index 727ae30e9eb973b2bd4a512be78041fee40fa039..40ccf5a1e95f62d840a006274f7024fa43208b1c 100644 (file)
--- a/delta.h
+++ b/delta.h
/*
* free_delta_index: free the index created by create_delta_index()
+ *
+ * Given pointer must be what create_delta_index() returned, or NULL.
*/
extern void free_delta_index(struct delta_index *index);
+/*
+ * sizeof_delta_index: returns memory usage of delta index
+ *
+ * Given pointer must be what create_delta_index() returned, or NULL.
+ */
+extern unsigned long sizeof_delta_index(struct delta_index *index);
+
/*
* create_delta: create a delta from given index for the given buffer
*