Mercurial > sdl-ios-xcode
annotate src/main/win32/SDL_main.c @ 15:ac67f6758d63
Don't try to register the app if video code is disabled
| author | Sam Lantinga <slouken@lokigames.com> |
|---|---|
| date | Wed, 02 May 2001 19:21:00 +0000 |
| parents | 74212992fb08 |
| children | 13ee9f4834ea |
| 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 | |
| 22 /* The standard output files */ | |
| 23 #define STDOUT_FILE "stdout.txt" | |
| 24 #define STDERR_FILE "stderr.txt" | |
| 25 | |
| 26 /* Parse a command line buffer into arguments */ | |
| 27 static int ParseCommandLine(char *cmdline, char **argv) | |
| 28 { | |
| 29 char *bufp; | |
| 30 int argc; | |
| 31 | |
| 32 argc = 0; | |
| 33 for ( bufp = cmdline; *bufp; ) { | |
| 34 /* Skip leading whitespace */ | |
| 35 while ( isspace(*bufp) ) { | |
| 36 ++bufp; | |
| 37 } | |
| 38 /* Skip over argument */ | |
| 39 if ( *bufp == '"' ) { | |
| 40 ++bufp; | |
| 41 if ( *bufp ) { | |
| 42 if ( argv ) { | |
| 43 argv[argc] = bufp; | |
| 44 } | |
| 45 ++argc; | |
| 46 } | |
| 47 /* Skip over word */ | |
| 48 while ( *bufp && (*bufp != '"') ) { | |
| 49 ++bufp; | |
| 50 } | |
| 51 } else { | |
| 52 if ( *bufp ) { | |
| 53 if ( argv ) { | |
| 54 argv[argc] = bufp; | |
| 55 } | |
| 56 ++argc; | |
| 57 } | |
| 58 /* Skip over word */ | |
| 59 while ( *bufp && ! isspace(*bufp) ) { | |
| 60 ++bufp; | |
| 61 } | |
| 62 } | |
| 63 if ( *bufp ) { | |
| 64 if ( argv ) { | |
| 65 *bufp = '\0'; | |
| 66 } | |
| 67 ++bufp; | |
| 68 } | |
| 69 } | |
| 70 if ( argv ) { | |
| 71 argv[argc] = NULL; | |
| 72 } | |
| 73 return(argc); | |
| 74 } | |
| 75 | |
| 76 /* Show an error message */ | |
| 77 static void ShowError(const char *title, const char *message) | |
| 78 { | |
| 79 /* If USE_MESSAGEBOX is defined, you need to link with user32.lib */ | |
| 80 #ifdef USE_MESSAGEBOX | |
| 81 MessageBox(NULL, message, title, MB_ICONEXCLAMATION|MB_OK); | |
| 82 #else | |
| 83 fprintf(stderr, "%s: %s\n", title, message); | |
| 84 #endif | |
| 85 } | |
| 86 | |
| 87 /* Pop up an out of memory message, returns to Windows */ | |
| 88 static BOOL OutOfMemory(void) | |
| 89 { | |
| 90 ShowError("Fatal Error", "Out of memory - aborting"); | |
| 91 return FALSE; | |
| 92 } | |
| 93 | |
| 94 /* Remove the output files if there was no output written */ | |
| 95 static void cleanup_output(void) | |
| 96 { | |
| 97 FILE *file; | |
| 98 int empty; | |
| 99 | |
| 100 /* Flush the output in case anything is queued */ | |
| 101 fclose(stdout); | |
| 102 fclose(stderr); | |
| 103 | |
| 104 /* See if the files have any output in them */ | |
| 105 file = fopen(STDOUT_FILE, "rb"); | |
| 106 if ( file ) { | |
| 107 empty = (fgetc(file) == EOF) ? 1 : 0; | |
| 108 fclose(file); | |
| 109 if ( empty ) { | |
| 110 remove(STDOUT_FILE); | |
| 111 } | |
| 112 } | |
| 113 file = fopen(STDERR_FILE, "rb"); | |
| 114 if ( file ) { | |
| 115 empty = (fgetc(file) == EOF) ? 1 : 0; | |
| 116 fclose(file); | |
| 117 if ( empty ) { | |
| 118 remove(STDERR_FILE); | |
| 119 } | |
| 120 } | |
| 121 } | |
| 122 | |
| 123 #ifdef _MSC_VER /* The VC++ compiler needs main defined */ | |
| 124 #define console_main main | |
| 125 #endif | |
| 126 | |
| 127 /* This is where execution begins [console apps] */ | |
| 128 int console_main(int argc, char *argv[]) | |
| 129 { | |
| 130 int n; | |
| 131 char *bufp, *appname; | |
| 132 | |
| 133 /* Get the class name from argv[0] */ | |
| 134 appname = argv[0]; | |
| 135 if ( (bufp=strrchr(argv[0], '\\')) != NULL ) { | |
| 136 appname = bufp+1; | |
| 137 } else | |
| 138 if ( (bufp=strrchr(argv[0], '/')) != NULL ) { | |
| 139 appname = bufp+1; | |
| 140 } | |
| 141 | |
| 142 if ( (bufp=strrchr(appname, '.')) == NULL ) | |
| 143 n = strlen(appname); | |
| 144 else | |
| 145 n = (bufp-appname); | |
| 146 | |
| 147 bufp = (char *)alloca(n+1); | |
| 148 if ( bufp == NULL ) { | |
| 149 return OutOfMemory(); | |
| 150 } | |
| 151 strncpy(bufp, appname, n); | |
| 152 bufp[n] = '\0'; | |
| 153 appname = bufp; | |
| 154 | |
| 155 /* Load SDL dynamic link library */ | |
| 156 if ( SDL_Init(SDL_INIT_NOPARACHUTE) < 0 ) { | |
| 157 ShowError("WinMain() error", SDL_GetError()); | |
| 158 return(FALSE); | |
| 159 } | |
| 160 atexit(cleanup_output); | |
| 161 atexit(SDL_Quit); | |
| 162 | |
|
15
ac67f6758d63
Don't try to register the app if video code is disabled
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
163 #ifndef DISABLE_VIDEO |
|
ac67f6758d63
Don't try to register the app if video code is disabled
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
164 /* Create and register our class */ |
| 0 | 165 if ( SDL_RegisterApp(appname, CS_BYTEALIGNCLIENT, |
| 166 GetModuleHandle(NULL)) < 0 ) { | |
| 167 ShowError("WinMain() error", SDL_GetError()); | |
| 168 exit(1); | |
| 169 } | |
|
15
ac67f6758d63
Don't try to register the app if video code is disabled
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
170 #endif /* !DISABLE_VIDEO */ |
|
ac67f6758d63
Don't try to register the app if video code is disabled
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
171 |
|
ac67f6758d63
Don't try to register the app if video code is disabled
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
172 /* Run the application main() code */ |
| 0 | 173 SDL_main(argc, argv); |
| 174 | |
| 175 /* Exit cleanly, calling atexit() functions */ | |
| 176 exit(0); | |
| 177 } | |
| 178 | |
| 179 /* This is where execution begins [windowed apps] */ | |
| 180 int WINAPI WinMain(HINSTANCE hInst, HINSTANCE hPrev, LPSTR szCmdLine, int sw) | |
| 181 { | |
| 182 HINSTANCE handle; | |
| 183 char **argv; | |
| 184 int argc; | |
| 185 char *cmdline; | |
| 186 char *bufp; | |
| 187 #ifndef NO_STDIO_REDIRECT | |
| 188 FILE *newfp; | |
| 189 #endif | |
| 190 | |
| 191 /* Start up DDHELP.EXE before opening any files, so DDHELP doesn't | |
| 192 keep them open. This is a hack.. hopefully it will be fixed | |
| 193 someday. DDHELP.EXE starts up the first time DDRAW.DLL is loaded. | |
| 194 */ | |
| 195 handle = LoadLibrary("DDRAW.DLL"); | |
| 196 if ( handle != NULL ) { | |
| 197 FreeLibrary(handle); | |
| 198 } | |
| 199 | |
| 200 #ifndef NO_STDIO_REDIRECT | |
| 201 /* Redirect standard input and standard output */ | |
| 202 newfp = freopen(STDOUT_FILE, "w", stdout); | |
| 203 if ( newfp == NULL ) { /* This happens on NT */ | |
| 204 #if !defined(stdout) | |
| 205 stdout = fopen(STDOUT_FILE, "w"); | |
| 206 #else | |
| 207 newfp = fopen(STDOUT_FILE, "w"); | |
| 208 if ( newfp ) { | |
| 209 *stdout = *newfp; | |
| 210 } | |
| 211 #endif | |
| 212 } | |
| 213 newfp = freopen(STDERR_FILE, "w", stderr); | |
| 214 if ( newfp == NULL ) { /* This happens on NT */ | |
| 215 #if !defined(stderr) | |
| 216 stderr = fopen(STDERR_FILE, "w"); | |
| 217 #else | |
| 218 newfp = fopen(STDERR_FILE, "w"); | |
| 219 if ( newfp ) { | |
| 220 *stderr = *newfp; | |
| 221 } | |
| 222 #endif | |
| 223 } | |
| 224 setvbuf(stdout, NULL, _IOLBF, BUFSIZ); /* Line buffered */ | |
| 225 setbuf(stderr, NULL); /* No buffering */ | |
| 226 #endif /* !NO_STDIO_REDIRECT */ | |
| 227 | |
| 228 /* Grab the command line (use alloca() on Windows) */ | |
| 229 bufp = GetCommandLine(); | |
| 230 cmdline = (char *)alloca(strlen(bufp)+1); | |
| 231 if ( cmdline == NULL ) { | |
| 232 return OutOfMemory(); | |
| 233 } | |
| 234 strcpy(cmdline, bufp); | |
| 235 | |
| 236 /* Parse it into argv and argc */ | |
| 237 argc = ParseCommandLine(cmdline, NULL); | |
| 238 argv = (char **)alloca((argc+1)*(sizeof *argv)); | |
| 239 if ( argv == NULL ) { | |
| 240 return OutOfMemory(); | |
| 241 } | |
| 242 ParseCommandLine(cmdline, argv); | |
| 243 | |
| 244 /* Run the main program (after a little SDL initialization) */ | |
| 245 return(console_main(argc, argv)); | |
| 246 } |