| // 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 "stdcall" { |
| fn printf(_: *const u8, ...); //~ ERROR: variadic function must have C calling convention |
| } |
| |
| extern { |
| fn foo(f: isize, x: u8, ...); |
| } |
| |
| extern "C" fn bar(f: isize, x: u8) {} |
| |
| fn main() { |
| // errors below are no longer checked because error above aborts |
| // compilation; see variadic-ffi-3.rs for corresponding test. |
| unsafe { |
| foo(); |
| foo(1); |
| |
| let x: unsafe extern "C" fn(f: isize, x: u8) = foo; |
| let y: extern "C" fn(f: isize, x: u8, ...) = bar; |
| |
| foo(1, 2, 3f32); |
| foo(1, 2, true); |
| foo(1, 2, 1i8); |
| foo(1, 2, 1u8); |
| foo(1, 2, 1i16); |
| foo(1, 2, 1u16); |
| } |
| } |