1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 /* Copyright (c) 1986 AT&T */ 28 /* All Rights Reserved */ 29 30 /* 31 * Concatenate s2 on the end of s1. S1's space must be large enough. 32 * At most n characters are moved. 33 * return s1. 34 */ 35 36 #pragma weak _wcsncat = wcsncat 37 #pragma weak _wsncat = wsncat 38 39 #include "lint.h" 40 #include <stdlib.h> 41 #include <wchar.h> 42 43 wchar_t * 44 wcsncat(wchar_t *s1, const wchar_t *s2, size_t n) 45 { 46 wchar_t *os1 = s1; 47 48 while (*s1++) /* find end of s1 */ 49 ; 50 ++n; 51 --s1; 52 while ((*s1++ = *s2++) != 0) /* copy s2 to s1 */ 53 if (--n == 0) { /* at most n chars */ 54 *--s1 = 0; 55 break; 56 } 57 return (os1); 58 } 59 60 wchar_t * 61 wsncat(wchar_t *s1, const wchar_t *s2, size_t n) 62 { 63 return (wcsncat(s1, s2, n)); 64 } 65