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@torsten
Created March 30, 2009 10:06
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Prove: [release] doesn't set a variable to nil
// gcc not_nil.m -lObjC -framework Foundation && ./a.out
#include <stdio.h>
#include <stdarg.h>
#include <Cocoa/Cocoa.h>
@interface FooClass : NSObject
{
}
@end
@implementation FooClass
- (id)init
{
if((self = [super init]))
{
printf("init, I am at 0x%x\n", self);
}
return self;
}
- (void)dealloc
{
printf("dealloc\n");
[super dealloc];
}
@end
int main (int argc, char const *argv[])
{
FooClass *obj;
printf("0x%x // random value\n", obj);
obj = [[FooClass alloc] init];
printf("0x%x // addr of the obj\n", obj);
[obj release];
printf("0x%x // still the same addr and not 0x%x (nil) "
"because you did not touch the value of obj, "
"you just called a method on it\n",
obj, nil);
return 0;
}
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