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use std::ptr;
use std::ffi;
use std::path::Path;
#[inline]
pub fn copy_memory(src: &[u8], dst: &mut [u8]) {
let len_src = src.len();
assert!(dst.len() >= len_src, format!("dst len {} < src len {}", dst.len(), src.len()));
unsafe {
ptr::copy_nonoverlapping(src.as_ptr(),
dst.as_mut_ptr(),
len_src);
}
}
pub fn path_to_cstring<P: AsRef<Path>>(path: &P) -> Option<ffi::CString> {
path.as_ref().to_str().and_then(|p| ffi::CString::new(p).ok())
}