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/***************************************************************************
* COPYRIGHT NOTICE *
****************************************************************************
* ncurses is copyright (C) 1992-1995 *
* Zeyd M. Ben-Halim *
* zmbenhal@netcom.com *
* Eric S. Raymond *
* esr@snark.thyrsus.com *
* *
* Permission is hereby granted to reproduce and distribute ncurses *
* by any means and for any fee, whether alone or as part of a *
* larger distribution, in source or in binary form, PROVIDED *
* this notice is included with any such distribution, and is not *
* removed from any of its header files. Mention of ncurses in any *
* applications linked with it is highly appreciated. *
* *
* ncurses comes AS IS with no warranty, implied or expressed. *
* *
***************************************************************************/
/*
** lib_clreol.c
**
** The routine wclrtoeol().
**
*/
#include <curses.priv.h>
MODULE_ID("Id: lib_clreol.c,v 1.9 1997/02/01 23:22:54 tom Exp $")
int wclrtoeol(WINDOW *win)
{
chtype *maxx, *ptr, *end;
short y, x, minx;
T((T_CALLED("wclrtoeol(%p)"), win));
y = win->_cury;
x = win->_curx;
/*
* We don't want to clear if we just wrapped the cursor. There's no
* point in clearing if we're not on a legal position, either.
*/
if (win->_flags & _WRAPPED
|| y > win->_maxy
|| x > win->_maxx)
returnCode(ERR);
end = &win->_line[y].text[win->_maxx];
minx = _NOCHANGE;
maxx = &win->_line[y].text[x];
for (ptr = maxx; ptr <= end; ptr++) {
chtype blank = _nc_background(win);
if (*ptr != blank) {
maxx = ptr;
if (minx == _NOCHANGE)
minx = ptr - win->_line[y].text;
*ptr = blank;
}
}
if (minx != _NOCHANGE) {
if (win->_line[y].firstchar > minx || win->_line[y].firstchar == _NOCHANGE)
win->_line[y].firstchar = minx;
if (win->_line[y].lastchar < maxx - win->_line[y].text)
win->_line[y].lastchar = maxx - win->_line[y].text;
}
_nc_synchook(win);
returnCode(OK);
}
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