Replace most uses of pointer::offset with add and sub

rust-lang-ci · Aug 20, 2022 · bd1ab72 · bd1ab72
1 parent 1cde1a3
commit bd1ab72
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/example/alloc_system.rs b/example/alloc_system.rs
@@ -94,7 +94,7 @@ mod platform {
     struct Header(*mut u8);
     const HEAP_ZERO_MEMORY: DWORD = 0x00000008;
     unsafe fn get_header<'a>(ptr: *mut u8) -> &'a mut Header {
-        &mut *(ptr as *mut Header).offset(-1)
+        &mut *(ptr as *mut Header).sub(1)
     }
     unsafe fn align_ptr(ptr: *mut u8, align: usize) -> *mut u8 {
         let aligned = ptr.add(align - (ptr as usize & (align - 1)));