From f311cedf0b66b77f375fee514c0861b4605f4c59 Mon Sep 17 00:00:00 2001 From: Miles Bader Date: Mon, 6 Nov 1995 20:18:30 +0000 Subject: Initial revision --- libdiskfs/file-get-fs-opts.c | 51 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 libdiskfs/file-get-fs-opts.c (limited to 'libdiskfs/file-get-fs-opts.c') diff --git a/libdiskfs/file-get-fs-opts.c b/libdiskfs/file-get-fs-opts.c new file mode 100644 index 00000000..9844801e --- /dev/null +++ b/libdiskfs/file-get-fs-opts.c @@ -0,0 +1,51 @@ +/* Get run-time file system options + + Copyright (C) 1995 Free Software Foundation, Inc. + + Written by Miles Bader + + 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 + +#include "priv.h" + +error_t +diskfs_S_file_get_fs_options (struct protid *cred, + char **data, unsigned *data_len) +{ + error_t err; + char *argz; + + if (!cred) + return EOPNOTSUPP; + + rwlock_reader_lock (&diskfs_fsys_lock); + err = diskfs_get_options (&argz, data_len); + rwlock_reader_unlock (&diskfs_fsys_lock); + + if (!err) + /* Move ARGZ from a malloced buffer into a vm_alloced one. */ + { + err = vm_allocate (mach_task_self (), (vm_address_t *)data, data_len, 1); + if (!err) + bcopy (argz, *data, *data_len); + free (argz); + } + + return err; +} -- cgit v1.2.3