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
37 void
err(int r,const char * fmt,...)38 err(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
52 void
errx(int r,const char * fmt,...)53 errx(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
66 void
warn(const char * fmt,...)67 warn(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