xref: /titanic_44/usr/src/lib/libmail/common/strmove.c (revision 7257d1b4d25bfac0c802847390e98a464fd787ac)

/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (the "License").
 * You may not use this file except in compliance with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */

/*
 * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

/*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
/*	  All Rights Reserved  	*/

#pragma ident	"%Z%%M%	%I%	%E% SMI"

#include <sys/types.h>
#include "libmail.h"

/*
 *  NAME
 *	strmove - copy a string, permitting overlaps
 *
 *  SYNOPSIS
 *	void strmove(char *to, char *from)
 *
 *  DESCRIPTION
 *	strmove() acts exactly like strcpy() with the additional
 *	guarantee that it will work with overlapping strings.
 *	It does it left-to-right, a byte at a time.
 */

void
strmove(char *to, char *from)
{
	while ((*to++ = *from++) != 0)
		;
}