user0/rust
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Add E0617

Browse source
This commit is contained in:
Guillaume Gomez 2017-06-13 21:37:13 +02:00
parent 03abb1bd70
commit a5dc963974
4 changed files with 70 additions and 27 deletions
Download patch file Download diff file Expand all files Collapse all files

32
src/test/compile-fail/E0617.rs Normal file
View file

@ -0,0 +1,32 @@
// Copyright 2017 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.
// ignore-tidy-linelength
extern {
fn printf(c: *const i8, ...);
}
fn main() {
unsafe {
printf(::std::ptr::null(), 0f32);
//~^ ERROR can't pass `f32` to variadic function, cast to `c_double` [E0617]
printf(::std::ptr::null(), 0i8);
//~^ ERROR can't pass `i8` to variadic function, cast to `c_int` [E0617]
printf(::std::ptr::null(), 0i16);
//~^ ERROR can't pass `i16` to variadic function, cast to `c_int` [E0617]
printf(::std::ptr::null(), 0u8);
//~^ ERROR can't pass `u8` to variadic function, cast to `c_uint` [E0617]
printf(::std::ptr::null(), 0u16);
//~^ ERROR can't pass `u16` to variadic function, cast to `c_uint` [E0617]
printf(::std::ptr::null(), printf);
//~^ ERROR can't pass `unsafe extern "C" fn(*const i8, ...) {printf}` to variadic function, cast to `unsafe extern "C" fn(*const i8, ...)` [E0617]
}
}

12
src/test/compile-fail/variadic-ffi-3.rs
View file

@ -35,11 +35,11 @@ fn main() {
//~| found type `extern "C" fn(isize, u8) {bar}`
//~| NOTE: 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`
foo(1, 2, 3f32); //~ ERROR can't pass `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`
}
}