src/test/run-pass/rfcs/rfc-1014.rs

   1 // Copyright 2015 The Rust Project Developers. See the COPYRIGHT
   2 // file at the top-level directory of this distribution and at
   3 // http://rust-lang.org/COPYRIGHT.
   4 //
   5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
   6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
   7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
   8 // option. This file may not be copied, modified, or distributed
   9 // except according to those terms.
  10
  11 // run-pass
  12 #![allow(dead_code)]
  13 // ignore-cloudabi stdout does not map to file descriptor 1 by default
  14 // ignore-wasm32-bare no libc
  15
  16 #![feature(libc)]
  17
  18 extern crate libc;
  19
  20 type DWORD = u32;
  21 type HANDLE = *mut u8;
  22
  23 #[cfg(windows)]
  24 extern "system" {
  25     fn GetStdHandle(which: DWORD) -> HANDLE;
  26     fn CloseHandle(handle: HANDLE) -> i32;
  27 }
  28
  29 #[cfg(windows)]
  30 fn close_stdout() {
  31     const STD_OUTPUT_HANDLE: DWORD = -11i32 as DWORD;
  32     unsafe { CloseHandle(GetStdHandle(STD_OUTPUT_HANDLE)); }
  33 }
  34
  35 #[cfg(not(windows))]
  36 fn close_stdout() {
  37     unsafe { libc::close(1); }
  38 }
  39
  40 fn main() {
  41     close_stdout();
  42     println!("hello world");
  43 }