1 /* $NetBSD: memcpy.c,v 1.1.1.1 2016/01/14 00:11:29 christos Exp $ */
2
3 /* Copyright (C) 1995, 1997, 2000, 2003 Free Software Foundation, Inc.
4
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2, or (at your option)
8 any later version.
9
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software Foundation,
17 Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
18
19 /* Written by Jim Meyering <meyering@na-net.ornl.gov>. */
20
21 #if HAVE_CONFIG_H
22 # include <config.h>
23 #endif
24
25 #include <stddef.h>
26
27 /* Copy LEN bytes starting at SRCADDR to DESTADDR. Result undefined
28 if the source overlaps with the destination.
29 Return DESTADDR. */
30
31 void *
memcpy(void * destaddr,void const * srcaddr,size_t len)32 memcpy (void *destaddr, void const *srcaddr, size_t len)
33 {
34 char *dest = destaddr;
35 char const *src = srcaddr;
36
37 while (len-- > 0)
38 *dest++ = *src++;
39 return destaddr;
40 }
41