1 files changed, 2 insertions, 3 deletions
diff --git a/src/basic/bitmap.h b/src/basic/bitmap.h
index f5f8f2f018..63fdbe8bea 100644
--- a/src/basic/bitmap.h
+++ b/src/basic/bitmap.h
@@ -27,10 +27,9 @@
 typedef struct Bitmap Bitmap;
 
 Bitmap *bitmap_new(void);
-
-void bitmap_free(Bitmap *b);
-
+Bitmap *bitmap_copy(Bitmap *b);
 int bitmap_ensure_allocated(Bitmap **b);
+void bitmap_free(Bitmap *b);
 
 int bitmap_set(Bitmap *b, unsigned n);
 void bitmap_unset(Bitmap *b, unsigned n);