1 /* $OpenBSD: lib_inchstr.c,v 1.4 2023/10/17 09:52:08 nicm Exp $ */
2
3 /****************************************************************************
4 * Copyright 2020 Thomas E. Dickey *
5 * Copyright 1998-2010,2017 Free Software Foundation, Inc. *
6 * *
7 * Permission is hereby granted, free of charge, to any person obtaining a *
8 * copy of this software and associated documentation files (the *
9 * "Software"), to deal in the Software without restriction, including *
10 * without limitation the rights to use, copy, modify, merge, publish, *
11 * distribute, distribute with modifications, sublicense, and/or sell *
12 * copies of the Software, and to permit persons to whom the Software is *
13 * furnished to do so, subject to the following conditions: *
14 * *
15 * The above copyright notice and this permission notice shall be included *
16 * in all copies or substantial portions of the Software. *
17 * *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
21 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
22 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
23 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
24 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
25 * *
26 * Except as contained in this notice, the name(s) of the above copyright *
27 * holders shall not be used in advertising or otherwise to promote the *
28 * sale, use or other dealings in this Software without prior written *
29 * authorization. *
30 ****************************************************************************/
31
32 /****************************************************************************
33 * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 *
34 * and: Eric S. Raymond <esr@snark.thyrsus.com> *
35 * and: Thomas E. Dickey 1996-on *
36 ****************************************************************************/
37
38 /*
39 ** lib_inchstr.c
40 **
41 ** The routine winchnstr().
42 **
43 */
44
45 #include <curses.priv.h>
46
47 MODULE_ID("$Id: lib_inchstr.c,v 1.4 2023/10/17 09:52:08 nicm Exp $")
48
NCURSES_EXPORT(int)49 NCURSES_EXPORT(int)
50 winchnstr(WINDOW *win, chtype *str, int n)
51 {
52 int i = 0;
53
54 T((T_CALLED("winchnstr(%p,%p,%d)"), (void *) win, (void *) str, n));
55
56 if (!win || !str) {
57 i = ERR;
58 } else {
59 int row = win->_cury;
60 int col = win->_curx;
61 NCURSES_CH_T *text = win->_line[row].text;
62
63 for (; (n < 0 || (i < n)) && (col + i <= win->_maxx); i++) {
64 str[i] = (((chtype) CharOf(text[col + i]) & A_CHARTEXT) |
65 AttrOf(text[col + i]));
66 }
67 str[i] = (chtype) 0;
68 }
69
70 returnCode(i);
71 }
72