1 files changed, 40 insertions, 0 deletions
diff --git a/sysdeps/posix/rewinddir.c b/sysdeps/posix/rewinddir.c
new file mode 100644
index 0000000000..f8eefea542
--- /dev/null
+++ b/sysdeps/posix/rewinddir.c
@@ -0,0 +1,40 @@
+/* Copyright (C) 1991, 1995-1998, 2005, 2011 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 Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <stddef.h>
+#include <dirent.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <dirstream.h>
+
+/* Rewind DIRP to the beginning of the directory.  */
+void
+rewinddir (dirp)
+     DIR *dirp;
+{
+#ifndef NOT_IN_libc
+  __libc_lock_lock (dirp->lock);
+#endif
+  (void) __lseek (dirp->fd, (off_t) 0, SEEK_SET);
+  dirp->filepos = 0;
+  dirp->offset = 0;
+  dirp->size = 0;
+#ifndef NOT_IN_libc
+  __libc_lock_unlock (dirp->lock);
+#endif
+}
+libc_hidden_def (rewinddir)