1 #include "config.h"
2
3 #if HAVE_ERR
4
5 int dummy;
6
7 #else
8
9 /* Id: compat_err.c,v 1.4 2015/11/26 07:42:11 schwarze Exp */
10 /*
11 * Copyright (c) 1993
12 * The Regents of the University of California. All rights reserved.
13 *
14 * Redistribution and use in source and binary forms, with or without
15 * modification, are permitted provided that the following conditions
16 * are met:
17 * 1. Redistributions of source code must retain the above copyright
18 * notice, this list of conditions and the following disclaimer.
19 * 2. Redistributions in binary form must reproduce the above copyright
20 * notice, this list of conditions and the following disclaimer in the
21 * documentation and/or other materials provided with the distribution.
22 * 3. Neither the name of the University nor the names of its contributors
23 * may be used to endorse or promote products derived from this software
24 * without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 * SUCH DAMAGE.
37 */
38
39 #include <errno.h>
40 #include <stdarg.h>
41 #include <stdio.h>
42 #include <stdlib.h>
43 #include <string.h>
44
45 static void vwarni(const char *, va_list);
46 static void vwarnxi(const char *, va_list);
47
48 static void
vwarnxi(const char * fmt,va_list ap)49 vwarnxi(const char *fmt, va_list ap)
50 {
51 fprintf(stderr, "%s: ", getprogname());
52 if (fmt != NULL)
53 vfprintf(stderr, fmt, ap);
54 }
55
56 static void
vwarni(const char * fmt,va_list ap)57 vwarni(const char *fmt, va_list ap)
58 {
59 int sverrno;
60
61 sverrno = errno;
62 vwarnxi(fmt, ap);
63 if (fmt != NULL)
64 fputs(": ", stderr);
65 fprintf(stderr, "%s\n", strerror(sverrno));
66 }
67
68 void
err(int eval,const char * fmt,...)69 err(int eval, const char *fmt, ...)
70 {
71 va_list ap;
72
73 va_start(ap, fmt);
74 vwarni(fmt, ap);
75 va_end(ap);
76 exit(eval);
77 }
78
79 void
errx(int eval,const char * fmt,...)80 errx(int eval, const char *fmt, ...)
81 {
82 va_list ap;
83
84 va_start(ap, fmt);
85 vwarnxi(fmt, ap);
86 va_end(ap);
87 fputc('\n', stderr);
88 exit(eval);
89 }
90
91 void
warn(const char * fmt,...)92 warn(const char *fmt, ...)
93 {
94 va_list ap;
95
96 va_start(ap, fmt);
97 vwarni(fmt, ap);
98 va_end(ap);
99 }
100
101 void
warnx(const char * fmt,...)102 warnx(const char *fmt, ...)
103 {
104 va_list ap;
105
106 va_start(ap, fmt);
107 vwarnxi(fmt, ap);
108 va_end(ap);
109 fputc('\n', stderr);
110 }
111
112 #endif
113