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annotate test/testplatform.c @ 1879:cb232e63552c

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Default the X11 dynamically loading on if the OS loader loads libraries with their private symbols hidden. If that isn't the case, and someone tries to enable it anyway, spit out a warning and don't let them do it.
author Sam Lantinga <slouken@libsdl.org>
date Fri, 23 Jun 2006 08:39:05 +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 }