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-rw-r--r--libdiskfs/io-stat.c51
1 files changed, 51 insertions, 0 deletions
diff --git a/libdiskfs/io-stat.c b/libdiskfs/io-stat.c
new file mode 100644
index 00000000..e51f6d93
--- /dev/null
+++ b/libdiskfs/io-stat.c
@@ -0,0 +1,51 @@
+/*
+ Copyright (C) 1994, 1995, 1996, 1997 Free Software Foundation
+
+ This program 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.
+
+ This program 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 "priv.h"
+#include "io_S.h"
+#include <string.h>
+
+/* Implement io_stat as described in <hurd/io.defs>. */
+kern_return_t
+diskfs_S_io_stat (struct protid *cred,
+ io_statbuf_t *statbuf)
+{
+ struct node *np;
+
+ if (!cred)
+ return EOPNOTSUPP;
+
+ np = cred->po->np;
+ mutex_lock (&np->lock);
+
+ iohelp_get_conch (&np->conch);
+ if (diskfs_synchronous)
+ diskfs_node_update (np, 1);
+ else
+ diskfs_set_node_times (np);
+
+ bcopy (&np->dn_stat, statbuf, sizeof (struct stat));
+ statbuf->st_mode &= ~(S_IATRANS | S_IROOT);
+ if (fshelp_translated (&np->transbox))
+ statbuf->st_mode |= S_IATRANS;
+ if (cred->po->shadow_root == np || np == diskfs_root_node)
+ statbuf->st_mode |= S_IROOT;
+
+ mutex_unlock (&np->lock);
+
+ return 0;
+}