include/err.h

   1 /*-
   2  * SPDX-License-Identifier: BSD-3-Clause
   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
  32 #ifndef _ERR_H_
  33 #define _ERR_H_
  34
  35 /*
  36  * Don't use va_list in the err/warn prototypes.   Va_list is typedef'd in two
  37  * places (<machine/varargs.h> and <machine/stdarg.h>), so if we include one
  38  * of them here we may collide with the utility's includes.  It's unreasonable
  39  * for utilities to have to include one of them to include err.h, so we get
  40  * __va_list from <sys/_types.h> and use it.
  41  */
  42 #include <sys/cdefs.h>
  43 #include <sys/_types.h>
  44
  45 __NULLABILITY_PRAGMA_PUSH
  46
  47 __BEGIN_DECLS
  48 void    err(int, const char *, ...) __dead2 __printf0like(2, 3);
  49 void    verr(int, const char *, __va_list) __dead2 __printf0like(2, 0);
  50 void    errc(int, int, const char *, ...) __dead2 __printf0like(3, 4);
  51 void    verrc(int, int, const char *, __va_list) __dead2
  52             __printf0like(3, 0);
  53 void    errx(int, const char *, ...) __dead2 __printf0like(2, 3);
  54 void    verrx(int, const char *, __va_list) __dead2 __printf0like(2, 0);
  55 void    warn(const char *, ...) __printf0like(1, 2);
  56 void    vwarn(const char *, __va_list) __printf0like(1, 0);
  57 void    warnc(int, const char *, ...) __printf0like(2, 3);
  58 void    vwarnc(int, const char *, __va_list) __printf0like(2, 0);
  59 void    warnx(const char *, ...) __printflike(1, 2);
  60 void    vwarnx(const char *, __va_list) __printf0like(1, 0);
  61 void    err_set_file(void *);
  62 void    err_set_exit(void (* _Nullable)(int));
  63 __END_DECLS
  64 __NULLABILITY_PRAGMA_POP
  65
  66 #endif /* !_ERR_H_ */