From d54db9b2a02b1b61899b1c8a0d0128cbd88d4e65 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 4 Feb 2015 08:35:08 +0000
Subject: [PATCH] _sdbm.c: fix pointers to shift

* ext/sdbm/_sdbm.c (delpair): dst and src point at the ends of
  each data, whereas memmove requires pointers to the beginnings.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@49494 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ext/sdbm/_sdbm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ext/sdbm/_sdbm.c b/ext/sdbm/_sdbm.c
index a1705613a9..b9ee6c3972 100644
--- a/ext/sdbm/_sdbm.c
+++ b/ext/sdbm/_sdbm.c
@@ -802,7 +802,7 @@ delpair(char *pag, datum key)
 		}
 #else
 #ifdef MEMMOVE
-		memmove(dst, src, m);
+		memmove(dst-m, src-m, m);
 #else
 		while (m--)
 			*--dst = *--src;