File: sdl_winmain.cpp

package info (click to toggle)
wolf4sdl 1.7+svn262+dfsg1-5
  • links: PTS, VCS
  • area: contrib
  • in suites: bullseye, buster, sid
  • size: 4,112 kB
  • sloc: cpp: 34,696; ansic: 1,257; objc: 246; makefile: 159; sh: 44
file content (378 lines) | stat: -rw-r--r-- 8,877 bytes parent folder | download | duplicates (4)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
#ifdef _WIN32

/*
    SDL_main.c, placed in the public domain by Sam Lantinga  4/13/98

    Modified to write stdout/stderr to a message box at shutdown by Ripper  2007-12-27

    The WinMain function -- calls your program's main() function
*/

#include <stdio.h>
#include <stdlib.h>

#define WIN32_LEAN_AND_MEAN
#include <windows.h>

#ifdef _WIN32_WCE
# define DIR_SEPERATOR TEXT("\\")
# undef _getcwd
# define _getcwd(str,len)	wcscpy(str,TEXT(""))
# define setbuf(f,b)
# define setvbuf(w,x,y,z)
# define fopen		_wfopen
# define freopen	_wfreopen
# define remove(x)	DeleteFile(x)
#else
# define DIR_SEPERATOR TEXT("/")
# include <direct.h>
#endif

/* Include the SDL main definition header */
#include "SDL.h"
#include "SDL_main.h"

#ifdef main
# ifndef _WIN32_WCE_EMULATION
#  undef main
# endif /* _WIN32_WCE_EMULATION */
#endif /* main */

/* The standard output files */
#define STDOUT_FILE	TEXT("stdout.txt")
#define STDERR_FILE	TEXT("stderr.txt")

#ifndef NO_STDIO_REDIRECT
# ifdef _WIN32_WCE
  static wchar_t stdoutPath[MAX_PATH];
  static wchar_t stderrPath[MAX_PATH];
# else
  static char stdoutPath[MAX_PATH];
  static char stderrPath[MAX_PATH];
# endif
#endif

#if defined(_WIN32_WCE) && _WIN32_WCE < 300
/* seems to be undefined in Win CE although in online help */
#define isspace(a) (((CHAR)a == ' ') || ((CHAR)a == '\t'))
#endif /* _WIN32_WCE < 300 */

/* Parse a command line buffer into arguments */
static int ParseCommandLine(char *cmdline, char **argv)
{
	char *bufp;
	int argc;

	argc = 0;
	for ( bufp = cmdline; *bufp; ) {
		/* Skip leading whitespace */
		while ( isspace(*bufp) ) {
			++bufp;
		}
		/* Skip over argument */
		if ( *bufp == '"' ) {
			++bufp;
			if ( *bufp ) {
				if ( argv ) {
					argv[argc] = bufp;
				}
				++argc;
			}
			/* Skip over word */
			while ( *bufp && (*bufp != '"') ) {
				++bufp;
			}
		} else {
			if ( *bufp ) {
				if ( argv ) {
					argv[argc] = bufp;
				}
				++argc;
			}
			/* Skip over word */
			while ( *bufp && ! isspace(*bufp) ) {
				++bufp;
			}
		}
		if ( *bufp ) {
			if ( argv ) {
				*bufp = '\0';
			}
			++bufp;
		}
	}
	if ( argv ) {
		argv[argc] = NULL;
	}
	return(argc);
}

/* Show an error message */
static void ShowError(const char *title, const char *message)
{
/* If USE_MESSAGEBOX is defined, you need to link with user32.lib */
#ifdef USE_MESSAGEBOX
	MessageBox(NULL, message, title, MB_ICONEXCLAMATION|MB_OK);
#else
	fprintf(stderr, "%s: %s\n", title, message);
#endif
}

/* Pop up an out of memory message, returns to Windows */
static BOOL OutOfMemory(void)
{
	ShowError("Fatal Error", "Out of memory - aborting");
	return FALSE;
}

/* SDL_Quit() shouldn't be used with atexit() directly because
   calling conventions may differ... */
static void cleanup(void)
{
	SDL_Quit();
}

/* Remove the output files if there was no output written */
static void cleanup_output(void)
{
#if 1
#ifndef NO_STDIO_REDIRECT
	FILE *file;
#endif
#endif

	/* Flush the output in case anything is queued */
	fclose(stdout);
	fclose(stderr);

#if 1
#ifndef NO_STDIO_REDIRECT
	/* See if the files have any output in them */
	if ( stdoutPath[0] ) {
		file = fopen(stdoutPath, TEXT("r"));
		if ( file ) {
            char buf[16384];
            size_t readbytes = fread(buf, 1, 16383, file);
            fclose(file);

            if(readbytes != 0)
            {
                buf[readbytes] = 0;     // cut after last byte (<=16383)
                MessageBox(NULL, buf, "Wolf4SDL", MB_OK);
            }
            else
                remove(stdoutPath);     // remove empty file
		}
	}
	if ( stderrPath[0] ) {
		file = fopen(stderrPath, TEXT("rb"));
		if ( file ) {
            char buf[16384];
            size_t readbytes = fread(buf, 1, 16383, file);
            fclose(file);

            if(readbytes != 0)
            {
                buf[readbytes] = 0;     // cut after last byte (<=16383)
                MessageBox(NULL, buf, "Wolf4SDL", MB_OK);
            }
            else
                remove(stderrPath);     // remove empty file
		}
	}
#endif
#endif
}

//#if defined(_MSC_VER) && !defined(_WIN32_WCE)
///* The VC++ compiler needs main defined */
//#define console_main main
//#endif

/* This is where execution begins [console apps] */
int console_main(int argc, char *argv[])
{
	size_t n;
	char *bufp, *appname;
	int status;

	/* Get the class name from argv[0] */
	appname = argv[0];
	if ( (bufp=SDL_strrchr(argv[0], '\\')) != NULL ) {
		appname = bufp+1;
	} else
	if ( (bufp=SDL_strrchr(argv[0], '/')) != NULL ) {
		appname = bufp+1;
	}

	if ( (bufp=SDL_strrchr(appname, '.')) == NULL )
		n = SDL_strlen(appname);
	else
		n = (bufp-appname);

	bufp = SDL_stack_alloc(char, n+1);
	if ( bufp == NULL ) {
		return OutOfMemory();
	}
	SDL_strlcpy(bufp, appname, n+1);
	appname = bufp;

	/* Load SDL dynamic link library */
	if ( SDL_Init(SDL_INIT_NOPARACHUTE) < 0 ) {
		ShowError("WinMain() error", SDL_GetError());
		return(FALSE);
	}
	atexit(cleanup_output);
	atexit(cleanup);

	/* Sam:
	   We still need to pass in the application handle so that
	   DirectInput will initialize properly when SDL_RegisterApp()
	   is called later in the video initialization.
	 */
	SDL_SetModuleHandle(GetModuleHandle(NULL));

	/* Run the application main() code */
	status = SDL_main(argc, argv);

	/* Exit cleanly, calling atexit() functions */
	exit(status);

	/* Hush little compiler, don't you cry... */
	return 0;
}

/* This is where execution begins [windowed apps] */
#ifdef _WIN32_WCE
int WINAPI WinMain(HINSTANCE hInst, HINSTANCE hPrev, LPWSTR szCmdLine, int sw)
#else
int WINAPI WinMain(HINSTANCE hInst, HINSTANCE hPrev, LPSTR szCmdLine, int sw)
#endif
{
	HINSTANCE handle;
	char **argv;
	int argc;
	char *cmdline;
#ifdef _WIN32_WCE
	wchar_t *bufp;
	int nLen;
#else
	char *bufp;
	size_t nLen;
#endif
#ifndef NO_STDIO_REDIRECT
	DWORD pathlen;
#ifdef _WIN32_WCE
	wchar_t path[MAX_PATH];
#else
	char path[MAX_PATH];
#endif
	FILE *newfp;
#endif

	/* Start up DDHELP.EXE before opening any files, so DDHELP doesn't
	   keep them open.  This is a hack.. hopefully it will be fixed
	   someday.  DDHELP.EXE starts up the first time DDRAW.DLL is loaded.
	 */
	handle = LoadLibrary(TEXT("DDRAW.DLL"));
	if ( handle != NULL ) {
		FreeLibrary(handle);
	}

#ifndef NO_STDIO_REDIRECT
	pathlen = GetModuleFileName(NULL, path, SDL_arraysize(path));
	while ( pathlen > 0 && path[pathlen] != '\\' ) {
		--pathlen;
	}
	path[pathlen] = '\0';

#ifdef _WIN32_WCE
	wcsncpy( stdoutPath, path, SDL_arraysize(stdoutPath) );
	wcsncat( stdoutPath, DIR_SEPERATOR STDOUT_FILE, SDL_arraysize(stdoutPath) );
#else
	SDL_strlcpy( stdoutPath, path, SDL_arraysize(stdoutPath) );
	SDL_strlcat( stdoutPath, DIR_SEPERATOR STDOUT_FILE, SDL_arraysize(stdoutPath) );
#endif

	/* Redirect standard input and standard output */
	newfp = freopen(stdoutPath, TEXT("w"), stdout);

#ifndef _WIN32_WCE
	if ( newfp == NULL ) {	/* This happens on NT */
#if !defined(stdout)
		stdout = fopen(stdoutPath, TEXT("w"));
#else
		newfp = fopen(stdoutPath, TEXT("w"));
		if ( newfp ) {
			*stdout = *newfp;
		}
#endif
	}
#endif /* _WIN32_WCE */

#ifdef _WIN32_WCE
	wcsncpy( stderrPath, path, SDL_arraysize(stdoutPath) );
	wcsncat( stderrPath, DIR_SEPERATOR STDOUT_FILE, SDL_arraysize(stdoutPath) );
#else
	SDL_strlcpy( stderrPath, path, SDL_arraysize(stderrPath) );
	SDL_strlcat( stderrPath, DIR_SEPERATOR STDERR_FILE, SDL_arraysize(stderrPath) );
#endif

	newfp = freopen(stderrPath, TEXT("w"), stderr);
#ifndef _WIN32_WCE
	if ( newfp == NULL ) {	/* This happens on NT */
#if !defined(stderr)
		stderr = fopen(stderrPath, TEXT("w"));
#else
		newfp = fopen(stderrPath, TEXT("w"));
		if ( newfp ) {
			*stderr = *newfp;
		}
#endif
	}
#endif /* _WIN32_WCE */

	setvbuf(stdout, NULL, _IOLBF, BUFSIZ);	/* Line buffered */
	setbuf(stderr, NULL);			/* No buffering */
#endif /* !NO_STDIO_REDIRECT */

#ifdef _WIN32_WCE
	nLen = wcslen(szCmdLine)+128+1;
	bufp = SDL_stack_alloc(wchar_t, nLen*2);
	wcscpy (bufp, TEXT("\""));
	GetModuleFileName(NULL, bufp+1, 128-3);
	wcscpy (bufp+wcslen(bufp), TEXT("\" "));
	wcsncpy(bufp+wcslen(bufp), szCmdLine,nLen-wcslen(bufp));
	nLen = wcslen(bufp)+1;
	cmdline = SDL_stack_alloc(char, nLen);
	if ( cmdline == NULL ) {
		return OutOfMemory();
	}
	WideCharToMultiByte(CP_ACP, 0, bufp, -1, cmdline, nLen, NULL, NULL);
#else
	/* Grab the command line */
	bufp = GetCommandLine();
	nLen = SDL_strlen(bufp)+1;
	cmdline = SDL_stack_alloc(char, nLen);
	if ( cmdline == NULL ) {
		return OutOfMemory();
	}
	SDL_strlcpy(cmdline, bufp, nLen);
#endif

	/* Parse it into argv and argc */
	argc = ParseCommandLine(cmdline, NULL);
	argv = SDL_stack_alloc(char*, argc+1);
	if ( argv == NULL ) {
		return OutOfMemory();
	}
	ParseCommandLine(cmdline, argv);

	/* Run the main program (after a little SDL initialization) */
	console_main(argc, argv);

	/* Hush little compiler, don't you cry... */
	return 0;
}

#endif  // _WIN32