[src/trunk]: src/sys/lib/libkern arc4random: fix a bug introduced by rev.1.7.

[yamt <yamt%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/2b88aea78b24
branches:  trunk
changeset: 569822:2b88aea78b24
user:      yamt <yamt%NetBSD.org@localhost>
date:      Wed Sep 08 04:06:15 2004 +0000

description:
arc4random: fix a bug introduced by rev.1.7.
actually generate four bytes random value, rather than
leaving a byte always zero.

diffstat:

 sys/lib/libkern/arc4random.c |  4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diffs (18 lines):

diff -r 2f6e81233ebd -r 2b88aea78b24 sys/lib/libkern/arc4random.c
--- a/sys/lib/libkern/arc4random.c      Tue Sep 07 23:56:08 2004 +0000
+++ b/sys/lib/libkern/arc4random.c      Wed Sep 08 04:06:15 2004 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: arc4random.c,v 1.11 2003/10/02 10:39:27 itojun Exp $   */
+/*     $NetBSD: arc4random.c,v 1.12 2004/09/08 04:06:15 yamt Exp $     */
 
 /*-
  * Copyright (c) 2002 The NetBSD Foundation, Inc.
@@ -204,7 +204,7 @@
                arc4_randrekey();
        }
 
-       for (i = 0, ret = 0; i < 24; ret |= arc4_randbyte() << i, i += 8)
+       for (i = 0, ret = 0; i <= 24; ret |= arc4_randbyte() << i, i += 8)
                ;
        return ret;
 }