Mercurial > sdl-ios-xcode
annotate src/main/win32/SDL_main.c @ 558:2312d983e1fe
Fixed left/right shift detection on Windows (thanks Mike!)
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Wed, 11 Dec 2002 05:47:32 +0000 |
| parents | 0ac20b67c2c7 |
| children | 1f6438c8df2c |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 SDL_main.c, placed in the public domain by Sam Lantinga 4/13/98 | |
| 3 | |
| 4 The WinMain function -- calls your program's main() function | |
| 5 */ | |
| 6 | |
| 7 #include <stdio.h> | |
| 8 #include <string.h> | |
| 9 #include <ctype.h> | |
| 10 #include <stdlib.h> | |
| 11 | |
| 12 #include <windows.h> | |
| 13 #include <malloc.h> /* For _alloca() */ | |
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14 #include <io.h> /* For _getcwd() */ |
| 0 | 15 |
| 16 /* Include the SDL main definition header */ | |
| 17 #include "SDL.h" | |
| 18 #include "SDL_main.h" | |
| 19 #ifdef main | |
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20 #ifndef _WIN32_WCE_EMULATION |
| 0 | 21 #undef main |
| 22 #endif | |
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23 #endif |
| 0 | 24 |
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25 /* Do we really not want stdio redirection with Windows CE? */ |
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26 #ifdef _WIN32_WCE |
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27 #define NO_STDIO_REDIRECT |
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28 #endif |
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29 |
| 0 | 30 /* The standard output files */ |
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31 #define STDOUT_FILE TEXT("stdout.txt") |
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32 #define STDERR_FILE TEXT("stderr.txt") |
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33 |
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34 #ifndef NO_STDIO_REDIRECT |
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35 static char stdoutPath[MAX_PATH]; |
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36 static char stderrPath[MAX_PATH]; |
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37 #endif |
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38 |
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39 #if defined(_WIN32_WCE) && _WIN32_WCE < 300 |
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40 /* seems to be undefined in Win CE although in online help */ |
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41 #define isspace(a) (((CHAR)a == ' ') || ((CHAR)a == '\t')) |
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42 |
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43 /* seems to be undefined in Win CE although in online help */ |
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44 char *strrchr(char *str, int c) |
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45 { |
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46 char *p; |
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47 |
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48 /* Skip to the end of the string */ |
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49 p=str; |
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50 while (*p) |
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51 p++; |
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52 |
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53 /* Look for the given character */ |
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54 while ( (p >= str) && (*p != (CHAR)c) ) |
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55 p--; |
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56 |
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57 /* Return NULL if character not found */ |
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58 if ( p < str ) { |
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59 p = NULL; |
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60 } |
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61 return p; |
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62 } |
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63 #endif /* _WIN32_WCE < 300 */ |
| 0 | 64 |
| 65 /* Parse a command line buffer into arguments */ | |
| 66 static int ParseCommandLine(char *cmdline, char **argv) | |
| 67 { | |
| 68 char *bufp; | |
| 69 int argc; | |
| 70 | |
| 71 argc = 0; | |
| 72 for ( bufp = cmdline; *bufp; ) { | |
| 73 /* Skip leading whitespace */ | |
| 74 while ( isspace(*bufp) ) { | |
| 75 ++bufp; | |
| 76 } | |
| 77 /* Skip over argument */ | |
| 78 if ( *bufp == '"' ) { | |
| 79 ++bufp; | |
| 80 if ( *bufp ) { | |
| 81 if ( argv ) { | |
| 82 argv[argc] = bufp; | |
| 83 } | |
| 84 ++argc; | |
| 85 } | |
| 86 /* Skip over word */ | |
| 87 while ( *bufp && (*bufp != '"') ) { | |
| 88 ++bufp; | |
| 89 } | |
| 90 } else { | |
| 91 if ( *bufp ) { | |
| 92 if ( argv ) { | |
| 93 argv[argc] = bufp; | |
| 94 } | |
| 95 ++argc; | |
| 96 } | |
| 97 /* Skip over word */ | |
| 98 while ( *bufp && ! isspace(*bufp) ) { | |
| 99 ++bufp; | |
| 100 } | |
| 101 } | |
| 102 if ( *bufp ) { | |
| 103 if ( argv ) { | |
| 104 *bufp = '\0'; | |
| 105 } | |
| 106 ++bufp; | |
| 107 } | |
| 108 } | |
| 109 if ( argv ) { | |
| 110 argv[argc] = NULL; | |
| 111 } | |
| 112 return(argc); | |
| 113 } | |
| 114 | |
| 115 /* Show an error message */ | |
| 116 static void ShowError(const char *title, const char *message) | |
| 117 { | |
| 118 /* If USE_MESSAGEBOX is defined, you need to link with user32.lib */ | |
| 119 #ifdef USE_MESSAGEBOX | |
| 120 MessageBox(NULL, message, title, MB_ICONEXCLAMATION|MB_OK); | |
| 121 #else | |
| 122 fprintf(stderr, "%s: %s\n", title, message); | |
| 123 #endif | |
| 124 } | |
| 125 | |
| 126 /* Pop up an out of memory message, returns to Windows */ | |
| 127 static BOOL OutOfMemory(void) | |
| 128 { | |
| 129 ShowError("Fatal Error", "Out of memory - aborting"); | |
| 130 return FALSE; | |
| 131 } | |
| 132 | |
| 133 /* Remove the output files if there was no output written */ | |
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134 static void __cdecl cleanup_output(void) |
| 0 | 135 { |
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136 #ifndef NO_STDIO_REDIRECT |
| 0 | 137 FILE *file; |
| 138 int empty; | |
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139 #endif |
| 0 | 140 |
| 141 /* Flush the output in case anything is queued */ | |
| 142 fclose(stdout); | |
| 143 fclose(stderr); | |
| 144 | |
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145 #ifndef NO_STDIO_REDIRECT |
| 0 | 146 /* See if the files have any output in them */ |
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147 if ( stdoutPath[0] ) { |
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148 file = fopen(stdoutPath, "rb"); |
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149 if ( file ) { |
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150 empty = (fgetc(file) == EOF) ? 1 : 0; |
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151 fclose(file); |
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152 if ( empty ) { |
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153 remove(stdoutPath); |
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154 } |
| 0 | 155 } |
| 156 } | |
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157 if ( stderrPath[0] ) { |
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158 file = fopen(stderrPath, "rb"); |
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159 if ( file ) { |
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160 empty = (fgetc(file) == EOF) ? 1 : 0; |
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161 fclose(file); |
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162 if ( empty ) { |
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163 remove(stderrPath); |
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164 } |
| 0 | 165 } |
| 166 } | |
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167 #endif |
| 0 | 168 } |
| 169 | |
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170 #if defined(_MSC_VER) && !defined(_WIN32_WCE) |
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171 /* The VC++ compiler needs main defined */ |
| 0 | 172 #define console_main main |
| 173 #endif | |
| 174 | |
| 175 /* This is where execution begins [console apps] */ | |
| 176 int console_main(int argc, char *argv[]) | |
| 177 { | |
| 178 int n; | |
| 179 char *bufp, *appname; | |
| 180 | |
| 181 /* Get the class name from argv[0] */ | |
| 182 appname = argv[0]; | |
| 183 if ( (bufp=strrchr(argv[0], '\\')) != NULL ) { | |
| 184 appname = bufp+1; | |
| 185 } else | |
| 186 if ( (bufp=strrchr(argv[0], '/')) != NULL ) { | |
| 187 appname = bufp+1; | |
| 188 } | |
| 189 | |
| 190 if ( (bufp=strrchr(appname, '.')) == NULL ) | |
| 191 n = strlen(appname); | |
| 192 else | |
| 193 n = (bufp-appname); | |
| 194 | |
| 195 bufp = (char *)alloca(n+1); | |
| 196 if ( bufp == NULL ) { | |
| 197 return OutOfMemory(); | |
| 198 } | |
| 199 strncpy(bufp, appname, n); | |
| 200 bufp[n] = '\0'; | |
| 201 appname = bufp; | |
| 202 | |
| 203 /* Load SDL dynamic link library */ | |
| 204 if ( SDL_Init(SDL_INIT_NOPARACHUTE) < 0 ) { | |
| 205 ShowError("WinMain() error", SDL_GetError()); | |
| 206 return(FALSE); | |
| 207 } | |
| 208 atexit(cleanup_output); | |
| 209 atexit(SDL_Quit); | |
| 210 | |
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211 #ifndef DISABLE_VIDEO |
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212 #if 0 |
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213 /* Create and register our class * |
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214 DJM: If we do this here, the user nevers gets a chance to |
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215 putenv(SDL_WINDOWID). This is already called later by |
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216 the (DIB|DX5)_CreateWindow function, so it should be |
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217 safe to comment it out here. |
| 0 | 218 if ( SDL_RegisterApp(appname, CS_BYTEALIGNCLIENT, |
| 219 GetModuleHandle(NULL)) < 0 ) { | |
| 220 ShowError("WinMain() error", SDL_GetError()); | |
| 221 exit(1); | |
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222 }*/ |
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223 #else |
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224 /* Sam: |
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225 We still need to pass in the application handle so that |
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226 DirectInput will initialize properly when SDL_RegisterApp() |
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227 is called later in the video initialization. |
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228 */ |
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229 SDL_SetModuleHandle(GetModuleHandle(NULL)); |
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230 #endif /* 0 */ |
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231 #endif /* !DISABLE_VIDEO */ |
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232 |
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233 /* Run the application main() code */ |
| 0 | 234 SDL_main(argc, argv); |
| 235 | |
| 236 /* Exit cleanly, calling atexit() functions */ | |
| 237 exit(0); | |
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238 |
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239 /* Hush little compiler, don't you cry... */ |
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240 return(0); |
| 0 | 241 } |
| 242 | |
| 243 /* This is where execution begins [windowed apps] */ | |
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244 #ifdef _WIN32_WCE |
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245 int WINAPI WinMain(HINSTANCE hInst, HINSTANCE hPrev, LPWSTR szCmdLine, int sw) |
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246 #else |
| 0 | 247 int WINAPI WinMain(HINSTANCE hInst, HINSTANCE hPrev, LPSTR szCmdLine, int sw) |
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248 #endif |
| 0 | 249 { |
| 250 HINSTANCE handle; | |
| 251 char **argv; | |
| 252 int argc; | |
| 253 char *cmdline; | |
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254 #ifdef _WIN32_WCE |
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255 wchar_t *bufp; |
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256 int nLen; |
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257 #else |
| 0 | 258 char *bufp; |
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259 #endif |
| 0 | 260 #ifndef NO_STDIO_REDIRECT |
| 261 FILE *newfp; | |
| 262 #endif | |
| 263 | |
| 264 /* Start up DDHELP.EXE before opening any files, so DDHELP doesn't | |
| 265 keep them open. This is a hack.. hopefully it will be fixed | |
| 266 someday. DDHELP.EXE starts up the first time DDRAW.DLL is loaded. | |
| 267 */ | |
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268 handle = LoadLibrary(TEXT("DDRAW.DLL")); |
| 0 | 269 if ( handle != NULL ) { |
| 270 FreeLibrary(handle); | |
| 271 } | |
| 272 | |
| 273 #ifndef NO_STDIO_REDIRECT | |
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274 _getcwd( stdoutPath, sizeof( stdoutPath ) ); |
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275 strcat( stdoutPath, "/" STDOUT_FILE ); |
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276 |
| 0 | 277 /* Redirect standard input and standard output */ |
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278 newfp = freopen(stdoutPath, "w", stdout); |
| 0 | 279 if ( newfp == NULL ) { /* This happens on NT */ |
| 280 #if !defined(stdout) | |
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281 stdout = fopen(stdoutPath, "w"); |
| 0 | 282 #else |
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283 newfp = fopen(stdoutPath, "w"); |
| 0 | 284 if ( newfp ) { |
| 285 *stdout = *newfp; | |
| 286 } | |
| 287 #endif | |
| 288 } | |
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289 |
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290 _getcwd( stderrPath, sizeof( stderrPath ) ); |
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291 strcat( stderrPath, "/" STDERR_FILE ); |
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292 |
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293 newfp = freopen(stderrPath, "w", stderr); |
| 0 | 294 if ( newfp == NULL ) { /* This happens on NT */ |
| 295 #if !defined(stderr) | |
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296 stderr = fopen(stderrPath, "w"); |
| 0 | 297 #else |
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298 newfp = fopen(stderrPath, "w"); |
| 0 | 299 if ( newfp ) { |
| 300 *stderr = *newfp; | |
| 301 } | |
| 302 #endif | |
| 303 } | |
| 304 setvbuf(stdout, NULL, _IOLBF, BUFSIZ); /* Line buffered */ | |
| 305 setbuf(stderr, NULL); /* No buffering */ | |
| 306 #endif /* !NO_STDIO_REDIRECT */ | |
| 307 | |
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308 #ifdef _WIN32_WCE |
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309 nLen = wcslen(szCmdLine)+128+1; |
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310 bufp = (wchar_t *)alloca(nLen*2); |
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311 wcscpy (bufp, TEXT("\"")); |
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312 GetModuleFileName(NULL, bufp+1, 128-3); |
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313 wcscpy (bufp+wcslen(bufp), TEXT("\" ")); |
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314 wcsncpy(bufp+wcslen(bufp), szCmdLine,nLen-wcslen(bufp)); |
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315 nLen = wcslen(bufp)+1; |
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316 cmdline = (char *)alloca(nLen); |
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317 if ( cmdline == NULL ) { |
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318 return OutOfMemory(); |
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319 } |
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320 WideCharToMultiByte(CP_ACP, 0, bufp, -1, cmdline, nLen, NULL, NULL); |
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321 #else |
| 0 | 322 /* Grab the command line (use alloca() on Windows) */ |
| 323 bufp = GetCommandLine(); | |
| 324 cmdline = (char *)alloca(strlen(bufp)+1); | |
| 325 if ( cmdline == NULL ) { | |
| 326 return OutOfMemory(); | |
| 327 } | |
| 328 strcpy(cmdline, bufp); | |
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329 #endif |
| 0 | 330 |
| 331 /* Parse it into argv and argc */ | |
| 332 argc = ParseCommandLine(cmdline, NULL); | |
| 333 argv = (char **)alloca((argc+1)*(sizeof *argv)); | |
| 334 if ( argv == NULL ) { | |
| 335 return OutOfMemory(); | |
| 336 } | |
| 337 ParseCommandLine(cmdline, argv); | |
| 338 | |
| 339 /* Run the main program (after a little SDL initialization) */ | |
| 340 return(console_main(argc, argv)); | |
| 341 } |