xref: /freebsd-10-stable/contrib/ncurses/ncurses/widechar/lib_in_wchnstr.c

/****************************************************************************
 * Copyright (c) 2002,2004 Free Software Foundation, Inc.                   *
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/****************************************************************************
 * Author: Thomas Dickey 2002,2004                                          *
 ****************************************************************************/

/*
**	lib_in_wchnstr.c
**
**	The routine win_wchnstr().
**
*/

#include <curses.priv.h>

MODULE_ID("$Id: lib_in_wchnstr.c,v 1.3 2004/05/16 00:12:30 tom Exp $")

NCURSES_EXPORT(int)
win_wchnstr(WINDOW *win, cchar_t * wchstr, int n)
{
    int code = OK;

    TR(TRACE_CALLS, (T_CALLED("win_wchnstr(%p,%p,%d)"), win, wchstr, n));
    if (win != 0
	&& wchstr != 0) {
	int row, col;
	int j;

	getyx(win, row, col);

	if (n < 0) {
	    n = getmaxx(win) + 1 - getcurx(win);
	}
	for (j = 0; j < n; ++j) {
	    wchstr[j] = win->_line[row].text[col + j];
	}
	T(("result = %s", _nc_viscbuf(wchstr, n)));
    } else {
	code = ERR;
    }
    returnCode(code);
}