nobu	2015-02-04 17:35:08 +0900 (Wed, 04 Feb 2015)

  New Revision: 49494

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=49494

  Log:
    _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.

  Modified files:
    trunk/ext/sdbm/_sdbm.c
Index: ext/sdbm/_sdbm.c
===================================================================
--- ext/sdbm/_sdbm.c	(revision 49493)
+++ ext/sdbm/_sdbm.c	(revision 49494)
@@ -802,7 +802,7 @@ delpair(char *pag, datum key) https://github.com/ruby/ruby/blob/trunk/ext/sdbm/_sdbm.c#L802
 		}
 #else
 #ifdef MEMMOVE
-		memmove(dst, src, m);
+		memmove(dst-m, src-m, m);
 #else
 		while (m--)
 			*--dst = *--src;

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