bmove_upp.c

/* Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; version 2 of the License.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA */

/*  File   : bmove.c
    Author : Michael widenius
    Updated: 1987-03-20
    Defines: bmove_upp()

    bmove_upp(dst, src, len) moves exactly "len" bytes from the source
    "src-len" to the destination "dst-len" counting downwards.
*/

#include <my_global.h>
#include "m_string.h"

void bmove_upp(register uchar *dst, register const uchar *src,
               register size_t len)
{
  while (len-- != 0) *--dst = *--src;
}