+
+int
+do_is_dir (const char *path)
+{
+ int r;
+ struct stat buf;
+
+ NEED_ROOT (-1);
+ ABS_PATH (path, -1);
+
+ CHROOT_IN;
+ r = lstat (path, &buf);
+ CHROOT_OUT;
+
+ if (r == -1) {
+ if (errno != ENOENT && errno != ENOTDIR) {
+ reply_with_perror ("stat: %s", path);
+ return -1;
+ }
+ else
+ return 0; /* Not a directory. */
+ }
+
+ return S_ISDIR (buf.st_mode);
+}