2 * Copyright (C) 2013 Intel Corporation.
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
14 * You should have received a copy of the GNU Library General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 * José Bollo <jose.bollo@open.eurogiciel.org>
20 * Stéphane Desneux <stephane.desneux@open.eurogiciel.org>
21 * Jean-Benoit Martin <jean-benoit.martin@open.eurogiciel.org>
34 enum fkey foreign( const char *name, size_t length)
36 if (length == 3) { /* UID */
37 if (name[1]=='I' && name[2]=='D')
39 #if _FOREIGN_HAS_(UID)
40 case 'G': /* GID */ return GID;
42 #if _FOREIGN_HAS_(GID)
43 case 'U': /* UID */ return UID;
48 else if (length == 4) {
50 #if _FOREIGN_HAS_(HOME)
52 if (name[1]=='O' && name[2]=='M' && name[3]=='E')
56 #if _FOREIGN_HAS_(EUID)
58 if (name[1]=='U' && name[2]=='I' && name[3]=='D')
62 #if _FOREIGN_HAS_(USER)
64 if (name[1]=='S' && name[2]=='E' && name[3]=='R')
71 else if (length == 5 && name[0]=='E') {
73 #if _FOREIGN_HAS_(EHOME)
75 if (name[2]=='O' && name[3]=='M' && name[4]=='E')
79 #if _FOREIGN_HAS_(EUSER)
81 if (name[2]=='S' && name[3]=='E' && name[4]=='R')
88 return _FOREIGN_INVALID_;