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Move err.[ch] to port/ directory
author David Demelier <markand@malikania.fr>
date Mon, 13 Feb 2012 18:06:07 +0100
parents err.c@b1a084c030c8
children
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113:d3ccd7232e2d 114:bb2694382675
1 /*
2 * err.c -- formtted error messages (portable version)
3 *
4 * Copyright (c) 2011, 2012, David Demelier <markand@malikania.fr>
5 *
6 * Permission to use, copy, modify, and/or distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
9 *
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 */
18
19 #include <stdio.h>
20 #include <stdlib.h>
21 #include <stdarg.h>
22 #include <string.h>
23 #include <errno.h>
24
25 #include "err.h"
26
27 /*
28 * These functions implements at least the same functions that can be found
29 * in the NetBSD err(3) man page without printing the programe name due to
30 * a portability issue.
31 */
32
33 void
34 err(int val, const char *fmt, ...)
35 {
36 va_list ap;
37
38 va_start(ap, fmt);
39 verr(val, fmt, ap);
40 va_end(ap);
41 }
42
43 void
44 verr(int val, const char *fmt, va_list ap)
45 {
46 if (fmt) {
47 vfprintf(stderr, fmt, ap);
48 fprintf(stderr, ": ");
49 }
50
51 fprintf(stderr, "%s\n", strerror(errno));
52 exit(val);
53 }
54
55 void
56 errx(int val, const char *fmt, ...)
57 {
58 va_list ap;
59
60 va_start(ap, fmt);
61 verrx(val, fmt, ap);
62 va_end(ap);
63 }
64
65 void
66 verrx(int val, const char *fmt, va_list ap)
67 {
68 if (fmt)
69 vfprintf(stderr, fmt, ap);
70
71 fprintf(stderr, "\n");
72
73 exit(val);
74 }
75
76 void
77 warn(const char *fmt, ...)
78 {
79 va_list ap;
80
81 va_start(ap, fmt);
82 vwarn(fmt, ap);
83 va_end(ap);
84 }
85
86 void
87 vwarn(const char *fmt, va_list ap)
88 {
89 if (fmt) {
90 vfprintf(stderr, fmt, ap);
91 fprintf(stderr, ": ");
92 }
93
94 fprintf(stderr, "%s\n", strerror(errno));
95 }
96
97 void
98 warnx(const char *fmt, ...)
99 {
100 va_list ap;
101
102 va_start(ap, fmt);
103 vwarnx(fmt, ap);
104 va_end(ap);
105 }
106
107 void
108 vwarnx(const char *fmt, va_list ap)
109 {
110 if (fmt)
111 vfprintf(stderr, fmt, ap);
112
113 fprintf(stderr, "\n");
114 }