mirror of
https://github.com/rust-lang/rust-clippy
synced 2024-12-25 12:33:30 +00:00
130 lines
4.2 KiB
Rust
130 lines
4.2 KiB
Rust
#![warn(clippy::all)]
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#![allow(dead_code, unused_unsafe)]
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#![allow(clippy::missing_safety_doc, clippy::uninlined_format_args)]
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// TOO_MANY_ARGUMENTS
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fn good(_one: u32, _two: u32, _three: &str, _four: bool, _five: f32, _six: f32, _seven: bool) {}
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fn bad(_one: u32, _two: u32, _three: &str, _four: bool, _five: f32, _six: f32, _seven: bool, _eight: ()) {}
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//~^ ERROR: this function has too many arguments (8/7)
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//~| NOTE: `-D clippy::too-many-arguments` implied by `-D warnings`
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#[rustfmt::skip]
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fn bad_multiline(
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//~^ ERROR: this function has too many arguments (8/7)
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one: u32,
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two: u32,
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three: &str,
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four: bool,
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five: f32,
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six: f32,
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seven: bool,
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eight: ()
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) {
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let _one = one;
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let _two = two;
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let _three = three;
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let _four = four;
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let _five = five;
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let _six = six;
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let _seven = seven;
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}
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// don't lint extern fns
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extern "C" fn extern_fn(
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_one: u32,
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_two: u32,
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_three: *const u8,
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_four: bool,
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_five: f32,
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_six: f32,
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_seven: bool,
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_eight: *const std::ffi::c_void,
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) {
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}
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pub trait Foo {
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fn good(_one: u32, _two: u32, _three: &str, _four: bool, _five: f32, _six: f32, _seven: bool);
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fn bad(_one: u32, _two: u32, _three: &str, _four: bool, _five: f32, _six: f32, _seven: bool, _eight: ());
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//~^ ERROR: this function has too many arguments (8/7)
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fn ptr(p: *const u8);
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}
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pub struct Bar;
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impl Bar {
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fn good_method(_one: u32, _two: u32, _three: &str, _four: bool, _five: f32, _six: f32, _seven: bool) {}
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fn bad_method(_one: u32, _two: u32, _three: &str, _four: bool, _five: f32, _six: f32, _seven: bool, _eight: ()) {}
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//~^ ERROR: this function has too many arguments (8/7)
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}
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// ok, we don’t want to warn implementations
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impl Foo for Bar {
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fn good(_one: u32, _two: u32, _three: &str, _four: bool, _five: f32, _six: f32, _seven: bool) {}
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fn bad(_one: u32, _two: u32, _three: &str, _four: bool, _five: f32, _six: f32, _seven: bool, _eight: ()) {}
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fn ptr(p: *const u8) {
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println!("{}", unsafe { *p });
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//~^ ERROR: this public function might dereference a raw pointer but is not marked
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//~| NOTE: `-D clippy::not-unsafe-ptr-arg-deref` implied by `-D warnings`
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println!("{:?}", unsafe { p.as_ref() });
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//~^ ERROR: this public function might dereference a raw pointer but is not marked
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unsafe { std::ptr::read(p) };
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//~^ ERROR: this public function might dereference a raw pointer but is not marked
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}
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}
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// NOT_UNSAFE_PTR_ARG_DEREF
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fn private(p: *const u8) {
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println!("{}", unsafe { *p });
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}
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pub fn public(p: *const u8) {
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println!("{}", unsafe { *p });
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//~^ ERROR: this public function might dereference a raw pointer but is not marked `un
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println!("{:?}", unsafe { p.as_ref() });
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//~^ ERROR: this public function might dereference a raw pointer but is not marked `un
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unsafe { std::ptr::read(p) };
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//~^ ERROR: this public function might dereference a raw pointer but is not marked `un
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}
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type Alias = *const u8;
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pub fn type_alias(p: Alias) {
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println!("{}", unsafe { *p });
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//~^ ERROR: this public function might dereference a raw pointer but is not marked `un
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println!("{:?}", unsafe { p.as_ref() });
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//~^ ERROR: this public function might dereference a raw pointer but is not marked `un
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unsafe { std::ptr::read(p) };
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//~^ ERROR: this public function might dereference a raw pointer but is not marked `un
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}
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impl Bar {
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fn private(self, p: *const u8) {
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println!("{}", unsafe { *p });
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}
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pub fn public(self, p: *const u8) {
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println!("{}", unsafe { *p });
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//~^ ERROR: this public function might dereference a raw pointer but is not marked
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println!("{:?}", unsafe { p.as_ref() });
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//~^ ERROR: this public function might dereference a raw pointer but is not marked
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unsafe { std::ptr::read(p) };
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//~^ ERROR: this public function might dereference a raw pointer but is not marked
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}
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pub fn public_ok(self, p: *const u8) {
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if !p.is_null() {
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println!("{:p}", p);
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}
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}
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pub unsafe fn public_unsafe(self, p: *const u8) {
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println!("{}", unsafe { *p });
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println!("{:?}", unsafe { p.as_ref() });
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}
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}
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fn main() {}
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