1/* 4.4BSD utility functions for error messages.
2 Copyright (C) 1995-2022 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
18
19#ifndef _ERR_H
20#define _ERR_H 1
21
22#include <features.h>
23
24#define __need___va_list
25#include <stdarg.h>
26#ifndef __GNUC_VA_LIST
27# define __gnuc_va_list void *
28#endif
29
30__BEGIN_DECLS
31
32/* Print "program: ", FORMAT, ": ", the standard error string for errno,
33 and a newline, on stderr. */
34extern void warn (const char *__format, ...)
35 __attribute__ ((__format__ (__printf__, 1, 2)));
36extern void vwarn (const char *__format, __gnuc_va_list)
37 __attribute__ ((__format__ (__printf__, 1, 0)));
38
39/* Likewise, but without ": " and the standard error string. */
40extern void warnx (const char *__format, ...)
41 __attribute__ ((__format__ (__printf__, 1, 2)));
42extern void vwarnx (const char *__format, __gnuc_va_list)
43 __attribute__ ((__format__ (__printf__, 1, 0)));
44
45/* Likewise, and then exit with STATUS. */
46extern void err (int __status, const char *__format, ...)
47 __attribute__ ((__noreturn__, __format__ (__printf__, 2, 3)));
48extern void verr (int __status, const char *__format, __gnuc_va_list)
49 __attribute__ ((__noreturn__, __format__ (__printf__, 2, 0)));
50extern void errx (int __status, const char *__format, ...)
51 __attribute__ ((__noreturn__, __format__ (__printf__, 2, 3)));
52extern void verrx (int __status, const char *, __gnuc_va_list)
53 __attribute__ ((__noreturn__, __format__ (__printf__, 2, 0)));
54
55#include <bits/floatn.h>
56#if defined __LDBL_COMPAT || __LDOUBLE_REDIRECTS_TO_FLOAT128_ABI == 1
57# include <bits/err-ldbl.h>
58#endif
59
60__END_DECLS
61
62#endif /* err.h */
63

source code of include/err.h