1/****************************************************************************
2 * Copyright (c) 1998-2005,2006 Free Software Foundation, Inc.              *
3 *                                                                          *
4 * Permission is hereby granted, free of charge, to any person obtaining a  *
5 * copy of this software and associated documentation files (the            *
6 * "Software"), to deal in the Software without restriction, including      *
7 * without limitation the rights to use, copy, modify, merge, publish,      *
8 * distribute, distribute with modifications, sublicense, and/or sell       *
9 * copies of the Software, and to permit persons to whom the Software is    *
10 * furnished to do so, subject to the following conditions:                 *
11 *                                                                          *
12 * The above copyright notice and this permission notice shall be included  *
13 * in all copies or substantial portions of the Software.                   *
14 *                                                                          *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
16 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
18 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
21 * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
22 *                                                                          *
23 * Except as contained in this notice, the name(s) of the above copyright   *
24 * holders shall not be used in advertising or otherwise to promote the     *
25 * sale, use or other dealings in this Software without prior written       *
26 * authorization.                                                           *
27 ****************************************************************************/
28
29/****************************************************************************
30 *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *
31 *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
32 *     and: Sven Verdoolaege                        2001                    *
33 *     and: Thomas E. Dickey                        2005                    *
34 ****************************************************************************/
35
36/*
37**	lib_chgat.c
38**
39**	The routine wchgat().
40**
41*/
42
43#include <curses.priv.h>
44
45MODULE_ID("$Id: lib_chgat.c,v 1.7 2006/07/15 22:07:11 tom Exp $")
46
47NCURSES_EXPORT(int)
48wchgat(WINDOW *win, int n, attr_t attr, short color, const void *opts GCC_UNUSED)
49{
50    int i;
51
52    T((T_CALLED("wchgat(%p,%d,%s,%d)"), win, n, _traceattr(attr), color));
53
54    if (win) {
55	struct ldat *line = &(win->_line[win->_cury]);
56
57	toggle_attr_on(attr, COLOR_PAIR(color));
58
59	for (i = win->_curx; i <= win->_maxx && (n == -1 || (n-- > 0)); i++) {
60	    SetAttr(line->text[i], attr);
61	    SetPair(line->text[i], color);
62	    CHANGED_CELL(line, i);
63	}
64
65	returnCode(OK);
66    } else
67	returnCode(ERR);
68}
69