Mercurial > sdl-ios-xcode
annotate src/main/win32/SDL_main.c @ 36:13ee9f4834ea
Windows CE patches contributed by Rainer Loritz
| author | Sam Lantinga <slouken@lokigames.com> |
|---|---|
| date | Wed, 23 May 2001 23:35:10 +0000 |
| parents | ac67f6758d63 |
| children | 9ef74357a5fb |
| 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() */ | |
| 14 | |
| 15 /* Include the SDL main definition header */ | |
| 16 #include "SDL.h" | |
| 17 #include "SDL_main.h" | |
| 18 #ifdef main | |
| 19 #undef main | |
| 20 #endif | |
| 21 | |
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22 /* Do we really not want stdio redirection with Windows CE? */ |
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23 #ifdef _WIN32_WCE |
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24 #define NO_STDIO_REDIRECT |
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25 #endif |
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26 |
| 0 | 27 /* The standard output files */ |
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28 #define STDOUT_FILE TEXT("stdout.txt") |
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29 #define STDERR_FILE TEXT("stderr.txt") |
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30 |
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31 #ifdef _WIN32_WCE |
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32 /* seems to be undefined in Win CE although in online help */ |
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33 #define isspace(a) (((CHAR)a == ' ') || ((CHAR)a == '\t')) |
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34 |
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35 /* seems to be undefined in Win CE although in online help */ |
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36 char *strrchr(char *str, int c) |
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37 { |
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38 char *p; |
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39 |
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40 /* Skip to the end of the string */ |
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41 p=str; |
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42 while (*p) |
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43 p++; |
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44 |
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45 /* Look for the given character */ |
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46 while ( (p >= str) && (*p != (CHAR)c) ) |
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47 p--; |
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48 |
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49 /* Return NULL if character not found */ |
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50 if ( p < str ) { |
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51 p = NULL; |
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52 } |
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53 return p; |
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54 } |
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55 #endif /* _WIN32_WCE */ |
| 0 | 56 |
| 57 /* Parse a command line buffer into arguments */ | |
| 58 static int ParseCommandLine(char *cmdline, char **argv) | |
| 59 { | |
| 60 char *bufp; | |
| 61 int argc; | |
| 62 | |
| 63 argc = 0; | |
| 64 for ( bufp = cmdline; *bufp; ) { | |
| 65 /* Skip leading whitespace */ | |
| 66 while ( isspace(*bufp) ) { | |
| 67 ++bufp; | |
| 68 } | |
| 69 /* Skip over argument */ | |
| 70 if ( *bufp == '"' ) { | |
| 71 ++bufp; | |
| 72 if ( *bufp ) { | |
| 73 if ( argv ) { | |
| 74 argv[argc] = bufp; | |
| 75 } | |
| 76 ++argc; | |
| 77 } | |
| 78 /* Skip over word */ | |
| 79 while ( *bufp && (*bufp != '"') ) { | |
| 80 ++bufp; | |
| 81 } | |
| 82 } else { | |
| 83 if ( *bufp ) { | |
| 84 if ( argv ) { | |
| 85 argv[argc] = bufp; | |
| 86 } | |
| 87 ++argc; | |
| 88 } | |
| 89 /* Skip over word */ | |
| 90 while ( *bufp && ! isspace(*bufp) ) { | |
| 91 ++bufp; | |
| 92 } | |
| 93 } | |
| 94 if ( *bufp ) { | |
| 95 if ( argv ) { | |
| 96 *bufp = '\0'; | |
| 97 } | |
| 98 ++bufp; | |
| 99 } | |
| 100 } | |
| 101 if ( argv ) { | |
| 102 argv[argc] = NULL; | |
| 103 } | |
| 104 return(argc); | |
| 105 } | |
| 106 | |
| 107 /* Show an error message */ | |
| 108 static void ShowError(const char *title, const char *message) | |
| 109 { | |
| 110 /* If USE_MESSAGEBOX is defined, you need to link with user32.lib */ | |
| 111 #ifdef USE_MESSAGEBOX | |
| 112 MessageBox(NULL, message, title, MB_ICONEXCLAMATION|MB_OK); | |
| 113 #else | |
| 114 fprintf(stderr, "%s: %s\n", title, message); | |
| 115 #endif | |
| 116 } | |
| 117 | |
| 118 /* Pop up an out of memory message, returns to Windows */ | |
| 119 static BOOL OutOfMemory(void) | |
| 120 { | |
| 121 ShowError("Fatal Error", "Out of memory - aborting"); | |
| 122 return FALSE; | |
| 123 } | |
| 124 | |
| 125 /* Remove the output files if there was no output written */ | |
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126 static void __cdecl cleanup_output(void) |
| 0 | 127 { |
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128 #ifndef NO_STDIO_REDIRECT |
| 0 | 129 FILE *file; |
| 130 int empty; | |
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131 #endif |
| 0 | 132 |
| 133 /* Flush the output in case anything is queued */ | |
| 134 fclose(stdout); | |
| 135 fclose(stderr); | |
| 136 | |
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137 #ifndef NO_STDIO_REDIRECT |
| 0 | 138 /* See if the files have any output in them */ |
| 139 file = fopen(STDOUT_FILE, "rb"); | |
| 140 if ( file ) { | |
| 141 empty = (fgetc(file) == EOF) ? 1 : 0; | |
| 142 fclose(file); | |
| 143 if ( empty ) { | |
| 144 remove(STDOUT_FILE); | |
| 145 } | |
| 146 } | |
| 147 file = fopen(STDERR_FILE, "rb"); | |
| 148 if ( file ) { | |
| 149 empty = (fgetc(file) == EOF) ? 1 : 0; | |
| 150 fclose(file); | |
| 151 if ( empty ) { | |
| 152 remove(STDERR_FILE); | |
| 153 } | |
| 154 } | |
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155 #endif |
| 0 | 156 } |
| 157 | |
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158 #if defined(_MSC_VER) && !defined(_WIN32_WCE) |
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159 /* The VC++ compiler needs main defined */ |
| 0 | 160 #define console_main main |
| 161 #endif | |
| 162 | |
| 163 /* This is where execution begins [console apps] */ | |
| 164 int console_main(int argc, char *argv[]) | |
| 165 { | |
| 166 int n; | |
| 167 char *bufp, *appname; | |
| 168 | |
| 169 /* Get the class name from argv[0] */ | |
| 170 appname = argv[0]; | |
| 171 if ( (bufp=strrchr(argv[0], '\\')) != NULL ) { | |
| 172 appname = bufp+1; | |
| 173 } else | |
| 174 if ( (bufp=strrchr(argv[0], '/')) != NULL ) { | |
| 175 appname = bufp+1; | |
| 176 } | |
| 177 | |
| 178 if ( (bufp=strrchr(appname, '.')) == NULL ) | |
| 179 n = strlen(appname); | |
| 180 else | |
| 181 n = (bufp-appname); | |
| 182 | |
| 183 bufp = (char *)alloca(n+1); | |
| 184 if ( bufp == NULL ) { | |
| 185 return OutOfMemory(); | |
| 186 } | |
| 187 strncpy(bufp, appname, n); | |
| 188 bufp[n] = '\0'; | |
| 189 appname = bufp; | |
| 190 | |
| 191 /* Load SDL dynamic link library */ | |
| 192 if ( SDL_Init(SDL_INIT_NOPARACHUTE) < 0 ) { | |
| 193 ShowError("WinMain() error", SDL_GetError()); | |
| 194 return(FALSE); | |
| 195 } | |
| 196 atexit(cleanup_output); | |
| 197 atexit(SDL_Quit); | |
| 198 | |
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199 #ifndef DISABLE_VIDEO |
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200 /* Create and register our class */ |
| 0 | 201 if ( SDL_RegisterApp(appname, CS_BYTEALIGNCLIENT, |
| 202 GetModuleHandle(NULL)) < 0 ) { | |
| 203 ShowError("WinMain() error", SDL_GetError()); | |
| 204 exit(1); | |
| 205 } | |
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206 #endif /* !DISABLE_VIDEO */ |
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207 |
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208 /* Run the application main() code */ |
| 0 | 209 SDL_main(argc, argv); |
| 210 | |
| 211 /* Exit cleanly, calling atexit() functions */ | |
| 212 exit(0); | |
| 213 } | |
| 214 | |
| 215 /* This is where execution begins [windowed apps] */ | |
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216 #ifdef _WIN32_WCE |
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217 int WINAPI WinMain(HINSTANCE hInst, HINSTANCE hPrev, LPWSTR szCmdLine, int sw) |
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218 #else |
| 0 | 219 int WINAPI WinMain(HINSTANCE hInst, HINSTANCE hPrev, LPSTR szCmdLine, int sw) |
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220 #endif |
| 0 | 221 { |
| 222 HINSTANCE handle; | |
| 223 char **argv; | |
| 224 int argc; | |
| 225 char *cmdline; | |
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226 #ifdef _WIN32_WCE |
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227 wchar_t *bufp; |
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228 int nLen; |
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229 #else |
| 0 | 230 char *bufp; |
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231 #endif |
| 0 | 232 #ifndef NO_STDIO_REDIRECT |
| 233 FILE *newfp; | |
| 234 #endif | |
| 235 | |
| 236 /* Start up DDHELP.EXE before opening any files, so DDHELP doesn't | |
| 237 keep them open. This is a hack.. hopefully it will be fixed | |
| 238 someday. DDHELP.EXE starts up the first time DDRAW.DLL is loaded. | |
| 239 */ | |
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240 handle = LoadLibrary(TEXT("DDRAW.DLL")); |
| 0 | 241 if ( handle != NULL ) { |
| 242 FreeLibrary(handle); | |
| 243 } | |
| 244 | |
| 245 #ifndef NO_STDIO_REDIRECT | |
| 246 /* Redirect standard input and standard output */ | |
| 247 newfp = freopen(STDOUT_FILE, "w", stdout); | |
| 248 if ( newfp == NULL ) { /* This happens on NT */ | |
| 249 #if !defined(stdout) | |
| 250 stdout = fopen(STDOUT_FILE, "w"); | |
| 251 #else | |
| 252 newfp = fopen(STDOUT_FILE, "w"); | |
| 253 if ( newfp ) { | |
| 254 *stdout = *newfp; | |
| 255 } | |
| 256 #endif | |
| 257 } | |
| 258 newfp = freopen(STDERR_FILE, "w", stderr); | |
| 259 if ( newfp == NULL ) { /* This happens on NT */ | |
| 260 #if !defined(stderr) | |
| 261 stderr = fopen(STDERR_FILE, "w"); | |
| 262 #else | |
| 263 newfp = fopen(STDERR_FILE, "w"); | |
| 264 if ( newfp ) { | |
| 265 *stderr = *newfp; | |
| 266 } | |
| 267 #endif | |
| 268 } | |
| 269 setvbuf(stdout, NULL, _IOLBF, BUFSIZ); /* Line buffered */ | |
| 270 setbuf(stderr, NULL); /* No buffering */ | |
| 271 #endif /* !NO_STDIO_REDIRECT */ | |
| 272 | |
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273 #ifdef _WIN32_WCE |
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274 nLen = wcslen(szCmdLine)+128+1; |
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275 bufp = (wchar_t *)alloca(nLen*2); |
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276 GetModuleFileName(NULL, bufp, 128); |
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277 wcsncpy(bufp+wcslen(bufp), szCmdLine,nLen); |
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278 nLen = wcslen(bufp)+1; |
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279 cmdline = (char *)alloca(nLen); |
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280 if ( cmdline == NULL ) { |
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281 return OutOfMemory(); |
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282 } |
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283 WideCharToMultiByte(CP_ACP, 0, bufp, -1, cmdline, nLen, NULL, NULL); |
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284 #else |
| 0 | 285 /* Grab the command line (use alloca() on Windows) */ |
| 286 bufp = GetCommandLine(); | |
| 287 cmdline = (char *)alloca(strlen(bufp)+1); | |
| 288 if ( cmdline == NULL ) { | |
| 289 return OutOfMemory(); | |
| 290 } | |
| 291 strcpy(cmdline, bufp); | |
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292 #endif |
| 0 | 293 |
| 294 /* Parse it into argv and argc */ | |
| 295 argc = ParseCommandLine(cmdline, NULL); | |
| 296 argv = (char **)alloca((argc+1)*(sizeof *argv)); | |
| 297 if ( argv == NULL ) { | |
| 298 return OutOfMemory(); | |
| 299 } | |
| 300 ParseCommandLine(cmdline, argv); | |
| 301 | |
| 302 /* Run the main program (after a little SDL initialization) */ | |
| 303 return(console_main(argc, argv)); | |
| 304 } |