rust/tests/ui/strlen_on_c_strings.rs

17 lines
455 B
Rust
Raw Normal View History

2021-05-18 08:19:56 -05:00
#![warn(clippy::strlen_on_c_strings)]
#![allow(dead_code)]
#![feature(rustc_private)]
extern crate libc;
use std::ffi::{CStr, CString};
fn main() {
// CString
let cstring = CString::new("foo").expect("CString::new failed");
let len = unsafe { libc::strlen(cstring.as_ptr()) };
// CStr
let cstr = CStr::from_bytes_with_nul(b"foo\0").expect("CStr::from_bytes_with_nul failed");
let len = unsafe { libc::strlen(cstr.as_ptr()) };
}