minix/lib/curses/werase.c
2005-04-21 14:53:53 +00:00

26 lines
722 B
C
Executable file

#include <curses.h>
#include "curspriv.h"
/****************************************************************/
/* Werase() fills all lines of window 'win' with blanks and po- */
/* Sitions the cursor at home in the scroll region. */
/****************************************************************/
void werase(win)
WINDOW *win;
{
int *end, *start, y, blank;
blank = ' ' | (win->_attrs & ATR_MSK);
for (y = win->_regtop; y <= win->_regbottom; y++) { /* clear all lines */
start = win->_line[y];
end = &start[win->_maxx];
while (start <= end) /* clear all line */
*start++ = blank;
win->_minchng[y] = 0;
win->_maxchng[y] = win->_maxx;
}
win->_cury = win->_regtop; /* cursor home */
win->_curx = 0;
}