// Copyright 2012-2014 The Rust Project Developers. See the COPYRIGHT // file at the top-level directory of this distribution and at // http://rust-lang.org/COPYRIGHT. // // Licensed under the Apache License, Version 2.0 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. // pretty-expanded FIXME #23616 #![feature(old_io, io)] use std::env; use std::process::Command; use std::io::{self, Write}; fn main() { let mut args = env::args(); if args.len() > 1 { let mut out = io::stdout(); out.write(&['a' as u8; 128 * 1024]).unwrap(); } else { let out = Command::new(&args.next().unwrap()).arg("child").output(); let out = out.unwrap(); assert!(out.status.success()); } }