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/* 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);