xref: /titanic_41/usr/src/lib/libcurses/screen/mbstowcs.c (revision 524e558aae3e99de2bdab73592f925ea489fbe07)
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 
23 /*  Copyright (c) 1988 AT&T */
24 /*    All Rights Reserved   */
25 
26 /*
27  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
28  * Use is subject to license terms.
29  */
30 
31 #pragma ident	"%Z%%M%	%I%	%E% SMI"
32 
33 /*LINTLIBRARY*/
34 
35 #include "c_synonyms.h"
36 #include <widec.h>
37 #include <sys/types.h>
38 #include <stdlib.h>
39 #include "curses_inc.h"
40 
41 size_t
42 _curs_mbstowcs(wchar_t *pwcs, const char *s, size_t n)
43 {
44 	int	i, val;
45 
46 	for (i = 0; i < n; i++) {
47 		if ((val = _curs_mbtowc(pwcs++, s, MB_CUR_MAX)) == -1)
48 			return (val);
49 		if (val == 0)
50 			break;
51 		s += val;
52 	}
53 	return (i);
54 }
55