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//@revisions: edition2018 edition2021
//@[edition2018] edition:2018
//@[edition2021] edition:2021
//@[edition2018] check-pass
#![warn(clippy::manual_c_str_literals)]
#![allow(clippy::no_effect)]
use std::ffi::CStr;
macro_rules! cstr {
($s:literal) => {
CStr::from_bytes_with_nul(concat!($s, "\0").as_bytes()).unwrap()
};
}
macro_rules! macro_returns_c_str {
() => {
CStr::from_bytes_with_nul(b"foo\0").unwrap();
};
}
macro_rules! macro_returns_byte_string {
() => {
b"foo\0"
};
}
#[clippy::msrv = "1.76.0"]
fn pre_stabilization() {
CStr::from_bytes_with_nul(b"foo\0");
}
#[clippy::msrv = "1.77.0"]
fn post_stabilization() {
CStr::from_bytes_with_nul(b"foo\0");
//~[edition2021]^ manual_c_str_literals
}
fn main() {
CStr::from_bytes_with_nul(b"foo\0");
//~[edition2021]^ manual_c_str_literals
CStr::from_bytes_with_nul(b"foo\x00");
//~[edition2021]^ manual_c_str_literals
CStr::from_bytes_with_nul(b"foo\0").unwrap();
//~[edition2021]^ manual_c_str_literals
CStr::from_bytes_with_nul(b"foo\\0sdsd\0").unwrap();
//~[edition2021]^ manual_c_str_literals
CStr::from_bytes_with_nul(br"foo\\0sdsd\0").unwrap();
CStr::from_bytes_with_nul(br"foo\x00").unwrap();
CStr::from_bytes_with_nul(br##"foo#a\0"##).unwrap();
unsafe { CStr::from_ptr(b"foo\0".as_ptr().cast()) };
//~[edition2021]^ manual_c_str_literals
unsafe { CStr::from_ptr(b"foo\0".as_ptr() as *const _) };
//~[edition2021]^ manual_c_str_literals
let _: *const _ = b"foo\0".as_ptr();
//~[edition2021]^ manual_c_str_literals
let _: *const _ = "foo\0".as_ptr();
//~[edition2021]^ manual_c_str_literals
let _: *const _ = "foo".as_ptr(); // not a C-string
let _: *const _ = "".as_ptr();
let _: *const _ = b"foo\0".as_ptr().cast::<i8>();
//~[edition2021]^ manual_c_str_literals
let _ = "电脑".as_ptr();
let _ = "电脑\\".as_ptr();
let _ = "电脑\\\0".as_ptr();
//~[edition2021]^ manual_c_str_literals
let _ = "电脑\0".as_ptr();
//~[edition2021]^ manual_c_str_literals
let _ = "电脑\x00".as_ptr();
//~[edition2021]^ manual_c_str_literals
// Macro cases, don't lint:
cstr!("foo");
macro_returns_c_str!();
CStr::from_bytes_with_nul(macro_returns_byte_string!()).unwrap();
}
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