xref: /freebsd/include/err.h (revision 41059135ce931c0f1014a999ffabc6bc470ce856)
1 /*-
2  * Copyright (c) 1993
3  *	The Regents of the University of California.  All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  * 3. Neither the name of the University nor the names of its contributors
14  *    may be used to endorse or promote products derived from this software
15  *    without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  *
29  *	@(#)err.h	8.1 (Berkeley) 6/2/93
30  * $FreeBSD$
31  */
32 
33 #ifndef _ERR_H_
34 #define	_ERR_H_
35 
36 /*
37  * Don't use va_list in the err/warn prototypes.   Va_list is typedef'd in two
38  * places (<machine/varargs.h> and <machine/stdarg.h>), so if we include one
39  * of them here we may collide with the utility's includes.  It's unreasonable
40  * for utilities to have to include one of them to include err.h, so we get
41  * __va_list from <sys/_types.h> and use it.
42  */
43 #include <sys/cdefs.h>
44 #include <sys/_types.h>
45 
46 __NULLABILITY_PRAGMA_PUSH
47 
48 __BEGIN_DECLS
49 void	err(int, const char *, ...) __dead2 __printf0like(2, 3);
50 void	verr(int, const char *, __va_list) __dead2 __printf0like(2, 0);
51 void	errc(int, int, const char *, ...) __dead2 __printf0like(3, 4);
52 void	verrc(int, int, const char *, __va_list) __dead2
53 	    __printf0like(3, 0);
54 void	errx(int, const char *, ...) __dead2 __printf0like(2, 3);
55 void	verrx(int, const char *, __va_list) __dead2 __printf0like(2, 0);
56 void	warn(const char *, ...) __printf0like(1, 2);
57 void	vwarn(const char *, __va_list) __printf0like(1, 0);
58 void	warnc(int, const char *, ...) __printf0like(2, 3);
59 void	vwarnc(int, const char *, __va_list) __printf0like(2, 0);
60 void	warnx(const char *, ...) __printflike(1, 2);
61 void	vwarnx(const char *, __va_list) __printflike(1, 0);
62 void	err_set_file(void *);
63 void	err_set_exit(void (* _Nullable)(int));
64 __END_DECLS
65 __NULLABILITY_PRAGMA_POP
66 
67 #endif /* !_ERR_H_ */
68