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1 | // Copyright 2013 The Rust Project Developers. See the COPYRIGHT |
2 | // file at the top-level directory of this distribution and at | |
3 | // http://rust-lang.org/COPYRIGHT. | |
4 | // | |
5 | // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or | |
6 | // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license | |
7 | // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your | |
8 | // option. This file may not be copied, modified, or distributed | |
9 | // except according to those terms. | |
10 | ||
11 | extern "stdcall" { | |
12 | fn printf(_: *const u8, ...); //~ ERROR: variadic function must have C calling convention | |
13 | } | |
14 | ||
15 | extern { | |
16 | fn foo(f: isize, x: u8, ...); | |
17 | } | |
18 | ||
19 | extern "C" fn bar(f: isize, x: u8) {} | |
20 | ||
21 | fn main() { | |
22 | unsafe { | |
23 | foo(); //~ ERROR: this function takes at least 2 parameters but 0 parameters were supplied | |
24 | foo(1); //~ ERROR: this function takes at least 2 parameters but 1 parameter was supplied | |
25 | ||
26 | let x: unsafe extern "C" fn(f: isize, x: u8) = foo; | |
85aaf69f SL |
27 | //~^ ERROR: mismatched types |
28 | //~| expected `unsafe extern "C" fn(isize, u8)` | |
29 | //~| found `unsafe extern "C" fn(isize, u8, ...)` | |
30 | //~| expected non-variadic fn | |
31 | //~| found variadic function | |
1a4d82fc | 32 | |
c34b1796 | 33 | let y: extern "C" fn(f: isize, x: u8, ...) = bar; |
85aaf69f | 34 | //~^ ERROR: mismatched types |
c34b1796 | 35 | //~| expected `extern "C" fn(isize, u8, ...)` |
85aaf69f SL |
36 | //~| found `extern "C" fn(isize, u8) {bar}` |
37 | //~| expected variadic fn | |
38 | //~| found non-variadic function | |
1a4d82fc JJ |
39 | |
40 | foo(1, 2, 3f32); //~ ERROR: can't pass an f32 to variadic function, cast to c_double | |
41 | foo(1, 2, true); //~ ERROR: can't pass bool to variadic function, cast to c_int | |
42 | foo(1, 2, 1i8); //~ ERROR: can't pass i8 to variadic function, cast to c_int | |
43 | foo(1, 2, 1u8); //~ ERROR: can't pass u8 to variadic function, cast to c_uint | |
44 | foo(1, 2, 1i16); //~ ERROR: can't pass i16 to variadic function, cast to c_int | |
45 | foo(1, 2, 1u16); //~ ERROR: can't pass u16 to variadic function, cast to c_uint | |
46 | } | |
47 | } |