// 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>, ...)` } }