systemctl: do not print header if no units will be listed

"0 units listed." is still printed.

diff --git a/src/systemctl/systemctl.c b/src/systemctl/systemctl.c
index 75248c83b302fa4834cc912f2dc57acaf40567f5..639080bc66328da6e140f274bdda1fd2a76db749 100644 (file)
--- a/src/systemctl/systemctl.c
+++ b/src/systemctl/systemctl.c
@@ -1355,7 +1355,7 @@ static void output_unit_file_list(const UnitFileList *units, unsigned c) {
         } else
                 id_cols = max_id_len;
 
-        if (!arg_no_legend)
+        if (!arg_no_legend && c > 0)
                 printf("%-*s %-*s\n",
                        id_cols, "UNIT FILE",
                        state_cols, "STATE");