include/err.h

   1 /*      $NetBSD: err.h,v 1.13 2003/08/07 09:44:10 agc Exp $     */
   2
   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  *      @(#)err.h       8.1 (Berkeley) 6/2/93
  32  */
  33
  34 #ifndef _ERR_H_
  35 #define _ERR_H_
  36
  37 /*
  38  * Don't use va_list in the err/warn prototypes.   Va_list is typedef'd in two
  39  * places (<machine/varargs.h> and <machine/stdarg.h>), so if we include one
  40  * of them here we may collide with the utility's includes.  It's unreasonable
  41  * for utilities to have to include one of them to include err.h, so we get
  42  * _BSD_VA_LIST_ from <machine/ansi.h> and use it.
  43  */
  44 #include <machine/ansi.h>
  45 #include <sys/cdefs.h>
  46
  47 __BEGIN_DECLS
  48 __dead void     err(int, const char *, ...)
  49                     __attribute__((__noreturn__, __format__(__printf__, 2, 3)));
  50 __dead void     verr(int, const char *, _BSD_VA_LIST_)
  51                     __attribute__((__noreturn__, __format__(__printf__, 2, 0)));
  52 __dead void     errx(int, const char *, ...)
  53                     __attribute__((__noreturn__, __format__(__printf__, 2, 3)));
  54 __dead void     verrx(int, const char *, _BSD_VA_LIST_)
  55                     __attribute__((__noreturn__, __format__(__printf__, 2, 0)));
  56 void            warn(const char *, ...)
  57                     __attribute__((__format__(__printf__, 1, 2)));
  58 void            vwarn(const char *, _BSD_VA_LIST_)
  59                     __attribute__((__format__(__printf__, 1, 0)));
  60 void            warnx(const char *, ...)
  61                     __attribute__((__format__(__printf__, 1, 2)));
  62 void            vwarnx(const char *, _BSD_VA_LIST_)
  63                     __attribute__((__format__(__printf__, 1, 0)));
  64 __END_DECLS
  65
  66 #endif /* !_ERR_H_ */