rust/src/test/run-pass/c-stack-returning-int64.rs
2014-06-28 11:53:58 -07:00

37 lines
1.1 KiB
Rust

// Copyright 2012 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 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
// ignore-fast doesn't like extern crate
extern crate libc;
mod mlibc {
use libc::{c_char, c_long, c_longlong};
extern {
pub fn atol(x: *const c_char) -> c_long;
pub fn atoll(x: *const c_char) -> c_longlong;
}
}
fn atol(s: String) -> int {
s.as_slice().with_c_str(|x| unsafe { mlibc::atol(x) as int })
}
fn atoll(s: String) -> i64 {
s.as_slice().with_c_str(|x| unsafe { mlibc::atoll(x) as i64 })
}
pub fn main() {
assert_eq!(atol("1024".to_string()) * 10, atol("10240".to_string()));
assert!((atoll("11111111111111111".to_string()) * 10) ==
atoll("111111111111111110".to_string()));
}