Mercurial > sdl-ios-xcode
annotate test/testplatform.c @ 2848:8a3aa505ecba
Comment cleanup.
author | Ryan C. Gordon <icculus@icculus.org> |
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date | Sun, 07 Dec 2008 07:16:40 +0000 |
parents | f55c87ae336b |
children | 245a7d79577c |
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 |
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14 badsize(size_t sizeoftype, size_t hardcodetype) |
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15 { |
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16 return sizeoftype != hardcodetype; |
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17 } |
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18 |
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19 int |
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20 TestTypes(SDL_bool verbose) |
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21 { |
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22 int error = 0; |
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23 |
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24 if (badsize(sizeof(Uint8), 1)) { |
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25 if (verbose) |
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26 printf("sizeof(Uint8) != 1, instead = %ul\n", sizeof(Uint8)); |
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27 ++error; |
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28 } |
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29 if (badsize(sizeof(Uint16), 2)) { |
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30 if (verbose) |
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31 printf("sizeof(Uint16) != 2, instead = %ul\n", 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", sizeof(Uint32)); |
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37 ++error; |
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38 } |
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39 #ifdef SDL_HAS_64BIT_TYPE |
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40 if (badsize(sizeof(Uint64), 8)) { |
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41 if (verbose) |
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42 printf("sizeof(Uint64) != 8, instead = %ul\n", sizeof(Uint64)); |
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43 ++error; |
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44 } |
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45 #else |
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46 if (verbose) { |
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47 printf("WARNING: No 64-bit datatype on this platform\n"); |
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48 } |
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49 #endif |
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50 if (verbose && !error) |
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51 printf("All data types are the expected size.\n"); |
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52 |
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53 return (error ? 1 : 0); |
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54 } |
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55 |
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56 int |
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57 TestEndian(SDL_bool verbose) |
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58 { |
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59 int error = 0; |
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60 Uint16 value = 0x1234; |
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61 int real_byteorder; |
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62 Uint16 value16 = 0xCDAB; |
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63 Uint16 swapped16 = 0xABCD; |
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64 Uint32 value32 = 0xEFBEADDE; |
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65 Uint32 swapped32 = 0xDEADBEEF; |
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66 #ifdef SDL_HAS_64BIT_TYPE |
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67 Uint64 value64, swapped64; |
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68 value64 = 0xEFBEADDE; |
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69 value64 <<= 32; |
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70 value64 |= 0xCDAB3412; |
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71 swapped64 = 0x1234ABCD; |
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72 swapped64 <<= 32; |
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73 swapped64 |= 0xDEADBEEF; |
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74 #endif |
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75 |
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76 if (verbose) { |
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77 printf("Detected a %s endian machine.\n", |
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78 (SDL_BYTEORDER == SDL_LIL_ENDIAN) ? "little" : "big"); |
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79 } |
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80 if ((*((char *) &value) >> 4) == 0x1) { |
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81 real_byteorder = SDL_BIG_ENDIAN; |
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82 } else { |
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83 real_byteorder = SDL_LIL_ENDIAN; |
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84 } |
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85 if (real_byteorder != SDL_BYTEORDER) { |
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86 if (verbose) { |
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87 printf("Actually a %s endian machine!\n", |
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88 (real_byteorder == SDL_LIL_ENDIAN) ? "little" : "big"); |
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89 } |
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90 ++error; |
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91 } |
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92 if (verbose) { |
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93 printf("Value 16 = 0x%X, swapped = 0x%X\n", value16, |
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94 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, |
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104 SDL_Swap32(value32)); |
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105 } |
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106 if (SDL_Swap32(value32) != swapped32) { |
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107 if (verbose) { |
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108 printf("32 bit value swapped incorrectly!\n"); |
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109 } |
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110 ++error; |
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111 } |
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112 #ifdef SDL_HAS_64BIT_TYPE |
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113 if (verbose) { |
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114 #ifdef _MSC_VER |
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115 printf("Value 64 = 0x%I64X, swapped = 0x%I64X\n", value64, |
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116 SDL_Swap64(value64)); |
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117 #else |
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118 printf("Value 64 = 0x%llX, swapped = 0x%llX\n", value64, |
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119 SDL_Swap64(value64)); |
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120 #endif |
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121 } |
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122 if (SDL_Swap64(value64) != swapped64) { |
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123 if (verbose) { |
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124 printf("64 bit value swapped incorrectly!\n"); |
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125 } |
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126 ++error; |
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127 } |
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128 #endif |
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129 return (error ? 1 : 0); |
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130 } |
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131 |
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132 |
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133 int |
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134 TestCPUInfo(SDL_bool verbose) |
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135 { |
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136 if (verbose) { |
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137 printf("RDTSC %s\n", SDL_HasRDTSC()? "detected" : "not detected"); |
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138 printf("MMX %s\n", SDL_HasMMX()? "detected" : "not detected"); |
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139 printf("MMX Ext %s\n", SDL_HasMMXExt()? "detected" : "not detected"); |
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140 printf("3DNow %s\n", SDL_Has3DNow()? "detected" : "not detected"); |
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141 printf("3DNow Ext %s\n", |
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142 SDL_Has3DNowExt()? "detected" : "not detected"); |
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143 printf("SSE %s\n", SDL_HasSSE()? "detected" : "not detected"); |
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144 printf("SSE2 %s\n", SDL_HasSSE2()? "detected" : "not detected"); |
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145 printf("AltiVec %s\n", SDL_HasAltiVec()? "detected" : "not detected"); |
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146 } |
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147 return (0); |
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148 } |
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149 |
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150 int |
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151 main(int argc, char *argv[]) |
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152 { |
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153 SDL_bool verbose = SDL_TRUE; |
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154 int status = 0; |
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155 |
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156 if (argv[1] && (SDL_strcmp(argv[1], "-q") == 0)) { |
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157 verbose = SDL_FALSE; |
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158 } |
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159 if (verbose) { |
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160 printf("This system is running %s\n", |
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161 #if __AIX__ |
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162 "AIX" |
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163 #elif __BEOS__ |
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164 "BeOS" |
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165 #elif __BSDI__ |
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166 "BSDI" |
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167 #elif __DREAMCAST__ |
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168 "Dreamcast" |
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169 #elif __FREEBSD__ |
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170 "FreeBSD" |
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171 #elif __HPUX__ |
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172 "HP-UX" |
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173 #elif __IRIX__ |
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174 "Irix" |
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175 #elif __LINUX__ |
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176 "Linux" |
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177 #elif __MINT__ |
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178 "Atari MiNT" |
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179 #elif __MACOS__ |
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180 "MacOS Classic" |
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181 #elif __MACOSX__ |
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182 "Mac OS X" |
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183 #elif __NETBSD__ |
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184 "NetBSD" |
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185 #elif __OPENBSD__ |
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186 "OpenBSD" |
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187 #elif __OS2__ |
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188 "OS/2" |
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189 #elif __OSF__ |
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190 "OSF/1" |
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191 #elif __QNXNTO__ |
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192 "QNX Neutrino" |
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193 #elif __RISCOS__ |
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194 "RISC OS" |
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195 #elif __SOLARIS__ |
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196 "Solaris" |
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197 #elif __WIN32__ |
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198 #ifdef _WIN32_WCE |
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199 "Windows CE" |
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200 #else |
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201 "Windows" |
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202 #endif |
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203 #elif __IPHONEOS__ |
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204 "iPhone OS" |
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205 #else |
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206 "an unknown operating system! (see SDL_platform.h)" |
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207 #endif |
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208 ); |
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209 } |
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210 |
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211 status += TestTypes(verbose); |
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212 status += TestEndian(verbose); |
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213 status += TestCPUInfo(verbose); |
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214 return status; |
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215 } |