Contiki-NG
assert.h
1/*
2 * Copyright (c) 2006, Swedish Institute of Computer Science
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of the Institute nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 */
30
31#ifndef ASSERT_H_
32#define ASSERT_H_
33
34#include "sys/cc.h"
35
36#ifdef ASSERT_CONF_RETURNS
37#define ASSERT_RETURNS ASSERT_CONF_RETURNS
38#else
39#define ASSERT_RETURNS 0
40#endif
41
42#undef assert
43#ifdef NDEBUG
44#define assert(e) ((void)0)
45#else
46#define assert(e) ((e) ? (void)0 : _xassert(__FILE__, __LINE__))
47#if ASSERT_RETURNS
48void _xassert(const char *, int);
49#else
50void _xassert(const char *, int) CC_NORETURN;
51#endif /* ASSERT_RETURNS */
52#endif /* NDEBUG */
53
54#ifndef CTASSERT /* Allow lint to override */
55#define CTASSERT(x) _CTASSERT(x, __LINE__)
56#define _CTASSERT(x, y) __CTASSERT(x, y)
57#define __CTASSERT(x, y) typedef char __assert ## y[(x) ? 1 : -1]
58#endif
59
60#endif /* ASSERT_H_ */
Default definitions of C compiler quirk work-arounds.
#define CC_NORETURN
Configure if the C compiler supports functions that are not meant to return e.g.
Definition: cc.h:68