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      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 /*
     39  * Don't use va_list in the err/warn prototypes.   Va_list is typedef'd in two
     40  * places (<machine/varargs.h> and <machine/stdarg.h>), so if we include one
     41  * of them here we may collide with the utility's includes.  It's unreasonable
     42  * for utilities to have to include one of them to include err.h, so we get
     43  * __va_list from <machine/_types.h> and use it.
     44  */
     45 #include <sys/cdefs.h>
     46 #include <machine/_types.h>
     47 
     48 __BEGIN_DECLS
     49 
     50 __noreturn void	err(int, const char *, ...)
     51 			__attribute__((__format__ (printf, 2, 3)));
     52 __noreturn void	verr(int, const char *, __va_list)
     53 			__attribute__((__format__ (printf, 2, 0)));
     54 __noreturn void	errx(int, const char *, ...)
     55 			__attribute__((__format__ (printf, 2, 3)));
     56 __noreturn void	verrx(int, const char *, __va_list)
     57 			__attribute__((__format__ (printf, 2, 0)));
     58 void		warn(const char *, ...)
     59 			__attribute__((__format__ (printf, 1, 2)));
     60 void		vwarn(const char *, __va_list)
     61 			__attribute__((__format__ (printf, 1, 0)));
     62 void		warnx(const char *, ...)
     63 			__attribute__((__format__ (printf, 1, 2)));
     64 void		vwarnx(const char *, __va_list)
     65 			__attribute__((__format__ (printf, 1, 0)));
     66 
     67 /*
     68  * The _* versions are for use in library functions so user-defined
     69  * versions of err*,warn* do not get used.
     70  */
     71 __noreturn void	_err(int, const char *, ...)
     72 			__attribute__((__format__ (printf, 2, 3)));
     73 __noreturn void	_verr(int, const char *, __va_list)
     74 			__attribute__((__format__ (printf, 2, 0)));
     75 __noreturn void	_errx(int, const char *, ...)
     76 			__attribute__((__format__ (printf, 2, 3)));
     77 __noreturn void	_verrx(int, const char *, __va_list)
     78 			__attribute__((__format__ (printf, 2, 0)));
     79 void		_warn(const char *, ...)
     80 			__attribute__((__format__ (printf, 1, 2)));
     81 void		_vwarn(const char *, __va_list)
     82 			__attribute__((__format__ (printf, 1, 0)));
     83 void		_warnx(const char *, ...)
     84 			__attribute__((__format__ (printf, 1, 2)));
     85 void		_vwarnx(const char *, __va_list)
     86 			__attribute__((__format__ (printf, 1, 0)));
     87 
     88 __END_DECLS
     89 
     90 #endif /* !_ERR_H_ */
     91