@@ -302,7 +302,7 @@ impl MemoryManager {
     /// pointer to the last address in the pointer that's accessible. Useful for
     /// accessing string data of unknown size. The data is copied to a local
     /// buffer if the memory isn't mapped into Shadow.
-    #[deprecated(note = "This now always copies the data. Do so explicitly instead.")]
+    #[deprecated(note = "This now always copies the data. Consider `read_prefix` instead")]
     pub fn memory_ref_prefix<T: Pod>(
         &self,
         ptr: ForeignArrayPtr<T>,
@@ -312,6 +312,13 @@ impl MemoryManager {
         }))
     }
 
+    /// Copy data from the beginning of the given
+    /// pointer to the last address in the pointer that's accessible. Useful for
+    /// accessing string data of unknown size.
+    pub fn read_prefix<T: Pod>(&self, ptr: ForeignArrayPtr<T>) -> Result<Vec<T>, Errno> {
+        unsafe { self.memory_copier.clone_mem_prefix(ptr) }
+    }
+
     /// Creates a std::io::Read accessor for the specified plugin memory. Useful
     /// for handing off the ability to read process memory to non-Shadow APIs,
     /// without copying it to local memory first.