freebsd-src/lib/libncurses/lib_delch.c
Andrey A. Chernov c8a57a4fe5 Fix logical background handling by merging it from ncurses 4.1
No new user-visible functions added
1997-07-30 17:21:39 +00:00

40 lines
831 B
C

/* This work is copyrighted. See COPYRIGHT.OLD & COPYRIGHT.NEW for *
* details. If they are missing then this copy is in violation of *
* the copyright conditions. */
/*
** lib_delch.c
**
** The routine wdelch().
**
*/
#include "curses.priv.h"
#include "terminfo.h"
int wdelch(WINDOW *win)
{
chtype *temp1, *temp2;
chtype *end;
chtype blank = _nc_background(win);
T(("wdelch(%x) called", win));
end = &win->_line[win->_cury][win->_maxx];
temp2 = &win->_line[win->_cury][win->_curx + 1];
temp1 = temp2 - 1;
while (temp1 < end)
*temp1++ = *temp2++;
*temp1 = blank;
win->_lastchar[win->_cury] = win->_maxx;
if (win->_firstchar[win->_cury] == _NOCHANGE
|| win->_firstchar[win->_cury] > win->_curx)
win->_firstchar[win->_cury] = win->_curx;
return OK;
}