+
+int conf_files_cat(const char *name) {
+ _cleanup_strv_free_ char **dirs = NULL, **files = NULL;
+ const char *dir;
+ char **t;
+ int r;
+
+ NULSTR_FOREACH(dir, CONF_PATHS_NULSTR("")) {
+ assert(endswith(dir, "/"));
+ r = strv_extendf(&dirs, "%s%s.d", dir, name);
+ if (r < 0)
+ return log_error("Failed to build directory list: %m");
+ }
+
+ r = conf_files_list_strv(&files, ".conf", NULL, 0, (const char* const*) dirs);
+ if (r < 0)
+ return log_error_errno(r, "Failed to query file list: %m");
+
+ name = strjoina("/etc/", name);
+
+ if (DEBUG_LOGGING) {
+ log_debug("Looking for configuration in:");
+ log_debug(" %s", name);
+ STRV_FOREACH(t, dirs)
+ log_debug(" %s/*.conf", *t);
+ }
+
+ /* show */
+ return cat_files(name, files, CAT_FLAGS_MAIN_FILE_OPTIONAL);
+}