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annotate test/testplatform.c @ 3876:cf4744dbb1cf SDL-1.2

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Fixed bug #316 Looks like this is a long standing typo... is this code even used anymore?
author Sam Lantinga <slouken@libsdl.org>
date Sun, 24 Sep 2006 00:55:00 +0000
parents f12379c41042
children 782fd950bd46 c121d94672cb 6d2e1961661a
rev   line source
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1
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2 #include <stdio.h>
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3
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4 #include "SDL.h"
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5 #include "SDL_endian.h"
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6 #include "SDL_cpuinfo.h"
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7
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8 /*
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9 * Watcom C flags these as Warning 201: "Unreachable code" if you just
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10 * compare them directly, so we push it through a function to keep the
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11 * compiler quiet. --ryan.
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12 */
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13 static int badsize(size_t sizeoftype, size_t hardcodetype)
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14 {
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15 return sizeoftype != hardcodetype;
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16 }
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17
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18 int TestTypes(SDL_bool verbose)
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19 {
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20 int error = 0;
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21
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22 if ( badsize(sizeof(Uint8), 1) ) {
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23 if ( verbose )
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24 printf("sizeof(Uint8) != 1, instead = %ul\n",
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25 sizeof(Uint8));
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26 ++error;
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27 }
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28 if ( badsize(sizeof(Uint16), 2) ) {
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29 if ( verbose )
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30 printf("sizeof(Uint16) != 2, instead = %ul\n",
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31 sizeof(Uint16));
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32 ++error;
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33 }
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34 if ( badsize(sizeof(Uint32), 4) ) {
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35 if ( verbose )
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36 printf("sizeof(Uint32) != 4, instead = %ul\n",
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37 sizeof(Uint32));
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38 ++error;
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39 }
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40 #ifdef SDL_HAS_64BIT_TYPE
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41 if ( badsize(sizeof(Uint64), 8) ) {
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42 if ( verbose )
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43 printf("sizeof(Uint64) != 8, instead = %ul\n",
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44 sizeof(Uint64));
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45 ++error;
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46 }
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47 #else
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48 if ( verbose ) {
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49 printf("WARNING: No 64-bit datatype on this platform\n");
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50 }
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51 #endif
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52 if ( verbose && !error )
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53 printf("All data types are the expected size.\n");
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54
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55 return( error ? 1 : 0 );
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56 }
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57
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58 int TestEndian(SDL_bool verbose)
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59 {
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60 int error = 0;
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61 Uint16 value = 0x1234;
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62 int real_byteorder;
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63 Uint16 value16 = 0xCDAB;
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64 Uint16 swapped16 = 0xABCD;
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65 Uint32 value32 = 0xEFBEADDE;
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66 Uint32 swapped32 = 0xDEADBEEF;
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67 #ifdef SDL_HAS_64BIT_TYPE
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68 Uint64 value64, swapped64;
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69 value64 = 0xEFBEADDE;
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70 value64 <<= 32;
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71 value64 |= 0xCDAB3412;
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72 swapped64 = 0x1234ABCD;
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73 swapped64 <<= 32;
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74 swapped64 |= 0xDEADBEEF;
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75 #endif
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76
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77 if ( verbose ) {
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78 printf("Detected a %s endian machine.\n",
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79 (SDL_BYTEORDER == SDL_LIL_ENDIAN) ? "little" : "big");
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80 }
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81 if ( (*((char *)&value) >> 4) == 0x1 ) {
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82 real_byteorder = SDL_BIG_ENDIAN;
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83 } else {
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84 real_byteorder = SDL_LIL_ENDIAN;
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85 }
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86 if ( real_byteorder != SDL_BYTEORDER ) {
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87 if ( verbose ) {
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88 printf("Actually a %s endian machine!\n",
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89 (real_byteorder == SDL_LIL_ENDIAN) ? "little" : "big");
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90 }
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91 ++error;
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92 }
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93 if ( verbose ) {
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94 printf("Value 16 = 0x%X, swapped = 0x%X\n", value16, SDL_Swap16(value16));
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95 }
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96 if ( SDL_Swap16(value16) != swapped16 ) {
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97 if ( verbose ) {
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98 printf("16 bit value swapped incorrectly!\n");
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99 }
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100 ++error;
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101 }
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102 if ( verbose ) {
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103 printf("Value 32 = 0x%X, swapped = 0x%X\n", value32, SDL_Swap32(value32));
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104 }
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105 if ( SDL_Swap32(value32) != swapped32 ) {
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106 if ( verbose ) {
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107 printf("32 bit value swapped incorrectly!\n");
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108 }
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109 ++error;
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110 }
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111 #ifdef SDL_HAS_64BIT_TYPE
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112 if ( verbose ) {
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113 #ifdef _MSC_VER
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114 printf("Value 64 = 0x%I64X, swapped = 0x%I64X\n", value64, SDL_Swap64(value64));
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115 #else
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116 printf("Value 64 = 0x%llX, swapped = 0x%llX\n", value64, SDL_Swap64(value64));
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117 #endif
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118 }
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119 if ( SDL_Swap64(value64) != swapped64 ) {
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120 if ( verbose ) {
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121 printf("64 bit value swapped incorrectly!\n");
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122 }
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123 ++error;
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124 }
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125 #endif
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126 return( error ? 1 : 0 );
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127 }
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128
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129
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130 int TestCPUInfo(SDL_bool verbose)
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131 {
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132 if ( verbose ) {
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133 printf("RDTSC %s\n", SDL_HasRDTSC() ? "detected" : "not detected");
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134 printf("MMX %s\n", SDL_HasMMX() ? "detected" : "not detected");
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135 printf("MMX Ext %s\n", SDL_HasMMXExt() ? "detected" : "not detected");
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136 printf("3DNow %s\n", SDL_Has3DNow() ? "detected" : "not detected");
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137 printf("3DNow Ext %s\n", SDL_Has3DNowExt() ? "detected" : "not detected");
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138 printf("SSE %s\n", SDL_HasSSE() ? "detected" : "not detected");
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139 printf("SSE2 %s\n", SDL_HasSSE2() ? "detected" : "not detected");
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140 printf("AltiVec %s\n", SDL_HasAltiVec() ? "detected" : "not detected");
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141 }
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142 return(0);
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143 }
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144
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145 int main(int argc, char *argv[])
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146 {
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147 SDL_bool verbose = SDL_TRUE;
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148 int status = 0;
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149
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150 if ( argv[1] && (SDL_strcmp(argv[1], "-q") == 0) ) {
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151 verbose = SDL_FALSE;
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152 }
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153 if ( verbose ) {
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154 printf("This system is running %s\n",
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155 #if __AIX__
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156 "AIX"
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157 #elif __AMIGA__
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158 "AmigaOS"
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159 #elif __BEOS__
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160 "BeOS"
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161 #elif __BSDI__
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162 "BSDI"
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163 #elif __DREAMCAST__
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164 "Dreamcast"
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165 #elif __FREEBSD__
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166 "FreeBSD"
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167 #elif __HPUX__
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168 "HP-UX"
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169 #elif __IRIX__
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170 "Irix"
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171 #elif __LINUX__
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172 "Linux"
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173 #elif __MINT__
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174 "Atari MiNT"
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175 #elif __MACOS__
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176 "MacOS Classic"
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177 #elif __MACOSX__
1621
f12379c41042 Fixes bug #195:
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178 "Mac OS X"
1421
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179 #elif __NETBSD__
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180 "NetBSD"
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181 #elif __OPENBSD__
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182 "OpenBSD"
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183 #elif __OS2__
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184 "OS/2"
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185 #elif __OSF__
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186 "OSF/1"
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187 #elif __QNXNTO__
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188 "QNX Neutrino"
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189 #elif __RISCOS__
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190 "RISC OS"
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191 #elif __SOLARIS__
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192 "Solaris"
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193 #elif __WIN32__
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194 #ifdef _WIN32_WCE
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195 "Windows CE"
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196 #else
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197 "Windows"
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198 #endif
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199 #else
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200 "an unknown operating system! (see SDL_platform.h)"
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201 #endif
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202 );
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203 }
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204
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205 status += TestTypes(verbose);
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206 status += TestEndian(verbose);
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207 status += TestCPUInfo(verbose);
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208 return status;
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209 }