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