fn <Rav1dUserData as From<Dav1dUserData>>::from: Add // SAFETY co…

…mment for `CArc::from_raw`.
memorysafety · Jul 16, 2024 · 3292eb3 · 3292eb3
1 parent 570e65f
commit 3292eb3
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/include/dav1d/common.rs b/include/dav1d/common.rs
@@ -14,7 +14,10 @@ pub(crate) type Rav1dUserData = Option<CArc<u8>>;
 impl From<Dav1dUserData> for Rav1dUserData {
     fn from(value: Dav1dUserData) -> Self {
         let Dav1dUserData { data: _, r#ref } = value;
-        r#ref.map(|r#ref| unsafe { CArc::from_raw(r#ref) })
+        r#ref.map(|r#ref| {
+            // SAFETY: `r#ref` came from `CArc::into_raw`.
+            unsafe { CArc::from_raw(r#ref) }
+        })
     }
 }