1 use std::borrow::Cow::{Borrowed, Owned};
2 use std::ffi::{c_char, CStr};
6 let data = b"123\xE2\x80\xA6\0";
7 let ptr = data.as_ptr() as *const c_char;
9 assert_eq!(CStr::from_ptr(ptr).to_str(), Ok("123…"));
10 assert_eq!(CStr::from_ptr(ptr).to_string_lossy(), Borrowed("123…"));
12 let data = b"123\xE2\0";
13 let ptr = data.as_ptr() as *const c_char;
15 assert!(CStr::from_ptr(ptr).to_str().is_err());
16 assert_eq!(CStr::from_ptr(ptr).to_string_lossy(), Owned::<str>(format!("123\u{FFFD}")));