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/builtin/show-ref.c b/builtin/show-ref.c
index 5fa207a..9746537 100644
--- a/builtin/show-ref.c
+++ b/builtin/show-ref.c
@@ -47,7 +47,7 @@ static void show_one(const char *refname, const struct object_id *oid)
}
static int show_ref(const char *refname, const struct object_id *oid,
- int flag, void *cbdata)
+ int UNUSED(flag), void *UNUSED(cbdata))
{
if (show_head && !strcmp(refname, "HEAD"))
goto match;
@@ -77,8 +77,9 @@ static int show_ref(const char *refname, const struct object_id *oid,
return 0;
}
-static int add_existing(const char *refname, const struct object_id *oid,
- int flag, void *cbdata)
+static int add_existing(const char *refname,
+ const struct object_id *UNUSED(oid),
+ int UNUSED(flag), void *cbdata)
{
struct string_list *list = (struct string_list *)cbdata;
string_list_insert(list, refname);