lib_delch.c revision 267654 
1105251Smarkm/****************************************************************************
2105251Smarkm * Copyright (c) 1998,2000,2001 Free Software Foundation, Inc.              *
3105251Smarkm *                                                                          *
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11105251Smarkm *                                                                          *
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14143423Sume *                                                                          *
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22 *                                                                          *
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28
29/****************************************************************************
30 *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *
31 *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
32 ****************************************************************************/
33
34/*
35**	lib_delch.c
36**
37**	The routine wdelch().
38**
39*/
40
41#include <curses.priv.h>
42
43MODULE_ID("$Id: lib_delch.c,v 1.12 2001/12/19 01:06:09 tom Exp $")
44
45NCURSES_EXPORT(int)
46wdelch(WINDOW *win)
47{
48    int code = ERR;
49
50    T((T_CALLED("wdelch(%p)"), win));
51
52    if (win) {
53	NCURSES_CH_T blank = win->_nc_bkgd;
54	struct ldat *line = &(win->_line[win->_cury]);
55	NCURSES_CH_T *end = &(line->text[win->_maxx]);
56	NCURSES_CH_T *temp2 = &(line->text[win->_curx + 1]);
57	NCURSES_CH_T *temp1 = temp2 - 1;
58
59	CHANGED_TO_EOL(line, win->_curx, win->_maxx);
60	while (temp1 < end)
61	    *temp1++ = *temp2++;
62
63	*temp1 = blank;
64
65	_nc_synchook(win);
66	code = OK;
67    }
68    returnCode(code);
69}
70