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Author: molpopgen

src/_macros.rs

@@ -68,13 +68,20 @@ macro_rules! handle_metadata_return {
 macro_rules! raw_metadata_getter_for_tables {
     ($idtype: ty) => {
         fn raw_metadata<I: Into<$idtype>>(&self, row: I) -> Option<&[u8]> {
-            $crate::sys::tsk_ragged_column_access::<'_, u8, $idtype, _, _>(
-                row.into(),
-                self.as_ref().metadata,
-                self.num_rows(),
-                self.as_ref().metadata_offset,
-                self.as_ref().metadata_length,
-            )
+            assert!(
+                (self.num_rows() != 0 && self.as_ref().metadata_length != 0)
+                    || (!self.as_ref().metadata.is_null()
+                        && !self.as_ref().metadata_offset.is_null())
+            );
+            unsafe {
+                $crate::sys::tsk_ragged_column_access::<'_, u8, $idtype, _, _>(
+                    row.into(),
+                    self.as_ref().metadata,
+                    self.num_rows(),
+                    self.as_ref().metadata_offset,
+                    self.as_ref().metadata_length,
+                )
+            }
         }
     };
 }