tree-wide: remove various unused functions

All found with "cppcheck --enable=unusedFunction".

src/shared/bus-util.c

@@ -1237,44 +1237,6 @@ int bus_message_map_all_properties(
         return sd_bus_message_exit_container(m);
 }
 
-int bus_message_map_properties_changed(
-                sd_bus_message *m,
-                const struct bus_properties_map *map,
-                unsigned flags,
-                sd_bus_error *error,
-                void *userdata) {
-
-        const char *member;
-        int r, invalidated, i;
-
-        assert(m);
-        assert(map);
-
-        r = bus_message_map_all_properties(m, map, flags, error, userdata);
-        if (r < 0)
-                return r;
-
-        r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "s");
-        if (r < 0)
-                return r;
-
-        invalidated = 0;
-        while ((r = sd_bus_message_read_basic(m, SD_BUS_TYPE_STRING, &member)) > 0)
-                for (i = 0; map[i].member; i++)
-                        if (streq(map[i].member, member)) {
-                                ++invalidated;
-                                break;
-                        }
-        if (r < 0)
-                return r;
-
-        r = sd_bus_message_exit_container(m);
-        if (r < 0)
-                return r;
-
-        return invalidated;
-}
-
 int bus_map_all_properties(
                 sd_bus *bus,
                 const char *destination,

src/shared/bus-util.h

@@ -38,7 +38,6 @@ enum {
 int bus_map_id128(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata);
 
 int bus_message_map_all_properties(sd_bus_message *m, const struct bus_properties_map *map, unsigned flags, sd_bus_error *error, void *userdata);
-int bus_message_map_properties_changed(sd_bus_message *m, const struct bus_properties_map *map, unsigned flags, sd_bus_error *error, void *userdata);
 int bus_map_all_properties(sd_bus *bus, const char *destination, const char *path, const struct bus_properties_map *map,
                            unsigned flags, sd_bus_error *error, sd_bus_message **reply, void *userdata);
 

src/shared/cgroup-show.c

@@ -277,26 +277,6 @@ int show_cgroup_and_extra(
         return show_extra_pids(controller, path, prefix, n_columns, extra_pids, n_extra_pids, flags);
 }
 
-int show_cgroup_and_extra_by_spec(
-                const char *spec,
-                const char *prefix,
-                unsigned n_columns,
-                const pid_t extra_pids[],
-                unsigned n_extra_pids,
-                OutputFlags flags) {
-
-        _cleanup_free_ char *controller = NULL, *path = NULL;
-        int r;
-
-        assert(spec);
-
-        r = cg_split_spec(spec, &controller, &path);
-        if (r < 0)
-                return r;
-
-        return show_cgroup_and_extra(controller, path, prefix, n_columns, extra_pids, n_extra_pids, flags);
-}
-
 int show_cgroup_get_unit_path_and_warn(
                 sd_bus *bus,
                 const char *unit,

src/shared/cgroup-show.h

@@ -12,7 +12,6 @@
 int show_cgroup_by_path(const char *path, const char *prefix, unsigned columns, OutputFlags flags);
 int show_cgroup(const char *controller, const char *path, const char *prefix, unsigned columns, OutputFlags flags);
 
-int show_cgroup_and_extra_by_spec(const char *spec, const char *prefix, unsigned n_columns, const pid_t extra_pids[], unsigned n_extra_pids, OutputFlags flags);
 int show_cgroup_and_extra(const char *controller, const char *path, const char *prefix, unsigned n_columns, const pid_t extra_pids[], unsigned n_extra_pids, OutputFlags flags);
 
 int show_cgroup_get_unit_path_and_warn(

src/shared/socket-protocol-list.c

@@ -34,7 +34,3 @@ int socket_protocol_from_name(const char *name) {
 
         return sc->id;
 }
-
-int socket_protocol_max(void) {
-        return ELEMENTSOF(socket_protocol_names);
-}

src/shared/socket-protocol-list.h

@@ -3,5 +3,3 @@
 
 const char *socket_protocol_to_name(int id);
 int socket_protocol_from_name(const char *name);
-
-int socket_protocol_max(void);