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) 1995, by Sun Microsystems, Inc.
24 * All rights reserved.
25 */
26
27#pragma ident	"%Z%%M%	%I%	%E% SMI"
28
29/*
30 * winchn.c
31 *
32 * XCurses Library
33 *
34 * Copyright 1990, 1995 by Mortice Kern Systems Inc.  All rights reserved.
35 *
36 */
37
38#if M_RCSID
39#ifndef lint
40static char rcsID[] = "$Header: /rd/src/libc/xcurses/rcs/winchn.c 1.1 1995/06/13 20:54:33 ant Exp $";
41#endif
42#endif
43
44#include <private.h>
45
46int
47winchnstr(w, chs, n)
48WINDOW *w;
49chtype *chs;
50int n;
51{
52	int x, eol;
53	cchar_t *cp;
54
55#ifdef M_CURSES_TRACE
56	__m_trace("winchnstr(%p, %p, %d)", w, chs, n);
57#endif
58
59	eol = (n < 0 || w->_maxx < w->_curx + n) ? w->_maxx : w->_curx + n;
60
61        for (cp = w->_line[w->_cury], x = w->_curx; x < eol; ++x, ++chs) {
62		if ((*chs = __m_cc_chtype(&cp[x])) == (chtype) ERR)
63			return __m_return_code("winchnstr", ERR);
64	}
65
66	/* For an unbounded buffer or a buffer with room remaining,
67	 * null terminate the buffer.
68	 */
69	if (n < 0 || eol < w->_curx + n)
70		*chs = 0;
71
72	return __m_return_code("winchnstr", OK);
73}
74