wsncat.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (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 2004 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/* Copyright (c) 1986 AT&T */
/* All Rights Reserved */
/* This module is created for NLS on Sep.03.86 */
/*
* Concatenate s2 on the end of s1. S1's space must be large enough.
* At most n characters are moved.
* return s1.
*/
#pragma weak wcsncat = _wcsncat
#pragma weak wsncat = _wsncat
#include "lint.h"
#include <stdlib.h>
#include <wchar.h>
wchar_t *
_wcsncat(wchar_t *s1, const wchar_t *s2, size_t n)
{
wchar_t *os1 = s1;
while (*s1++) /* find end of s1 */
;
++n;
--s1;
while (*s1++ = *s2++) /* copy s2 to s1 */
if (--n == 0) { /* at most n chars */
*--s1 = 0;
break;
}
return (os1);
}
wchar_t *
_wsncat(wchar_t *s1, const wchar_t *s2, size_t n)
{
return (_wcsncat(s1, s2, n));
}