33 lines
1.4 KiB
Rust
33 lines
1.4 KiB
Rust
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// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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// ignore-tidy-linelength
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extern {
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fn printf(c: *const i8, ...);
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}
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fn main() {
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unsafe {
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printf(::std::ptr::null(), 0f32);
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//~^ ERROR can't pass `f32` to variadic function, cast to `c_double` [E0617]
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printf(::std::ptr::null(), 0i8);
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//~^ ERROR can't pass `i8` to variadic function, cast to `c_int` [E0617]
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printf(::std::ptr::null(), 0i16);
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//~^ ERROR can't pass `i16` to variadic function, cast to `c_int` [E0617]
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printf(::std::ptr::null(), 0u8);
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//~^ ERROR can't pass `u8` to variadic function, cast to `c_uint` [E0617]
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printf(::std::ptr::null(), 0u16);
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//~^ ERROR can't pass `u16` to variadic function, cast to `c_uint` [E0617]
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printf(::std::ptr::null(), printf);
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//~^ ERROR can't pass `unsafe extern "C" fn(*const i8, ...) {printf}` to variadic function, cast to `unsafe extern "C" fn(*const i8, ...)` [E0617]
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}
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}
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