archive_mstring_copy(struct archive_mstring *dest, struct archive_mstring *src)
{
	dest->aes_set = src->aes_set;
	archive_string_copy(&(dest->aes_mbs), &(src->aes_mbs));
	archive_string_copy(&(dest->aes_utf8), &(src->aes_utf8));
	archive_wstring_copy(&(dest->aes_wcs), &(src->aes_wcs));
}