1 /* $NetBSD: env.h,v 1.3 2015/01/20 18:31:25 christos Exp $ */
2
3 /*-
4 * Copyright (c) 2010 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Matthias Scheler.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 #include <sys/types.h>
33
34 #include <stdbool.h>
35
36 #include "reentrant.h"
37
38 extern ssize_t __getenvslot(const char *name, size_t l_name, bool allocate);
39 extern char *__findenvvar(const char *name, size_t l_name);
40
41 #ifdef _REENTRANT
42 extern bool __readlockenv(void);
43 extern bool __writelockenv(void);
44 extern bool __unlockenv(void);
45 #else
46 static __inline bool
__readlockenv(void)47 __readlockenv(void)
48 {
49 return true;
50 }
51
52 static __inline bool
__writelockenv(void)53 __writelockenv(void)
54 {
55 return true;
56 }
57
58 static __inline bool
__unlockenv(void)59 __unlockenv(void)
60 {
61 return true;
62 }
63 #endif
64
65 extern char **environ;
66