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
31 void
err(int r,const char * fmt,...)32 err(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
46 void
errx(int r,const char * fmt,...)47 errx(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
60 void
warn(const char * fmt,...)61 warn(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