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#![crate_type = "cdylib"]
extern "C" {
fn observe(ptr: *const u8, len: usize);
}
macro_rules! s {
( $( $f:ident -> $t:ty );* $(;)* ) => {
$(
extern "C" {
fn $f() -> $t;
}
let s = $f().to_string();
observe(s.as_ptr(), s.len());
)*
};
}
#[no_mangle]
pub unsafe extern "C" fn foo() {
s! {
get_u8 -> u8;
get_i8 -> i8;
get_u16 -> u16;
get_i16 -> i16;
get_u32 -> u32;
get_i32 -> i32;
get_u64 -> u64;
get_i64 -> i64;
get_usize -> usize;
get_isize -> isize;
}
}
|
