Function writable_destination

src/copy.c:1404–1410

Return whether DST_DIRFD+DST_RELNAME, with mode MODE, is writable in the sense of 'mv'. Always consider a symbolic link to be writable. */

   is writable in the sense of 'mv'.
   Always consider a symbolic link to be writable.  */
static bool
writable_destination (int dst_dirfd, char const *dst_relname, mode_t mode)
{
  return (S_ISLNK (mode)
          || can_write_any_file ()
          || faccessat (dst_dirfd, dst_relname, W_OK, AT_EACCESS) == 0);
}

static bool
overwrite_ok (struct cp_options const *x, char const *dst_name,