1 files changed, 62 insertions, 0 deletions
diff --git a/libnetfs/file-get-fs-options.c b/libnetfs/file-get-fs-options.c
new file mode 100644
index 00000000..1a18c72d
--- /dev/null
+++ b/libnetfs/file-get-fs-options.c
@@ -0,0 +1,62 @@
+/* Unparse run-time options
+
+   Copyright (C) 1995, 1996, 1998 Free Software Foundation, Inc.
+
+   This file is part of the GNU Hurd.
+
+   The GNU Hurd is free software; you can redistribute it and/or
+   modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation; either version 2, or (at
+   your option) any later version.
+
+   The GNU Hurd 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
+   General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+#include <errno.h>
+#include <argz.h>
+#include <string.h>
+
+#include "netfs.h"
+#include "fs_S.h"
+
+/* This code is originally from libdiskfs; things surrounded by `#if NOT_YET'
+   are pending libnetfs being fleshed out some more.  */
+
+/* Implement file_get_fs_options as described in <hurd/fs.defs>. */
+error_t
+netfs_S_file_get_fs_options (struct protid *user,
+			     char **data, mach_msg_type_number_t *data_len)
+{
+  error_t err;
+  char *argz = 0;
+  size_t argz_len = 0;
+
+  if (! user)
+    return EOPNOTSUPP;
+
+  err = argz_add (&argz, &argz_len, program_invocation_name);
+  if (! err)
+    {
+#if NOT_YET
+      rwlock_reader_lock (&netfs_fsys_lock);
+#endif
+      err = netfs_append_args (&argz, &argz_len);
+#if NOT_YET
+      rwlock_reader_unlock (&netfs_fsys_lock);
+#endif
+    }
+
+  if (! err)
+    /* Move ARGZ from a malloced buffer into a vm_alloced one.  */
+    err = iohelp_return_malloced_buffer (argz, argz_len, data, data_len);
+  else
+    free (argz);
+
+  return err;
+}