aboutsummaryrefslogtreecommitdiff
path: root/include/compat/err.h
blob: 65a760fbd0577c1345a9ced959b1a970a8a8f9b4 (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
72
73
74
75
76
77
78
79
/*
 * Public domain
 * err.h compatibility shim
 */

#ifdef HAVE_ERR_H

#include_next <err.h>

#else

#ifndef LIBCRYPTOCOMPAT_ERR_H
#define LIBCRYPTOCOMPAT_ERR_H

#include <errno.h>
#include <stdarg.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>

static inline void
err(int eval, const char *fmt, ...)
{
	int sverrno = errno;
	va_list ap;

	va_start(ap, fmt);
	if (fmt != NULL) {
		vfprintf(stderr, fmt, ap);
		fprintf(stderr, ": ");
	}
	fprintf(stderr, "%s\n", strerror(sverrno));
	exit(eval);
	va_end(ap);
}

static inline void
errx(int eval, const char *fmt, ...)
{
	va_list ap;

	va_start(ap, fmt);
	if (fmt != NULL)
		vfprintf(stderr, fmt, ap);
	fprintf(stderr, "\n");
	exit(eval);
	va_end(ap);
}

static inline void
warn(const char *fmt, ...)
{
	int sverrno = errno;
	va_list ap;

	va_start(ap, fmt);
	if (fmt != NULL) {
		vfprintf(stderr, fmt, ap);
		fprintf(stderr, ": ");
	}
	fprintf(stderr, "%s\n", strerror(sverrno));
	va_end(ap);
}

static inline void
warnx(const char *fmt, ...)
{
	va_list ap;

	va_start(ap, fmt);
	if (fmt != NULL)
		vfprintf(stderr, fmt, ap);
	fprintf(stderr, "\n");
	va_end(ap);
}

#endif

#endif