From f15cc9e98f102b443a7b1bc97ce7b524d3453c7e Mon Sep 17 00:00:00 2001
From: Damien Miller <djm@cvs.openbsd.org>
Date: Sun, 13 Apr 2008 00:22:18 +0000
Subject: Use arc4random_buf() when requesting more than a single word of
 output

Use arc4random_uniform() when the desired random number upper bound
is not a power of two

ok deraadt@ millert@
---
 lib/libc/stdlib/malloc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'lib')

diff --git a/lib/libc/stdlib/malloc.c b/lib/libc/stdlib/malloc.c
index 8348b7ede18..c4869527adb 100644
--- a/lib/libc/stdlib/malloc.c
+++ b/lib/libc/stdlib/malloc.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: malloc.c,v 1.88 2008/02/20 18:31:34 otto Exp $	*/
+/*	$OpenBSD: malloc.c,v 1.89 2008/04/13 00:22:16 djm Exp $	*/
 
 /*
  * ----------------------------------------------------------------------------
@@ -1140,7 +1140,7 @@ malloc_bytes(size_t size)
 
 	if (malloc_guard) {
 		/* Walk to a random position. */
-		i = arc4random() % bp->free;
+		i = arc4random_uniform(bp->free);
 		while (i > 0) {
 			u += u;
 			k++;
-- 
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