xref: /openbsd-src/lib/libcurses/base/lib_insch.c (revision 92dd1ec0a89df25171bc5d61a3d95ea1a68cef0b)
1 /*	$OpenBSD: lib_insch.c,v 1.1 1999/01/18 19:09:49 millert Exp $	*/
2 
3 /****************************************************************************
4  * Copyright (c) 1998 Free Software Foundation, Inc.                        *
5  *                                                                          *
6  * Permission is hereby granted, free of charge, to any person obtaining a  *
7  * copy of this software and associated documentation files (the            *
8  * "Software"), to deal in the Software without restriction, including      *
9  * without limitation the rights to use, copy, modify, merge, publish,      *
10  * distribute, distribute with modifications, sublicense, and/or sell       *
11  * copies of the Software, and to permit persons to whom the Software is    *
12  * furnished to do so, subject to the following conditions:                 *
13  *                                                                          *
14  * The above copyright notice and this permission notice shall be included  *
15  * in all copies or substantial portions of the Software.                   *
16  *                                                                          *
17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
18  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
19  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
20  * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
21  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
22  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
23  * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
24  *                                                                          *
25  * Except as contained in this notice, the name(s) of the above copyright   *
26  * holders shall not be used in advertising or otherwise to promote the     *
27  * sale, use or other dealings in this Software without prior written       *
28  * authorization.                                                           *
29  ****************************************************************************/
30 
31 /****************************************************************************
32  *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *
33  *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
34  ****************************************************************************/
35 
36 
37 
38 /*
39 **	lib_insch.c
40 **
41 **	The routine winsch().
42 **
43 */
44 
45 #include <curses.priv.h>
46 
47 MODULE_ID("$From: lib_insch.c,v 1.10 1998/06/28 00:26:52 tom Exp $")
48 
49 int  winsch(WINDOW *win, chtype c)
50 {
51 int code = ERR;
52 
53 	T((T_CALLED("winsch(%p, %s)"), win, _tracechtype(c)));
54 
55 	if (win) {
56 		struct ldat *line = &(win->_line[win->_cury]);
57 		chtype *end = &(line->text[win->_curx]);
58 		chtype *temp1 = &(line->text[win->_maxx]);
59 		chtype *temp2 = temp1 - 1;
60 
61 		CHANGED_TO_EOL(line, win->_curx, win->_maxx);
62 		while (temp1 > end)
63 			*temp1-- = *temp2--;
64 
65 		*temp1 = _nc_render(win, c);
66 		code = OK;
67 	}
68 	returnCode(code);
69 }
70