fix: not nightly, not allocator-api2 path

rust-lang · May 4, 2024 · 602a381 · 602a381
1 parent e93a371
commit 602a381
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/src/raw/alloc.rs b/src/raw/alloc.rs
@@ -55,7 +55,10 @@ mod inner {
     unsafe impl Allocator for Global {
         #[inline]
         fn allocate(&self, layout: Layout) -> Result<NonNull<[u8]>, ()> {
-            unsafe { NonNull::new(alloc(layout)).ok_or(()) }
+            match unsafe { NonNull::new(alloc(layout)) } {
+                Some(ptr) => Ok(NonNull::slice_from_raw_parts(ptr, layout.size())),
+                None => Err(()),
+            }
         }
         #[inline]
         unsafe fn deallocate(&self, ptr: NonNull<u8>, layout: Layout) {