Fix misuse of arc4random by using arc4random_uniform.

Noticed by riastradh.
This commit is contained in:
dholland 2017-02-06 02:26:44 +00:00
parent 9634b3fd38
commit 3e58855b26

View File

@ -1,4 +1,4 @@
/* $NetBSD: shuffle.c,v 1.21 2011/09/16 15:39:29 joerg Exp $ */
/* $NetBSD: shuffle.c,v 1.22 2017/02/06 02:26:44 dholland Exp $ */
/*
* Copyright (c) 1998
@ -33,7 +33,7 @@
#include <sys/cdefs.h>
#ifndef lint
__RCSID("$NetBSD: shuffle.c,v 1.21 2011/09/16 15:39:29 joerg Exp $");
__RCSID("$NetBSD: shuffle.c,v 1.22 2017/02/06 02:26:44 dholland Exp $");
#endif /* not lint */
#include <sys/time.h>
@ -73,7 +73,7 @@ get_shuffle(size_t t)
*/
for (j = t - 1; j > 0; j--) {
k = arc4random() % (j + 1);
k = arc4random_uniform(j + 1);
temp = shuffle[j];
shuffle[j] = shuffle[k];
shuffle[k] = temp;