1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
|
#![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: ()) {}
//~^ too_many_arguments
#[rustfmt::skip]
fn bad_multiline(
//~^ too_many_arguments
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: ());
//~^ too_many_arguments
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: ()) {}
//~^ too_many_arguments
}
// 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 });
//~^ not_unsafe_ptr_arg_deref
println!("{:?}", unsafe { p.as_ref() });
//~^ not_unsafe_ptr_arg_deref
unsafe { std::ptr::read(p) };
//~^ not_unsafe_ptr_arg_deref
}
}
// NOT_UNSAFE_PTR_ARG_DEREF
fn private(p: *const u8) {
println!("{}", unsafe { *p });
}
pub fn public(p: *const u8) {
println!("{}", unsafe { *p });
//~^ not_unsafe_ptr_arg_deref
println!("{:?}", unsafe { p.as_ref() });
//~^ not_unsafe_ptr_arg_deref
unsafe { std::ptr::read(p) };
//~^ not_unsafe_ptr_arg_deref
}
type Alias = *const u8;
pub fn type_alias(p: Alias) {
println!("{}", unsafe { *p });
//~^ not_unsafe_ptr_arg_deref
println!("{:?}", unsafe { p.as_ref() });
//~^ not_unsafe_ptr_arg_deref
unsafe { std::ptr::read(p) };
//~^ not_unsafe_ptr_arg_deref
}
impl Bar {
fn private(self, p: *const u8) {
println!("{}", unsafe { *p });
}
pub fn public(self, p: *const u8) {
println!("{}", unsafe { *p });
//~^ not_unsafe_ptr_arg_deref
println!("{:?}", unsafe { p.as_ref() });
//~^ not_unsafe_ptr_arg_deref
unsafe { std::ptr::read(p) };
//~^ not_unsafe_ptr_arg_deref
}
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() {}
|