Hi all,
I am building using macfuse to create a filesystem that displays bt-
devices as folder. Here's my header:
@interface HelloFuseFileSystem : FUSEFileSystem{
BlueLister * lister;
BOOL hasFoundDevices;
NSDictionary * myDevices;
}
- (HelloFuseFileSystem *) init;
- (void) foundDeviceDictionary;
- (void) printDeviceDictionary;
- (NSArray *) rootContents;
- (IBAction) findDevices:(id) sender;
@end
As you can tell, I am building it on top of the HelloFuse example from
Google.
However, I am having some trouble with the myDevices-variable. I am
setting it to a default value in my init (for testing purposes) like
so:
- (HelloFuseFileSystem *) init {
self = [super init];
// set defaults
hasFoundDevices = NO;
NSArray * addresses = [NSArray
arrayWithObjects:@"00-00-00-11-00",
@"aa-ee-aa-ff-aa", nil];
NSArray * names = [NSArray arrayWithObjects:@"Device
1", @"Device
2", nil];
myDevices = [NSDictionary dictionaryWithObjects:addresses
forKeys:names];
[self printDeviceDictionary];
return self;
}
As you can see, I'm also printing its contents using my
printDeviceDictionary. So far everthing works exellent. In my
implementation of contentsOfDirectoryAtPath, I start out by printing
the device dictionary again. This time, the debugger comes up, saying
0x90a59380 <+0016> mov 0x20(%eax),%eax
I have been able to pinpoint the issue to the exact row in
printDeviceDictionary where I'm trying to access myDevices, but I
don't understand the error. I'm on Mac OS X 10.4.11 using XCode 2.5
- (void) printDeviceDictionary {
NSLog(@"Printing device dictionary\n");
id key;
NSEnumerator * enumerator = [myDevices keyEnumerator];
NSLog(@"Printing device dictionary 2\n");
while ((key = [enumerator nextObject])) {
NSLog(@"%@ : %@", key, [myDevices objectForKey:key]);
}
NSLog(@"Done.\n");
}
Does anyone have any ideas on why my supposedly global variable
myDevices "disappears"?
Best
Daniel
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