list-objects-filter: mark unused parameters in virtual functions

The "struct filter" abstract type defines several virtual function
pointers. Not all of the concrete functions need every parameter, but
they have to conform to the generic interface. Mark unused ones to
silence -Wunused-parameter.

Signed-off-by: Jeff King <[email protected]>
Signed-off-by: Junio C Hamano <[email protected]>

Author: peff

list-objects-filter.c

@@ -70,13 +70,13 @@ struct filter {
 };
 
 static enum list_objects_filter_result filter_blobs_none(
-	struct repository *r,
+	struct repository *r UNUSED,
 	enum list_objects_filter_situation filter_situation,
 	struct object *obj,
-	const char *pathname,
-	const char *filename,
+	const char *pathname UNUSED,
+	const char *filename UNUSED,
 	struct oidset *omits,
-	void *filter_data_)
+	void *filter_data_ UNUSED)
 {
 	switch (filter_situation) {
 	default:
@@ -112,7 +112,7 @@ static enum list_objects_filter_result filter_blobs_none(
 }
 
 static void filter_blobs_none__init(
-	struct list_objects_filter_options *filter_options,
+	struct list_objects_filter_options *filter_options UNUSED,
 	struct filter *filter)
 {
 	filter->filter_object_fn = filter_blobs_none;
@@ -159,11 +159,11 @@ static int filter_trees_update_omits(
 }
 
 static enum list_objects_filter_result filter_trees_depth(
-	struct repository *r,
+	struct repository *r UNUSED,
 	enum list_objects_filter_situation filter_situation,
 	struct object *obj,
-	const char *pathname,
-	const char *filename,
+	const char *pathname UNUSED,
+	const char *filename UNUSED,
 	struct oidset *omits,
 	void *filter_data_)
 {
@@ -274,8 +274,8 @@ static enum list_objects_filter_result filter_blobs_limit(
 	struct repository *r,
 	enum list_objects_filter_situation filter_situation,
 	struct object *obj,
-	const char *pathname,
-	const char *filename,
+	const char *pathname UNUSED,
+	const char *filename UNUSED,
 	struct oidset *omits,
 	void *filter_data_)
 {
@@ -554,12 +554,12 @@ struct filter_object_type_data {
 };
 
 static enum list_objects_filter_result filter_object_type(
-	struct repository *r,
+	struct repository *r UNUSED,
 	enum list_objects_filter_situation filter_situation,
 	struct object *obj,
-	const char *pathname,
-	const char *filename,
-	struct oidset *omits,
+	const char *pathname UNUSED,
+	const char *filename UNUSED,
+	struct oidset *omits UNUSED,
 	void *filter_data_)
 {
 	struct filter_object_type_data *filter_data = filter_data_;
@@ -675,7 +675,7 @@ static enum list_objects_filter_result filter_combine(
 	struct object *obj,
 	const char *pathname,
 	const char *filename,
-	struct oidset *omits,
+	struct oidset *omits UNUSED,
 	void *filter_data)
 {
 	struct combine_filter_data *d = filter_data;