On Friday, July 29, 2011 15:00 CEST, David Chisnall <[email protected]> wrote:
> On 29 Jul 2011, at 13:51, Sebastian Reitenbach wrote:
>
> > I found this documentation here:
> > http://developer.apple.com/library/mac/#documentation/Cocoa/Reference/Foundation/Classes/NSData_Class/Reference/Reference.html
> > Initializes a newly allocated data object by adding to it length bytes of
> > data from the buffer bytes.
> >
> > but it doesn't state that a subclass should implement it???
> >
> > SkyDecodeWrapperData is a subclass of NSData, so I should implement that
> > method there?
>
> I think this is a GNUstep bug. The default implementation o
> initWithBytesNoCopy:length:freeWhenDone: should probably be releasing self
> and returning a new instance of the class that does support this initialiser
> (as happens in the placeholder data class).
I looked at libFoundation SVN, there I found the following:
- (id)initWithBytesNoCopy:(void *)_bytes length:(unsigned)_length
freeWhenDone:(BOOL)_freeMemory
{
// new in OSX 10.2
// TODO: inefficient for freemem==NO case
return (_freeMemory)
? [self initWithBytesNoCopy:_bytes length:_length]
: [self initWithBytes:_bytes length:_length];
}
Sebastian
>
> David
>
> -- Sent from my STANTEC-ZEBRA
>
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