xref: /illumos-gate/usr/src/lib/libcurses/screen/mbstowcs.c (revision e8031f0a8ed0e45c6d8847c5e09424e66fd34a4b)
17c478bd9Sstevel@tonic-gate /*
27c478bd9Sstevel@tonic-gate  * CDDL HEADER START
37c478bd9Sstevel@tonic-gate  *
47c478bd9Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
57c478bd9Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
67c478bd9Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
77c478bd9Sstevel@tonic-gate  * with the License.
87c478bd9Sstevel@tonic-gate  *
97c478bd9Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
107c478bd9Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
117c478bd9Sstevel@tonic-gate  * See the License for the specific language governing permissions
127c478bd9Sstevel@tonic-gate  * and limitations under the License.
137c478bd9Sstevel@tonic-gate  *
147c478bd9Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
157c478bd9Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
167c478bd9Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
177c478bd9Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
187c478bd9Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
197c478bd9Sstevel@tonic-gate  *
207c478bd9Sstevel@tonic-gate  * CDDL HEADER END
217c478bd9Sstevel@tonic-gate  */
22*e8031f0aSraf 
237c478bd9Sstevel@tonic-gate /*  Copyright (c) 1988 AT&T */
247c478bd9Sstevel@tonic-gate /*    All Rights Reserved   */
257c478bd9Sstevel@tonic-gate 
267c478bd9Sstevel@tonic-gate /*
27*e8031f0aSraf  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
28*e8031f0aSraf  * Use is subject to license terms.
297c478bd9Sstevel@tonic-gate  */
307c478bd9Sstevel@tonic-gate 
317c478bd9Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
327c478bd9Sstevel@tonic-gate 
337c478bd9Sstevel@tonic-gate /*LINTLIBRARY*/
347c478bd9Sstevel@tonic-gate 
35*e8031f0aSraf #include "c_synonyms.h"
367c478bd9Sstevel@tonic-gate #include <widec.h>
377c478bd9Sstevel@tonic-gate #include <sys/types.h>
387c478bd9Sstevel@tonic-gate #include <stdlib.h>
397c478bd9Sstevel@tonic-gate #include "curses_inc.h"
407c478bd9Sstevel@tonic-gate 
417c478bd9Sstevel@tonic-gate size_t
427c478bd9Sstevel@tonic-gate _curs_mbstowcs(wchar_t *pwcs, const char *s, size_t n)
437c478bd9Sstevel@tonic-gate {
447c478bd9Sstevel@tonic-gate 	int	i, val;
457c478bd9Sstevel@tonic-gate 
467c478bd9Sstevel@tonic-gate 	for (i = 0; i < n; i++) {
477c478bd9Sstevel@tonic-gate 		if ((val = _curs_mbtowc(pwcs++, s, MB_CUR_MAX)) == -1)
487c478bd9Sstevel@tonic-gate 			return (val);
497c478bd9Sstevel@tonic-gate 		if (val == 0)
507c478bd9Sstevel@tonic-gate 			break;
517c478bd9Sstevel@tonic-gate 		s += val;
527c478bd9Sstevel@tonic-gate 	}
537c478bd9Sstevel@tonic-gate 	return (i);
547c478bd9Sstevel@tonic-gate }
55