tests/ui/lint/lint-temporary-cstring-as-ptr.rs


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// this program is not technically incorrect, but is an obscure enough style to be worth linting
#![deny(temporary_cstring_as_ptr)]

use std::ffi::CString;

macro_rules! mymacro {
    () => {
        let s = CString::new("some text").unwrap().as_ptr();
        //~^ ERROR getting the inner pointer of a temporary `CString`
    }
}

fn main() {
    let s = CString::new("some text").unwrap().as_ptr();
    //~^ ERROR getting the inner pointer of a temporary `CString`
    mymacro!();
}