mirror of
https://git.busybox.net/busybox.git
synced 2024-11-28 08:03:28 +08:00
32 lines
837 B
C
32 lines
837 B
C
/* vi: set sw=4 ts=4: */
|
|
/*
|
|
* Determine the width and height of the terminal.
|
|
*
|
|
* Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
|
|
*
|
|
* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <errno.h>
|
|
#include <fcntl.h>
|
|
#include <unistd.h>
|
|
#include <unistd.h>
|
|
#include <termios.h>
|
|
#include <sys/ioctl.h>
|
|
#include "libbb.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;
|
|
}
|