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, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*  Copyright (c) 1988 AT&T */
23 /*    All Rights Reserved   */
24 
25 
26 /*
27  *      Copyright (c) 1997, by Sun Microsystems, Inc.
28  *      All rights reserved.
29  */
30 
31 #pragma ident	"%Z%%M%	%I%	%E% SMI"
32 
33 /*LINTLIBRARY*/
34 
35 #include <widec.h>
36 #include <limits.h>
37 #include <sys/types.h>
38 #include "curses_inc.h"
39 
40 size_t
_curs_wcstombs(char * s,const wchar_t * pwcs,size_t n)41 _curs_wcstombs(char *s, const wchar_t *pwcs, size_t n)
42 {
43 	int	val;
44 	int	total = 0;
45 	char	temp[MB_LEN_MAX];
46 	int	i;
47 
48 	for (; ; ) {
49 		if (*pwcs == 0) {
50 			*s = '\0';
51 			break;
52 		}
53 		if ((val = _curs_wctomb(temp, *pwcs++)) == -1)
54 			return (val);
55 		if ((total += val) > n) {
56 			total -= val;
57 			break;
58 		}
59 		for (i = 0; i < val; i++)
60 			*s++ = temp[i];
61 	}
62 	return (total);
63 }
64