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>

1 files changed, 8 insertions, 4 deletions

diff --git a/shallow.c b/shallow.c
index 8cb768ee5f..71ab04f935 100644
--- a/shallow.c
+++ b/shallow.c
@@ -604,8 +604,10 @@ static void paint_down(struct paint_info *info, const struct object_id *oid,
 	free(tmp);
 }
 
-static int mark_uninteresting(const char *refname, const struct object_id *oid,
-			      int flags, void *cb_data)
+static int mark_uninteresting(const char *UNUSED(refname),
+			      const struct object_id *oid,
+			      int UNUSED(flags),
+			      void *UNUSED(cb_data))
 {
 	struct commit *commit = lookup_commit_reference_gently(the_repository,
 							       oid, 1);
@@ -715,8 +717,10 @@ struct commit_array {
 	int nr, alloc;
 };
 
-static int add_ref(const char *refname, const struct object_id *oid,
-		   int flags, void *cb_data)
+static int add_ref(const char *UNUSED(refname),
+		   const struct object_id *oid,
+		   int UNUSED(flags),
+		   void *cb_data)
 {
 	struct commit_array *ca = cb_data;
 	ALLOC_GROW(ca->commits, ca->nr + 1, ca->alloc);