From c92c82184ccb1169676a0d59ae986ce32a4d5b82 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Fri, 6 May 2016 06:52:35 +0000
Subject: random.c: sipseed_keys_t

* random.c (sipseed): separate type of keys to reduce use of the
  magic number.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54928 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 random.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/random.c b/random.c
index 72b0f46b0f..36dcb54d10 100644
--- a/random.c
+++ b/random.c
@@ -1455,9 +1455,10 @@ random_s_rand(int argc, VALUE *argv, VALUE obj)
 #include "siphash.c"
 
 static st_index_t hashseed;
+typedef uint8_t sipseed_keys_t[16];
 static union {
-    uint8_t key[16];
-    uint32_t u32[(16 * sizeof(uint8_t) - 1) / sizeof(uint32_t)];
+    sipseed_keys_t key;
+    uint32_t u32[type_roomof(sipseed_keys_t, uint32_t)];
 } sipseed;
 
 static void
-- 
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