CFReadStreamCreateWithFile(_:_:)
Creates a readable stream for a file.
Declaration
func CFReadStreamCreateWithFile(_ alloc: CFAllocator!, _ fileURL: CFURL!) -> CFReadStream!Parameters
- alloc:
The allocator to use to allocate memory for the new object. Pass
NULLor kCFAllocatorDefault to use the current default allocator. - fileURL:
The URL of the file to read. The URL must use the file scheme.
Return Value
The new readable stream object, or NULL on failure. Ownership follows the The Create Rule.
Discussion
You must open the stream, using CFReadStreamOpen(_:), before reading from it.