Mercurial > sdl-ios-xcode
annotate src/main/win32/SDL_main.c @ 656:864e2d2a9a55
Merged in Ryan's multisample code for MacOS, and changed the constants to match.
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Tue, 22 Jul 2003 15:33:28 +0000 |
| parents | 1f6438c8df2c |
| children |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 SDL_main.c, placed in the public domain by Sam Lantinga 4/13/98 | |
| 3 | |
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4 The WinMain function -- calls your program's main() function |
| 0 | 5 */ |
| 6 | |
| 7 #include <stdio.h> | |
| 8 #include <string.h> | |
| 9 #include <ctype.h> | |
| 10 #include <stdlib.h> | |
| 11 | |
| 12 #include <windows.h> | |
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13 #include <malloc.h> /* For _alloca() */ |
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14 |
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15 #ifdef _WIN32_WCE |
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16 # define DIR_SEPERATOR TEXT("\\") |
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17 # define _getcwd(str,len) wcscpy(str,DIR_SEPERATOR); |
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18 # define setbuf(x) |
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19 # define setvbuf(x) |
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20 # define fopen _wfopen |
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21 # define freopen _wfreopen |
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22 # define remove(x) DeleteFile(x) |
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23 # define strcat wcscat |
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24 #else |
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25 # define DIR_SEPERATOR TEXT("/") |
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26 # include <direct.h> |
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27 #endif |
| 0 | 28 |
| 29 /* Include the SDL main definition header */ | |
| 30 #include "SDL.h" | |
| 31 #include "SDL_main.h" | |
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32 |
| 0 | 33 #ifdef main |
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34 # ifndef _WIN32_WCE_EMULATION |
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35 # undef main |
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36 # endif /* _WIN32_WCE_EMULATION */ |
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37 #endif /* main */ |
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38 |
| 0 | 39 /* The standard output files */ |
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40 #define STDOUT_FILE TEXT("stdout.txt") |
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41 #define STDERR_FILE TEXT("stderr.txt") |
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42 |
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43 #ifndef NO_STDIO_REDIRECT |
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44 # ifdef _WIN32_WCE |
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45 static wchar_t stdoutPath[MAX_PATH]; |
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46 static wchar_t stderrPath[MAX_PATH]; |
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47 # else |
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48 static char stdoutPath[MAX_PATH]; |
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49 static char stderrPath[MAX_PATH]; |
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50 # endif |
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51 #endif |
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52 |
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53 #if defined(_WIN32_WCE) && _WIN32_WCE < 300 |
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54 /* seems to be undefined in Win CE although in online help */ |
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55 #define isspace(a) (((CHAR)a == ' ') || ((CHAR)a == '\t')) |
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56 |
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57 /* seems to be undefined in Win CE although in online help */ |
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58 char *strrchr(char *str, int c) |
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59 { |
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60 char *p; |
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61 |
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62 /* Skip to the end of the string */ |
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63 p=str; |
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64 while (*p) |
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65 p++; |
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66 |
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67 /* Look for the given character */ |
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68 while ( (p >= str) && (*p != (CHAR)c) ) |
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69 p--; |
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70 |
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71 /* Return NULL if character not found */ |
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72 if ( p < str ) { |
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73 p = NULL; |
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74 } |
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75 return p; |
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76 } |
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77 #endif /* _WIN32_WCE < 300 */ |
| 0 | 78 |
| 79 /* Parse a command line buffer into arguments */ | |
| 80 static int ParseCommandLine(char *cmdline, char **argv) | |
| 81 { | |
| 82 char *bufp; | |
| 83 int argc; | |
| 84 | |
| 85 argc = 0; | |
| 86 for ( bufp = cmdline; *bufp; ) { | |
| 87 /* Skip leading whitespace */ | |
| 88 while ( isspace(*bufp) ) { | |
| 89 ++bufp; | |
| 90 } | |
| 91 /* Skip over argument */ | |
| 92 if ( *bufp == '"' ) { | |
| 93 ++bufp; | |
| 94 if ( *bufp ) { | |
| 95 if ( argv ) { | |
| 96 argv[argc] = bufp; | |
| 97 } | |
| 98 ++argc; | |
| 99 } | |
| 100 /* Skip over word */ | |
| 101 while ( *bufp && (*bufp != '"') ) { | |
| 102 ++bufp; | |
| 103 } | |
| 104 } else { | |
| 105 if ( *bufp ) { | |
| 106 if ( argv ) { | |
| 107 argv[argc] = bufp; | |
| 108 } | |
| 109 ++argc; | |
| 110 } | |
| 111 /* Skip over word */ | |
| 112 while ( *bufp && ! isspace(*bufp) ) { | |
| 113 ++bufp; | |
| 114 } | |
| 115 } | |
| 116 if ( *bufp ) { | |
| 117 if ( argv ) { | |
| 118 *bufp = '\0'; | |
| 119 } | |
| 120 ++bufp; | |
| 121 } | |
| 122 } | |
| 123 if ( argv ) { | |
| 124 argv[argc] = NULL; | |
| 125 } | |
| 126 return(argc); | |
| 127 } | |
| 128 | |
| 129 /* Show an error message */ | |
| 130 static void ShowError(const char *title, const char *message) | |
| 131 { | |
| 132 /* If USE_MESSAGEBOX is defined, you need to link with user32.lib */ | |
| 133 #ifdef USE_MESSAGEBOX | |
| 134 MessageBox(NULL, message, title, MB_ICONEXCLAMATION|MB_OK); | |
| 135 #else | |
| 136 fprintf(stderr, "%s: %s\n", title, message); | |
| 137 #endif | |
| 138 } | |
| 139 | |
| 140 /* Pop up an out of memory message, returns to Windows */ | |
| 141 static BOOL OutOfMemory(void) | |
| 142 { | |
| 143 ShowError("Fatal Error", "Out of memory - aborting"); | |
| 144 return FALSE; | |
| 145 } | |
| 146 | |
| 147 /* Remove the output files if there was no output written */ | |
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148 static void __cdecl cleanup_output(void) |
| 0 | 149 { |
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150 #ifndef NO_STDIO_REDIRECT |
| 0 | 151 FILE *file; |
| 152 int empty; | |
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153 #endif |
| 0 | 154 |
| 155 /* Flush the output in case anything is queued */ | |
| 156 fclose(stdout); | |
| 157 fclose(stderr); | |
| 158 | |
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159 #ifndef NO_STDIO_REDIRECT |
| 0 | 160 /* See if the files have any output in them */ |
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161 if ( stdoutPath[0] ) { |
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162 file = fopen(stdoutPath, TEXT("rb")); |
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163 if ( file ) { |
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164 empty = (fgetc(file) == EOF) ? 1 : 0; |
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165 fclose(file); |
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166 if ( empty ) { |
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167 remove(stdoutPath); |
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168 } |
| 0 | 169 } |
| 170 } | |
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171 if ( stderrPath[0] ) { |
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172 file = fopen(stderrPath, TEXT("rb")); |
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173 if ( file ) { |
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174 empty = (fgetc(file) == EOF) ? 1 : 0; |
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175 fclose(file); |
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176 if ( empty ) { |
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177 remove(stderrPath); |
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178 } |
| 0 | 179 } |
| 180 } | |
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181 #endif |
| 0 | 182 } |
| 183 | |
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184 #if defined(_MSC_VER) && !defined(_WIN32_WCE) |
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185 /* The VC++ compiler needs main defined */ |
| 0 | 186 #define console_main main |
| 187 #endif | |
| 188 | |
| 189 /* This is where execution begins [console apps] */ | |
| 190 int console_main(int argc, char *argv[]) | |
| 191 { | |
| 192 int n; | |
| 193 char *bufp, *appname; | |
| 194 | |
| 195 /* Get the class name from argv[0] */ | |
| 196 appname = argv[0]; | |
| 197 if ( (bufp=strrchr(argv[0], '\\')) != NULL ) { | |
| 198 appname = bufp+1; | |
| 199 } else | |
| 200 if ( (bufp=strrchr(argv[0], '/')) != NULL ) { | |
| 201 appname = bufp+1; | |
| 202 } | |
| 203 | |
| 204 if ( (bufp=strrchr(appname, '.')) == NULL ) | |
| 205 n = strlen(appname); | |
| 206 else | |
| 207 n = (bufp-appname); | |
| 208 | |
| 209 bufp = (char *)alloca(n+1); | |
| 210 if ( bufp == NULL ) { | |
| 211 return OutOfMemory(); | |
| 212 } | |
| 213 strncpy(bufp, appname, n); | |
| 214 bufp[n] = '\0'; | |
| 215 appname = bufp; | |
| 216 | |
| 217 /* Load SDL dynamic link library */ | |
| 218 if ( SDL_Init(SDL_INIT_NOPARACHUTE) < 0 ) { | |
| 219 ShowError("WinMain() error", SDL_GetError()); | |
| 220 return(FALSE); | |
| 221 } | |
| 222 atexit(cleanup_output); | |
| 223 atexit(SDL_Quit); | |
| 224 | |
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225 #ifndef DISABLE_VIDEO |
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226 #if 0 |
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227 /* Create and register our class * |
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228 DJM: If we do this here, the user nevers gets a chance to |
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229 putenv(SDL_WINDOWID). This is already called later by |
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230 the (DIB|DX5)_CreateWindow function, so it should be |
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231 safe to comment it out here. |
| 0 | 232 if ( SDL_RegisterApp(appname, CS_BYTEALIGNCLIENT, |
| 233 GetModuleHandle(NULL)) < 0 ) { | |
| 234 ShowError("WinMain() error", SDL_GetError()); | |
| 235 exit(1); | |
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236 }*/ |
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237 #else |
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238 /* Sam: |
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239 We still need to pass in the application handle so that |
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240 DirectInput will initialize properly when SDL_RegisterApp() |
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241 is called later in the video initialization. |
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242 */ |
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243 SDL_SetModuleHandle(GetModuleHandle(NULL)); |
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244 #endif /* 0 */ |
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245 #endif /* !DISABLE_VIDEO */ |
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246 |
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247 /* Run the application main() code */ |
| 0 | 248 SDL_main(argc, argv); |
| 249 | |
| 250 /* Exit cleanly, calling atexit() functions */ | |
| 251 exit(0); | |
|
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252 |
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253 /* Hush little compiler, don't you cry... */ |
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254 return(0); |
| 0 | 255 } |
| 256 | |
| 257 /* This is where execution begins [windowed apps] */ | |
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258 #ifdef _WIN32_WCE |
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259 int WINAPI WinMain(HINSTANCE hInst, HINSTANCE hPrev, LPWSTR szCmdLine, int sw) |
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260 #else |
| 0 | 261 int WINAPI WinMain(HINSTANCE hInst, HINSTANCE hPrev, LPSTR szCmdLine, int sw) |
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262 #endif |
| 0 | 263 { |
| 264 HINSTANCE handle; | |
| 265 char **argv; | |
| 266 int argc; | |
| 267 char *cmdline; | |
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268 #ifdef _WIN32_WCE |
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269 wchar_t *bufp; |
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270 int nLen; |
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271 #else |
| 0 | 272 char *bufp; |
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273 #endif |
| 0 | 274 #ifndef NO_STDIO_REDIRECT |
| 275 FILE *newfp; | |
| 276 #endif | |
| 277 | |
| 278 /* Start up DDHELP.EXE before opening any files, so DDHELP doesn't | |
| 279 keep them open. This is a hack.. hopefully it will be fixed | |
| 280 someday. DDHELP.EXE starts up the first time DDRAW.DLL is loaded. | |
| 281 */ | |
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282 handle = LoadLibrary(TEXT("DDRAW.DLL")); |
| 0 | 283 if ( handle != NULL ) { |
| 284 FreeLibrary(handle); | |
| 285 } | |
| 286 | |
| 287 #ifndef NO_STDIO_REDIRECT | |
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288 _getcwd( stdoutPath, sizeof( stdoutPath ) ); |
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289 strcat( stdoutPath, DIR_SEPERATOR STDOUT_FILE ); |
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290 |
| 0 | 291 /* Redirect standard input and standard output */ |
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292 newfp = freopen(stdoutPath, TEXT("w"), stdout); |
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293 |
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294 #ifndef _WIN32_WCE |
| 0 | 295 if ( newfp == NULL ) { /* This happens on NT */ |
| 296 #if !defined(stdout) | |
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297 stdout = fopen(stdoutPath, TEXT("w")); |
| 0 | 298 #else |
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299 newfp = fopen(stdoutPath, TEXT("w")); |
| 0 | 300 if ( newfp ) { |
| 301 *stdout = *newfp; | |
| 302 } | |
| 303 #endif | |
| 304 } | |
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305 #endif /* _WIN32_WCE */ |
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306 |
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307 _getcwd( stderrPath, sizeof( stderrPath ) ); |
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308 strcat( stderrPath, DIR_SEPERATOR STDERR_FILE ); |
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309 |
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310 newfp = freopen(stderrPath, TEXT("w"), stderr); |
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311 #ifndef _WIN32_WCE |
| 0 | 312 if ( newfp == NULL ) { /* This happens on NT */ |
| 313 #if !defined(stderr) | |
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314 stderr = fopen(stderrPath, TEXT("w")); |
| 0 | 315 #else |
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316 newfp = fopen(stderrPath, TEXT("w")); |
| 0 | 317 if ( newfp ) { |
| 318 *stderr = *newfp; | |
| 319 } | |
| 320 #endif | |
| 321 } | |
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322 #endif /* _WIN32_WCE */ |
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323 |
| 0 | 324 setvbuf(stdout, NULL, _IOLBF, BUFSIZ); /* Line buffered */ |
| 325 setbuf(stderr, NULL); /* No buffering */ | |
| 326 #endif /* !NO_STDIO_REDIRECT */ | |
| 327 | |
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328 #ifdef _WIN32_WCE |
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329 nLen = wcslen(szCmdLine)+128+1; |
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330 bufp = (wchar_t *)alloca(nLen*2); |
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331 wcscpy (bufp, TEXT("\"")); |
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332 GetModuleFileName(NULL, bufp+1, 128-3); |
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333 wcscpy (bufp+wcslen(bufp), TEXT("\" ")); |
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334 wcsncpy(bufp+wcslen(bufp), szCmdLine,nLen-wcslen(bufp)); |
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335 nLen = wcslen(bufp)+1; |
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336 cmdline = (char *)alloca(nLen); |
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337 if ( cmdline == NULL ) { |
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338 return OutOfMemory(); |
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339 } |
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340 WideCharToMultiByte(CP_ACP, 0, bufp, -1, cmdline, nLen, NULL, NULL); |
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341 #else |
| 0 | 342 /* Grab the command line (use alloca() on Windows) */ |
| 343 bufp = GetCommandLine(); | |
| 344 cmdline = (char *)alloca(strlen(bufp)+1); | |
| 345 if ( cmdline == NULL ) { | |
| 346 return OutOfMemory(); | |
| 347 } | |
| 348 strcpy(cmdline, bufp); | |
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349 #endif |
| 0 | 350 |
| 351 /* Parse it into argv and argc */ | |
| 352 argc = ParseCommandLine(cmdline, NULL); | |
| 353 argv = (char **)alloca((argc+1)*(sizeof *argv)); | |
| 354 if ( argv == NULL ) { | |
| 355 return OutOfMemory(); | |
| 356 } | |
| 357 ParseCommandLine(cmdline, argv); | |
| 358 | |
| 359 /* Run the main program (after a little SDL initialization) */ | |
| 360 return(console_main(argc, argv)); | |
| 361 } |