du: fix possible division by zero if $BLOCKSIZE is 0

these kind of $BLOCKSIZE dont make sense, but dont crash atleast.
2015-03-30 19:58:06 +02:00 · 2015-03-30 19:58:06 +02:00 · d583d12300
parent 27f258dd34
commit d583d12300
1 changed files with 1 additions and 1 deletions
--- 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;