231 lines
10 KiB
Plaintext
231 lines
10 KiB
Plaintext
warning: `extern` block uses type `Option<TransparentNoNiche>`, which is not FFI-safe
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--> $DIR/clashing-extern-fn.rs:433:55
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LL | fn hidden_niche_transparent_no_niche() -> Option<TransparentNoNiche>;
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
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= help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
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= note: enum has no representation hint
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= note: `#[warn(improper_ctypes)]` on by default
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warning: `extern` block uses type `Option<UnsafeCell<NonZero<usize>>>`, which is not FFI-safe
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--> $DIR/clashing-extern-fn.rs:437:46
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LL | fn hidden_niche_unsafe_cell() -> Option<UnsafeCell<NonZeroUsize>>;
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
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= help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
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= note: enum has no representation hint
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warning: `clash` redeclared with a different signature
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--> $DIR/clashing-extern-fn.rs:14:13
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LL | fn clash(x: u8);
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| --------------- `clash` previously declared here
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...
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LL | fn clash(x: u64);
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| ^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
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= note: expected `unsafe extern "C" fn(u8)`
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found `unsafe extern "C" fn(u64)`
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note: the lint level is defined here
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--> $DIR/clashing-extern-fn.rs:4:9
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LL | #![warn(clashing_extern_declarations)]
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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warning: `extern_link_name` redeclared with a different signature
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--> $DIR/clashing-extern-fn.rs:52:9
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LL | #[link_name = "extern_link_name"]
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| --------------------------------- `extern_link_name` previously declared here
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...
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LL | fn extern_link_name(x: u32);
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
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= note: expected `unsafe extern "C" fn(i16)`
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found `unsafe extern "C" fn(u32)`
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warning: `some_other_extern_link_name` redeclares `some_other_new_name` with a different signature
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--> $DIR/clashing-extern-fn.rs:55:9
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LL | fn some_other_new_name(x: i16);
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| ------------------------------ `some_other_new_name` previously declared here
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...
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LL | #[link_name = "some_other_new_name"]
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
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= note: expected `unsafe extern "C" fn(i16)`
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found `unsafe extern "C" fn(u32)`
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warning: `other_both_names_different` redeclares `link_name_same` with a different signature
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--> $DIR/clashing-extern-fn.rs:59:9
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LL | #[link_name = "link_name_same"]
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| ------------------------------- `link_name_same` previously declared here
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...
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LL | #[link_name = "link_name_same"]
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
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= note: expected `unsafe extern "C" fn(i16)`
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found `unsafe extern "C" fn(u32)`
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warning: `different_mod` redeclared with a different signature
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--> $DIR/clashing-extern-fn.rs:72:9
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LL | fn different_mod(x: u8);
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| ----------------------- `different_mod` previously declared here
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...
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LL | fn different_mod(x: u64);
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| ^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
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= note: expected `unsafe extern "C" fn(u8)`
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found `unsafe extern "C" fn(u64)`
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warning: `variadic_decl` redeclared with a different signature
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--> $DIR/clashing-extern-fn.rs:82:9
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LL | fn variadic_decl(x: u8, ...);
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| ---------------------------- `variadic_decl` previously declared here
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...
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LL | fn variadic_decl(x: u8);
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| ^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
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= note: expected `unsafe extern "C" fn(u8, ...)`
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found `unsafe extern "C" fn(u8)`
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warning: `weigh_banana` redeclared with a different signature
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--> $DIR/clashing-extern-fn.rs:142:13
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LL | fn weigh_banana(count: *const Banana) -> u64;
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| -------------------------------------------- `weigh_banana` previously declared here
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...
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LL | fn weigh_banana(count: *const Banana) -> u64;
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
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= note: expected `unsafe extern "C" fn(*const one::Banana) -> u64`
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found `unsafe extern "C" fn(*const three::Banana) -> u64`
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warning: `draw_point` redeclared with a different signature
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--> $DIR/clashing-extern-fn.rs:171:13
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LL | fn draw_point(p: Point);
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| ----------------------- `draw_point` previously declared here
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...
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LL | fn draw_point(p: Point);
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| ^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
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= note: expected `unsafe extern "C" fn(sameish_members::a::Point)`
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found `unsafe extern "C" fn(sameish_members::b::Point)`
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warning: `origin` redeclared with a different signature
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--> $DIR/clashing-extern-fn.rs:197:13
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LL | fn origin() -> Point3;
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| --------------------- `origin` previously declared here
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...
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LL | fn origin() -> Point3;
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| ^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
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= note: expected `unsafe extern "C" fn() -> same_sized_members_clash::a::Point3`
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found `unsafe extern "C" fn() -> same_sized_members_clash::b::Point3`
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warning: `transparent_incorrect` redeclared with a different signature
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--> $DIR/clashing-extern-fn.rs:220:13
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LL | fn transparent_incorrect() -> T;
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| ------------------------------- `transparent_incorrect` previously declared here
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...
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LL | fn transparent_incorrect() -> isize;
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
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= note: expected `unsafe extern "C" fn() -> T`
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found `unsafe extern "C" fn() -> isize`
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warning: `missing_return_type` redeclared with a different signature
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--> $DIR/clashing-extern-fn.rs:259:13
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LL | fn missing_return_type() -> usize;
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| --------------------------------- `missing_return_type` previously declared here
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...
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LL | fn missing_return_type();
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| ^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
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= note: expected `unsafe extern "C" fn() -> usize`
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found `unsafe extern "C" fn()`
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warning: `non_zero_usize` redeclared with a different signature
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--> $DIR/clashing-extern-fn.rs:277:13
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LL | fn non_zero_usize() -> core::num::NonZeroUsize;
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| ---------------------------------------------- `non_zero_usize` previously declared here
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...
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LL | fn non_zero_usize() -> usize;
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
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= note: expected `unsafe extern "C" fn() -> NonZero<usize>`
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found `unsafe extern "C" fn() -> usize`
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warning: `non_null_ptr` redeclared with a different signature
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--> $DIR/clashing-extern-fn.rs:279:13
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LL | fn non_null_ptr() -> core::ptr::NonNull<usize>;
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| ---------------------------------------------- `non_null_ptr` previously declared here
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...
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LL | fn non_null_ptr() -> *const usize;
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
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= note: expected `unsafe extern "C" fn() -> NonNull<usize>`
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found `unsafe extern "C" fn() -> *const usize`
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warning: `option_non_zero_usize_incorrect` redeclared with a different signature
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--> $DIR/clashing-extern-fn.rs:377:13
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LL | fn option_non_zero_usize_incorrect() -> usize;
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| --------------------------------------------- `option_non_zero_usize_incorrect` previously declared here
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...
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LL | fn option_non_zero_usize_incorrect() -> isize;
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
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= note: expected `unsafe extern "C" fn() -> usize`
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found `unsafe extern "C" fn() -> isize`
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warning: `option_non_null_ptr_incorrect` redeclared with a different signature
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--> $DIR/clashing-extern-fn.rs:379:13
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LL | fn option_non_null_ptr_incorrect() -> *const usize;
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| -------------------------------------------------- `option_non_null_ptr_incorrect` previously declared here
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...
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LL | fn option_non_null_ptr_incorrect() -> *const isize;
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
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= note: expected `unsafe extern "C" fn() -> *const usize`
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found `unsafe extern "C" fn() -> *const isize`
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warning: `hidden_niche_transparent_no_niche` redeclared with a different signature
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--> $DIR/clashing-extern-fn.rs:433:13
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LL | fn hidden_niche_transparent_no_niche() -> usize;
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| ----------------------------------------------- `hidden_niche_transparent_no_niche` previously declared here
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...
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LL | fn hidden_niche_transparent_no_niche() -> Option<TransparentNoNiche>;
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
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= note: expected `unsafe extern "C" fn() -> usize`
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found `unsafe extern "C" fn() -> Option<TransparentNoNiche>`
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warning: `hidden_niche_unsafe_cell` redeclared with a different signature
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--> $DIR/clashing-extern-fn.rs:437:13
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LL | fn hidden_niche_unsafe_cell() -> usize;
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| -------------------------------------- `hidden_niche_unsafe_cell` previously declared here
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...
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LL | fn hidden_niche_unsafe_cell() -> Option<UnsafeCell<NonZeroUsize>>;
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
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= note: expected `unsafe extern "C" fn() -> usize`
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found `unsafe extern "C" fn() -> Option<UnsafeCell<NonZero<usize>>>`
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warning: 19 warnings emitted
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