sgx: avoid unnecessarily creating a slice

RalfJung · RalfJung · commit dfdc9898029d · 2025-11-19T22:14:46.000+01:00
diff --git a/library/std/src/sys/pal/sgx/abi/usercalls/alloc.rs b/library/std/src/sys/pal/sgx/abi/usercalls/alloc.rs
@@ -158,8 +158,7 @@ unsafe impl<T: UserSafeSized> UserSafe for [T] {
         let elem_size = size_of::<T>();
         assert_eq!(size % elem_size, 0);
         let len = size / elem_size;
-        // SAFETY: The caller must uphold the safety contract for `from_raw_sized_unchecked`
-        unsafe { slice::from_raw_parts_mut(ptr as _, len) }
+        ptr::slice_from_raw_parts_mut(ptr as _, len)
     }
 }
 

Original file line number	Diff line number	Diff line change
`@@ -158,8 +158,7 @@ unsafe impl<T: UserSafeSized> UserSafe for [T] {`
`158`	`158`	`let elem_size = size_of::<T>();`
`159`	`159`	`assert_eq!(size % elem_size, 0);`
`160`	`160`	`let len = size / elem_size;`
`161`		- // SAFETY: The caller must uphold the safety contract for `from_raw_sized_unchecked`
`162`		`- unsafe { slice::from_raw_parts_mut(ptr as _, len) }`
	`161`	`+ ptr::slice_from_raw_parts_mut(ptr as _, len)`
`163`	`162`	`}`
`164`	`163`	`}`
`165`	`164`