free_buffer_overlays: Move nearer to its sole caller

* src/buffer.c (free_buffer_overlays): Move from `buffer.h`.
* src/buffer.h (free_buffer_overlays): Move to `buffer.c`.

* src/itree.c (interval_tree_iter_narrow, interval_tree_iter_finish)
(interval_tree_iter_next): Prefer `eassert`.

1 files changed, 0 insertions, 14 deletions

diff --git a/src/buffer.h b/src/buffer.h
index 097283be671..447be06594c 100644
--- a/src/buffer.h
+++ b/src/buffer.h
@@ -1424,20 +1424,6 @@ maybe_alloc_buffer_overlays (struct buffer *b)
     b->overlays = interval_tree_create ();
 }
 
-/* FIXME: Actually this does not free any overlay, but the tree
-   only. --ap */
-
-INLINE void
-free_buffer_overlays (struct buffer *b)
-{
-  eassert (! b->overlays || 0 == interval_tree_size (b->overlays));
-  if (b->overlays)
-    {
-      interval_tree_destroy (b->overlays);
-      b->overlays = NULL;
-    }
-}
-
 INLINE void
 add_buffer_overlay (struct buffer *b, struct Lisp_Overlay *ov)
 {