aboutsummaryrefslogtreecommitdiff
path: root/compat/err.c
blob: dd07cf9294b912c3921cf5015d1743680f48bdeb (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
80
81
82
/*
 * Copyright (c) 2021 Omar Polo <op@omarpolo.com>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

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

#include "../config.h"

static void vwarn_impl(const char*, va_list);
static void vwarnx_impl(const char*, va_list);

static void
vwarn_impl(const char *fmt, va_list ap)
{
	fprintf(stderr, "%s: ", getprogname());
	vfprintf(stderr, fmt, ap);
	fprintf(stderr, ": %s\n", strerror(errno));
}

static void
vwarnx_impl(const char *fmt, va_list ap)
{
	fprintf(stderr, "%s: ", getprogname());
	vfprintf(stderr, fmt, ap);
	fprintf(stderr, "\n");
}

void
err(int ret, const char *fmt, ...)
{
	va_list	ap;

	va_start(ap, fmt);
	vwarn_impl(fmt, va);
	va_end(ap, fmt);
	exit(ret);
}

void
errx(int ret, const char *fmt, ...)
{
	va_list	ap;

	va_start(ap, fmt);
	vwarnx_impl(fmt, va);
	va_end(ap, fmt);
	exit(ret);
}

void
warn(const char *fmt, ...)
{
	va_list	ap;

	va_start(ap, fmt);
	vwarn_impl(fmt, va);
	va_end(ap, fmt);
}

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

	va_start(ap, fmt);
	vwarnx_impl(fmt, va);
	va_end(ap, fmt);
}