43 lines
1.1 KiB
Rust
43 lines
1.1 KiB
Rust
// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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#![feature(libc, std_misc)]
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extern crate libc;
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use std::ffi::CString;
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mod mlibc {
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use libc::{c_char, c_long, c_longlong};
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extern {
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pub fn atol(x: *const c_char) -> c_long;
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pub fn atoll(x: *const c_char) -> c_longlong;
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}
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}
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fn atol(s: String) -> isize {
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let c = CString::new(s).unwrap();
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unsafe { mlibc::atol(c.as_ptr()) as isize }
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}
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fn atoll(s: String) -> i64 {
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let c = CString::new(s).unwrap();
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unsafe { mlibc::atoll(c.as_ptr()) as i64 }
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}
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pub fn main() {
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assert_eq!(atol("1024".to_string()) * 10, atol("10240".to_string()));
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assert_eq!((atoll("11111111111111111".to_string()) * 10),
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atoll("111111111111111110".to_string()));
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}
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