include/err.h

   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 __dead void     err(int, const char *, ...)
  51                         __attribute__((__format__ (printf, 2, 3)));
  52 __dead void     verr(int, const char *, __va_list)
  53                         __attribute__((__format__ (printf, 2, 0)));
  54 __dead void     errx(int, const char *, ...)
  55                         __attribute__((__format__ (printf, 2, 3)));
  56 __dead 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 __dead void     _err(int, const char *, ...)
  72                         __attribute__((__format__ (printf, 2, 3)));
  73 __dead void     _verr(int, const char *, __va_list)
  74                         __attribute__((__format__ (printf, 2, 0)));
  75 __dead void     _errx(int, const char *, ...)
  76                         __attribute__((__format__ (printf, 2, 3)));
  77 __dead 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_ */