| use crate::alloc::{GlobalAlloc, Layout, System}; |
| use crate::ptr::null_mut; |
| |
| #[stable(feature = "alloc_system_type", since = "1.28.0")] |
| unsafe impl GlobalAlloc for System { |
| #[inline] |
| unsafe fn alloc(&self, _layout: Layout) -> *mut u8 { |
| null_mut() |
| } |
| |
| #[inline] |
| unsafe fn alloc_zeroed(&self, _layout: Layout) -> *mut u8 { |
| null_mut() |
| } |
| |
| #[inline] |
| unsafe fn dealloc(&self, _ptr: *mut u8, _layout: Layout) {} |
| |
| #[inline] |
| unsafe fn realloc(&self, _ptr: *mut u8, _layout: Layout, _new_size: usize) -> *mut u8 { |
| null_mut() |
| } |
| } |