a name="l00208"></a>00208 <span class="preprocessor">#endif</span>
  224. <a name="l00209"></a>00209 <span class="preprocessor"></span> <span class="keywordflow">return</span> f;
  225. <a name="l00210"></a>00210 }
  226. <a name="l00211"></a>00211
  227. <a name="l00212"></a>00212 INLINE ILdouble GetLittleDouble() {
  228. <a name="l00213"></a>00213 ILdouble d;
  229. <a name="l00214"></a>00214 iread(&amp;d, <span class="keyword">sizeof</span>(ILdouble), 1);
  230. <a name="l00215"></a>00215 <span class="preprocessor">#ifdef __BIG_ENDIAN__</span>
  231. <a name="l00216"></a>00216 <span class="preprocessor"></span> iSwapDouble(&amp;d);
  232. <a name="l00217"></a>00217 <span class="preprocessor">#endif</span>
  233. <a name="l00218"></a>00218 <span class="preprocessor"></span> <span class="keywordflow">return</span> d;
  234. <a name="l00219"></a>00219 }
  235. <a name="l00220"></a>00220
  236. <a name="l00221"></a>00221
  237. <a name="l00222"></a>00222 INLINE ILushort GetBigUShort() {
  238. <a name="l00223"></a>00223 ILushort s;
  239. <a name="l00224"></a>00224 iread(&amp;s, <span class="keyword">sizeof</span>(ILushort), 1);
  240. <a name="l00225"></a>00225 <span class="preprocessor">#ifdef __LITTLE_ENDIAN__</span>
  241. <a name="l00226"></a>00226 <span class="preprocessor"></span> iSwapUShort(&amp;s);
  242. <a name="l00227"></a>00227 <span class="preprocessor">#endif</span>
  243. <a name="l00228"></a>00228 <span class="preprocessor"></span> <span class="keywordflow">return</span> s;
  244. <a name="l00229"></a>00229 }
  245. <a name="l00230"></a>00230
  246. <a name="l00231"></a>00231
  247. <a name="l00232"></a>00232 INLINE ILshort GetBigShort() {
  248. <a name="l00233"></a>00233 ILshort s;
  249. <a name="l00234"></a>00234 iread(&amp;s, <span class="keyword">sizeof</span>(ILshort), 1);
  250. <a name="l00235"></a>00235 <span class="preprocessor">#ifdef __LITTLE_ENDIAN__</span>
  251. <a name="l00236"></a>00236 <span class="preprocessor"></span> iSwapShort(&amp;s);
  252. <a name="l00237"></a>00237 <span class="preprocessor">#endif</span>
  253. <a name="l00238"></a>00238 <span class="preprocessor"></span> <span class="keywordflow">return</span> s;
  254. <a name="l00239"></a>00239 }
  255. <a name="l00240"></a>00240
  256. <a name="l00241"></a>00241
  257. <a name="l00242"></a>00242 INLINE ILuint GetBigUInt() {
  258. <a name="l00243"></a>00243 ILuint i;
  259. <a name="l00244"></a>00244 iread(&amp;i, <span class="keyword">sizeof</span>(ILuint), 1);
  260. <a name="l00245"></a>00245 <span class="preprocessor">#ifdef __LITTLE_ENDIAN__</span>
  261. <a name="l00246"></a>00246 <span class="preprocessor"></span> iSwapUInt(&amp;i);
  262. <a name="l00247"></a>00247 <span class="preprocessor">#endif</span>
  263. <a name="l00248"></a>00248 <span class="preprocessor"></span> <span class="keywordflow">return</span> i;
  264. <a name="l00249"></a>00249 }
  265. <a name="l00250"></a>00250
  266. <a name="l00251"></a>00251
  267. <a name="l00252"></a>00252 INLINE ILint GetBigInt() {
  268. <a name="l00253"></a>00253 ILint i;
  269. <a name="l00254"></a>00254 iread(&amp;i, <span class="keyword">sizeof</span>(ILint), 1);
  270. <a name="l00255"></a>00255 <span class="preprocessor">#ifdef __LITTLE_ENDIAN__</span>
  271. <a name="l00256"></a>00256 <span class="preprocessor"></span> iSwapInt(&amp;i);
  272. <a name="l00257"></a>00257 <span class="preprocessor">#endif</span>
  273. <a name="l00258"></a>00258 <span class="preprocessor"></span> <span class="keywordflow">return</span> i;
  274. <a name="l00259"></a>00259 }
  275. <a name="l00260"></a>00260
  276. <a name="l00261"></a>00261
  277. <a name="l00262"></a>00262 INLINE ILfloat GetBigFloat() {
  278. <a name="l00263"></a>00263 ILfloat f;
  279. <a name="l00264"></a>00264 iread(&amp;f, <span class="keyword">sizeof</span>(ILfloat), 1);
  280. <a name="l00265"></a>00265 <span class="preprocessor">#ifdef __LITTLE_ENDIAN__</span>
  281. <a name="l00266"></a>00266 <span class="preprocessor"></span> iSwapFloat(&amp;f);
  282. <a name="l00267"></a>00267 <span class="preprocessor">#endif</span>
  283. <a name="l00268"></a>00268 <span class="preprocessor"></span> <span class="keywordflow">return</span> f;
  284. <a name="l00269"></a>00269 }
  285. <a name="l00270"></a>00270
  286. <a name="l00271"></a>00271
  287. <a name="l00272"></a>00272 INLINE ILdouble GetBigDouble() {
  288. <a name="l00273"></a>00273 ILdouble d;
  289. <a name="l00274"></a>00274 iread(&amp;d, <span class="keyword">sizeof</span>(ILdouble), 1);
  290. <a name="l00275"></a>00275 <span class="preprocessor">#ifdef __LITTLE_ENDIAN__</span>
  291. <a name="l00276"></a>00276 <span class="preprocessor"></span> iSwapDouble(&amp;d);
  292. <a name="l00277"></a>00277 <span class="preprocessor">#endif</span>
  293. <a name="l00278"></a>00278 <span class="preprocessor"></span> <span class="keywordflow">return</span> d;
  294. <a name="l00279"></a>00279 }
  295. <a name="l00280"></a>00280
  296. <a name="l00281"></a>00281 INLINE ILubyte SaveLittleUShort(ILushort s) {
  297. <a name="l00282"></a>00282 <span class="preprocessor">#ifdef __BIG_ENDIAN__</span>
  298. <a name="l00283"></a>00283 <span class="preprocessor"></span> iSwapUShort(&amp;s);
  299. <a name="l00284"></a>00284 <span class="preprocessor">#endif</span>
  300. <a name="l00285"></a>00285 <span class="preprocessor"></span> <span class="keywordflow">return</span> iwrite(&amp;s, <span class="keyword">sizeof</span>(ILushort), 1);
  301. <a name="l00286"></a>00286 }
  302. <a name="l00287"></a>00287
  303. <a name="l00288"></a>00288 INLINE ILubyte SaveLittleShort(ILshort s) {
  304. <a name="l00289"></a>00289 <span class="preprocessor">#ifdef __BIG_ENDIAN__</span>
  305. <a name="l00290"></a>00290 <span class="preprocessor"></span> iSwapShort(&amp;s);
  306. <a name="l00291"></a>00291 <span class="preprocessor">#endif</span>
  307. <a name="l00292"></a>00292 <span class="preprocessor"></span> <span class="keywordflow">return</span> iwrite(&amp;s, <span class="keyword">sizeof</span>(ILshort), 1);
  308. <a name="l00293"></a>00293 }
  309. <a name="l00294"></a>00294
  310. <a name="l00295"></a>00295
  311. <a name="l00296"></a>00296 INLINE ILubyte SaveLittleUInt(ILuint i) {
  312. <a name="l00297"></a>00297 <span class="preprocessor">#ifdef __BIG_ENDIAN__</span>
  313. <a name="l00298"></a>00298 <span class="preprocessor"></span> iSwapUInt(&amp;i);
  314. <a name="l00299"></a>00299 <span class="preprocessor">#endif</span>
  315. <a name="l00300"></a>00300 <span class="preprocessor"></span> <span class="keywordflow">return</span> iwrite(&amp;i, <span class="keyword">sizeof</span>(ILuint), 1);
  316. <a name="l00301"></a>00301 }
  317. <a name="l00302"></a>00302
  318. <a name="l00303"></a>00303
  319. <a name="l00304"></a>00304 INLINE ILubyte SaveLittleInt(ILint i) {
  320. <a name="l00305"></a>00305 <span class="preprocessor">#ifdef __BIG_ENDIAN__</span>
  321. <a name="l00306"></a>00306 <span class="preprocessor"></span> iSwapInt(&amp;i);
  322. <a name="l00307"></a>00307 <span class="preprocessor">#endif</span>
  323. <a name="l00308"></a>00308 <span class="preprocessor"></span> <span class="keywordflow">return</span> iwrite(&amp;i, <span class="keyword">sizeof</span>(ILint), 1);
  324. <a name="l00309"></a>00309 }
  325. <a name="l00310"></a>00310
  326. <a name="l00311"></a>00311 INLINE ILubyte SaveLittleFloat(ILfloat f) {
  327. <a name="l00312"></a>00312 <span class="preprocessor">#ifdef __BIG_ENDIAN__</span>
  328. <a name="l00313"></a>00313 <span class="preprocessor"></span> iSwapFloat(&amp;f);
  329. <a name="l00314"></a>00314 <span class="preprocessor">#endif</span>
  330. <a name="l00315"></a>00315 <span class="preprocessor"></span> <span class="keywordflow">return</span> iwrite(&amp;f, <span class="keyword">sizeof</span>(ILfloat), 1);
  331. <a name="l00316"></a>00316 }
  332. <a name="l00317"></a>00317
  333. <a name="l00318"></a>00318
  334. <a name="l00319"></a>00319 INLINE ILubyte SaveLittleDouble(ILdouble d) {
  335. <a name="l00320"></a>00320 <span class="preprocessor">#ifdef __BIG_ENDIAN__</span>
  336. <a name="l00321"></a>00321 <span class="preprocessor"></span> iSwapDouble(&amp;d);
  337. <a name="l00322"></a>00322 <span class="preprocessor">#endif</span>
  338. <a name="l00323"></a>00323 <span class="preprocessor"></span> <span class="keywordflow">return</span> iwrite(&amp;d, <span class="keyword">sizeof</span>(ILdouble), 1);
  339. <a name="l00324"></a>00324 }
  340. <a name="l00325"></a>00325
  341. <a name="l00326"></a>00326
  342. <a name="l00327"></a>00327 INLINE ILubyte SaveBigUShort(ILushort s) {
  343. <a name="l00328"></a>00328 <span class="preprocessor">#ifdef __LITTLE_ENDIAN__</span>
  344. <a name="l00329"></a>00329 <span class="preprocessor"></span> iSwapUShort(&amp;s);
  345. <a name="l00330"></a>00330 <span class="preprocessor">#endif</span>
  346. <a name="l00331"></a>00331 <span class="preprocessor"></span> <span class="keywordflow">return</span> iwrite(&amp;s, <span class="keyword">sizeof</span>(ILushort), 1);
  347. <a name="l00332"></a>00332 }
  348. <a name="l00333"></a>00333
  349. <a name="l00334"></a>00334
  350. <a name="l00335"></a>00335 INLINE ILubyte SaveBigShort(ILshort s) {
  351. <a name="l00336"></a>00336 <span class="preprocessor">#ifdef __LITTLE_ENDIAN__</span>
  352. <a name="l00337"></a>00337 <span class="preprocessor"></span> iSwapShort(&amp;s);
  353. <a name="l00338"></a>00338 <span class="preprocessor">#endif</span>
  354. <a name="l00339"></a>00339 <span class="preprocessor"></span> <span class="keywordflow">return</span> iwrite(&amp;s, <span class="keyword">sizeof</span>(ILshort), 1);
  355. <a name="l00340"></a>00340 }
  356. <a name="l00341"></a>00341
  357. <a name="l00342"></a>00342
  358. <a name="l00343"></a>00343 INLINE ILubyte SaveBigUInt(ILuint i) {
  359. <a name="l00344"></a>00344 <span class="preprocessor">#ifdef __LITTLE_ENDIAN__</span>
  360. <a name="l00345"></a>00345 <span class="preprocessor"></span> iSwapUInt(&amp;i);
  361. <a name="l00346"></a>00346 <span class="preprocessor">#endif</span>
  362. <a name="l00347"></a>00347 <span class="preprocessor"></span> <span class="keywordflow">return</span> iwrite(&amp;i, <span class="keyword">sizeof</span>(ILuint), 1);
  363. <a name="l00348"></a>00348 }
  364. <a name="l00349"></a>00349
  365. <a name="l00350"></a>00350
  366. <a name="l00351"></a>00351 INLINE ILubyte SaveBigInt(ILint i) {
  367. <a name="l00352"></a>00352 <span class="preprocessor">#ifdef __LITTLE_ENDIAN__</span>
  368. <a name="l00353"></a>00353 <span class="preprocessor"></span> iSwapInt(&amp;i);
  369. <a name="l00354"></a>00354 <span class="preprocessor">#endif</span>
  370. <a name="l00355"></a>00355 <span class="preprocessor"></span> <span class="keywordflow">return</span> iwrite(&amp;i, <span class="keyword">sizeof</span>(ILint), 1);
  371. <a name="l00356"></a>00356 }
  372. <a name="l00357"></a>00357
  373. <a name="l00358"></a>00358
  374. <a name="l00359"></a>00359 INLINE ILubyte SaveBigFloat(ILfloat f) {
  375. <a name="l00360"></a>00360 <span class="preprocessor">#ifdef __LITTLE_ENDIAN__</span>
  376. <a name="l00361"></a>00361 <span class="preprocessor"></span> iSwapFloat(&amp;f);
  377. <a name="l00362"></a>00362 <span class="preprocessor">#endif</span>
  378. <a name="l00363"></a>00363 <span class="preprocessor"></span> <span class="keywordflow">return</span> iwrite(&amp;f, <span class="keyword">sizeof</span>(ILfloat), 1);
  379. <a name="l00364"></a>00364 }
  380. <a name="l00365"></a>00365
  381. <a name="l00366"></a>00366
  382. <a name="l00367"></a>00367 INLINE ILubyte SaveBigDouble(ILdouble d) {
  383. <a name="l00368"></a>00368 <span class="preprocessor">#ifdef __LITTLE_ENDIAN__</span>
  384. <a name="l00369"></a>00369 <span class="preprocessor"></span> iSwapDouble(&amp;d);
  385. <a name="l00370"></a>00370 <span class="preprocessor">#endif</span>
  386. <a name="l00371"></a>00371 <span class="preprocessor"></span> <span class="keywordflow">return</span> iwrite(&amp;d, <span class="keyword">sizeof</span>(ILdouble), 1);
  387. <a name="l00372"></a>00372 }
  388. <a name="l00373"></a>00373 <span class="preprocessor">#endif//NOINLINE</span>
  389. <a name="l00374"></a>00374 <span class="preprocessor"></span>
  390. <a name="l00375"></a>00375 <span class="keywordtype">void</span> EndianSwapData(<span class="keywordtype">void</span> *_Image);
  391. <a name="l00376"></a>00376
  392. <a name="l00377"></a>00377 <span class="preprocessor">#endif//ENDIAN_H</span>
  393. </pre></div></div>
  394. <hr size="1"><address style="text-align: right;"><small>Generated on Sun Mar 8 20:01:41 2009 for DevIL by&nbsp;
  395. <a href="http://www.doxygen.org/index.html">
  396. <img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.6 </small></address>
  397. </body>
  398. </html>