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-rw-r--r--libnetfs/io-pathconf.c69
1 files changed, 69 insertions, 0 deletions
diff --git a/libnetfs/io-pathconf.c b/libnetfs/io-pathconf.c
new file mode 100644
index 00000000..78244bcd
--- /dev/null
+++ b/libnetfs/io-pathconf.c
@@ -0,0 +1,69 @@
+/*
+ Copyright (C) 1999 Free Software Foundation, Inc.
+ Written by Thomas Bushnell, BSG.
+
+ 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., 59 Temple Place - Suite 330, Boston, MA 02111, USA. */
+
+#include <unistd.h>
+#include "netfs.h"
+#include "io_S.h"
+
+
+error_t
+netfs_S_io_pathconf (struct protid *user,
+ int name,
+ int *value)
+{
+ if (!user)
+ return EOPNOTSUPP;
+
+ switch (name)
+ {
+ case _PC_LINK_MAX:
+ case _PC_MAX_CANON:
+ case _PC_MAX_INPUT:
+ case _PC_PIPE_BUF:
+ case _PC_VDISABLE:
+ case _PC_SOCK_MAXBUF:
+ *value = -1;
+ break;
+
+ case _PC_NAME_MAX:
+ *value = 1024; /* see <hurd/hurd_types.defs> string_t */
+ break;
+
+ case _PC_CHOWN_RESTRICTED:
+ case _PC_NO_TRUNC: /* look at string_t trunc behavior in MiG */
+ *value = 1;
+ break;
+
+ case _PC_PRIO_IO:
+ case _PC_SYNC_IO:
+ case _PC_ASYNC_IO:
+ *value = 0;
+ break;
+
+ case _PC_FILESIZEBITS:
+ *value = 32;
+ break;
+
+ default:
+ return EINVAL;
+ }
+
+ return 0;
+}