17c478bd9Sstevel@tonic-gate /*
27c478bd9Sstevel@tonic-gate * CDDL HEADER START
37c478bd9Sstevel@tonic-gate *
47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the
57257d1b4Sraf * Common Development and Distribution License (the "License").
67257d1b4Sraf * You may not use this file except in compliance with the License.
77c478bd9Sstevel@tonic-gate *
87c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
97c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
107c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions
117c478bd9Sstevel@tonic-gate * and limitations under the License.
127c478bd9Sstevel@tonic-gate *
137c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
147c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
157c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
167c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
177c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
187c478bd9Sstevel@tonic-gate *
197c478bd9Sstevel@tonic-gate * CDDL HEADER END
207c478bd9Sstevel@tonic-gate */
217257d1b4Sraf
227c478bd9Sstevel@tonic-gate /*
237257d1b4Sraf * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
247c478bd9Sstevel@tonic-gate * Use is subject to license terms.
257c478bd9Sstevel@tonic-gate */
267c478bd9Sstevel@tonic-gate
277c478bd9Sstevel@tonic-gate /* Copyright (c) 1986 AT&T */
287c478bd9Sstevel@tonic-gate /* All Rights Reserved */
297c478bd9Sstevel@tonic-gate
307c478bd9Sstevel@tonic-gate /*
317c478bd9Sstevel@tonic-gate * Concatenate s2 on the end of s1. S1's space must be large enough.
327c478bd9Sstevel@tonic-gate * At most n characters are moved.
337c478bd9Sstevel@tonic-gate * return s1.
347c478bd9Sstevel@tonic-gate */
357c478bd9Sstevel@tonic-gate
367257d1b4Sraf #pragma weak _wcsncat = wcsncat
377257d1b4Sraf #pragma weak _wsncat = wsncat
387c478bd9Sstevel@tonic-gate
397c478bd9Sstevel@tonic-gate #include "lint.h"
407c478bd9Sstevel@tonic-gate #include <stdlib.h>
417c478bd9Sstevel@tonic-gate #include <wchar.h>
427c478bd9Sstevel@tonic-gate
437c478bd9Sstevel@tonic-gate wchar_t *
wcsncat(wchar_t * s1,const wchar_t * s2,size_t n)447257d1b4Sraf wcsncat(wchar_t *s1, const wchar_t *s2, size_t n)
457c478bd9Sstevel@tonic-gate {
467c478bd9Sstevel@tonic-gate wchar_t *os1 = s1;
477c478bd9Sstevel@tonic-gate
487c478bd9Sstevel@tonic-gate while (*s1++) /* find end of s1 */
497c478bd9Sstevel@tonic-gate ;
507c478bd9Sstevel@tonic-gate ++n;
517c478bd9Sstevel@tonic-gate --s1;
52*00ae5933SToomas Soome while ((*s1++ = *s2++) != 0) /* copy s2 to s1 */
537c478bd9Sstevel@tonic-gate if (--n == 0) { /* at most n chars */
547c478bd9Sstevel@tonic-gate *--s1 = 0;
557c478bd9Sstevel@tonic-gate break;
567c478bd9Sstevel@tonic-gate }
577c478bd9Sstevel@tonic-gate return (os1);
587c478bd9Sstevel@tonic-gate }
597c478bd9Sstevel@tonic-gate
607c478bd9Sstevel@tonic-gate wchar_t *
wsncat(wchar_t * s1,const wchar_t * s2,size_t n)617257d1b4Sraf wsncat(wchar_t *s1, const wchar_t *s2, size_t n)
627c478bd9Sstevel@tonic-gate {
637257d1b4Sraf return (wcsncat(s1, s2, n));
647c478bd9Sstevel@tonic-gate }
65