mirror of https://github.com/rust-lang/rust
78 lines
3.0 KiB
Rust
78 lines
3.0 KiB
Rust
//@ run-rustfix
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//@ aux-build:external_unsafe_macro.rs
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#![deny(unsafe_op_in_unsafe_fn)] //~ NOTE
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#![crate_name = "wrapping_unsafe_block_sugg"]
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extern crate external_unsafe_macro;
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unsafe fn unsf() {}
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pub unsafe fn foo() { unsafe {
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//~^ NOTE an unsafe function restricts its caller, but its body is safe by default
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unsf(); //~ ERROR call to unsafe function `unsf` is unsafe
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//~^ NOTE call to unsafe function
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//~| NOTE for more information, see issue #71668
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//~| NOTE consult the function's documentation
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unsf(); //~ ERROR call to unsafe function `unsf` is unsafe
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//~^ NOTE call to unsafe function
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//~| NOTE for more information, see issue #71668
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//~| NOTE consult the function's documentation
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}}
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pub unsafe fn bar(x: *const i32) -> i32 { unsafe {
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//~^ NOTE an unsafe function restricts its caller, but its body is safe by default
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let y = *x; //~ ERROR dereference of raw pointer is unsafe and requires unsafe block
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//~^ NOTE dereference of raw pointer
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//~| NOTE for more information, see issue #71668
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//~| NOTE raw pointers may be null
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y + *x //~ ERROR dereference of raw pointer is unsafe and requires unsafe block
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//~^ NOTE dereference of raw pointer
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//~| NOTE for more information, see issue #71668
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//~| NOTE raw pointers may be null
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}}
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static mut BAZ: i32 = 0;
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pub unsafe fn baz() -> i32 { unsafe {
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//~^ NOTE an unsafe function restricts its caller, but its body is safe by default
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let y = BAZ; //~ ERROR use of mutable static is unsafe and requires unsafe block
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//~^ NOTE use of mutable static
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//~| NOTE for more information, see issue #71668
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//~| NOTE mutable statics can be mutated by multiple threads
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y + BAZ //~ ERROR use of mutable static is unsafe and requires unsafe block
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//~^ NOTE use of mutable static
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//~| NOTE for more information, see issue #71668
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//~| NOTE mutable statics can be mutated by multiple threads
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}}
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macro_rules! unsafe_macro { () => (unsf()) }
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//~^ ERROR call to unsafe function `unsf` is unsafe
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//~| NOTE call to unsafe function
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//~| NOTE for more information, see issue #71668
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//~| NOTE consult the function's documentation
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//~| ERROR call to unsafe function `unsf` is unsafe
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//~| NOTE call to unsafe function
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//~| NOTE for more information, see issue #71668
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//~| NOTE consult the function's documentation
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pub unsafe fn unsafe_in_macro() { unsafe {
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//~^ NOTE an unsafe function restricts its caller, but its body is safe by default
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unsafe_macro!();
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//~^ NOTE in this expansion
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//~| NOTE in this expansion
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//~| NOTE in this expansion
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unsafe_macro!();
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//~^ NOTE in this expansion
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//~| NOTE in this expansion
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//~| NOTE in this expansion
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}}
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pub unsafe fn unsafe_in_external_macro() {
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// FIXME: https://github.com/rust-lang/rust/issues/112504
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// FIXME: ~^ NOTE an unsafe function restricts its caller, but its body is safe by default
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external_unsafe_macro::unsafe_macro!();
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external_unsafe_macro::unsafe_macro!();
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}
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fn main() {}
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