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//! Utilities related to FFI bindings.

/// Minimal and unoptimized `strlen` implementation.
///
/// TODO: Optimize this by reading a `usize` at a time.
#[cfg(not(feature = "std"))]
#[allow(unsafe_code)]
unsafe fn strlen(mut s: *const u8) -> usize {
    let mut len = 0;
    while *s != b'\0' {
        len += 1;
        s = s.add(1);
    }
    len
}

#[cfg(not(feature = "std"))]
mod z_str;

#[cfg(not(feature = "std"))]
pub use z_str::{FromBytesWithNulError, FromVecWithNulError, NulError, ZStr, ZString};

#[cfg(feature = "std")]
pub use std::ffi::{CStr as ZStr, CString as ZString, FromBytesWithNulError, NulError};