Mercurial > sdl-ios-xcode
annotate src/main/win32/SDL_win32_main.c @ 3086:0102ed19c21a
Updated config.guess and config.sub
author | Sam Lantinga <slouken@libsdl.org> |
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date | Wed, 04 Mar 2009 09:35:32 +0000 |
parents | 41a6675d8700 |
children | ae7799d16c87 |
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754
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1 /* |
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2 SDL_main.c, placed in the public domain by Sam Lantinga 4/13/98 |
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3 |
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4 The WinMain function -- calls your program's main() function |
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5 */ |
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6 |
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7 #include <stdio.h> |
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8 #include <stdlib.h> |
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9 |
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10 #define WIN32_LEAN_AND_MEAN |
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11 #include <windows.h> |
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12 |
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13 /* Include the SDL main definition header */ |
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14 #include "SDL.h" |
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15 #include "SDL_main.h" |
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16 |
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17 #ifdef main |
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18 # ifndef _WIN32_WCE_EMULATION |
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19 # undef main |
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20 # endif /* _WIN32_WCE_EMULATION */ |
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21 #endif /* main */ |
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22 |
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23 #if defined(_WIN32_WCE) && _WIN32_WCE < 300 |
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24 /* seems to be undefined in Win CE although in online help */ |
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25 #define isspace(a) (((CHAR)a == ' ') || ((CHAR)a == '\t')) |
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26 #endif /* _WIN32_WCE < 300 */ |
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27 |
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28 static void |
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29 UnEscapeQuotes(char *arg) |
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30 { |
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31 char *last = NULL; |
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32 |
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33 while (*arg) { |
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34 if (*arg == '"' && *last == '\\') { |
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35 char *c_curr = arg; |
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36 char *c_last = last; |
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37 |
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38 while (*c_curr) { |
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39 *c_last = *c_curr; |
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40 c_last = c_curr; |
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41 c_curr++; |
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42 } |
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43 *c_last = '\0'; |
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44 } |
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45 last = arg; |
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46 arg++; |
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47 } |
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48 } |
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49 |
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50 /* Parse a command line buffer into arguments */ |
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51 static int |
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52 ParseCommandLine(char *cmdline, char **argv) |
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53 { |
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54 char *bufp; |
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55 char *lastp = NULL; |
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56 int argc, last_argc; |
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57 |
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58 argc = last_argc = 0; |
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59 for (bufp = cmdline; *bufp;) { |
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60 /* Skip leading whitespace */ |
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61 while (isspace(*bufp)) { |
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62 ++bufp; |
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63 } |
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64 /* Skip over argument */ |
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65 if (*bufp == '"') { |
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66 ++bufp; |
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67 if (*bufp) { |
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68 if (argv) { |
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69 argv[argc] = bufp; |
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70 } |
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71 ++argc; |
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72 } |
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73 /* Skip over word */ |
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74 while (*bufp && (*bufp != '"' || *lastp == '\\')) { |
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75 lastp = bufp; |
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76 ++bufp; |
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77 } |
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78 } else { |
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79 if (*bufp) { |
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80 if (argv) { |
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81 argv[argc] = bufp; |
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82 } |
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83 ++argc; |
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84 } |
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85 /* Skip over word */ |
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86 while (*bufp && !isspace(*bufp)) { |
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87 ++bufp; |
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88 } |
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89 } |
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90 if (*bufp) { |
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91 if (argv) { |
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92 *bufp = '\0'; |
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93 } |
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94 ++bufp; |
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95 } |
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96 |
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97 /* Strip out \ from \" sequences */ |
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98 if (argv && last_argc != argc) { |
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99 UnEscapeQuotes(argv[last_argc]); |
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100 } |
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101 last_argc = argc; |
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102 } |
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103 if (argv) { |
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104 argv[argc] = NULL; |
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105 } |
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106 return (argc); |
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107 } |
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108 |
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109 /* Show an error message */ |
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110 static void |
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111 ShowError(const char *title, const char *message) |
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112 { |
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113 /* If USE_MESSAGEBOX is defined, you need to link with user32.lib */ |
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114 #ifdef USE_MESSAGEBOX |
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115 MessageBox(NULL, message, title, MB_ICONEXCLAMATION | MB_OK); |
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116 #else |
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117 fprintf(stderr, "%s: %s\n", title, message); |
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118 #endif |
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119 } |
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120 |
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121 /* Pop up an out of memory message, returns to Windows */ |
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122 static BOOL |
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123 OutOfMemory(void) |
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124 { |
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125 ShowError("Fatal Error", "Out of memory - aborting"); |
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126 return FALSE; |
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127 } |
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128 |
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129 #if defined(_MSC_VER) && !defined(_WIN32_WCE) |
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130 /* The VC++ compiler needs main defined */ |
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131 #define console_main main |
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132 #endif |
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133 |
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134 /* This is where execution begins [console apps] */ |
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135 int |
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136 console_main(int argc, char *argv[]) |
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137 { |
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138 int status; |
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139 |
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140 /* Run the application main() code */ |
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141 status = SDL_main(argc, argv); |
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142 |
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143 /* Exit cleanly, calling atexit() functions */ |
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144 exit(status); |
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145 |
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146 /* Hush little compiler, don't you cry... */ |
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147 return 0; |
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148 } |
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149 |
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150 /* This is where execution begins [windowed apps] */ |
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151 int WINAPI |
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152 WinMain(HINSTANCE hInst, HINSTANCE hPrev, LPTSTR szCmdLine, int sw) |
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153 { |
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154 char **argv; |
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155 int argc; |
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156 char *cmdline; |
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157 #ifdef _WIN32_WCE |
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158 wchar_t *bufp; |
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159 int nLen; |
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160 #else |
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161 char *bufp; |
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162 size_t nLen; |
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163 #endif |
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164 |
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165 #ifdef _WIN32_WCE |
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166 nLen = wcslen(szCmdLine) + 128 + 1; |
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167 bufp = SDL_stack_alloc(wchar_t, nLen * 2); |
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168 wcscpy(bufp, TEXT("\"")); |
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169 GetModuleFileName(NULL, bufp + 1, 128 - 3); |
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170 wcscpy(bufp + wcslen(bufp), TEXT("\" ")); |
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171 wcsncpy(bufp + wcslen(bufp), szCmdLine, nLen - wcslen(bufp)); |
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172 nLen = wcslen(bufp) + 1; |
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173 cmdline = SDL_stack_alloc(char, nLen); |
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174 if (cmdline == NULL) { |
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175 return OutOfMemory(); |
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176 } |
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177 WideCharToMultiByte(CP_ACP, 0, bufp, -1, cmdline, nLen, NULL, NULL); |
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178 #else |
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179 /* Grab the command line */ |
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180 bufp = GetCommandLine(); |
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181 nLen = SDL_strlen(bufp) + 1; |
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182 cmdline = SDL_stack_alloc(char, nLen); |
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183 if (cmdline == NULL) { |
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184 return OutOfMemory(); |
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185 } |
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186 SDL_strlcpy(cmdline, bufp, nLen); |
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187 #endif |
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188 |
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189 /* Parse it into argv and argc */ |
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190 argc = ParseCommandLine(cmdline, NULL); |
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191 argv = SDL_stack_alloc(char *, argc + 1); |
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192 if (argv == NULL) { |
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193 return OutOfMemory(); |
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194 } |
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195 ParseCommandLine(cmdline, argv); |
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196 |
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197 /* Run the main program */ |
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198 console_main(argc, argv); |
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199 |
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200 /* Hush little compiler, don't you cry... */ |
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201 return 0; |
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202 } |
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203 |
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204 /* vi: set ts=4 sw=4 expandtab: */ |