util-lib: introduce new empty_or_root() helper (#8746)

We check the same condition at various places. Let's add a trivial,
common helper for this, and use it everywhere.

It's not going to make things much faster or much shorter, but I think a
lot more readable

1 files changed, 1 insertions, 1 deletions

diff --git a/src/cgtop/cgtop.c b/src/cgtop/cgtop.c
index 7fe812d0ff..de5083bdde 100644
--- a/src/cgtop/cgtop.c
+++ b/src/cgtop/cgtop.c
@@ -134,7 +134,7 @@ static bool is_root_cgroup(const char *path) {
         if (detect_container() > 0)
                 return false;
 
-        return isempty(path) || path_equal(path, "/");
+        return empty_or_root(path);
 }
 
 static int process(