src/SDL/SDLMain.m

/*   SDLMain.m - main entry point for our Cocoa-ized SDL app
       Initial Version: Darrell Walisser <dwaliss1@purdue.edu>
       Non-NIB-Code & other changes: Max Horn <max@quendi.de>

    Feel free to customize this file to suit your needs
*/

#import "SDL.h"
#import "SDLMain.h"
#import <sys/param.h> /* for MAXPATHLEN */
#import <unistd.h>

/* For some reaon, Apple removed setAppleMenu from the headers in 10.4,
 but the method still is there and works. To avoid warnings, we declare
 it ourselves here. */
@interface NSApplication(SDL_Missing_Methods)
- (void)setAppleMenu:(NSMenu *)menu;
@end

/* Use this flag to determine whether we use SDLMain.nib or not */
#define         SDL_USE_NIB_FILE        0

/* Use this flag to determine whether we use CPS (docking) or not */
#define         SDL_USE_CPS             1
#ifdef SDL_USE_CPS
/* Portions of CPS.h */
typedef struct CPSProcessSerNum
{
        UInt32          lo;
        UInt32          hi;
} CPSProcessSerNum;

extern OSErr    CPSGetCurrentProcess( CPSProcessSerNum *psn);
extern OSErr    CPSEnableForegroundOperation( CPSProcessSerNum *psn, UInt32 _arg2, UInt32 _arg3, UInt32 _arg4, UInt32 _arg5);
extern OSErr    CPSSetFrontProcess( CPSProcessSerNum *psn);

#endif /* SDL_USE_CPS */

static int    gArgc;
static char  **gArgv;
static BOOL   gFinderLaunch;
static BOOL   gCalledAppMainline = FALSE;

static NSString *getApplicationName(void)
{
    NSDictionary *dict;
    NSString *appName = 0;

    /* Determine the application name */
    dict = (NSDictionary *)CFBundleGetInfoDictionary(CFBundleGetMainBundle());
    if (dict)
        appName = [dict objectForKey: @"CFBundleName"];
    
    if (![appName length])
        appName = [[NSProcessInfo processInfo] processName];

    return appName;
}

#if SDL_USE_NIB_FILE
/* A helper category for NSString */
@interface NSString (ReplaceSubString)
- (NSString *)stringByReplacingRange:(NSRange)aRange with:(NSString *)aString;
@end
#endif

@interface SDLApplication : NSApplication
@end

@implementation SDLApplication
/* Invoked from the Quit menu item */
- (void)terminate:(id)sender
{
    /* Post a SDL_QUIT event */
    SDL_Event event;
    event.type = SDL_QUIT;
    SDL_PushEvent(&event);
}
@end

/* The main class of the application, the application's delegate */
@implementation SDLMain

/* Set the working directory to the .app's parent directory */
- (void) setupWorkingDirectory:(BOOL)shouldChdir
{
    if (shouldChdir)
    {
        char parentdir[MAXPATHLEN];
                CFURLRef url = CFBundleCopyBundleURL(CFBundleGetMainBundle());
                CFURLRef url2 = CFURLCreateCopyDeletingLastPathComponent(0, url);
                if (CFURLGetFileSystemRepresentation(url2, true, (UInt8 *)parentdir, MAXPATHLEN)) {
                assert ( chdir (parentdir) == 0 );   /* chdir to the binary app's parent */
                }
                CFRelease(url);
                CFRelease(url2);
        }

}

#if SDL_USE_NIB_FILE

/* Fix menu to contain the real app name instead of "SDL App" */
- (void)fixMenu:(NSMenu *)aMenu withAppName:(NSString *)appName
{
    NSRange aRange;
    NSEnumerator *enumerator;
    NSMenuItem *menuItem;

    aRange = [[aMenu title] rangeOfString:@"SDL App"];
    if (aRange.length != 0)
        [aMenu setTitle: [[aMenu title] stringByReplacingRange:aRange with:appName]];

    enumerator = [[aMenu itemArray] objectEnumerator];
    while ((menuItem = [enumerator nextObject]))
    {
        aRange = [[menuItem title] rangeOfString:@"SDL App"];
        if (aRange.length != 0)
            [menuItem setTitle: [[menuItem title] stringByReplacingRange:aRange with:appName]];
        if ([menuItem hasSubmenu])
            [self fixMenu:[menuItem submenu] withAppName:appName];
    }
    [ aMenu sizeToFit ];
}

#else

static void setApplicationMenu(void)
{
    /* warning: this code is very odd */
    NSMenu *appleMenu;
    NSMenuItem *menuItem;
    NSString *title;
    NSString *appName;
    
    appName = getApplicationName();
    appleMenu = [[NSMenu alloc] initWithTitle:@""];
    
    /* Add menu items */
    title = [@"About " stringByAppendingString:appName];
    [appleMenu addItemWithTitle:title action:@selector(orderFrontStandardAboutPanel:) keyEquivalent:@""];

    [appleMenu addItem:[NSMenuItem separatorItem]];

    title = [@"Hide " stringByAppendingString:appName];
    [appleMenu addItemWithTitle:title action:@selector(hide:) keyEquivalent:@"h"];

    menuItem = (NSMenuItem *)[appleMenu addItemWithTitle:@"Hide Others" action:@selector(hideOtherApplications:) keyEquivalent:@"h"];
    [menuItem setKeyEquivalentModifierMask:(NSAlternateKeyMask|NSCommandKeyMask)];

    [appleMenu addItemWithTitle:@"Show All" action:@selector(unhideAllApplications:) keyEquivalent:@""];

    [appleMenu addItem:[NSMenuItem separatorItem]];

    title = [@"Quit " stringByAppendingString:appName];
    [appleMenu addItemWithTitle:title action:@selector(terminate:) keyEquivalent:@"q"];

    
    /* Put menu into the menubar */
    menuItem = [[NSMenuItem alloc] initWithTitle:@"" action:nil keyEquivalent:@""];
    [menuItem setSubmenu:appleMenu];
    [[NSApp mainMenu] addItem:menuItem];

    /* Tell the application object that this is now the application menu */
    [NSApp setAppleMenu:appleMenu];

    /* Finally give up our references to the objects */
    [appleMenu release];
    [menuItem release];
}

/* Create a window menu */
static void setupWindowMenu(void)
{
    NSMenu      *windowMenu;
    NSMenuItem  *windowMenuItem;
    NSMenuItem  *menuItem;

    windowMenu = [[NSMenu alloc] initWithTitle:@"Window"];
    
    /* "Minimize" item */
    menuItem = [[NSMenuItem alloc] initWithTitle:@"Minimize" action:@selector(performMiniaturize:) keyEquivalent:@"m"];
    [windowMenu addItem:menuItem];
    [menuItem release];
    
    /* Put menu into the menubar */
    windowMenuItem = [[NSMenuItem alloc] initWithTitle:@"Window" action:nil keyEquivalent:@""];
    [windowMenuItem setSubmenu:windowMenu];
    [[NSApp mainMenu] addItem:windowMenuItem];
    
    /* Tell the application object that this is now the window menu */
    [NSApp setWindowsMenu:windowMenu];

    /* Finally give up our references to the objects */
    [windowMenu release];
    [windowMenuItem release];
}

/* Replacement for NSApplicationMain */
static void CustomApplicationMain (int argc, char **argv)
{
    NSAutoreleasePool   *pool = [[NSAutoreleasePool alloc] init];
    SDLMain                             *sdlMain;

    /* Ensure the application object is initialised */
    [SDLApplication sharedApplication];
    
#ifdef SDL_USE_CPS
    {
        CPSProcessSerNum PSN;
        /* Tell the dock about us */
        if (!CPSGetCurrentProcess(&PSN))
            if (!CPSEnableForegroundOperation(&PSN,0x03,0x3C,0x2C,0x1103))
                if (!CPSSetFrontProcess(&PSN))
                    [SDLApplication sharedApplication];
    }
#endif /* SDL_USE_CPS */

    /* Set up the menubar */
    [NSApp setMainMenu:[[NSMenu alloc] init]];
    setApplicationMenu();
    setupWindowMenu();

    /* Create SDLMain and make it the app delegate */
    sdlMain = [[SDLMain alloc] init];
    [NSApp setDelegate:sdlMain];
    
    /* Start the main event loop */
    [NSApp run];
    
    [sdlMain release];
    [pool release];
}

#endif


/*
 * Catch document open requests...this lets us notice files when the app
 *  was launched by double-clicking a document, or when a document was
 *  dragged/dropped on the app's icon. You need to have a
 *  CFBundleDocumentsType section in your Info.plist to get this message,
 *  apparently.
 *
 * Files are added to gArgv, so to the app, they'll look like command line
 *  arguments. Previously, apps launched from the finder had nothing but
 *  an argv[0].
 *
 * This message may be received multiple times to open several docs on launch.
 *
 * This message is ignored once the app's mainline has been called.
 */
- (BOOL)application:(NSApplication *)theApplication openFile:(NSString *)filename
{
    const char *temparg;
    size_t arglen;
    char *arg;
    char **newargv;

    if (!gFinderLaunch)  /* MacOS is passing command line args. */
        return FALSE;

    if (gCalledAppMainline)  /* app has started, ignore this document. */
        return FALSE;

    temparg = [filename UTF8String];
    arglen = SDL_strlen(temparg) + 1;
    arg = (char *) SDL_malloc(arglen);
    if (arg == NULL)
        return FALSE;

    newargv = (char **) realloc(gArgv, sizeof (char *) * (gArgc + 2));
    if (newargv == NULL)
    {
        SDL_free(arg);
        return FALSE;
    }
    gArgv = newargv;

    SDL_strlcpy(arg, temparg, arglen);
    gArgv[gArgc++] = arg;
    gArgv[gArgc] = NULL;
    return TRUE;
}


/* Called when the internal event loop has just started running */
- (void) applicationDidFinishLaunching: (NSNotification *) note
{
    int status;

    /* Set the working directory to the .app's parent directory */
    [self setupWorkingDirectory:gFinderLaunch];

#if SDL_USE_NIB_FILE
    /* Set the main menu to contain the real app name instead of "SDL App" */
    [self fixMenu:[NSApp mainMenu] withAppName:getApplicationName()];
#endif

    /* Hand off to main application code */
    gCalledAppMainline = TRUE;
    status = SDL_main (gArgc, gArgv);

    /* We're done, thank you for playing */
    exit(status);
}
@end


@implementation NSString (ReplaceSubString)

- (NSString *)stringByReplacingRange:(NSRange)aRange with:(NSString *)aString
{
    unsigned int bufferSize;
    unsigned int selfLen = [self length];
    unsigned int aStringLen = [aString length];
    unichar *buffer;
    NSRange localRange;
    NSString *result;

    bufferSize = selfLen + aStringLen - aRange.length;
    buffer = NSAllocateMemoryPages(bufferSize*sizeof(unichar));
    
    /* Get first part into buffer */
    localRange.location = 0;
    localRange.length = aRange.location;
    [self getCharacters:buffer range:localRange];
    
    /* Get middle part into buffer */
    localRange.location = 0;
    localRange.length = aStringLen;
    [aString getCharacters:(buffer+aRange.location) range:localRange];
     
    /* Get last part into buffer */
    localRange.location = aRange.location + aRange.length;
    localRange.length = selfLen - localRange.location;
    [self getCharacters:(buffer+aRange.location+aStringLen) range:localRange];
    
    /* Build output string */
    result = [NSString stringWithCharacters:buffer length:bufferSize];
    
    NSDeallocateMemoryPages(buffer, bufferSize);
    
    return result;
}

@end

// This is used from video_sdl.cpp.
void NSAutoReleasePool_wrap(void (*fn)(void))
{
        NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
        fn();
        [pool release];
}

#ifdef main
#  undef main
#endif


/* Main entry point to executable - should *not* be SDL_main! */
int main (int argc, char **argv)
{
    /* Copy the arguments into a global variable */
    /* This is passed if we are launched by double-clicking */
    if ( argc >= 2 && strncmp (argv[1], "-psn", 4) == 0 ) {
        gArgv = (char **) SDL_malloc(sizeof (char *) * 2);
        gArgv[0] = argv[0];
        gArgv[1] = NULL;
        gArgc = 1;
        gFinderLaunch = YES;
    } else {
        int i;
        gArgc = argc;
        gArgv = (char **) SDL_malloc(sizeof (char *) * (argc+1));
        for (i = 0; i <= argc; i++)
            gArgv[i] = argv[i];
        gFinderLaunch = NO;
    }

#if SDL_USE_NIB_FILE
    [SDLApplication poseAsClass:[NSApplication class]];
    NSApplicationMain (argc, argv);
#else
    CustomApplicationMain (argc, argv);
#endif
    return 0;
}

Revision:	1.2
Committed:	2011-12-28T22:15:11Z (12 years, 11 months ago) by asvitkine
Branch:	MAIN
Changes since 1.1:	+7 -1 lines
Log Message:	fix SDL leak by wrapping video_refresh() call with an NSAutoReleasePool
#	User	Rev	Content
1	asvitkine	1.1	/* SDLMain.m - main entry point for our Cocoa-ized SDL app
2			Initial Version: Darrell Walisser <dwaliss1@purdue.edu>
3			Non-NIB-Code & other changes: Max Horn <max@quendi.de>
4
5			Feel free to customize this file to suit your needs
6			*/
7
8			#import "SDL.h"
9			#import "SDLMain.h"
10			#import <sys/param.h> /* for MAXPATHLEN */
11			#import <unistd.h>
12
13			/* For some reaon, Apple removed setAppleMenu from the headers in 10.4,
14			but the method still is there and works. To avoid warnings, we declare
15			it ourselves here. */
16			@interface NSApplication(SDL_Missing_Methods)
17			- (void)setAppleMenu:(NSMenu *)menu;
18			@end
19
20			/* Use this flag to determine whether we use SDLMain.nib or not */
21			#define SDL_USE_NIB_FILE 0
22
23			/* Use this flag to determine whether we use CPS (docking) or not */
24			#define SDL_USE_CPS 1
25			#ifdef SDL_USE_CPS
26			/* Portions of CPS.h */
27			typedef struct CPSProcessSerNum
28			{
29			UInt32 lo;
30			UInt32 hi;
31			} CPSProcessSerNum;
32
33			extern OSErr CPSGetCurrentProcess( CPSProcessSerNum *psn);
34			extern OSErr CPSEnableForegroundOperation( CPSProcessSerNum *psn, UInt32 _arg2, UInt32 _arg3, UInt32 _arg4, UInt32 _arg5);
35			extern OSErr CPSSetFrontProcess( CPSProcessSerNum *psn);
36
37			#endif /* SDL_USE_CPS */
38
39			static int gArgc;
40			static char **gArgv;
41			static BOOL gFinderLaunch;
42			static BOOL gCalledAppMainline = FALSE;
43
44			static NSString *getApplicationName(void)
45			{
46			NSDictionary *dict;
47			NSString *appName = 0;
48
49			/* Determine the application name */
50			dict = (NSDictionary *)CFBundleGetInfoDictionary(CFBundleGetMainBundle());
51			if (dict)
52			appName = [dict objectForKey: @"CFBundleName"];
53
54			if (![appName length])
55			appName = [[NSProcessInfo processInfo] processName];
56
57			return appName;
58			}
59
60			#if SDL_USE_NIB_FILE
61			/* A helper category for NSString */
62			@interface NSString (ReplaceSubString)
63			- (NSString )stringByReplacingRange:(NSRange)aRange with:(NSString )aString;
64			@end
65			#endif
66
67			@interface SDLApplication : NSApplication
68			@end
69
70			@implementation SDLApplication
71			/* Invoked from the Quit menu item */
72			- (void)terminate:(id)sender
73			{
74			/* Post a SDL_QUIT event */
75			SDL_Event event;
76			event.type = SDL_QUIT;
77			SDL_PushEvent(&event);
78			}
79			@end
80
81			/* The main class of the application, the application's delegate */
82			@implementation SDLMain
83
84			/* Set the working directory to the .app's parent directory */
85			- (void) setupWorkingDirectory:(BOOL)shouldChdir
86			{
87			if (shouldChdir)
88			{
89			char parentdir[MAXPATHLEN];
90			CFURLRef url = CFBundleCopyBundleURL(CFBundleGetMainBundle());
91			CFURLRef url2 = CFURLCreateCopyDeletingLastPathComponent(0, url);
92			if (CFURLGetFileSystemRepresentation(url2, true, (UInt8 *)parentdir, MAXPATHLEN)) {
93			assert ( chdir (parentdir) == 0 ); /* chdir to the binary app's parent */
94			}
95			CFRelease(url);
96			CFRelease(url2);
97			}
98
99			}
100
101			#if SDL_USE_NIB_FILE
102
103			/* Fix menu to contain the real app name instead of "SDL App" */
104			- (void)fixMenu:(NSMenu )aMenu withAppName:(NSString )appName
105			{
106			NSRange aRange;
107			NSEnumerator *enumerator;
108			NSMenuItem *menuItem;
109
110			aRange = [[aMenu title] rangeOfString:@"SDL App"];
111			if (aRange.length != 0)
112			[aMenu setTitle: [[aMenu title] stringByReplacingRange:aRange with:appName]];
113
114			enumerator = [[aMenu itemArray] objectEnumerator];
115			while ((menuItem = [enumerator nextObject]))
116			{
117			aRange = [[menuItem title] rangeOfString:@"SDL App"];
118			if (aRange.length != 0)
119			[menuItem setTitle: [[menuItem title] stringByReplacingRange:aRange with:appName]];
120			if ([menuItem hasSubmenu])
121			[self fixMenu:[menuItem submenu] withAppName:appName];
122			}
123			[ aMenu sizeToFit ];
124			}
125
126			#else
127
128			static void setApplicationMenu(void)
129			{
130			/* warning: this code is very odd */
131			NSMenu *appleMenu;
132			NSMenuItem *menuItem;
133			NSString *title;
134			NSString *appName;
135
136			appName = getApplicationName();
137			appleMenu = [[NSMenu alloc] initWithTitle:@""];
138
139			/* Add menu items */
140			title = [@"About " stringByAppendingString:appName];
141			[appleMenu addItemWithTitle:title action:@selector(orderFrontStandardAboutPanel:) keyEquivalent:@""];
142
143			[appleMenu addItem:[NSMenuItem separatorItem]];
144
145			title = [@"Hide " stringByAppendingString:appName];
146			[appleMenu addItemWithTitle:title action:@selector(hide:) keyEquivalent:@"h"];
147
148			menuItem = (NSMenuItem *)[appleMenu addItemWithTitle:@"Hide Others" action:@selector(hideOtherApplications:) keyEquivalent:@"h"];
149			[menuItem setKeyEquivalentModifierMask:(NSAlternateKeyMask\|NSCommandKeyMask)];
150
151			[appleMenu addItemWithTitle:@"Show All" action:@selector(unhideAllApplications:) keyEquivalent:@""];
152
153			[appleMenu addItem:[NSMenuItem separatorItem]];
154
155			title = [@"Quit " stringByAppendingString:appName];
156			[appleMenu addItemWithTitle:title action:@selector(terminate:) keyEquivalent:@"q"];
157
158
159			/* Put menu into the menubar */
160			menuItem = [[NSMenuItem alloc] initWithTitle:@"" action:nil keyEquivalent:@""];
161			[menuItem setSubmenu:appleMenu];
162			[[NSApp mainMenu] addItem:menuItem];
163
164			/* Tell the application object that this is now the application menu */
165			[NSApp setAppleMenu:appleMenu];
166
167			/* Finally give up our references to the objects */
168			[appleMenu release];
169			[menuItem release];
170			}
171
172			/* Create a window menu */
173			static void setupWindowMenu(void)
174			{
175			NSMenu *windowMenu;
176			NSMenuItem *windowMenuItem;
177			NSMenuItem *menuItem;
178
179			windowMenu = [[NSMenu alloc] initWithTitle:@"Window"];
180
181			/* "Minimize" item */
182			menuItem = [[NSMenuItem alloc] initWithTitle:@"Minimize" action:@selector(performMiniaturize:) keyEquivalent:@"m"];
183			[windowMenu addItem:menuItem];
184			[menuItem release];
185
186			/* Put menu into the menubar */
187			windowMenuItem = [[NSMenuItem alloc] initWithTitle:@"Window" action:nil keyEquivalent:@""];
188			[windowMenuItem setSubmenu:windowMenu];
189			[[NSApp mainMenu] addItem:windowMenuItem];
190
191			/* Tell the application object that this is now the window menu */
192			[NSApp setWindowsMenu:windowMenu];
193
194			/* Finally give up our references to the objects */
195			[windowMenu release];
196			[windowMenuItem release];
197			}
198
199			/* Replacement for NSApplicationMain */
200			static void CustomApplicationMain (int argc, char **argv)
201			{
202			NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
203			SDLMain *sdlMain;
204
205			/* Ensure the application object is initialised */
206			[SDLApplication sharedApplication];
207
208			#ifdef SDL_USE_CPS
209			{
210			CPSProcessSerNum PSN;
211			/* Tell the dock about us */
212			if (!CPSGetCurrentProcess(&PSN))
213			if (!CPSEnableForegroundOperation(&PSN,0x03,0x3C,0x2C,0x1103))
214			if (!CPSSetFrontProcess(&PSN))
215			[SDLApplication sharedApplication];
216			}
217			#endif /* SDL_USE_CPS */
218
219			/* Set up the menubar */
220			[NSApp setMainMenu:[[NSMenu alloc] init]];
221			setApplicationMenu();
222			setupWindowMenu();
223
224			/* Create SDLMain and make it the app delegate */
225			sdlMain = [[SDLMain alloc] init];
226			[NSApp setDelegate:sdlMain];
227
228			/* Start the main event loop */
229			[NSApp run];
230
231			[sdlMain release];
232			[pool release];
233			}
234
235			#endif
236
237
238			/*
239			* Catch document open requests...this lets us notice files when the app
240			* was launched by double-clicking a document, or when a document was
241			* dragged/dropped on the app's icon. You need to have a
242			* CFBundleDocumentsType section in your Info.plist to get this message,
243			* apparently.
244			*
245			* Files are added to gArgv, so to the app, they'll look like command line
246			* arguments. Previously, apps launched from the finder had nothing but
247			* an argv[0].
248			*
249			* This message may be received multiple times to open several docs on launch.
250			*
251			* This message is ignored once the app's mainline has been called.
252			*/
253			- (BOOL)application:(NSApplication )theApplication openFile:(NSString )filename
254			{
255			const char *temparg;
256			size_t arglen;
257			char *arg;
258			char **newargv;
259
260			if (!gFinderLaunch) /* MacOS is passing command line args. */
261			return FALSE;
262
263			if (gCalledAppMainline) /* app has started, ignore this document. */
264			return FALSE;
265
266			temparg = [filename UTF8String];
267			arglen = SDL_strlen(temparg) + 1;
268			arg = (char *) SDL_malloc(arglen);
269			if (arg == NULL)
270			return FALSE;
271
272			newargv = (char *) realloc(gArgv, sizeof (char ) * (gArgc + 2));
273			if (newargv == NULL)
274			{
275			SDL_free(arg);
276			return FALSE;
277			}
278			gArgv = newargv;
279
280			SDL_strlcpy(arg, temparg, arglen);
281			gArgv[gArgc++] = arg;
282			gArgv[gArgc] = NULL;
283			return TRUE;
284			}
285
286
287			/* Called when the internal event loop has just started running */
288			- (void) applicationDidFinishLaunching: (NSNotification *) note
289			{
290			int status;
291
292			/* Set the working directory to the .app's parent directory */
293			[self setupWorkingDirectory:gFinderLaunch];
294
295			#if SDL_USE_NIB_FILE
296			/* Set the main menu to contain the real app name instead of "SDL App" */
297			[self fixMenu:[NSApp mainMenu] withAppName:getApplicationName()];
298			#endif
299
300			/* Hand off to main application code */
301			gCalledAppMainline = TRUE;
302			status = SDL_main (gArgc, gArgv);
303
304			/* We're done, thank you for playing */
305			exit(status);
306			}
307			@end
308
309
310			@implementation NSString (ReplaceSubString)
311
312			- (NSString )stringByReplacingRange:(NSRange)aRange with:(NSString )aString
313			{
314			unsigned int bufferSize;
315			unsigned int selfLen = [self length];
316			unsigned int aStringLen = [aString length];
317			unichar *buffer;
318			NSRange localRange;
319			NSString *result;
320
321			bufferSize = selfLen + aStringLen - aRange.length;
322			buffer = NSAllocateMemoryPages(bufferSize*sizeof(unichar));
323
324			/* Get first part into buffer */
325			localRange.location = 0;
326			localRange.length = aRange.location;
327			[self getCharacters:buffer range:localRange];
328
329			/* Get middle part into buffer */
330			localRange.location = 0;
331			localRange.length = aStringLen;
332			[aString getCharacters:(buffer+aRange.location) range:localRange];
333
334			/* Get last part into buffer */
335			localRange.location = aRange.location + aRange.length;
336			localRange.length = selfLen - localRange.location;
337			[self getCharacters:(buffer+aRange.location+aStringLen) range:localRange];
338
339			/* Build output string */
340			result = [NSString stringWithCharacters:buffer length:bufferSize];
341
342			NSDeallocateMemoryPages(buffer, bufferSize);
343
344			return result;
345			}
346
347			@end
348
349	asvitkine	1.2	// This is used from video_sdl.cpp.
350			void NSAutoReleasePool_wrap(void (*fn)(void))
351			{
352			NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
353			fn();
354			[pool release];
355			}
356	asvitkine	1.1
357			#ifdef main
358			# undef main
359			#endif
360
361
362			/* Main entry point to executable - should not be SDL_main! */
363			int main (int argc, char **argv)
364			{
365			/* Copy the arguments into a global variable */
366			/* This is passed if we are launched by double-clicking */
367			if ( argc >= 2 && strncmp (argv[1], "-psn", 4) == 0 ) {
368			gArgv = (char *) SDL_malloc(sizeof (char ) * 2);
369			gArgv[0] = argv[0];
370			gArgv[1] = NULL;
371			gArgc = 1;
372			gFinderLaunch = YES;
373			} else {
374			int i;
375			gArgc = argc;
376			gArgv = (char *) SDL_malloc(sizeof (char ) * (argc+1));
377			for (i = 0; i <= argc; i++)
378			gArgv[i] = argv[i];
379			gFinderLaunch = NO;
380			}
381
382			#if SDL_USE_NIB_FILE
383			[SDLApplication poseAsClass:[NSApplication class]];
384			NSApplicationMain (argc, argv);
385			#else
386			CustomApplicationMain (argc, argv);
387			#endif
388			return 0;
389			}
390