//go:build !test

package main

import (
	"syscall"
	"unsafe"
)

func termSize() (int, int) {
	type winsize struct {
		Rows    uint16
		Cols    uint16
		Xpixels uint16
		Ypixels uint16
	}
	var ws winsize
	_, _, errno := syscall.Syscall(syscall.SYS_IOCTL, uintptr(syscall.Stdout), syscall.TIOCGWINSZ, uintptr(unsafe.Pointer(&ws)))
	if errno != 0 || ws.Cols == 0 || ws.Rows == 0 {
		return 80, 24
	}
	return int(ws.Cols), int(ws.Rows)
}