79 lines
1.8 KiB
Rust
79 lines
1.8 KiB
Rust
#![deny(unsafe_op_in_unsafe_fn)]
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#![deny(unused_unsafe)]
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unsafe fn unsf() {}
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const PTR: *const () = std::ptr::null();
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static mut VOID: () = ();
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unsafe fn deny_level() {
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unsf();
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//~^ ERROR call to unsafe function `unsf` is unsafe and requires unsafe block
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*PTR;
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//~^ ERROR dereference of raw pointer is unsafe and requires unsafe block
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VOID = ();
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//~^ ERROR use of mutable static is unsafe and requires unsafe block
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unsafe {}
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//~^ ERROR unnecessary `unsafe` block
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}
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// Check that `unsafe_op_in_unsafe_fn` works starting from the `warn` level.
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#[warn(unsafe_op_in_unsafe_fn)]
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#[deny(warnings)]
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unsafe fn warning_level() {
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unsf();
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//~^ ERROR call to unsafe function `unsf` is unsafe and requires unsafe block
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*PTR;
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//~^ ERROR dereference of raw pointer is unsafe and requires unsafe block
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VOID = ();
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//~^ ERROR use of mutable static is unsafe and requires unsafe block
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unsafe {}
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//~^ ERROR unnecessary `unsafe` block
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}
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unsafe fn explicit_block() {
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// no error
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unsafe {
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unsf();
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*PTR;
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VOID = ();
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}
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}
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unsafe fn two_explicit_blocks() {
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unsafe { unsafe { unsf() } }
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//~^ ERROR unnecessary `unsafe` block
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}
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#[allow(unsafe_op_in_unsafe_fn)]
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unsafe fn allow_level() {
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// lint allowed -> no error
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unsf();
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*PTR;
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VOID = ();
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unsafe { unsf() }
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}
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unsafe fn nested_allow_level() {
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#[allow(unsafe_op_in_unsafe_fn)]
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{
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// lint allowed -> no error
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unsf();
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*PTR;
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VOID = ();
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unsafe { unsf() }
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}
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}
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fn main() {
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unsf();
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//~^ ERROR call to unsafe function `unsf` is unsafe and requires unsafe block
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#[allow(unsafe_op_in_unsafe_fn)]
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{
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unsf();
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//~^ ERROR call to unsafe function `unsf` is unsafe and requires unsafe function or block
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}
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}
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