1 /* Copyright (C) 1995, 1997, 2000, 2003, 2006 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ 16 17 /* Written by Jim Meyering <meyering@na-net.ornl.gov>. */ 18 19 #include <config.h> 20 21 #include <stddef.h> 22 23 /* Copy LEN bytes starting at SRCADDR to DESTADDR. Result undefined 24 if the source overlaps with the destination. 25 Return DESTADDR. */ 26 27 void * 28 memcpy (void *destaddr, void const *srcaddr, size_t len) 29 { 30 char *dest = destaddr; 31 char const *src = srcaddr; 32 33 while (len-- > 0) 34 *dest++ = *src++; 35 return destaddr; 36 }