rust/src/test/ui/variadic/variadic-ffi-3.rs
2018-12-25 21:08:33 -07:00

32 lines
1.2 KiB
Rust

extern {
fn foo(f: isize, x: u8, ...);
//~^ defined here
//~| defined here
}
extern "C" fn bar(f: isize, x: u8) {}
fn main() {
unsafe {
foo(); //~ ERROR: this function takes at least 2 parameters but 0 parameters were supplied
foo(1); //~ ERROR: this function takes at least 2 parameters but 1 parameter was supplied
let x: unsafe extern "C" fn(f: isize, x: u8) = foo;
//~^ ERROR: mismatched types
//~| expected type `unsafe extern "C" fn(isize, u8)`
//~| found type `unsafe extern "C" fn(isize, u8, ...) {foo}`
let y: extern "C" fn(f: isize, x: u8, ...) = bar;
//~^ ERROR: mismatched types
//~| expected type `extern "C" fn(isize, u8, ...)`
//~| found type `extern "C" fn(isize, u8) {bar}`
foo(1, 2, 3f32); //~ ERROR can't pass `f32` to variadic function
foo(1, 2, true); //~ ERROR can't pass `bool` to variadic function
foo(1, 2, 1i8); //~ ERROR can't pass `i8` to variadic function
foo(1, 2, 1u8); //~ ERROR can't pass `u8` to variadic function
foo(1, 2, 1i16); //~ ERROR can't pass `i16` to variadic function
foo(1, 2, 1u16); //~ ERROR can't pass `u16` to variadic function
}
}