source: trunk/minix/lib/curses/wclrtobot.c@ 12

Last change on this file since 12 was 9, checked in by Mattia Monga, 14 years ago

Minix 3.1.2a

File size: 1009 bytes
Line 
1#include <curses.h>
2#include "curspriv.h"
3
4/****************************************************************/
5/* Wclrtobot() fills the right half of the cursor line of */
6/* Window 'win', and all lines below it with blanks. */
7/****************************************************************/
8
9int wclrtobot(win)
10WINDOW *win;
11{
12 int y, minx, startx, *ptr, *end, *maxx, blank;
13
14 blank = ' ' | (win->_attrs & ATR_MSK);
15 startx = win->_curx;
16 for (y = win->_cury; y <= win->_regbottom; y++) {
17 minx = _NO_CHANGE;
18 end = &win->_line[y][win->_maxx];
19 for (ptr = &win->_line[y][startx]; ptr <= end; ptr++) {
20 if (*ptr != blank) {
21 maxx = ptr;
22 if (minx == _NO_CHANGE) minx = ptr - win->_line[y];
23 *ptr = blank;
24 } /* if */
25 } /* for */
26 if (minx != _NO_CHANGE) {
27 if ((win->_minchng[y] > minx) || (win->_minchng[y] == _NO_CHANGE))
28 win->_minchng[y] = minx;
29 if (win->_maxchng[y] < maxx - win->_line[y])
30 win->_maxchng[y] = maxx - win->_line[y];
31 } /* if */
32 startx = 0;
33 }
34 return(OK);
35}
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