From bb909148e91fe6038deabe6aec889b349d126851 Mon Sep 17 00:00:00 2001
From: ache <ache@FreeBSD.org>
Date: Wed, 3 Jul 2013 23:27:04 +0000
Subject: In addition to prev. commit, for repeated rand_r(3) calls don't
 forget to compensate back at the end incremented at the start internal state.

MFC after:      2 weeks
---
 lib/libc/stdlib/rand.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'lib/libc')

diff --git a/lib/libc/stdlib/rand.c b/lib/libc/stdlib/rand.c
index 676c95e..58b3753 100644
--- a/lib/libc/stdlib/rand.c
+++ b/lib/libc/stdlib/rand.c
@@ -90,7 +90,11 @@ rand_r(unsigned int *ctx)
 #endif
 	int r = do_rand(&val);
 
-	*ctx = (unsigned int) val;
+#ifdef  USE_WEAK_SEEDING
+	*ctx = (unsigned int)val;
+#else
+	*ctx = (unsigned int)(val - 1);
+#endif
 	return (r);
 }
 
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