// 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 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. #![feature(libc, std_misc)] extern crate libc; use std::ffi::CString; 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) -> isize { let c = CString::new(s).unwrap(); unsafe { mlibc::atol(c.as_ptr()) as isize } } fn atoll(s: String) -> i64 { let c = CString::new(s).unwrap(); unsafe { mlibc::atoll(c.as_ptr()) as i64 } } pub fn main() { assert_eq!(atol("1024".to_string()) * 10, atol("10240".to_string())); assert_eq!((atoll("11111111111111111".to_string()) * 10), atoll("111111111111111110".to_string())); }