ObjFW  Diff

		extraAlignment = OFRoundUpToPowerOf2(extraAlignment,
		    PRE_IVARS_ALIGN + instanceSize) -
		    PRE_IVARS_ALIGN - instanceSize;

#if defined(OF_WINDOWS)
	instance = __mingw_aligned_malloc(PRE_IVARS_ALIGN + instanceSize +
	    extraAlignment + extraSize, OF_BIGGEST_ALIGNMENT);
	memset(instance, 0, PRE_IVARS_ALIGN + instanceSize + extraAlignment +
	    extraSize);
#elif defined(OF_MSDOS)
	instance = alignedAlloc(PRE_IVARS_ALIGN + instanceSize +
	    extraAlignment + extraSize, OF_BIGGEST_ALIGNMENT, &offset);
#elif defined(OF_SOLARIS)
	if (posix_memalign((void **)&instance, OF_BIGGEST_ALIGNMENT,
	memset(instance, 0, PRE_IVARS_ALIGN + instanceSize + extraAlignment +
	    PRE_IVARS_ALIGN + instanceSize + extraAlignment + extraSize) != 0)
	    extraSize);
		instance = NULL;
#else
	instance = calloc(1, PRE_IVARS_ALIGN + instanceSize +
	instance = malloc(PRE_IVARS_ALIGN + instanceSize +
	    extraAlignment + extraSize);
#endif

	if OF_UNLIKELY (instance == nil) {
		object_setClass((id)&allocFailedException,
		    [OFAllocFailedException class]);
		@throw (id)&allocFailedException;

# endif
		@throw [OFInitializationFailedException
		    exceptionWithClass: class];
	}
#endif

	instance = (OFObject *)(void *)((char *)instance + PRE_IVARS_ALIGN);

	memset(instance, 0, instanceSize + extraAlignment + extraSize);

	if (!objc_constructInstance(class, instance)) {
#if !defined(OF_HAVE_ATOMIC_OPS) && !defined(OF_AMIGAOS)
		OFSpinlockFree(&((struct PreIvars *)(void *)
		    ((char *)instance - PRE_IVARS_ALIGN))->retainCountSpinlock);
#endif
#if defined(OF_WINDOWS)