1 files changed, 42 insertions, 0 deletions
diff --git a/sysdeps/unix/telldir.c b/sysdeps/unix/telldir.c
new file mode 100644
index 0000000000..c473bbc29d
--- /dev/null
+++ b/sysdeps/unix/telldir.c
@@ -0,0 +1,42 @@
+/* Copyright (C) 1991 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C Library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#include <ansidecl.h>
+#include <errno.h>
+#include <stddef.h>
+#include <dirent.h>
+#include <unistd.h>
+#include <sys/types.h>
+
+/* Return the current position of DIRP.  */
+off_t
+DEFUN(telldir, (dirp), DIR *dirp)
+{
+  register off_t pos;
+
+  if (dirp == NULL)
+    {
+      errno = EINVAL;
+      return (off_t) -1;
+    }
+
+  pos = __lseek(dirp->__fd, (off_t) 0, SEEK_CUR);
+  if (pos == (off_t) -1)
+    return (off_t) -1;
+  return pos + (dirp->__size - dirp->__offset);
+}