35 lines
879 B
Rust
35 lines
879 B
Rust
//@run-rustfix
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#![warn(clippy::strlen_on_c_strings)]
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#![allow(dead_code)]
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#![feature(rustc_private)]
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extern crate libc;
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#[allow(unused)]
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use libc::strlen;
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use std::ffi::{CStr, CString};
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fn main() {
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// CString
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let cstring = CString::new("foo").expect("CString::new failed");
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let _ = cstring.as_bytes().len();
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// CStr
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let cstr = CStr::from_bytes_with_nul(b"foo\0").expect("CStr::from_bytes_with_nul failed");
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let _ = cstr.to_bytes().len();
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let _ = cstr.to_bytes().len();
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let pcstr: *const &CStr = &cstr;
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let _ = unsafe { (*pcstr).to_bytes().len() };
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unsafe fn unsafe_identity<T>(x: T) -> T {
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x
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}
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let _ = unsafe { unsafe_identity(cstr).to_bytes().len() };
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let _ = unsafe { unsafe_identity(cstr) }.to_bytes().len();
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let f: unsafe fn(_) -> _ = unsafe_identity;
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let _ = unsafe { f(cstr).to_bytes().len() };
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}
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