Eric Andersen | 8efe967 | 2003-09-15 08:33:45 +0000 | [diff] [blame] | 1 | /* vi: set sw=4 ts=4: */ |
| 2 | /* |
| 3 | * Determine the width and height of the terminal. |
| 4 | * |
Eric Andersen | c7bda1c | 2004-03-15 08:29:22 +0000 | [diff] [blame^] | 5 | * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org> |
Eric Andersen | 8efe967 | 2003-09-15 08:33:45 +0000 | [diff] [blame] | 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of the GNU General Public License as published by |
| 9 | * the Free Software Foundation; either version 2 of the License, or |
| 10 | * (at your option) any later version. |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 15 | * General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License |
| 18 | * along with this program; if not, write to the Free Software |
| 19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 20 | */ |
| 21 | |
| 22 | #include <stdio.h> |
| 23 | #include <errno.h> |
| 24 | #include <fcntl.h> |
| 25 | #include <unistd.h> |
| 26 | #include <unistd.h> |
| 27 | #include <termios.h> |
| 28 | #include <sys/ioctl.h> |
| 29 | #include "busybox.h" |
| 30 | |
| 31 | /* It is perfectly ok to pass in a NULL for either width or for |
| 32 | * height, in which case that value will not be set. It is also |
Eric Andersen | c7bda1c | 2004-03-15 08:29:22 +0000 | [diff] [blame^] | 33 | * perfectly ok to have CONFIG_FEATURE_AUTOWIDTH disabled, in |
Eric Andersen | 8efe967 | 2003-09-15 08:33:45 +0000 | [diff] [blame] | 34 | * which case you will always get 80x24 */ |
| 35 | void get_terminal_width_height(int fd, int *width, int *height) |
| 36 | { |
| 37 | struct winsize win = { 0, 0, 0, 0 }; |
| 38 | #ifdef CONFIG_FEATURE_AUTOWIDTH |
| 39 | if (ioctl(0, TIOCGWINSZ, &win) != 0) { |
| 40 | win.ws_row = 24; |
| 41 | win.ws_col = 80; |
| 42 | } |
| 43 | #endif |
| 44 | if (win.ws_row <= 1) { |
| 45 | win.ws_row = 24; |
| 46 | } |
| 47 | if (win.ws_col <= 1) { |
| 48 | win.ws_col = 80; |
| 49 | } |
| 50 | if (height) { |
| 51 | *height = (int) win.ws_row; |
| 52 | } |
| 53 | if (width) { |
| 54 | *width = (int) win.ws_col; |
| 55 | } |
| 56 | } |
| 57 | |
| 58 | /* END CODE */ |
| 59 | /* |
| 60 | Local Variables: |
| 61 | c-file-style: "linux" |
| 62 | c-basic-offset: 4 |
| 63 | tab-width: 4 |
| 64 | End: |
| 65 | */ |
| 66 | |