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 /*
28 * waddnstr.c
29 *
30 * XCurses Library
31 *
32 * Copyright 1990, 1995 by Mortice Kern Systems Inc. All rights reserved.
33 *
34 */
35
36 #if M_RCSID
37 #ifndef lint
38 static char rcsID[] = "$Header: /rd/src/libc/xcurses/rcs/waddnstr.c 1.3 1995/06/21 20:30:55 ant Exp $";
39 #endif
40 #endif
41
42 #include <private.h>
43 #include <limits.h>
44
45 int
waddnstr(w,str,n)46 waddnstr(w, str, n)
47 WINDOW *w;
48 const char *str;
49 int n;
50 {
51 int i;
52 cchar_t cc;
53 short oflags;
54
55 #ifdef M_CURSES_TRACE
56 __m_trace("waddnstr(%p, %p = \"%s\", %d)", w, str, str, n);
57 #endif
58
59 if (n < 0)
60 n = INT_MAX;
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 ( ; *str != '\0' && 0 < n; n -= i, str += i) {
69 if ((i = __m_mbs_cc(str, w->_bg._at, w->_bg._co, &cc)) < 0
70 || wadd_wch(w, &cc) == ERR)
71 return __m_return_code("waddnstr", ERR);
72 }
73
74 w->_flags |= oflags;
75
76 WSYNC(w);
77
78 return __m_return_code("waddnstr", WFLUSH(w));
79 }
80