waddnws.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
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) 1995-1999 by Sun Microsystems, Inc.
24 * All rights reserved.
25 */
26
27#pragma ident	"%Z%%M%	%I%	%E% SMI"
28
29/* LINTLIBRARY */
30
31/*
32 * waddnws.c
33 *
34 * XCurses Library
35 *
36 * Copyright 1990, 1995 by Mortice Kern Systems Inc.  All rights reserved.
37 *
38 */
39
40#if M_RCSID
41#ifndef lint
42static char rcsID[] =
43"$Header: /team/ps/sun_xcurses/archive/local_changes/xcurses/src/lib/"
44"libxcurses/src/libc/xcurses/rcs/waddnws.c 1.5 1998/05/26 20:00:57 "
45"cbates Exp $";
46#endif
47#endif
48
49#include <private.h>
50#include <limits.h>
51
52int
53waddnwstr(WINDOW *w, const wchar_t *wcs, int n)
54{
55	cchar_t	cc;
56	short	oflags;
57
58	if (n < 0)
59		n = INT_MAX;
60
61	/*
62	 * Disable window flushing until the entire string has
63	 * been written into the window.
64	 */
65	oflags = w->_flags & (W_FLUSH | W_SYNC_UP);
66	w->_flags &= ~(W_FLUSH | W_SYNC_UP);
67
68	for (; *wcs != '\0' && 0 < n; wcs++, n--) {
69		if (__m_wc_cc(*wcs, &cc) < 0)
70			return (ERR);
71		cc._at = w->_bg._at;
72		if (__m_wadd_wch(w, &cc) == ERR)
73			return (ERR);
74	}
75	w->_flags |= oflags;
76
77	WSYNC(w);
78
79	return (WFLUSH(w));
80}
81