Re: Bug in libobjc2 gc_none free

[Justin Hibbits]

I was working on my own Foundation implementation, which I do use  
class_createInstance()/object_dispose() (it's there, why not use it?).

- Justin

On Jul 31, 2011, at 12:33 PM, David Chisnall wrote:

> Thanks.  This should be fixed in r33665.
>
> Out of interest, what were you running that triggered that bug?   
> It's only visible with code using class_createInstance() /  
> object_dispose(), and I've not seen any code that actually uses  
> those two functions.
>
> David
>
> On 29 Jul 2011, at 04:17, Justin Hibbits wrote:
>
> > The gc_none.c free() is simply libc's free(), but gc- 
> > >allocate_class() returns ((id)ptr + 1).  This mismatch causes  
> > segfaults on FreeBSD.  Attached is a patch that fixes this, but  
> > only for this one scenario.  A better patch is needed for real.
> >
> > - Justin
> > <fix_free_nogc.diff>
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>
> -- Sent from my STANTEC-ZEBRA