If I compile and run the following code, the ivars in the parent and
child classes are released.
For some reason I was thinking that the subclass' dealloc wouldn't be
called. Since it is called, we don't have to do anything if super
returns nil...right? I'm fully confused now.
#import <Foundation/Foundation.h>
@interface Parent : NSObject
{
NSString *_parentName;
}
@end
@interface Child : Parent
{
NSString *_string;
}
@end
@implementation Parent
- (id)init
{
_parentName = [@"parentName" copy];
self = [super init];
if (self) {
[self release];
self = nil;
}
return self;
}
- (void)dealloc
{
NSLog(@"dealloc parent %@, release _parentName %@", self,
_parentName);
[_parentName release];
[super dealloc];
}
@end
@implementation Child
- (id)init
{
_string = [@"test" copy];
unsigned ptr = (unsigned)self;
self = [super init];
if (nil == self) {
NSLog(@"super init failed for 0x%x", ptr);
}
return self;
}
- (void)dealloc
{
NSLog(@"dealloc child %@, releasing _string %@", self, _string);
[_string release];
[super dealloc];
}
@end
int main (int argc, char const *argv[])
{
NSAutoreleasePool *pool = [NSAutoreleasePool new];
Child *c = [Child new];
[pool release];
return 0;
}
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