xref: /titanic_44/usr/src/lib/libxcurses2/src/libc/xcurses/winsnstr.c (revision f38cb554a534c6df738be3f4d23327e69888e634)
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 #pragma ident	"%Z%%M%	%I%	%E% SMI"
28 
29 /* LINTLIBRARY */
30 
31 /*
32  * wins_nws.c
33  *
34  * XCurses Library
35  *
36  * Copyright 1990, 1994 by Mortice Kern Systems Inc.  All rights reserved.
37  *
38  */
39 
40 #ifdef M_RCSID
41 #ifndef lint
42 static char rcsID[] =
43 "$Header: /team/ps/sun_xcurses/archive/local_changes/xcurses/src/lib/"
44 "libxcurses/src/libc/xcurses/rcs/winsnstr.c 1.2 1998/04/30 20:30:43 "
45 "cbates Exp $";
46 #endif
47 #endif
48 
49 #include <private.h>
50 
51 int
52 winsnstr(WINDOW *w, const char *mbs, int n)
53 {
54 	cchar_t	cc;
55 	int	i, y, x;
56 	short	oflags;
57 
58 	y = w->_cury;
59 	x = w->_curx;
60 
61 	if (n < 0)
62 		n = INT_MAX;
63 
64 	/*
65 	 * Disable window flushing until the entire string has
66 	 * been written into the window.
67 	 */
68 	oflags = w->_flags & (W_FLUSH | W_SYNC_UP);
69 	w->_flags &= ~(W_FLUSH | W_SYNC_UP);
70 
71 	for (; *mbs != '\0' && 0 < n; n -= i, mbs += i) {
72 		if ((i = __m_mbs_cc(mbs, w->_bg._at, w->_fg._co, &cc))
73 			< 0	|| __m_wins_wch(w, y, x, &cc, &y, &x) == ERR)
74 			break;
75 	}
76 
77 	w->_flags |= oflags;
78 
79 	WSYNC(w);
80 
81 	return (WFLUSH(w));
82 }
83