xref: /freebsd/crypto/openssh/openbsd-compat/bsd-err.c (revision 3416500aef140042c64bc149cb1ec6620483bc44)
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
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
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
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