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|
error: `extern` fn uses type `[u32]`, which is not FFI-safe
--> $DIR/lint-ctypes-fn.rs:70:33
|
LL | pub extern "C" fn slice_type(p: &[u32]) { }
| ^^^^^^ not FFI-safe
|
= help: consider using a raw pointer instead
= note: slices have no C equivalent
note: the lint level is defined here
--> $DIR/lint-ctypes-fn.rs:2:9
|
LL | #![deny(improper_ctypes_definitions)]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: `extern` fn uses type `str`, which is not FFI-safe
--> $DIR/lint-ctypes-fn.rs:73:31
|
LL | pub extern "C" fn str_type(p: &str) { }
| ^^^^ not FFI-safe
|
= help: consider using `*const u8` and a length instead
= note: string slices have no C equivalent
error: `extern` fn uses type `Box<[u8]>`, which is not FFI-safe
--> $DIR/lint-ctypes-fn.rs:80:34
|
LL | pub extern "C" fn boxed_slice(p: Box<[u8]>) { }
| ^^^^^^^^^ not FFI-safe
|
= note: box cannot be represented as a single pointer
error: `extern` fn uses type `Box<str>`, which is not FFI-safe
--> $DIR/lint-ctypes-fn.rs:83:35
|
LL | pub extern "C" fn boxed_string(p: Box<str>) { }
| ^^^^^^^^ not FFI-safe
|
= note: box cannot be represented as a single pointer
error: `extern` fn uses type `Box<dyn Trait>`, which is not FFI-safe
--> $DIR/lint-ctypes-fn.rs:86:34
|
LL | pub extern "C" fn boxed_trait(p: Box<dyn Trait>) { }
| ^^^^^^^^^^^^^^ not FFI-safe
|
= note: box cannot be represented as a single pointer
error: `extern` fn uses type `char`, which is not FFI-safe
--> $DIR/lint-ctypes-fn.rs:89:32
|
LL | pub extern "C" fn char_type(p: char) { }
| ^^^^ not FFI-safe
|
= help: consider using `u32` or `libc::wchar_t` instead
= note: the `char` type has no C equivalent
error: `extern` fn uses type `i128`, which is not FFI-safe
--> $DIR/lint-ctypes-fn.rs:92:32
|
LL | pub extern "C" fn i128_type(p: i128) { }
| ^^^^ not FFI-safe
|
= note: 128-bit integers don't currently have a known stable ABI
error: `extern` fn uses type `u128`, which is not FFI-safe
--> $DIR/lint-ctypes-fn.rs:95:32
|
LL | pub extern "C" fn u128_type(p: u128) { }
| ^^^^ not FFI-safe
|
= note: 128-bit integers don't currently have a known stable ABI
error: `extern` fn uses type `(i32, i32)`, which is not FFI-safe
--> $DIR/lint-ctypes-fn.rs:98:33
|
LL | pub extern "C" fn tuple_type(p: (i32, i32)) { }
| ^^^^^^^^^^ not FFI-safe
|
= help: consider using a struct instead
= note: tuples have unspecified layout
error: `extern` fn uses type `(i32, i32)`, which is not FFI-safe
--> $DIR/lint-ctypes-fn.rs:101:34
|
LL | pub extern "C" fn tuple_type2(p: I32Pair) { }
| ^^^^^^^ not FFI-safe
|
= help: consider using a struct instead
= note: tuples have unspecified layout
error: `extern` fn uses type `ZeroSize`, which is not FFI-safe
--> $DIR/lint-ctypes-fn.rs:104:32
|
LL | pub extern "C" fn zero_size(p: ZeroSize) { }
| ^^^^^^^^ not FFI-safe
|
= help: consider adding a member to this struct
= note: this struct has no fields
note: the type is defined here
--> $DIR/lint-ctypes-fn.rs:25:1
|
LL | pub struct ZeroSize;
| ^^^^^^^^^^^^^^^^^^^
error: `extern` fn uses type `ZeroSizeWithPhantomData`, which is not FFI-safe
--> $DIR/lint-ctypes-fn.rs:107:40
|
LL | pub extern "C" fn zero_size_phantom(p: ZeroSizeWithPhantomData) { }
| ^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
|
= note: composed only of `PhantomData`
note: the type is defined here
--> $DIR/lint-ctypes-fn.rs:60:1
|
LL | pub struct ZeroSizeWithPhantomData(PhantomData<i32>);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: `extern` fn uses type `PhantomData<bool>`, which is not FFI-safe
--> $DIR/lint-ctypes-fn.rs:110:51
|
LL | pub extern "C" fn zero_size_phantom_toplevel() -> PhantomData<bool> {
| ^^^^^^^^^^^^^^^^^ not FFI-safe
|
= note: composed only of `PhantomData`
error: `extern` fn uses type `fn()`, which is not FFI-safe
--> $DIR/lint-ctypes-fn.rs:115:30
|
LL | pub extern "C" fn fn_type(p: RustFn) { }
| ^^^^^^ not FFI-safe
|
= help: consider using an `extern fn(...) -> ...` function pointer instead
= note: this function pointer has Rust-specific calling convention
error: `extern` fn uses type `fn()`, which is not FFI-safe
--> $DIR/lint-ctypes-fn.rs:118:31
|
LL | pub extern "C" fn fn_type2(p: fn()) { }
| ^^^^ not FFI-safe
|
= help: consider using an `extern fn(...) -> ...` function pointer instead
= note: this function pointer has Rust-specific calling convention
error: `extern` fn uses type `i128`, which is not FFI-safe
--> $DIR/lint-ctypes-fn.rs:123:39
|
LL | pub extern "C" fn transparent_i128(p: TransparentI128) { }
| ^^^^^^^^^^^^^^^ not FFI-safe
|
= note: 128-bit integers don't currently have a known stable ABI
error: `extern` fn uses type `str`, which is not FFI-safe
--> $DIR/lint-ctypes-fn.rs:126:38
|
LL | pub extern "C" fn transparent_str(p: TransparentStr) { }
| ^^^^^^^^^^^^^^ not FFI-safe
|
= help: consider using `*const u8` and a length instead
= note: string slices have no C equivalent
error: `extern` fn uses type `PhantomData<bool>`, which is not FFI-safe
--> $DIR/lint-ctypes-fn.rs:172:43
|
LL | pub extern "C" fn unused_generic2<T>() -> PhantomData<bool> {
| ^^^^^^^^^^^^^^^^^ not FFI-safe
|
= note: composed only of `PhantomData`
error: `extern` fn uses type `Vec<T>`, which is not FFI-safe
--> $DIR/lint-ctypes-fn.rs:185:39
|
LL | pub extern "C" fn used_generic4<T>(x: Vec<T>) { }
| ^^^^^^ not FFI-safe
|
= help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
= note: this struct has unspecified layout
error: `extern` fn uses type `Vec<T>`, which is not FFI-safe
--> $DIR/lint-ctypes-fn.rs:188:41
|
LL | pub extern "C" fn used_generic5<T>() -> Vec<T> {
| ^^^^^^ not FFI-safe
|
= help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
= note: this struct has unspecified layout
error: aborting due to 20 previous errors
|
