rust/src/test/ui/c-variadic/variadic-ffi-1.rs
2019-04-22 11:31:35 -07:00

29 lines
959 B
Rust

// ignore-arm stdcall isn't supported
// ignore-aarch64 stdcall isn't supported
extern "stdcall" {
fn printf(_: *const u8, ...); //~ ERROR: variadic function must have C or cdecl calling
}
extern {
fn foo(f: isize, x: u8, ...);
}
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
let y: extern "C" fn(f: isize, x: u8, ...) = bar; //~ ERROR mismatched types
foo(1, 2, 3f32); //~ ERROR can't pass
foo(1, 2, true); //~ ERROR can't pass
foo(1, 2, 1i8); //~ ERROR can't pass
foo(1, 2, 1u8); //~ ERROR can't pass
foo(1, 2, 1i16); //~ ERROR can't pass
foo(1, 2, 1u16); //~ ERROR can't pass
}
}