diff options
Diffstat (limited to 'shm/dconf-shm-nfs-check.c')
-rw-r--r-- | shm/dconf-shm-nfs-check.c | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/shm/dconf-shm-nfs-check.c b/shm/dconf-shm-nfs-check.c new file mode 100644 index 0000000..7f1b199 --- /dev/null +++ b/shm/dconf-shm-nfs-check.c @@ -0,0 +1,63 @@ +/* + * Copyright © 2012 Canonical Limited + * + * This 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 of the licence, or (at your option) any later version. + * + * This 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 this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + * + * Author: Ryan Lortie <desrt@desrt.ca> + */ + +#include "dconf-shm.h" + +#include <glib.h> + +#include <sys/statfs.h> + +#ifndef ECRYPTFS_SUPER_MAGIC +#define ECRYPTFS_SUPER_MAGIC 0xf15f +#endif + +#ifndef NFS_SUPER_MAGIC +#define NFS_SUPER_MAGIC 0x6969 +#endif + +/* returns TRUE if the filesystem is capable */ +static gboolean +dconf_shm_check (const gchar *filename) +{ + struct statfs buf; + + if (statfs (filename, &buf) != 0) + return FALSE; + + return buf.f_type != NFS_SUPER_MAGIC && buf.f_type != ECRYPTFS_SUPER_MAGIC; +} + +gboolean +dconf_shm_homedir_is_native (void) +{ + static gsize homedir_is_native; + + if (g_once_init_enter (&homedir_is_native)) + { + gboolean is_native; + + is_native = dconf_shm_check (g_get_home_dir ()); + + g_once_init_leave (&homedir_is_native, is_native + 1); + } + + return homedir_is_native - 1; +} |