Function install_file_in_dir

src/install.c:799–836

   Return true if successful.  */

static bool
install_file_in_dir (char const *from, char const *to_dir,
                     const struct cp_options *x, bool mkdir_and_install,
                     int *target_dirfd)
{
  char const *from_base = last_component (from);
  char *to_relname;
  char *to = file_name_concat (to_dir, from_base, &to_relname);
  bool ret = true;

  if (!target_dirfd_valid (*target_dirfd)
      && (ret = mkdir_and_install)
      && (ret = mkancesdirs_safe_wd (from, to, (struct cp_options *) x, true)))
    {
      int fd = open (to_dir, O_PATHSEARCH | O_DIRECTORY);
      if (fd < 0)
        {
          error (0, errno, _("cannot open %s"), quoteaf (to));
          ret = false;
        }
      else
        *target_dirfd = fd;
    }

  if (ret)
    {
      int to_dirfd = *target_dirfd;
      if (!target_dirfd_valid (to_dirfd))
        {
          to_dirfd = AT_FDCWD;
          to_relname = to;
        }
      ret = install_file_in_file (from, to, to_dirfd, to_relname, x);
    }

  free (to);
  return ret;
}

int
main (int argc, char **argv)