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 /*LINTLIBRARY*/
32
33 #include <widec.h>
34 #include <limits.h>
35 #include <sys/types.h>
36 #include "curses_inc.h"
37
38 size_t
_curs_wcstombs(char * s,const wchar_t * pwcs,size_t n)39 _curs_wcstombs(char *s, const wchar_t *pwcs, size_t n)
40 {
41 int val;
42 int total = 0;
43 char temp[MB_LEN_MAX];
44 int i;
45
46 for (; ; ) {
47 if (*pwcs == 0) {
48 *s = '\0';
49 break;
50 }
51 if ((val = _curs_wctomb(temp, *pwcs++)) == -1)
52 return (val);
53 if ((total += val) > n) {
54 total -= val;
55 break;
56 }
57 for (i = 0; i < val; i++)
58 *s++ = temp[i];
59 }
60 return (total);
61 }
62