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// Copyright 2013 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
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
//~| expected `unsafe extern "C" fn(isize, u8)`
//~| found `unsafe extern "C" fn(isize, u8, ...)`
//~| expected non-variadic fn
//~| found variadic function
let y: extern "C" fn(f: isize, x: u8, ...) = bar;
//~^ ERROR: mismatched types
//~| expected `extern "C" fn(isize, u8, ...)`
//~| found `extern "C" fn(isize, u8) {bar}`
//~| expected variadic fn
//~| found non-variadic function
foo(1, 2, 3f32); //~ ERROR: can't pass an f32 to variadic function, cast to c_double
foo(1, 2, true); //~ ERROR: can't pass bool to variadic function, cast to c_int
foo(1, 2, 1i8); //~ ERROR: can't pass i8 to variadic function, cast to c_int
foo(1, 2, 1u8); //~ ERROR: can't pass u8 to variadic function, cast to c_uint
foo(1, 2, 1i16); //~ ERROR: can't pass i16 to variadic function, cast to c_int
foo(1, 2, 1u16); //~ ERROR: can't pass u16 to variadic function, cast to c_uint
}
}
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