This allocator does nothing—it allocates no memory.
- iOS 2.0+
- macOS 10.0+
- Mac Catalyst 13.0+Beta
- tvOS 9.0+
- watchOS 2.0+
This allocator is useful as the
bytesDeallocator in CFData or
contentsDeallocator in CFString where the memory should not be freed.
This documentation contains preliminary information about an API or technology in development. This information is subject to change, and software implemented according to this documentation should be tested with final operating system software.Learn more about using Apple's beta software