4 * Copyright 1996 Alexandre Julliard
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 #include "wine/port.h"
25 void *memmove( void *dest, const void *src, size_t len )
27 register char *dst = dest;
29 /* Use memcpy if not overlapping */
30 if ((dst + len <= (char *)src) || ((char *)src + len <= dst))
32 memcpy( dst, src, len );
34 /* Otherwise do it the hard way (FIXME: could do better than this) */
35 else if (dst < (char *)src)
37 while (len--) *dst++ = *((char *)src)++;
42 src = (char *)src + len - 1;
43 while (len--) *dst-- = *((char *)src)--;
47 #endif /* HAVE_MEMMOVE */