Merge procfs into the Hurd repository

1 files changed, 29 insertions, 0 deletions

diff --git a/procfs/dircat.h b/procfs/dircat.h
new file mode 100644
index 00000000..4177b384
--- /dev/null
+++ b/procfs/dircat.h
@@ -0,0 +1,29 @@
+/* Hurd /proc filesystem, concatenation of two directories.
+   Copyright (C) 2010 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. */
+
+/* Append the contents of NUM_DIRS directories.  DIRS is an array of
+   directory nodes.  One reference is consumed for each of them. If a
+   memory allocation error occurs, or if one of the directories is a
+   NULL pointer, the references are dropped immediately and NULL is
+   returned.  The given DIRS array is duplicated and can therefore be
+   allocated on the caller's stack.  Strange things will happen if some
+   elements of DIRS have entries with the same name or if one of them is
+   not a directory.  */
+struct node *
+dircat_make_node (struct node *const *dirs, int num_dirs);