-int sd_get_machine_names(char ***machines) {
- _cleanup_closedir_ DIR *d = NULL;
- _cleanup_strv_free_ char **l = NULL;
- _cleanup_free_ char *md = NULL;
- char *n;
- int c = 0, r;
-
- r = cg_get_machine_path(&md);
- if (r < 0)
- return r;
-
- r = cg_enumerate_subgroups(SYSTEMD_CGROUP_CONTROLLER, md, &d);
- if (r < 0)
- return r;
-
- while ((r = cg_read_subgroup(d, &n)) > 0) {
-
- r = strv_push(&l, n);
- if (r < 0) {
- free(n);
- return -ENOMEM;
- }
-
- c++;
- }
-
- if (r < 0)
- return r;
-
- if (machines) {
- *machines = l;
- l = NULL;
- }
-
- return c;
+_public_ int sd_get_machine_names(char ***machines) {
+ return get_files_in_directory("/run/systemd/machines/", machines);