1 // Copyright 2012 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
11 // ignore-fast doesn't like extern crate
14 use std::ffi::CString;
17 use libc::{c_char, size_t};
20 #[link_name = "strlen"]
21 pub fn my_strlen(str: *const c_char) -> size_t;
25 fn strlen(str: String) -> uint {
26 // C string is terminated with a zero
27 let s = CString::from_slice(str.as_bytes());
29 mlibc::my_strlen(s.as_ptr()) as uint
34 let len = strlen("Rust".to_string());
35 assert_eq!(len, 4_usize);