tests/incremental/foreign.rs

   1 // Test what happens we save incremental compilation state that makes
   2 // use of foreign items. This used to ICE (#34991).
   3 // ignore-sgx no libc
   4
   5 // revisions: rpass1
   6
   7 #![feature(rustc_private)]
   8
   9 extern crate libc;
  10
  11 use std::ffi::CString;
  12
  13 mod mlibc {
  14     use libc::{c_char, c_long, c_longlong};
  15
  16     extern "C" {
  17         pub fn atol(x: *const c_char) -> c_long;
  18         pub fn atoll(x: *const c_char) -> c_longlong;
  19     }
  20 }
  21
  22 fn atol(s: String) -> isize {
  23     let c = CString::new(s).unwrap();
  24     unsafe { mlibc::atol(c.as_ptr()) as isize }
  25 }
  26
  27 fn atoll(s: String) -> i64 {
  28     let c = CString::new(s).unwrap();
  29     unsafe { mlibc::atoll(c.as_ptr()) as i64 }
  30 }
  31
  32 pub fn main() {
  33     assert_eq!(atol("1024".to_string()) * 10, atol("10240".to_string()));
  34     assert_eq!(
  35         (atoll("11111111111111111".to_string()) * 10),
  36         atoll("111111111111111110".to_string())
  37     );
  38 }