1 files changed, 130 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/mach/hurd/opendir.c b/REORG.TODO/sysdeps/mach/hurd/opendir.c
new file mode 100644
index 0000000000..b3dab24da1
--- /dev/null
+++ b/REORG.TODO/sysdeps/mach/hurd/opendir.c
@@ -0,0 +1,130 @@
+/* Copyright (C) 1993-2017 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 <errno.h>
+#include <limits.h>
+#include <stddef.h>
+#include <stdlib.h>
+#include <string.h>
+#include <dirent.h>
+#include <fcntl.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <hurd.h>
+#include <hurd/fd.h>
+#include <not-cancel.h>
+#include "dirstream.h"
+
+
+/* Open a directory stream on a file descriptor in Hurd internal form.
+   We do no checking here on the descriptor.  */
+DIR *
+_hurd_fd_opendir (struct hurd_fd *d)
+{
+  DIR *dirp;
+
+  if (d == NULL)
+    {
+      errno = EBADF;
+      return NULL;
+    }
+
+  dirp = (DIR *) malloc (sizeof (DIR));
+  if (dirp == NULL)
+    return NULL;
+
+  /* Set the descriptor to close on exec. */
+  HURD_CRITICAL_BEGIN;
+  __spin_lock (&d->port.lock);
+  d->flags |= FD_CLOEXEC;
+  __spin_unlock (&d->port.lock);
+  HURD_CRITICAL_END;
+
+  dirp->__fd = d;
+  dirp->__data = dirp->__ptr = NULL;
+  dirp->__entry_data = dirp->__entry_ptr = 0;
+  dirp->__allocation = 0;
+  dirp->__size = 0;
+
+  __libc_lock_init (dirp->__lock);
+
+  return dirp;
+}
+
+
+DIR *
+internal_function
+__opendirat (int dfd, const char *name)
+{
+  if (name[0] == '\0')
+    {
+      /* POSIX.1-1990 says an empty name gets ENOENT;
+	 but `open' might like it fine.  */
+      __set_errno (ENOENT);
+      return NULL;
+    }
+
+  int flags = O_RDONLY | O_NONBLOCK | O_DIRECTORY | O_CLOEXEC;
+  int fd;
+#if IS_IN (rtld)
+  assert (dfd == AT_FDCWD);
+  fd = open_not_cancel_2 (name, flags);
+#else
+  fd = openat_not_cancel_3 (dfd, name, flags);
+#endif
+  if (fd < 0)
+    return NULL;
+
+  /* Extract the pointer to the descriptor structure.  */
+  DIR *dirp = _hurd_fd_opendir (_hurd_fd_get (fd));
+  if (dirp == NULL)
+    __close (fd);
+
+  return dirp;
+}
+
+
+/* Open a directory stream on NAME.  */
+DIR *
+__opendir (const char *name)
+{
+#if 0 /* TODO.  */
+  return __opendirat (AT_FDCWD, name);
+#else
+  if (name[0] == '\0')
+    {
+      /* POSIX.1-1990 says an empty name gets ENOENT;
+	 but `open' might like it fine.  */
+      __set_errno (ENOENT);
+      return NULL;
+    }
+
+  int fd = __open (name, O_RDONLY | O_NONBLOCK | O_DIRECTORY);
+  if (fd < 0)
+    return NULL;
+
+  /* Extract the pointer to the descriptor structure.  */
+  DIR *dirp = _hurd_fd_opendir (_hurd_fd_get (fd));
+  if (dirp == NULL)
+    __close (fd);
+
+  return dirp;
+#endif
+}
+weak_alias (__opendir, opendir)