From 3b187f482653da01f59a9f37344d20ad7fcf3447 Mon Sep 17 00:00:00 2001
From: FRIGN <dev@frign.de>
Date: Thu, 12 Mar 2015 13:29:12 +0100
Subject: [PATCH] Only call recurse() when path points to a directory in du(1)

This improves performance by ~30%.
---
 du.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/du.c b/du.c
index 0c46629..ef62166 100644
--- a/du.c
+++ b/du.c
@@ -47,7 +47,8 @@ du(const char *path, int depth, void *total)
 		return;
 	}
 
-	recurse(path, du, depth, &subtotal);
+	if (S_ISDIR(st.st_mode))
+		recurse(path, du, depth, &subtotal);
 	*((size_t *)total) += subtotal + nblks(st.st_blocks);
 
 	if (!sflag && depth <= maxdepth && (S_ISDIR(st.st_mode) || aflag))