1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
|
/* dbg.h
*
* Copyright (c) 2014-2016 Tharre
*
* This software may be modified and distributed under the terms
* of the MIT license. See the LICENSE file for details.
*/
#ifndef __DBG_H__
#define __DBG_H__
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#ifndef _FILENAME
#define _FILENAME __FILE__
#endif
#ifndef NDEBUG
#define DEBUG 1
#else
#define DEBUG 0
#endif
/* helper functions which help in replacing the GNU extension ##__VA_ARGS__ */
#define STRINGIFY(x) #x
#define PREFIX(...) PREFIX_HELPER(_FILENAME, __LINE__, __VA_ARGS__)
#define SUFFIX(S, M, ...) M S, __VA_ARGS__
#define log_err(...) fprintf(stderr, PREFIX(__VA_ARGS__))
#define die(...) die_(PREFIX(__VA_ARGS__))
#define fatal(...) die(SUFFIX(": %s\n", __VA_ARGS__, strerror(errno)))
#ifdef NDEBUG
#define PREFIX_HELPER(f,l,...) __VA_ARGS__
#else
#define PREFIX_HELPER(f,l,...) "(" f ":" STRINGIFY(l) "): " __VA_ARGS__
#endif
#define debug(...) do { if (DEBUG) log_err(__VA_ARGS__); } while (0)
#define assert_str_equal(a,b) ({ \
if (strcmp(a, b)) { \
log_err("Assertion error: '%s' == '%s'\n", a, b); \
abort(); \
} \
})
#define assert_int_equal(a,b) ({ \
if (a != b) { \
log_err("Assertion error: '%d' == '%d'\n", a, b); \
abort(); \
} \
})
/* A neat macro that silences unused parameter warnings compiler independant */
#define UNUSED(x) (void)(x)
#endif
|
