ncurses-5.7/ncurses/widechar/lib_hline_set.c

/****************************************************************************
 * Copyright (c) 2002 Free Software Foundation, Inc.                        *
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/****************************************************************************
 *  Author: Thomas Dickey 2002                                              *
 ****************************************************************************/

/*
**	lib_hline_set.c
**
**	The routine whline_set().
**
*/

#include <curses.priv.h>

MODULE_ID("$Id: lib_hline_set.c,v 1.2 2002/03/23 21:35:34 tom Exp $")

NCURSES_EXPORT(int)
whline_set(WINDOW *win, const cchar_t * ch, int n)
{
    int code = ERR;
    NCURSES_SIZE_T start;
    NCURSES_SIZE_T end;

    T((T_CALLED("whline_set(%p,%s,%d)"), win, _tracecchar_t(ch), n));

    if (win) {
	struct ldat *line = &(win->_line[win->_cury]);
	NCURSES_CH_T wch;

	start = win->_curx;
	end = start + n - 1;
	if (end > win->_maxx)
	    end = win->_maxx;

	CHANGED_RANGE(line, start, end);

	if (ch == 0)
	    wch = *WACS_HLINE;
	else
	    wch = *ch;
	wch = _nc_render(win, wch);

	while (end >= start) {
	    line->text[end] = wch;
	    end--;
	}

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