1/*
2 * Copyright (c) 2015 Tim Rice <tim@multitalents.net>
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 *
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. The name of the author may not be used to endorse or promote products
14 *   derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28#include "includes.h"
29
30#include <errno.h>
31#include <stdarg.h>
32#include <stdio.h>
33#include <stdlib.h>
34#include <string.h>
35
36#ifndef HAVE_ERR
37void
38err(int r, const char *fmt, ...)
39{
40	va_list args;
41
42	va_start(args, fmt);
43	fprintf(stderr, "%s: ", strerror(errno));
44	vfprintf(stderr, fmt, args);
45	fputc('\n', stderr);
46	va_end(args);
47	exit(r);
48}
49#endif
50
51#ifndef HAVE_ERRX
52void
53errx(int r, const char *fmt, ...)
54{
55	va_list args;
56
57	va_start(args, fmt);
58	vfprintf(stderr, fmt, args);
59	fputc('\n', stderr);
60	va_end(args);
61	exit(r);
62}
63#endif
64
65#ifndef HAVE_WARN
66void
67warn(const char *fmt, ...)
68{
69	va_list args;
70
71	va_start(args, fmt);
72	fprintf(stderr, "%s: ", strerror(errno));
73	vfprintf(stderr, fmt, args);
74	fputc('\n', stderr);
75	va_end(args);
76}
77#endif
78