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err.c
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1 /*-
2  * Copyright (c) 1993
3  * The Regents of the University of California. All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
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. Neither the name of the University nor the names of its contributors
14  * may be used to endorse or promote products derived from this software
15  * without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  */
29 
30 /*
31  * This is cut down to just the minimum that we need to build indent.
32  */
33 #include "c.h"
34 
35 #include <err.h>
36 #include <errno.h>
37 #include <stdarg.h>
38 #include <stdio.h>
39 #include <stdlib.h>
40 #include <string.h>
41 
42 void
43 err(int eval, const char *fmt, ...)
44 {
45  int code = errno;
46  va_list ap;
47  va_start(ap, fmt);
48  if (fmt != NULL) {
49  vfprintf(stderr, fmt, ap);
50  fprintf(stderr, ": ");
51  }
52  fprintf(stderr, "%s\n", strerror(code));
53  va_end(ap);
54  exit(eval);
55 }
56 
57 void
58 errx(int eval, const char *fmt, ...)
59 {
60  va_list ap;
61  va_start(ap, fmt);
62  if (fmt != NULL)
63  vfprintf(stderr, fmt, ap);
64  fprintf(stderr, "\n");
65  va_end(ap);
66  exit(eval);
67 }
void err(int eval, const char *fmt,...)
Definition: err.c:43
void errx(int eval, const char *fmt,...)
Definition: err.c:58
static void const char * fmt
va_end(args)
vfprintf(stderr, fmt, args)
exit(1)
va_start(args, fmt)
#define strerror
Definition: port.h:251
#define fprintf
Definition: port.h:242