/* vi: set sw=4 ts=4: */ /* * Determine the width and height of the terminal. * * Copyright (C) 1999-2004 by Erik Andersen * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include #include #include #include #include #include #include #include "busybox.h" /* It is perfectly ok to pass in a NULL for either width or for * height, in which case that value will not be set. */ int get_terminal_width_height(int fd, int *width, int *height) { struct winsize win = { 0, 0, 0, 0 }; int ret = ioctl(fd, TIOCGWINSZ, &win); if (win.ws_row <= 1) win.ws_row = 24; if (win.ws_col <= 1) win.ws_col = 80; if (height) *height = (int) win.ws_row; if (width) *width = (int) win.ws_col; return ret; } /* END CODE */ /* Local Variables: c-file-style: "linux" c-basic-offset: 4 tab-width: 4 End: */