/
c_naming.rs
96 lines (95 loc) · 2.18 KB
/
c_naming.rs
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#![allow(
dead_code,
non_snake_case,
non_camel_case_types,
non_upper_case_globals
)]
#[repr(C)]
#[derive(Debug, Default, Copy, Clone)]
pub struct struct_a {
pub a: ::std::os::raw::c_int,
}
#[test]
fn bindgen_test_layout_struct_a() {
assert_eq!(
::std::mem::size_of::<struct_a>(),
4usize,
concat!("Size of: ", stringify!(struct_a))
);
assert_eq!(
::std::mem::align_of::<struct_a>(),
4usize,
concat!("Alignment of ", stringify!(struct_a))
);
assert_eq!(
unsafe { &(*(::std::ptr::null::<struct_a>())).a as *const _ as usize },
0usize,
concat!(
"Offset of field: ",
stringify!(struct_a),
"::",
stringify!(a)
)
);
}
pub type a = *const struct_a;
#[repr(C)]
#[derive(Copy, Clone)]
pub union union_b {
pub a: ::std::os::raw::c_int,
pub b: ::std::os::raw::c_int,
}
#[test]
fn bindgen_test_layout_union_b() {
assert_eq!(
::std::mem::size_of::<union_b>(),
4usize,
concat!("Size of: ", stringify!(union_b))
);
assert_eq!(
::std::mem::align_of::<union_b>(),
4usize,
concat!("Alignment of ", stringify!(union_b))
);
assert_eq!(
unsafe { &(*(::std::ptr::null::<union_b>())).a as *const _ as usize },
0usize,
concat!(
"Offset of field: ",
stringify!(union_b),
"::",
stringify!(a)
)
);
assert_eq!(
unsafe { &(*(::std::ptr::null::<union_b>())).b as *const _ as usize },
0usize,
concat!(
"Offset of field: ",
stringify!(union_b),
"::",
stringify!(b)
)
);
}
impl Default for union_b {
fn default() -> Self {
let mut s = ::std::mem::MaybeUninit::<Self>::uninit();
unsafe {
::std::ptr::write_bytes(s.as_mut_ptr(), 0, 1);
s.assume_init()
}
}
}
pub type b = union_b;
pub const enum_c_A: enum_c = 0;
pub type enum_c = ::std::os::raw::c_uint;
extern "C" {
pub fn takes_a(arg: a);
}
extern "C" {
pub fn takes_b(arg: b);
}
extern "C" {
pub fn takes_c(arg: enum_c);
}