xref: /onnv-gate/usr/src/lib/libcurses/screen/wcstombs.c (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate /*  Copyright (c) 1988 AT&T */
23*0Sstevel@tonic-gate /*    All Rights Reserved   */
24*0Sstevel@tonic-gate 
25*0Sstevel@tonic-gate 
26*0Sstevel@tonic-gate /*
27*0Sstevel@tonic-gate  *      Copyright (c) 1997, by Sun Microsystems, Inc.
28*0Sstevel@tonic-gate  *      All rights reserved.
29*0Sstevel@tonic-gate  */
30*0Sstevel@tonic-gate 
31*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
32*0Sstevel@tonic-gate 
33*0Sstevel@tonic-gate /*LINTLIBRARY*/
34*0Sstevel@tonic-gate 
35*0Sstevel@tonic-gate #include <widec.h>
36*0Sstevel@tonic-gate #include <limits.h>
37*0Sstevel@tonic-gate #include <sys/types.h>
38*0Sstevel@tonic-gate #include "curses_inc.h"
39*0Sstevel@tonic-gate 
40*0Sstevel@tonic-gate size_t
_curs_wcstombs(char * s,const wchar_t * pwcs,size_t n)41*0Sstevel@tonic-gate _curs_wcstombs(char *s, const wchar_t *pwcs, size_t n)
42*0Sstevel@tonic-gate {
43*0Sstevel@tonic-gate 	int	val;
44*0Sstevel@tonic-gate 	int	total = 0;
45*0Sstevel@tonic-gate 	char	temp[MB_LEN_MAX];
46*0Sstevel@tonic-gate 	int	i;
47*0Sstevel@tonic-gate 
48*0Sstevel@tonic-gate 	for (; ; ) {
49*0Sstevel@tonic-gate 		if (*pwcs == 0) {
50*0Sstevel@tonic-gate 			*s = '\0';
51*0Sstevel@tonic-gate 			break;
52*0Sstevel@tonic-gate 		}
53*0Sstevel@tonic-gate 		if ((val = _curs_wctomb(temp, *pwcs++)) == -1)
54*0Sstevel@tonic-gate 			return (val);
55*0Sstevel@tonic-gate 		if ((total += val) > n) {
56*0Sstevel@tonic-gate 			total -= val;
57*0Sstevel@tonic-gate 			break;
58*0Sstevel@tonic-gate 		}
59*0Sstevel@tonic-gate 		for (i = 0; i < val; i++)
60*0Sstevel@tonic-gate 			*s++ = temp[i];
61*0Sstevel@tonic-gate 	}
62*0Sstevel@tonic-gate 	return (total);
63*0Sstevel@tonic-gate }
64