diff options
Diffstat (limited to 'src/test/ui/lint/lint-ctypes.stderr')
| -rw-r--r-- | src/test/ui/lint/lint-ctypes.stderr | 262 |
1 files changed, 262 insertions, 0 deletions
diff --git a/src/test/ui/lint/lint-ctypes.stderr b/src/test/ui/lint/lint-ctypes.stderr new file mode 100644 index 000000000..bfec40e19 --- /dev/null +++ b/src/test/ui/lint/lint-ctypes.stderr @@ -0,0 +1,262 @@ +error: `extern` block uses type `Foo`, which is not FFI-safe + --> $DIR/lint-ctypes.rs:48:28 + | +LL | pub fn ptr_type1(size: *const Foo); + | ^^^^^^^^^^ not FFI-safe + | +note: the lint level is defined here + --> $DIR/lint-ctypes.rs:4:9 + | +LL | #![deny(improper_ctypes)] + | ^^^^^^^^^^^^^^^ + = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct + = note: this struct has unspecified layout +note: the type is defined here + --> $DIR/lint-ctypes.rs:26:1 + | +LL | pub struct Foo; + | ^^^^^^^^^^^^^^ + +error: `extern` block uses type `Foo`, which is not FFI-safe + --> $DIR/lint-ctypes.rs:49:28 + | +LL | pub fn ptr_type2(size: *const Foo); + | ^^^^^^^^^^ not FFI-safe + | + = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct + = note: this struct has unspecified layout +note: the type is defined here + --> $DIR/lint-ctypes.rs:26:1 + | +LL | pub struct Foo; + | ^^^^^^^^^^^^^^ + +error: `extern` block uses type `((),)`, which is not FFI-safe + --> $DIR/lint-ctypes.rs:51:25 + | +LL | pub fn ptr_tuple(p: *const ((),)); + | ^^^^^^^^^^^^ not FFI-safe + | + = help: consider using a struct instead + = note: tuples have unspecified layout + +error: `extern` block uses type `[u32]`, which is not FFI-safe + --> $DIR/lint-ctypes.rs:52:26 + | +LL | pub fn slice_type(p: &[u32]); + | ^^^^^^ not FFI-safe + | + = help: consider using a raw pointer instead + = note: slices have no C equivalent + +error: `extern` block uses type `str`, which is not FFI-safe + --> $DIR/lint-ctypes.rs:53:24 + | +LL | pub 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` block uses type `Box<u32>`, which is not FFI-safe + --> $DIR/lint-ctypes.rs:54:24 + | +LL | pub fn box_type(p: Box<u32>); + | ^^^^^^^^ not FFI-safe + | + = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct + = note: this struct has unspecified layout + +error: `extern` block uses type `Option<Box<u32>>`, which is not FFI-safe + --> $DIR/lint-ctypes.rs:55:28 + | +LL | pub fn opt_box_type(p: Option<Box<u32>>); + | ^^^^^^^^^^^^^^^^ not FFI-safe + | + = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum + = note: enum has no representation hint + +error: `extern` block uses type `char`, which is not FFI-safe + --> $DIR/lint-ctypes.rs:57:25 + | +LL | pub 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` block uses type `i128`, which is not FFI-safe + --> $DIR/lint-ctypes.rs:58:25 + | +LL | pub fn i128_type(p: i128); + | ^^^^ not FFI-safe + | + = note: 128-bit integers don't currently have a known stable ABI + +error: `extern` block uses type `u128`, which is not FFI-safe + --> $DIR/lint-ctypes.rs:59:25 + | +LL | pub fn u128_type(p: u128); + | ^^^^ not FFI-safe + | + = note: 128-bit integers don't currently have a known stable ABI + +error: `extern` block uses type `dyn Bar`, which is not FFI-safe + --> $DIR/lint-ctypes.rs:60:26 + | +LL | pub fn trait_type(p: &dyn Bar); + | ^^^^^^^^ not FFI-safe + | + = note: trait objects have no C equivalent + +error: `extern` block uses type `(i32, i32)`, which is not FFI-safe + --> $DIR/lint-ctypes.rs:61:26 + | +LL | pub fn tuple_type(p: (i32, i32)); + | ^^^^^^^^^^ not FFI-safe + | + = help: consider using a struct instead + = note: tuples have unspecified layout + +error: `extern` block uses type `(i32, i32)`, which is not FFI-safe + --> $DIR/lint-ctypes.rs:62:27 + | +LL | pub fn tuple_type2(p: I32Pair); + | ^^^^^^^ not FFI-safe + | + = help: consider using a struct instead + = note: tuples have unspecified layout + +error: `extern` block uses type `ZeroSize`, which is not FFI-safe + --> $DIR/lint-ctypes.rs:63:25 + | +LL | pub 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.rs:22:1 + | +LL | pub struct ZeroSize; + | ^^^^^^^^^^^^^^^^^^^ + +error: `extern` block uses type `ZeroSizeWithPhantomData`, which is not FFI-safe + --> $DIR/lint-ctypes.rs:64:33 + | +LL | pub fn zero_size_phantom(p: ZeroSizeWithPhantomData); + | ^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe + | + = note: composed only of `PhantomData` +note: the type is defined here + --> $DIR/lint-ctypes.rs:45:1 + | +LL | pub struct ZeroSizeWithPhantomData(::std::marker::PhantomData<i32>); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: `extern` block uses type `PhantomData<bool>`, which is not FFI-safe + --> $DIR/lint-ctypes.rs:67:12 + | +LL | -> ::std::marker::PhantomData<bool>; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe + | + = note: composed only of `PhantomData` + +error: `extern` block uses type `fn()`, which is not FFI-safe + --> $DIR/lint-ctypes.rs:68:23 + | +LL | pub 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` block uses type `fn()`, which is not FFI-safe + --> $DIR/lint-ctypes.rs:69:24 + | +LL | pub 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` block uses type `Box<u32>`, which is not FFI-safe + --> $DIR/lint-ctypes.rs:70:28 + | +LL | pub fn fn_contained(p: RustBadRet); + | ^^^^^^^^^^ not FFI-safe + | + = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct + = note: this struct has unspecified layout + +error: `extern` block uses type `i128`, which is not FFI-safe + --> $DIR/lint-ctypes.rs:71:32 + | +LL | pub fn transparent_i128(p: TransparentI128); + | ^^^^^^^^^^^^^^^ not FFI-safe + | + = note: 128-bit integers don't currently have a known stable ABI + +error: `extern` block uses type `str`, which is not FFI-safe + --> $DIR/lint-ctypes.rs:72:31 + | +LL | pub 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` block uses type `Box<u32>`, which is not FFI-safe + --> $DIR/lint-ctypes.rs:73:30 + | +LL | pub fn transparent_fn(p: TransparentBadFn); + | ^^^^^^^^^^^^^^^^ not FFI-safe + | + = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct + = note: this struct has unspecified layout + +error: `extern` block uses type `[u8; 8]`, which is not FFI-safe + --> $DIR/lint-ctypes.rs:74:27 + | +LL | pub fn raw_array(arr: [u8; 8]); + | ^^^^^^^ not FFI-safe + | + = help: consider passing a pointer to the array + = note: passing raw arrays by value is not FFI-safe + +error: `extern` block uses type `Option<UnsafeCell<extern "C" fn()>>`, which is not FFI-safe + --> $DIR/lint-ctypes.rs:76:26 + | +LL | pub fn no_niche_a(a: Option<UnsafeCell<extern fn()>>); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe + | + = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum + = note: enum has no representation hint + +error: `extern` block uses type `Option<UnsafeCell<&i32>>`, which is not FFI-safe + --> $DIR/lint-ctypes.rs:78:26 + | +LL | pub fn no_niche_b(b: Option<UnsafeCell<&i32>>); + | ^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe + | + = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum + = note: enum has no representation hint + +error: `extern` block uses type `u128`, which is not FFI-safe + --> $DIR/lint-ctypes.rs:81:34 + | +LL | pub static static_u128_type: u128; + | ^^^^ not FFI-safe + | + = note: 128-bit integers don't currently have a known stable ABI + +error: `extern` block uses type `u128`, which is not FFI-safe + --> $DIR/lint-ctypes.rs:82:40 + | +LL | pub static static_u128_array_type: [u128; 16]; + | ^^^^^^^^^^ not FFI-safe + | + = note: 128-bit integers don't currently have a known stable ABI + +error: aborting due to 27 previous errors + |