1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
|
/*
* Copyright (c) 2017 Nicholas Marriott <nicholas.marriott@gmail.com>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/types.h>
#include <errno.h>
#include <stdarg.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "compat.h"
void
err(int eval, const char *fmt, ...)
{
va_list ap;
int saved_errno = errno;
fprintf(stderr, "%s: ", getprogname());
va_start(ap, fmt);
if (fmt != NULL) {
vfprintf(stderr, fmt, ap);
fprintf(stderr, ": ");
}
va_end(ap);
fprintf(stderr, "%s\n", strerror(saved_errno));
exit(eval);
}
void
errx(int eval, const char *fmt, ...)
{
va_list ap;
fprintf(stderr, "%s: ", getprogname());
va_start(ap, fmt);
if (fmt != NULL)
vfprintf(stderr, fmt, ap);
va_end(ap);
putc('\n', stderr);
exit(eval);
}
void
warn(const char *fmt, ...)
{
va_list ap;
int saved_errno = errno;
fprintf(stderr, "%s: ", getprogname());
va_start(ap, fmt);
if (fmt != NULL) {
vfprintf(stderr, fmt, ap);
fprintf(stderr, ": ");
}
va_end(ap);
fprintf(stderr, "%s\n", strerror(saved_errno));
}
void
warnx(const char *fmt, ...)
{
va_list ap;
fprintf(stderr, "%s: ", getprogname());
va_start(ap, fmt);
if (fmt != NULL)
vfprintf(stderr, fmt, ap);
va_end(ap);
putc('\n', stderr);
}
|
