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1 | // Copyright 2017 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 | // ignore-tidy-linelength | |
12 | ||
13 | extern { | |
14 | fn printf(c: *const i8, ...); | |
15 | } | |
16 | ||
17 | fn main() { | |
18 | unsafe { | |
19 | printf(::std::ptr::null(), 0f32); | |
20 | //~^ ERROR can't pass `f32` to variadic function, cast to `c_double` [E0617] | |
21 | printf(::std::ptr::null(), 0i8); | |
22 | //~^ ERROR can't pass `i8` to variadic function, cast to `c_int` [E0617] | |
23 | printf(::std::ptr::null(), 0i16); | |
24 | //~^ ERROR can't pass `i16` to variadic function, cast to `c_int` [E0617] | |
25 | printf(::std::ptr::null(), 0u8); | |
26 | //~^ ERROR can't pass `u8` to variadic function, cast to `c_uint` [E0617] | |
27 | printf(::std::ptr::null(), 0u16); | |
28 | //~^ ERROR can't pass `u16` to variadic function, cast to `c_uint` [E0617] | |
29 | printf(::std::ptr::null(), printf); | |
30 | //~^ ERROR can't pass `unsafe extern "C" fn(*const i8, ...) {printf}` to variadic function, cast to `unsafe extern "C" fn(*const i8, ...)` [E0617] | |
31 | } | |
32 | } |