| // 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 |
| //~| HELP cast the value to `c_double` |
| printf(::std::ptr::null(), 0i8); |
| //~^ ERROR can't pass `i8` to variadic function |
| //~| HELP cast the value to `c_int` |
| printf(::std::ptr::null(), 0i16); |
| //~^ ERROR can't pass `i16` to variadic function |
| //~| HELP cast the value to `c_int` |
| printf(::std::ptr::null(), 0u8); |
| //~^ ERROR can't pass `u8` to variadic function |
| //~| HELP cast the value to `c_uint` |
| printf(::std::ptr::null(), 0u16); |
| //~^ ERROR can't pass `u16` to variadic function |
| //~| HELP cast the value to `c_uint` |
| printf(::std::ptr::null(), printf); |
| //~^ ERROR can't pass `for<'r> unsafe extern "C" fn(*const i8, std::ffi::VaListImpl<'r>, ...) {printf}` to variadic function |
| //~| HELP cast the value to `for<'r> unsafe extern "C" fn(*const i8, std::ffi::VaListImpl<'r>, ...)` |
| } |
| } |