xref: /freebsd/include/err.h (revision 06c3fb2749bda94cb5201f81ffdb8fa6c3161b2e)
1 /*-
2  * SPDX-License-Identifier: BSD-3-Clause
3  *
4  * Copyright (c) 1993
5  *	The Regents of the University of California.  All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. Neither the name of the University nor the names of its contributors
16  *    may be used to endorse or promote products derived from this software
17  *    without specific prior written permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29  * SUCH DAMAGE.
30  */
31 
32 #ifndef _ERR_H_
33 #define	_ERR_H_
34 
35 /*
36  * Don't use va_list in the err/warn prototypes.   Va_list is typedef'd in two
37  * places (<machine/varargs.h> and <machine/stdarg.h>), so if we include one
38  * of them here we may collide with the utility's includes.  It's unreasonable
39  * for utilities to have to include one of them to include err.h, so we get
40  * __va_list from <sys/_types.h> and use it.
41  */
42 #include <sys/cdefs.h>
43 #include <sys/_types.h>
44 
45 __NULLABILITY_PRAGMA_PUSH
46 
47 __BEGIN_DECLS
48 void	err(int, const char *, ...) __dead2 __printf0like(2, 3);
49 void	verr(int, const char *, __va_list) __dead2 __printf0like(2, 0);
50 void	errc(int, int, const char *, ...) __dead2 __printf0like(3, 4);
51 void	verrc(int, int, const char *, __va_list) __dead2
52 	    __printf0like(3, 0);
53 void	errx(int, const char *, ...) __dead2 __printf0like(2, 3);
54 void	verrx(int, const char *, __va_list) __dead2 __printf0like(2, 0);
55 void	warn(const char *, ...) __printf0like(1, 2);
56 void	vwarn(const char *, __va_list) __printf0like(1, 0);
57 void	warnc(int, const char *, ...) __printf0like(2, 3);
58 void	vwarnc(int, const char *, __va_list) __printf0like(2, 0);
59 void	warnx(const char *, ...) __printflike(1, 2);
60 void	vwarnx(const char *, __va_list) __printf0like(1, 0);
61 void	err_set_file(void *);
62 void	err_set_exit(void (* _Nullable)(int));
63 __END_DECLS
64 __NULLABILITY_PRAGMA_POP
65 
66 #endif /* !_ERR_H_ */
67