lib_redrawln.c revision 50276 
1/****************************************************************************
2 * Copyright (c) 1998 Free Software Foundation, Inc.                        *
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28
29/****************************************************************************
30 *  Author: Thomas E. Dickey <dickey@clark.net> 1997                        *
31 ****************************************************************************/
32
33/*
34 *	lib_redrawln.c
35 *
36 *	The routine wredrawln().
37 *
38 */
39
40#include <curses.priv.h>
41
42MODULE_ID("$Id: lib_redrawln.c,v 1.7 1998/09/19 20:09:50 Alexander.V.Lukyanov Exp $")
43
44int wredrawln(WINDOW *win, int beg, int num)
45{
46	int i;
47	int end;
48	size_t len = (win->_maxx + 1) * sizeof(chtype);
49
50	T((T_CALLED("wredrawln(%p,%d,%d)"), win, beg, num));
51
52	if (beg < 0)
53		beg = 0;
54
55	if (touchline (win, beg, num) == ERR)
56		returnCode(ERR);
57
58	end = beg + num;
59	if (end > win->_maxy + 1)
60		end = win->_maxy + 1;
61
62	for (i = beg; i < end; i++)
63	{
64		memset (curscr->_line[i+win->_begy].text+win->_begx, 0, len);
65		_nc_make_oldhash(i+win->_begy);
66	}
67
68	returnCode(OK);
69}
70