blob: 13a8637d9e0c8b272838192529d439e40af8f48d (
plain)
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
63
64
65
66
67
68
69
70
71
|
/*
* Copyright (C) 2014-2015 Tobias Klauser <tklauser@distanz.ch>
* Copyright (C) 2009-2012 Daniel Borkmann
*
* This file is part of llmnrd.
*
* llmnrd is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, version 2 of the License.
*
* llmnrd is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with llmnrd. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef UTIL_H
#define UTIL_H
#include <stdarg.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include "compiler.h"
#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
/*
* min() macro with strict type-checking.
* Taken from linux/kernel.h
*/
#undef min
#define min(x, y) ({ \
typeof(x) _min1 = (x); \
typeof(y) _min2 = (y); \
(void) (&_min1 == &_min2); \
_min1 < _min2 ? _min1 : _min2; })
static inline void __noreturn panic(const char *fmt, ...)
{
va_list vl;
va_start(vl, fmt);
vfprintf(stderr, fmt, vl);
va_end(vl);
exit(EXIT_FAILURE);
}
void *xmalloc(size_t size);
void *xzalloc(size_t size);
void *xrealloc(void *ptr, size_t size);
char *xstrdup(const char *s);
static inline bool xstreq(const char *str1, const char *str2)
{
size_t n = strlen(str1);
if (n != strlen(str2))
return false;
if (strncmp(str1, str2, n) != 0)
return false;
return true;
}
#endif /* UTIL_H */
|
