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#ifndef HAVE_ERR
31void
32err(int r, const char *fmt, ...)
33{
34	va_list args;
35
36	va_start(args, fmt);
37	fprintf(stderr, "%s: ", strerror(errno));
38	vfprintf(stderr, fmt, args);
39	fputc('\n', stderr);
40	va_end(args);
41	exit(r);
42}
43#endif
44
45#ifndef HAVE_ERRX
46void
47errx(int r, const char *fmt, ...)
48{
49	va_list args;
50
51	va_start(args, fmt);
52	vfprintf(stderr, fmt, args);
53	fputc('\n', stderr);
54	va_end(args);
55	exit(r);
56}
57#endif
58
59#ifndef HAVE_WARN
60void
61warn(const char *fmt, ...)
62{
63	va_list args;
64
65	va_start(args, fmt);
66	fprintf(stderr, "%s: ", strerror(errno));
67	vfprintf(stderr, fmt, args);
68	fputc('\n', stderr);
69	va_end(args);
70}
71#endif
72