//@ run-pass //@ ignore-sgx no libc #![feature(rustc_private)] extern crate libc; use std::ffi::CString; mod mlibc { use libc::{c_char, c_long, c_longlong}; extern "C" { 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()) ); }