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Re: How to create a GUID?
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Re: How to create a GUID?


  • Subject: Re: How to create a GUID?
  • From: "Finlay Dobbie" <email@hidden>
  • Date: Sun, 7 Sep 2008 00:06:00 +0100

On Sat, Sep 6, 2008 at 10:55 PM, I. Savant <email@hidden> wrote:
>  At the bottom of the page, there's this:
>
> - (NSString *)uuid
> {
>        CFUUIDRef uuidRef = CFUUIDCreate(NULL);
>        CFStringRef uuidStringRef = CFUUIDCreateString(NULL, uuidRef);
>        CFRelease(uuidRef);
>        NSString *uuid = [NSString stringWithString:(NSString *)
> uuidStringRef];
>        CFRelease(uuidStringRef);
>        return uuid;
> }

Why the unnecessary copy?

- (NSString *)uuid
{
       CFUUIDRef uuidRef = CFUUIDCreate(NULL);
       CFStringRef uuidStringRef = CFUUIDCreateString(NULL, uuidRef);
       CFRelease(uuidRef);
       return [(NSString *)uuidStringRef autorelease];
}

 -- Finlay
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  • Follow-Ups:
    • Re: How to create a GUID?
      • From: "I. Savant" <email@hidden>
References: 
 >How to create a GUID? (From: Meik Schuetz <email@hidden>)
 >Re: How to create a GUID? (From: "I. Savant" <email@hidden>)

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