mirror of
https://github.com/rust-lang/rust-clippy
synced 2024-11-30 16:39:26 +00:00
130 lines
4.2 KiB
Rust
130 lines
4.2 KiB
Rust
#![warn(clippy::all)]
|
||
#![allow(dead_code, unused_unsafe)]
|
||
#![allow(clippy::missing_safety_doc, clippy::uninlined_format_args)]
|
||
|
||
// TOO_MANY_ARGUMENTS
|
||
fn good(_one: u32, _two: u32, _three: &str, _four: bool, _five: f32, _six: f32, _seven: bool) {}
|
||
|
||
fn bad(_one: u32, _two: u32, _three: &str, _four: bool, _five: f32, _six: f32, _seven: bool, _eight: ()) {}
|
||
//~^ ERROR: this function has too many arguments (8/7)
|
||
//~| NOTE: `-D clippy::too-many-arguments` implied by `-D warnings`
|
||
|
||
#[rustfmt::skip]
|
||
fn bad_multiline(
|
||
//~^ ERROR: this function has too many arguments (8/7)
|
||
one: u32,
|
||
two: u32,
|
||
three: &str,
|
||
four: bool,
|
||
five: f32,
|
||
six: f32,
|
||
seven: bool,
|
||
eight: ()
|
||
) {
|
||
let _one = one;
|
||
let _two = two;
|
||
let _three = three;
|
||
let _four = four;
|
||
let _five = five;
|
||
let _six = six;
|
||
let _seven = seven;
|
||
}
|
||
|
||
// don't lint extern fns
|
||
extern "C" fn extern_fn(
|
||
_one: u32,
|
||
_two: u32,
|
||
_three: *const u8,
|
||
_four: bool,
|
||
_five: f32,
|
||
_six: f32,
|
||
_seven: bool,
|
||
_eight: *const std::ffi::c_void,
|
||
) {
|
||
}
|
||
|
||
pub trait Foo {
|
||
fn good(_one: u32, _two: u32, _three: &str, _four: bool, _five: f32, _six: f32, _seven: bool);
|
||
fn bad(_one: u32, _two: u32, _three: &str, _four: bool, _five: f32, _six: f32, _seven: bool, _eight: ());
|
||
//~^ ERROR: this function has too many arguments (8/7)
|
||
|
||
fn ptr(p: *const u8);
|
||
}
|
||
|
||
pub struct Bar;
|
||
|
||
impl Bar {
|
||
fn good_method(_one: u32, _two: u32, _three: &str, _four: bool, _five: f32, _six: f32, _seven: bool) {}
|
||
fn bad_method(_one: u32, _two: u32, _three: &str, _four: bool, _five: f32, _six: f32, _seven: bool, _eight: ()) {}
|
||
//~^ ERROR: this function has too many arguments (8/7)
|
||
}
|
||
|
||
// ok, we don’t want to warn implementations
|
||
impl Foo for Bar {
|
||
fn good(_one: u32, _two: u32, _three: &str, _four: bool, _five: f32, _six: f32, _seven: bool) {}
|
||
fn bad(_one: u32, _two: u32, _three: &str, _four: bool, _five: f32, _six: f32, _seven: bool, _eight: ()) {}
|
||
|
||
fn ptr(p: *const u8) {
|
||
println!("{}", unsafe { *p });
|
||
//~^ ERROR: this public function might dereference a raw pointer but is not marked
|
||
//~| NOTE: `-D clippy::not-unsafe-ptr-arg-deref` implied by `-D warnings`
|
||
println!("{:?}", unsafe { p.as_ref() });
|
||
//~^ ERROR: this public function might dereference a raw pointer but is not marked
|
||
unsafe { std::ptr::read(p) };
|
||
//~^ ERROR: this public function might dereference a raw pointer but is not marked
|
||
}
|
||
}
|
||
|
||
// NOT_UNSAFE_PTR_ARG_DEREF
|
||
|
||
fn private(p: *const u8) {
|
||
println!("{}", unsafe { *p });
|
||
}
|
||
|
||
pub fn public(p: *const u8) {
|
||
println!("{}", unsafe { *p });
|
||
//~^ ERROR: this public function might dereference a raw pointer but is not marked `un
|
||
println!("{:?}", unsafe { p.as_ref() });
|
||
//~^ ERROR: this public function might dereference a raw pointer but is not marked `un
|
||
unsafe { std::ptr::read(p) };
|
||
//~^ ERROR: this public function might dereference a raw pointer but is not marked `un
|
||
}
|
||
|
||
type Alias = *const u8;
|
||
|
||
pub fn type_alias(p: Alias) {
|
||
println!("{}", unsafe { *p });
|
||
//~^ ERROR: this public function might dereference a raw pointer but is not marked `un
|
||
println!("{:?}", unsafe { p.as_ref() });
|
||
//~^ ERROR: this public function might dereference a raw pointer but is not marked `un
|
||
unsafe { std::ptr::read(p) };
|
||
//~^ ERROR: this public function might dereference a raw pointer but is not marked `un
|
||
}
|
||
|
||
impl Bar {
|
||
fn private(self, p: *const u8) {
|
||
println!("{}", unsafe { *p });
|
||
}
|
||
|
||
pub fn public(self, p: *const u8) {
|
||
println!("{}", unsafe { *p });
|
||
//~^ ERROR: this public function might dereference a raw pointer but is not marked
|
||
println!("{:?}", unsafe { p.as_ref() });
|
||
//~^ ERROR: this public function might dereference a raw pointer but is not marked
|
||
unsafe { std::ptr::read(p) };
|
||
//~^ ERROR: this public function might dereference a raw pointer but is not marked
|
||
}
|
||
|
||
pub fn public_ok(self, p: *const u8) {
|
||
if !p.is_null() {
|
||
println!("{:p}", p);
|
||
}
|
||
}
|
||
|
||
pub unsafe fn public_unsafe(self, p: *const u8) {
|
||
println!("{}", unsafe { *p });
|
||
println!("{:?}", unsafe { p.as_ref() });
|
||
}
|
||
}
|
||
|
||
fn main() {}
|