ncursesw-morphos/ncurses/lib_delch.c
Thomas E. Dickey 661078ddbd ncurses 4.2
1998-02-28 23:21:12 -05:00

75 lines
3.1 KiB
C

/****************************************************************************
* Copyright (c) 1998 Free Software Foundation, Inc. *
* *
* Permission is hereby granted, free of charge, to any person obtaining a *
* copy of this software and associated documentation files (the *
* "Software"), to deal in the Software without restriction, including *
* without limitation the rights to use, copy, modify, merge, publish, *
* distribute, distribute with modifications, sublicense, and/or sell *
* copies of the Software, and to permit persons to whom the Software is *
* furnished to do so, subject to the following conditions: *
* *
* The above copyright notice and this permission notice shall be included *
* in all copies or substantial portions of the Software. *
* *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
* IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
* THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
* *
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****************************************************************************/
/****************************************************************************
* Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 *
* and: Eric S. Raymond <esr@snark.thyrsus.com> *
****************************************************************************/
/*
** lib_delch.c
**
** The routine wdelch().
**
*/
#include <curses.priv.h>
MODULE_ID("$Id: lib_delch.c,v 1.7 1998/02/11 12:13:53 tom Exp $")
int wdelch(WINDOW *win)
{
int code = ERR;
chtype *temp1, *temp2;
chtype *end;
chtype blank = _nc_background(win);
T((T_CALLED("wdelch(%p)"), win));
if (win) {
end = &win->_line[win->_cury].text[win->_maxx];
temp2 = &win->_line[win->_cury].text[win->_curx + 1];
temp1 = temp2 - 1;
while (temp1 < end)
*temp1++ = *temp2++;
*temp1 = blank;
win->_line[win->_cury].lastchar = win->_maxx;
if (win->_line[win->_cury].firstchar == _NOCHANGE
|| win->_line[win->_cury].firstchar > win->_curx)
win->_line[win->_cury].firstchar = win->_curx;
_nc_synchook(win);
code = OK;
}
returnCode(code);
}