Function clear_bytes

src/lib.rs:41–47

(ptr: *mut u8, len: usize)

#[cfg(not(feature = "reference_impl"))]
unsafe fn clear_bytes(ptr: *mut u8, len: usize) {
    // We expect this to optimize into a `memset` for performance. Due to this function only being used via `read_volatile`,
    // the compiler doesn't know that the slice this function will be wiping is about to be destroyed anyway.
    //
    // SAFETY: The caller must only pass a valid allocated object.
    ptr.write_bytes(0x0, len);
}

// This is meant to avoid compiler optimizations while still retaining performance.
//