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) 1995-1998 by Sun Microsystems, Inc.
24  * All rights reserved.
25  */
26 
27 /* LINTLIBRARY */
28 
29 /*
30  * wins_nws.c
31  *
32  * XCurses Library
33  *
34  * Copyright 1990, 1994 by Mortice Kern Systems Inc.  All rights reserved.
35  *
36  */
37 
38 #ifdef M_RCSID
39 #ifndef lint
40 static char rcsID[] =
41 "$Header: /team/ps/sun_xcurses/archive/local_changes/xcurses/src/lib/"
42 "libxcurses/src/libc/xcurses/rcs/winsnstr.c 1.2 1998/04/30 20:30:43 "
43 "cbates Exp $";
44 #endif
45 #endif
46 
47 #include <private.h>
48 
49 int
winsnstr(WINDOW * w,const char * mbs,int n)50 winsnstr(WINDOW *w, const char *mbs, int n)
51 {
52 	cchar_t	cc;
53 	int	i, y, x;
54 	short	oflags;
55 
56 	y = w->_cury;
57 	x = w->_curx;
58 
59 	if (n < 0)
60 		n = INT_MAX;
61 
62 	/*
63 	 * Disable window flushing until the entire string has
64 	 * been written into the window.
65 	 */
66 	oflags = w->_flags & (W_FLUSH | W_SYNC_UP);
67 	w->_flags &= ~(W_FLUSH | W_SYNC_UP);
68 
69 	for (; *mbs != '\0' && 0 < n; n -= i, mbs += i) {
70 		if ((i = __m_mbs_cc(mbs, w->_bg._at, w->_fg._co, &cc))
71 			< 0	|| __m_wins_wch(w, y, x, &cc, &y, &x) == ERR)
72 			break;
73 	}
74 
75 	w->_flags |= oflags;
76 
77 	WSYNC(w);
78 
79 	return (WFLUSH(w));
80 }
81