Description
Rust has moved CStr into libcore and CString into liballoc: rust-lang/rust#94079
As an aside, I'm still fond of the idea of using u8 instead of c_char for this, because there isn't any reason to care about the signedness of C's char in nul-terminated string contexts—if you want to interpret the contents, you need to know the encoding, and the signedness of char doesn't help with that. Exposing c_char at this level just means that more places are exposed to gratuitous platform differences. But it's also true that in practice this issue is just a minor nuisance. Rust already had CStr with c_char, and replacing it with something that uses u8 would create a lot of churn, so keeping it makes sense.
So now that CStr has moved to core in nightly, that eliminates the need for ZStr in rustix, so rustix should switch to using CStr now.