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
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
|
/**
* slibc — Yet another C library
* Copyright © 2015 Mattias Andrée (maandree@member.fsf.org)
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _ERR_H
#define _ERR_H
#include <slibc/version.h>
#include <slibc/features.h>
#ifndef __PORTABLE
#ifndef _SLIBC_SUPPRESS_WARNINGS
# warning "Please consider not using <err.h>."
#endif
#include <stdarg.h>
/**
* Print a warning to stderr, followed by a description
* of the value of `errno`.
*
* This is a non-standard BSD extension.
*
* @param format Formatting-string for the warning.
* @param ... Formatting-arguments.
*/
void warn(const char*, ...)
__GCC_ONLY(__attribute__((format(printf, 1, 2))));
/**
* Print a warning to stderr, followed by a description
* of the value of `errno`.
*
* This is a non-standard BSD extension.
*
* @param format Formatting-string for the warning.
* @param args Formatting-arguments.
*/
void vwarn(const char*, va_list);
/**
* Print a warning to stderr, but do not print a
* description of the value of `errno`.
*
* This is a non-standard BSD extension.
*
* @param format Formatting-string for the warning.
* @param ... Formatting-arguments.
*/
void warnx(const char*, ...)
__GCC_ONLY(__attribute__((format(printf, 1, 2))));
/**
* Print a warning to stderr, but do not print a
* description of the value of `errno`.
*
* This is a non-standard BSD extension.
*
* @param format Formatting-string for the warning.
* @param args Formatting-arguments.
*/
void vwarnx(const char*, va_list);
/**
* Print an error message to stderr, followed by a
* description of the value of `errno`. Then exit the process.
*
* This is a non-standard BSD extension.
*
* @parma status The exit status the process should have.
* @param format Formatting-string for the warning.
* @param ... Formatting-arguments.
*/
void err(int, const char*, ...)
__GCC_ONLY(__attribute__((format(printf, 2, 3)))) __noreturn;
/**
* Print an error message to stderr, followed by a
* description of the value of `errno`. Then exit the process.
*
* This is a non-standard BSD extension.
*
* @parma status The exit status the process should have.
* @param format Formatting-string for the warning.
* @param args Formatting-arguments.
*/
void verr(int, const char*, va_list) __noreturn;
/**
* Print an error message to stderr, but do not print a
* description of the value of `errno`. Then exit the process.
*
* This is a non-standard BSD extension.
*
* @parma status The exit status the process should have.
* @param format Formatting-string for the warning.
* @param ... Formatting-arguments.
*/
void errx(int, const char*, ...)
__noreturn __GCC_ONLY(__attribute__((format(printf, 2, 3))));
/**
* Print an error message to stderr, but do not print a
* description of the value of `errno`. Then exit the process.
*
* This is a non-standard BSD extension.
*
* @parma status The exit status the process should have.
* @param format Formatting-string for the warning.
* @param args Formatting-arguments.
*/
void verrx(int, const char*, va_list) __noreturn;
#endif
#endif
|
