RE: UUID method Garbage Collection safe?
RE: UUID method Garbage Collection safe?
- Subject: RE: UUID method Garbage Collection safe?
- From: Squ Aire <email@hidden>
- Date: Wed, 22 Jul 2009 19:42:02 +0000
- Importance: Normal
Yes I was aware of this method. However, according to the docs it only guarantees uniqueness for a given process, and doesn't guarantee it will be "globally" unique, if you know what I mean. Thanks for the suggestion though.
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> Subject: Re: UUID method Garbage Collection safe?
> From: email@hidden
> Date: Wed, 22 Jul 2009 18:26:40 +0100
> CC: email@hidden; email@hidden
> To: email@hidden
>
> Or just use [[NSProcessInfo processInfo] globallyUniqueString]
>
> Keith
>
> On 22 Jul 2009, at 17:53, Julien Jalon wrote:
>
>> Correct code is:
>> + (NSString *)stringWithUUID{ CFUUIDRef uuidObj = CFUUIDCreate(nil);
>> NSString *uuidString =
>> (NSString*)NSMakeCollectable(CFUUIDCreateString(nil,uuidObj));
>> CFRelease(uuidObj); return [uuidString autorelease];}
>>
>> Or you will leak in GC.
>>
>> --
>> Julien
>>
>> On Wed, Jul 22, 2009 at 6:45 PM, Squ Aire wrote:
>>
>>>
>>> I've been using this method to make UUID strings:
>>>
>>> + (NSString *)stringWithUUID{ CFUUIDRef uuidObj = CFUUIDCreate(nil);
>>> NSString *uuidString = (NSString*)CFUUIDCreateString(nil,uuidObj);
>>> CFRelease(uuidObj); return [uuidString autorelease];}
>>>
>>> How do you all like it? Is it ok? It's based on some code I Googled
>>> a while
>>> back. In particular, is this code perfectly garbage collection safe?
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