1 /****************************************************************************
2  * Copyright 2020 Thomas E. Dickey                                          *
3  * Copyright 1998-2000,2009 Free Software Foundation, Inc.                  *
4  *                                                                          *
5  * Permission is hereby granted, free of charge, to any person obtaining a  *
6  * copy of this software and associated documentation files (the            *
7  * "Software"), to deal in the Software without restriction, including      *
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10  * copies of the Software, and to permit persons to whom the Software is    *
11  * furnished to do so, subject to the following conditions:                 *
12  *                                                                          *
13  * The above copyright notice and this permission notice shall be included  *
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15  *                                                                          *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
17  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
18  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
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21  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
22  * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
23  *                                                                          *
24  * Except as contained in this notice, the name(s) of the above copyright   *
25  * holders shall not be used in advertising or otherwise to promote the     *
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29 
30 /****************************************************************************
31  *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *
32  *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
33  ****************************************************************************/
34 
35 /*
36 **	lib_scrreg.c
37 **
38 **	The routine wsetscrreg().
39 **
40 */
41 
42 #include <curses.priv.h>
43 
44 MODULE_ID("$Id: lib_scrreg.c,v 1.12 2020/02/02 23:34:34 tom Exp $")
45 
46 NCURSES_EXPORT(int)
47 wsetscrreg(WINDOW *win, int top, int bottom)
48 {
49     T((T_CALLED("wsetscrreg(%p,%d,%d)"), (void *) win, top, bottom));
50 
51     if (win &&
52 	top >= 0 && top <= win->_maxy &&
53 	bottom >= 0 && bottom <= win->_maxy &&
54 	bottom > top) {
55 	win->_regtop = (NCURSES_SIZE_T) top;
56 	win->_regbottom = (NCURSES_SIZE_T) bottom;
57 
58 	returnCode(OK);
59     } else
60 	returnCode(ERR);
61 }
62