refs: mark unused each_ref_fn parameters
Functions used with for_each_ref(), etc, need to conform to the
each_ref_fn interface. But most of them don't need every parameter;
let's annotate the unused ones to quiet -Wunused-parameter.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/refs/files-backend.c b/refs/files-backend.c
index 8db7882..972701c 100644
--- a/refs/files-backend.c
+++ b/refs/files-backend.c
@@ -2995,7 +2995,9 @@ static int files_transaction_abort(struct ref_store *ref_store,
}
static int ref_present(const char *refname,
- const struct object_id *oid, int flags, void *cb_data)
+ const struct object_id *UNUSED(oid),
+ int UNUSED(flags),
+ void *cb_data)
{
struct string_list *affected_refnames = cb_data;
