comparison src/main/win32/SDL_win32_main.c @ 1895:c121d94672cb

SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
author Sam Lantinga <slouken@libsdl.org>
date Mon, 10 Jul 2006 21:04:37 +0000
parents 290b5baf2fca
children 41a6675d8700
comparison
equal deleted inserted replaced
1894:c69cee13dd76 1895:c121d94672cb
8 #include <stdlib.h> 8 #include <stdlib.h>
9 9
10 #define WIN32_LEAN_AND_MEAN 10 #define WIN32_LEAN_AND_MEAN
11 #include <windows.h> 11 #include <windows.h>
12 12
13 #ifdef _WIN32_WCE
14 # define DIR_SEPERATOR TEXT("\\")
15 # undef _getcwd
16 # define _getcwd(str,len) wcscpy(str,TEXT(""))
17 # define setbuf(f,b)
18 # define setvbuf(w,x,y,z)
19 # define fopen _wfopen
20 # define freopen _wfreopen
21 # define remove(x) DeleteFile(x)
22 #else
23 # define DIR_SEPERATOR TEXT("/")
24 # include <direct.h>
25 #endif
26
27 /* Include the SDL main definition header */ 13 /* Include the SDL main definition header */
28 #include "SDL.h" 14 #include "SDL.h"
29 #include "SDL_main.h" 15 #include "SDL_main.h"
30 16
31 #ifdef main 17 #ifdef main
32 # ifndef _WIN32_WCE_EMULATION 18 # ifndef _WIN32_WCE_EMULATION
33 # undef main 19 # undef main
34 # endif /* _WIN32_WCE_EMULATION */ 20 # endif /* _WIN32_WCE_EMULATION */
35 #endif /* main */ 21 #endif /* main */
36 22
37 /* The standard output files */
38 #define STDOUT_FILE TEXT("stdout.txt")
39 #define STDERR_FILE TEXT("stderr.txt")
40
41 #ifndef NO_STDIO_REDIRECT
42 # ifdef _WIN32_WCE
43 static wchar_t stdoutPath[MAX_PATH];
44 static wchar_t stderrPath[MAX_PATH];
45 # else
46 static char stdoutPath[MAX_PATH];
47 static char stderrPath[MAX_PATH];
48 # endif
49 #endif
50
51 #if defined(_WIN32_WCE) && _WIN32_WCE < 300 23 #if defined(_WIN32_WCE) && _WIN32_WCE < 300
52 /* seems to be undefined in Win CE although in online help */ 24 /* seems to be undefined in Win CE although in online help */
53 #define isspace(a) (((CHAR)a == ' ') || ((CHAR)a == '\t')) 25 #define isspace(a) (((CHAR)a == ' ') || ((CHAR)a == '\t'))
54 #endif /* _WIN32_WCE < 300 */ 26 #endif /* _WIN32_WCE < 300 */
55 27
56 /* Parse a command line buffer into arguments */ 28 /* Parse a command line buffer into arguments */
57 static int ParseCommandLine(char *cmdline, char **argv) 29 static int
30 ParseCommandLine(char *cmdline, char **argv)
58 { 31 {
59 char *bufp; 32 char *bufp;
60 int argc; 33 int argc;
61 34
62 argc = 0; 35 argc = 0;
63 for ( bufp = cmdline; *bufp; ) { 36 for (bufp = cmdline; *bufp;) {
64 /* Skip leading whitespace */ 37 /* Skip leading whitespace */
65 while ( isspace(*bufp) ) { 38 while (isspace(*bufp)) {
66 ++bufp; 39 ++bufp;
67 } 40 }
68 /* Skip over argument */ 41 /* Skip over argument */
69 if ( *bufp == '"' ) { 42 if (*bufp == '"') {
70 ++bufp; 43 ++bufp;
71 if ( *bufp ) { 44 if (*bufp) {
72 if ( argv ) { 45 if (argv) {
73 argv[argc] = bufp; 46 argv[argc] = bufp;
74 } 47 }
75 ++argc; 48 ++argc;
76 } 49 }
77 /* Skip over word */ 50 /* Skip over word */
78 while ( *bufp && (*bufp != '"') ) { 51 while (*bufp && (*bufp != '"')) {
79 ++bufp; 52 ++bufp;
80 } 53 }
81 } else { 54 } else {
82 if ( *bufp ) { 55 if (*bufp) {
83 if ( argv ) { 56 if (argv) {
84 argv[argc] = bufp; 57 argv[argc] = bufp;
85 } 58 }
86 ++argc; 59 ++argc;
87 } 60 }
88 /* Skip over word */ 61 /* Skip over word */
89 while ( *bufp && ! isspace(*bufp) ) { 62 while (*bufp && !isspace(*bufp)) {
90 ++bufp; 63 ++bufp;
91 } 64 }
92 } 65 }
93 if ( *bufp ) { 66 if (*bufp) {
94 if ( argv ) { 67 if (argv) {
95 *bufp = '\0'; 68 *bufp = '\0';
96 } 69 }
97 ++bufp; 70 ++bufp;
98 } 71 }
99 } 72 }
100 if ( argv ) { 73 if (argv) {
101 argv[argc] = NULL; 74 argv[argc] = NULL;
102 } 75 }
103 return(argc); 76 return (argc);
104 } 77 }
105 78
106 /* Show an error message */ 79 /* Show an error message */
107 static void ShowError(const char *title, const char *message) 80 static void
81 ShowError(const char *title, const char *message)
108 { 82 {
109 /* If USE_MESSAGEBOX is defined, you need to link with user32.lib */ 83 /* If USE_MESSAGEBOX is defined, you need to link with user32.lib */
110 #ifdef USE_MESSAGEBOX 84 #ifdef USE_MESSAGEBOX
111 MessageBox(NULL, message, title, MB_ICONEXCLAMATION|MB_OK); 85 MessageBox(NULL, message, title, MB_ICONEXCLAMATION | MB_OK);
112 #else 86 #else
113 fprintf(stderr, "%s: %s\n", title, message); 87 fprintf(stderr, "%s: %s\n", title, message);
114 #endif 88 #endif
115 } 89 }
116 90
117 /* Pop up an out of memory message, returns to Windows */ 91 /* Pop up an out of memory message, returns to Windows */
118 static BOOL OutOfMemory(void) 92 static BOOL
93 OutOfMemory(void)
119 { 94 {
120 ShowError("Fatal Error", "Out of memory - aborting"); 95 ShowError("Fatal Error", "Out of memory - aborting");
121 return FALSE; 96 return FALSE;
122 }
123
124 /* SDL_Quit() shouldn't be used with atexit() directly because
125 calling conventions may differ... */
126 static void cleanup(void)
127 {
128 SDL_Quit();
129 }
130
131 /* Remove the output files if there was no output written */
132 static void cleanup_output(void)
133 {
134 #ifndef NO_STDIO_REDIRECT
135 FILE *file;
136 int empty;
137 #endif
138
139 /* Flush the output in case anything is queued */
140 fclose(stdout);
141 fclose(stderr);
142
143 #ifndef NO_STDIO_REDIRECT
144 /* See if the files have any output in them */
145 if ( stdoutPath[0] ) {
146 file = fopen(stdoutPath, TEXT("rb"));
147 if ( file ) {
148 empty = (fgetc(file) == EOF) ? 1 : 0;
149 fclose(file);
150 if ( empty ) {
151 remove(stdoutPath);
152 }
153 }
154 }
155 if ( stderrPath[0] ) {
156 file = fopen(stderrPath, TEXT("rb"));
157 if ( file ) {
158 empty = (fgetc(file) == EOF) ? 1 : 0;
159 fclose(file);
160 if ( empty ) {
161 remove(stderrPath);
162 }
163 }
164 }
165 #endif
166 } 97 }
167 98
168 #if defined(_MSC_VER) && !defined(_WIN32_WCE) 99 #if defined(_MSC_VER) && !defined(_WIN32_WCE)
169 /* The VC++ compiler needs main defined */ 100 /* The VC++ compiler needs main defined */
170 #define console_main main 101 #define console_main main
171 #endif 102 #endif
172 103
173 /* This is where execution begins [console apps] */ 104 /* This is where execution begins [console apps] */
174 int console_main(int argc, char *argv[]) 105 int
106 console_main(int argc, char *argv[])
175 { 107 {
176 size_t n; 108 int status;
177 char *bufp, *appname;
178 int status;
179 109
180 /* Get the class name from argv[0] */ 110 /* Run the application main() code */
181 appname = argv[0]; 111 status = SDL_main(argc, argv);
182 if ( (bufp=SDL_strrchr(argv[0], '\\')) != NULL ) {
183 appname = bufp+1;
184 } else
185 if ( (bufp=SDL_strrchr(argv[0], '/')) != NULL ) {
186 appname = bufp+1;
187 }
188 112
189 if ( (bufp=SDL_strrchr(appname, '.')) == NULL ) 113 /* Exit cleanly, calling atexit() functions */
190 n = SDL_strlen(appname); 114 exit(status);
191 else
192 n = (bufp-appname);
193 115
194 bufp = SDL_stack_alloc(char, n+1); 116 /* Hush little compiler, don't you cry... */
195 if ( bufp == NULL ) { 117 return 0;
196 return OutOfMemory();
197 }
198 SDL_strlcpy(bufp, appname, n+1);
199 appname = bufp;
200
201 /* Load SDL dynamic link library */
202 if ( SDL_Init(SDL_INIT_NOPARACHUTE) < 0 ) {
203 ShowError("WinMain() error", SDL_GetError());
204 return(FALSE);
205 }
206 atexit(cleanup_output);
207 atexit(cleanup);
208
209 /* Sam:
210 We still need to pass in the application handle so that
211 DirectInput will initialize properly when SDL_RegisterApp()
212 is called later in the video initialization.
213 */
214 SDL_SetModuleHandle(GetModuleHandle(NULL));
215
216 /* Run the application main() code */
217 status = SDL_main(argc, argv);
218
219 /* Exit cleanly, calling atexit() functions */
220 exit(status);
221
222 /* Hush little compiler, don't you cry... */
223 return 0;
224 } 118 }
225 119
226 /* This is where execution begins [windowed apps] */ 120 /* This is where execution begins [windowed apps] */
121 int WINAPI
122 WinMain(HINSTANCE hInst, HINSTANCE hPrev, LPTSTR szCmdLine, int sw)
123 {
124 char **argv;
125 int argc;
126 char *cmdline;
227 #ifdef _WIN32_WCE 127 #ifdef _WIN32_WCE
228 int WINAPI WinMain(HINSTANCE hInst, HINSTANCE hPrev, LPWSTR szCmdLine, int sw) 128 wchar_t *bufp;
129 int nLen;
229 #else 130 #else
230 int WINAPI WinMain(HINSTANCE hInst, HINSTANCE hPrev, LPSTR szCmdLine, int sw) 131 char *bufp;
231 #endif 132 size_t nLen;
232 {
233 HINSTANCE handle;
234 char **argv;
235 int argc;
236 char *cmdline;
237 DWORD pathlen;
238 #ifdef _WIN32_WCE
239 wchar_t path[MAX_PATH];
240 #else
241 char path[MAX_PATH];
242 #endif
243 #ifdef _WIN32_WCE
244 wchar_t *bufp;
245 int nLen;
246 #else
247 char *bufp;
248 size_t nLen;
249 #endif
250 #ifndef NO_STDIO_REDIRECT
251 FILE *newfp;
252 #endif 133 #endif
253 134
254 /* Start up DDHELP.EXE before opening any files, so DDHELP doesn't
255 keep them open. This is a hack.. hopefully it will be fixed
256 someday. DDHELP.EXE starts up the first time DDRAW.DLL is loaded.
257 */
258 handle = LoadLibrary(TEXT("DDRAW.DLL"));
259 if ( handle != NULL ) {
260 FreeLibrary(handle);
261 }
262
263 #ifndef NO_STDIO_REDIRECT
264 pathlen = GetModuleFileName(NULL, path, SDL_arraysize(path));
265 while ( pathlen > 0 && path[pathlen] != '\\' ) {
266 --pathlen;
267 }
268 path[pathlen] = '\0';
269
270 #ifdef _WIN32_WCE 135 #ifdef _WIN32_WCE
271 wcsncpy( stdoutPath, path, SDL_arraysize(stdoutPath) ); 136 nLen = wcslen(szCmdLine) + 128 + 1;
272 wcsncat( stdoutPath, DIR_SEPERATOR STDOUT_FILE, SDL_arraysize(stdoutPath) ); 137 bufp = SDL_stack_alloc(wchar_t, nLen * 2);
138 wcscpy(bufp, TEXT("\""));
139 GetModuleFileName(NULL, bufp + 1, 128 - 3);
140 wcscpy(bufp + wcslen(bufp), TEXT("\" "));
141 wcsncpy(bufp + wcslen(bufp), szCmdLine, nLen - wcslen(bufp));
142 nLen = wcslen(bufp) + 1;
143 cmdline = SDL_stack_alloc(char, nLen);
144 if (cmdline == NULL) {
145 return OutOfMemory();
146 }
147 WideCharToMultiByte(CP_ACP, 0, bufp, -1, cmdline, nLen, NULL, NULL);
273 #else 148 #else
274 SDL_strlcpy( stdoutPath, path, SDL_arraysize(stdoutPath) ); 149 /* Grab the command line */
275 SDL_strlcat( stdoutPath, DIR_SEPERATOR STDOUT_FILE, SDL_arraysize(stdoutPath) ); 150 bufp = GetCommandLine();
276 #endif 151 nLen = SDL_strlen(bufp) + 1;
277 152 cmdline = SDL_stack_alloc(char, nLen);
278 /* Redirect standard input and standard output */ 153 if (cmdline == NULL) {
279 newfp = freopen(stdoutPath, TEXT("w"), stdout); 154 return OutOfMemory();
280 155 }
281 #ifndef _WIN32_WCE 156 SDL_strlcpy(cmdline, bufp, nLen);
282 if ( newfp == NULL ) { /* This happens on NT */
283 #if !defined(stdout)
284 stdout = fopen(stdoutPath, TEXT("w"));
285 #else
286 newfp = fopen(stdoutPath, TEXT("w"));
287 if ( newfp ) {
288 *stdout = *newfp;
289 }
290 #endif
291 }
292 #endif /* _WIN32_WCE */
293
294 #ifdef _WIN32_WCE
295 wcsncpy( stderrPath, path, SDL_arraysize(stdoutPath) );
296 wcsncat( stderrPath, DIR_SEPERATOR STDOUT_FILE, SDL_arraysize(stdoutPath) );
297 #else
298 SDL_strlcpy( stderrPath, path, SDL_arraysize(stderrPath) );
299 SDL_strlcat( stderrPath, DIR_SEPERATOR STDERR_FILE, SDL_arraysize(stderrPath) );
300 #endif 157 #endif
301 158
302 newfp = freopen(stderrPath, TEXT("w"), stderr); 159 /* Parse it into argv and argc */
303 #ifndef _WIN32_WCE 160 argc = ParseCommandLine(cmdline, NULL);
304 if ( newfp == NULL ) { /* This happens on NT */ 161 argv = SDL_stack_alloc(char *, argc + 1);
305 #if !defined(stderr) 162 if (argv == NULL) {
306 stderr = fopen(stderrPath, TEXT("w")); 163 return OutOfMemory();
307 #else 164 }
308 newfp = fopen(stderrPath, TEXT("w")); 165 ParseCommandLine(cmdline, argv);
309 if ( newfp ) {
310 *stderr = *newfp;
311 }
312 #endif
313 }
314 #endif /* _WIN32_WCE */
315 166
316 setvbuf(stdout, NULL, _IOLBF, BUFSIZ); /* Line buffered */ 167 /* Run the main program */
317 setbuf(stderr, NULL); /* No buffering */ 168 console_main(argc, argv);
318 #endif /* !NO_STDIO_REDIRECT */
319 169
320 #ifdef _WIN32_WCE 170 /* Hush little compiler, don't you cry... */
321 nLen = wcslen(szCmdLine)+128+1; 171 return 0;
322 bufp = SDL_stack_alloc(wchar_t, nLen*2); 172 }
323 wcscpy (bufp, TEXT("\""));
324 GetModuleFileName(NULL, bufp+1, 128-3);
325 wcscpy (bufp+wcslen(bufp), TEXT("\" "));
326 wcsncpy(bufp+wcslen(bufp), szCmdLine,nLen-wcslen(bufp));
327 nLen = wcslen(bufp)+1;
328 cmdline = SDL_stack_alloc(char, nLen);
329 if ( cmdline == NULL ) {
330 return OutOfMemory();
331 }
332 WideCharToMultiByte(CP_ACP, 0, bufp, -1, cmdline, nLen, NULL, NULL);
333 #else
334 /* Grab the command line */
335 bufp = GetCommandLine();
336 nLen = SDL_strlen(bufp)+1;
337 cmdline = SDL_stack_alloc(char, nLen);
338 if ( cmdline == NULL ) {
339 return OutOfMemory();
340 }
341 SDL_strlcpy(cmdline, bufp, nLen);
342 #endif
343 173
344 /* Parse it into argv and argc */ 174 /* vi: set ts=4 sw=4 expandtab: */
345 argc = ParseCommandLine(cmdline, NULL);
346 argv = SDL_stack_alloc(char*, argc+1);
347 if ( argv == NULL ) {
348 return OutOfMemory();
349 }
350 ParseCommandLine(cmdline, argv);
351
352 /* Run the main program (after a little SDL initialization) */
353 console_main(argc, argv);
354
355 /* Hush little compiler, don't you cry... */
356 return 0;
357 }