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
48 void _xassert(const char *, int);
49 #else
50 void _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_ */
#define CC_NORETURN
Configure if the C compiler supports functions that are not meant to return e.g.
Definition: cc.h:115
Default definitions of C compiler quirk work-arounds.