xref: /freebsd-10.1-release/contrib/ncurses/ncurses/base/lib_vline.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    *
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 ****************************************************************************/

/****************************************************************************
 *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *
 *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
 ****************************************************************************/



/*
**	lib_vline.c
**
**	The routine wvline().
**
*/

#include <curses.priv.h>

MODULE_ID("$Id: lib_vline.c,v 1.4 1998/06/28 00:10:12 tom Exp $")

int wvline(WINDOW *win, chtype ch, int n)
{
int   code = ERR;
short row, col;
short end;

	T((T_CALLED("wvline(%p,%s,%d)"), win, _tracechtype(ch), n));

	if (win) {
		row = win->_cury;
		col = win->_curx;
		end = row + n - 1;
		if (end > win->_maxy)
			end = win->_maxy;

		if (ch == 0)
			ch = ACS_VLINE;
		ch = _nc_render(win, ch);

		while(end >= row) {
			struct ldat *line = &(win->_line[end]);
			line->text[col] = ch;
			CHANGED_CELL(line, col);
			end--;
		}

		_nc_synchook(win);
		code = OK;
	}
	returnCode(code);
}