1/*	$OpenBSD: err.h,v 1.10 2006/01/06 18:53:04 millert Exp $	*/
2/*	$NetBSD: err.h,v 1.11 1994/10/26 00:55:52 cgd Exp $	*/
3
4/*-
5 * Copyright (c) 1993
6 *	The Regents of the University of California.  All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 * 3. Neither the name of the University nor the names of its contributors
17 *    may be used to endorse or promote products derived from this software
18 *    without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 *
32 *	@(#)err.h	8.1 (Berkeley) 6/2/93
33 */
34
35#ifndef _ERR_H_
36#define _ERR_H_
37
38#include <sys/cdefs.h>
39#include <sys/types.h>
40
41__BEGIN_DECLS
42
43/* printf's format string isn't nullable; the err family's one is,
44 * so we can't use __errlike here. */
45#define __errlike(x, y) __attribute__((__format__(printf, x, y)))
46
47__noreturn void err(int, const char *, ...) __errlike(2, 3);
48__noreturn void verr(int, const char *, __va_list) __errlike(2, 0);
49__noreturn void errx(int, const char *, ...) __errlike(2, 3);
50__noreturn void verrx(int, const char *, __va_list) __errlike(2, 0);
51void warn(const char *, ...) __errlike(1, 2);
52void vwarn(const char *, __va_list) __errlike(1, 0);
53void warnx(const char *, ...) __errlike(1, 2);
54void vwarnx(const char *, __va_list) __errlike(1, 0);
55
56__END_DECLS
57
58#endif /* !_ERR_H_ */
59