A Discrete-Event Network Simulator
API
unused.h
Go to the documentation of this file.
1/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
2/*
3 * Copyright (c) 2012 Andrey Mazo
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2 as
7 * published by the Free Software Foundation;
8 *
9 * This program 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
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 *
18 * Author: Andrey Mazo <ahippo@yandex.com>
19 */
20
21#ifndef UNUSED_H
22#define UNUSED_H
23
24#include "ns3/deprecated.h"
25
42// We can't use NS_DEPRECATED_3_36 here because NS_UNUSED
43// is used as a statement following a declaration:
44// int x;
45// NS_UNUSED (x);
46// NS_DEPRECATED needs to be applied to the declaration
47// NS_DEPRECATED_3_36 ("use double instead") int x;
48// Instead we resort to a pragma
49
50#ifndef NS_UNUSED
51# define NS_UNUSED(x) \
52 _Pragma ("GCC warning \"NS_UNUSED is deprecated, use [[maybe_unused]] directly\"") \
53 ((void)(x))
54#endif
55
64#ifndef NS_UNUSED_GLOBAL
65#if defined(__GNUC__)
66# define NS_UNUSED_GLOBAL(x) \
67 NS_DEPRECATED_3_36 ("NS_UNUSED_GLOBAL is deprecated, use [[maybe_unused]] directly") \
68 [[maybe_unused]] x
69#elif defined(__LCLINT__)
70# define NS_UNUSED_GLOBAL(x) \
71 NS_DEPRECATED_3_36 ("NS_UNUSED_GLOBAL is deprecated, use [[maybe_unused]] directly") \
72 /*@unused@*/ x
73#else
74# define NS_UNUSED_GLOBAL(x) \
75 NS_DEPRECATED_3_36 ("NS_UNUSED_GLOBAL is deprecated, use [[maybe_unused]] directly") \
76 x
77#endif
78#endif
79
80#endif /* UNUSED_H */