Optimize non-overlapping copy in raw_data (#583)

3 years ago · c482c625ef
parent 8bf9faddb3
commit c482c625ef
1 changed files with 1 additions and 1 deletions
--- a/src/ffi_util.rs
+++ b/src/ffi_util.rs
@ -29,8 +29,8 @@ pub(crate) unsafe fn raw_data(ptr: *const c_char, size: usize) -> Option<Vec<u8>
        None
    } else {
        let mut dst = Vec::with_capacity(size);
+        ptr::copy_nonoverlapping(ptr as *const u8, dst.as_mut_ptr(), size);
        dst.set_len(size);
-        ptr::copy(ptr as *const u8, dst.as_mut_ptr(), size);
        Some(dst)
    }
 }