64 lines
1.5 KiB
Rust
64 lines
1.5 KiB
Rust
//@revisions: edition2018 edition2021
|
|
//@[edition2018] edition:2018
|
|
//@[edition2021] edition:2021
|
|
#![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() {
|
|
c"foo";
|
|
}
|
|
|
|
fn main() {
|
|
c"foo";
|
|
c"foo";
|
|
c"foo";
|
|
c"foo\\0sdsd";
|
|
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 { c"foo" };
|
|
unsafe { c"foo" };
|
|
let _: *const _ = c"foo".as_ptr();
|
|
let _: *const _ = c"foo".as_ptr();
|
|
let _: *const _ = "foo".as_ptr(); // not a C-string
|
|
let _: *const _ = "".as_ptr();
|
|
let _: *const _ = c"foo".as_ptr().cast::<i8>();
|
|
let _ = "电脑".as_ptr();
|
|
let _ = "电脑\\".as_ptr();
|
|
let _ = c"电脑\\".as_ptr();
|
|
let _ = c"电脑".as_ptr();
|
|
let _ = c"电脑".as_ptr();
|
|
|
|
// Macro cases, don't lint:
|
|
cstr!("foo");
|
|
macro_returns_c_str!();
|
|
CStr::from_bytes_with_nul(macro_returns_byte_string!()).unwrap();
|
|
}
|