From bb1c08f6beedc5a89ad7713c914f734e29c76d74 Mon Sep 17 00:00:00 2001
From: millert <>
Date: Wed, 21 Mar 2012 12:36:49 +0000
Subject: Fix a bug where random() always returns 0 when srandom() is seeded
 with 0.  Use 1 and not 0 as the first element of the state array, similar to
 what glibc does.  OK nicm@

---
 src/lib/libc/stdlib/random.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'src')

diff --git a/src/lib/libc/stdlib/random.c b/src/lib/libc/stdlib/random.c
index 48e892042b..5a9a7c3313 100644
--- a/src/lib/libc/stdlib/random.c
+++ b/src/lib/libc/stdlib/random.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: random.c,v 1.15 2005/11/30 07:51:02 otto Exp $ */
+/*	$OpenBSD: random.c,v 1.16 2012/03/21 12:36:49 millert Exp $ */
 /*
  * Copyright (c) 1983 Regents of the University of California.
  * All rights reserved.
@@ -196,7 +196,8 @@ srandom(unsigned int x)
 	if (rand_type == TYPE_0)
 		state[0] = x;
 	else {
-		state[0] = x;
+		/* A seed of 0 would result in state[] always being zero. */
+		state[0] = x ? x : 1;
 		for (i = 1; i < rand_deg; i++) {
 			/*
 			 * Implement the following, without overflowing 31 bits:
-- 
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