Mercurial > gnulib
view lib/memcpy.c @ 39945:821a9a195c14
std-gnu11: Support Autoconf versions < 2.64.
* m4/std-gnu11.m4 (AC_PROG_CC, AC_PROG_CXX): Use _AC_DO as fallback
when _AC_DO_LIMIT does not exist.
author | Bruno Haible <bruno@clisp.org> |
---|---|
date | Tue, 23 Oct 2018 00:12:11 +0200 |
parents | 10eb9086bea0 |
children | b06060465f09 |
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/* Copyright (C) 1995, 1997, 2000, 2003, 2006, 2009-2018 Free Software * Foundation, Inc. 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; either version 3 of the License, or (at your option) any later version. 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, see <https://www.gnu.org/licenses/>. */ /* Written by Jim Meyering <meyering@na-net.ornl.gov>. */ #include <config.h> #include <stddef.h> /* Copy LEN bytes starting at SRCADDR to DESTADDR. Result undefined if the source overlaps with the destination. Return DESTADDR. */ void * memcpy (void *destaddr, void const *srcaddr, size_t len) { char *dest = destaddr; char const *src = srcaddr; while (len-- > 0) *dest++ = *src++; return destaddr; }