X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fmemcpy.c;h=2ccd71875924967640de05ea78fdb154a0a181a7;hb=16a0854acae4ee4124c440b63b795859e33c92c7;hp=aec71e36bee903617e042fe077e999efb60356b6;hpb=18d51bdeb5da7a87ec8ade4aa8d97528cce57db9;p=gnulib.git diff --git a/lib/memcpy.c b/lib/memcpy.c index aec71e36b..2ccd71875 100644 --- a/lib/memcpy.c +++ b/lib/memcpy.c @@ -1,28 +1,34 @@ -/* Copy LEN bytes starting at SRCADDR to DESTADDR. Result undefined - if the source overlaps with the destination. - Return DESTADDR. */ +/* Copyright (C) 1995, 1997, 2000 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 2, 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. -#include + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software Foundation, + Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ -/* FIXME: uncomment the following for releases. */ -#define NDEBUG 1 +/* Written by Jim Meyering . */ -#ifndef ABS -# define ABS(x) ((x) < 0 ? (-(x)) : (x)) +#if HAVE_CONFIG_H +# include #endif +/* Copy LEN bytes starting at SRCADDR to DESTADDR. Result undefined + if the source overlaps with the destination. + Return DESTADDR. */ + char * -memcpy (destaddr, srcaddr, len) - char *destaddr; - const char *srcaddr; - int len; +memcpy (char *destaddr, const char *srcaddr, int len) { char *dest = destaddr; - assert (len >= 0); - /* Make sure they don't overlap. */ - assert (ABS (destaddr - srcaddr) >= len); - while (len-- > 0) *destaddr++ = *srcaddr++; return dest;