glibc (2.38)
1 /* 4.4BSD utility functions for error messages.
2 Copyright (C) 1995-2023 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. */
34 extern void warn (const char *__format, ...)
35 __attribute__ ((__format__ (__printf__, 1, 2))) __COLD;
36 extern void vwarn (const char *__format, __gnuc_va_list)
37 __attribute__ ((__format__ (__printf__, 1, 0))) __COLD;
38
39 /* Likewise, but without ": " and the standard error string. */
40 extern void warnx (const char *__format, ...)
41 __attribute__ ((__format__ (__printf__, 1, 2)));
42 extern void vwarnx (const char *__format, __gnuc_va_list)
43 __attribute__ ((__format__ (__printf__, 1, 0)));
44
45 /* Likewise, and then exit with STATUS. */
46 extern void err (int __status, const char *__format, ...)
47 __attribute__ ((__noreturn__, __format__ (__printf__, 2, 3))) __COLD;
48 extern void verr (int __status, const char *__format, __gnuc_va_list)
49 __attribute__ ((__noreturn__, __format__ (__printf__, 2, 0))) __COLD;
50 extern void errx (int __status, const char *__format, ...)
51 __attribute__ ((__noreturn__, __format__ (__printf__, 2, 3))) __COLD;
52 extern void verrx (int __status, const char *, __gnuc_va_list)
53 __attribute__ ((__noreturn__, __format__ (__printf__, 2, 0))) __COLD;
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 */
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