contrib/mdocml/compat_err.c

0 #include "config.h"
3 #if HAVE_ERR
5 int dummy;
7 #else
9 /* $Id: compat_err.c,v 1.4 2015/11/26 07:42:11 schwarze Exp $ */
11  * Copyright (c) 1993
12  *      The Regents of the University of California.  All rights reserved.
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.
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.
39 #include <errno.h>
40 #include <stdarg.h>
41 #include <stdio.h>
42 #include <stdlib.h>
43 #include <string.h>
45 static void vwarni(const char *, va_list);
46 static void vwarnxi(const char *, va_list);
48 static void
49 vwarnxi(const char *fmt, va_list ap)
51 	fprintf(stderr, "%s: ", getprogname());
52 	if (fmt != NULL)
53 		vfprintf(stderr, fmt, ap);
56 static void
57 vwarni(const char *fmt, va_list ap)
59 	int sverrno;
61 	sverrno = errno;
62 	vwarnxi(fmt, ap);
63 	if (fmt != NULL)
64 		fputs(": ", stderr);
65 	fprintf(stderr, "%s\n", strerror(sverrno));
68 void
69 err(int eval, const char *fmt, ...)
71 	va_list ap;
73 	va_start(ap, fmt);
74 	vwarni(fmt, ap);
75 	va_end(ap);
76 	exit(eval);
79 void
80 errx(int eval, const char *fmt, ...)
82 	va_list ap;
84 	va_start(ap, fmt);
85 	vwarnxi(fmt, ap);
86 	va_end(ap);
87 	fputc('\n', stderr);
88 	exit(eval);
91 void
92 warn(const char *fmt, ...)
94 	va_list ap;
96 	va_start(ap, fmt);
97 	vwarni(fmt, ap);
98 	va_end(ap);
101 void
102 warnx(const char *fmt, ...)
104 	va_list ap;
106 	va_start(ap, fmt);
107 	vwarnxi(fmt, ap);
108 	va_end(ap);
109 	fputc('\n', stderr);
112 #endif