From d583d12300a8990715824857400aaa7f66699333 Mon Sep 17 00:00:00 2001
From: Hiltjo Posthuma <hiltjo@codemadness.org>
Date: Mon, 30 Mar 2015 19:58:06 +0200
Subject: [PATCH] du: fix possible division by zero if $BLOCKSIZE is 0

these kind of $BLOCKSIZE dont make sense, but dont crash atleast.
---
 du.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/du.c b/du.c
index b20201a..0bc732b 100644
--- a/du.c
+++ b/du.c
@@ -94,7 +94,7 @@ main(int argc, char *argv[])
 
 	bsize = getenv("BLOCKSIZE");
 	if (bsize)
-		blksize = estrtonum(bsize, 0, MIN(LLONG_MAX, SIZE_MAX));
+		blksize = estrtonum(bsize, 1, MIN(LLONG_MAX, SIZE_MAX));
 	if (kflag)
 		blksize = 1024;