misc/err.h

   1 /* 4.4BSD utility functions for error messages.
   2    Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Library General Public License as
   7    published by the Free Software Foundation; either version 2 of the
   8    License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Library General Public License for more details.
  14
  15    You should have received a copy of the GNU Library General Public
  16    License along with the GNU C Library; see the file COPYING.LIB.  If not,
  17    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  18    Boston, MA 02111-1307, USA.  */
  19
  20 #ifndef _ERR_H
  21 #define _ERR_H  1
  22
  23 #include <features.h>
  24
  25 #define __need___va_list
  26 #include <stdarg.h>
  27 #ifndef __GNUC_VA_LIST
  28 # define __gnuc_va_list __ptr_t
  29 #endif
  30
  31 __BEGIN_DECLS
  32
  33 /* Print FORMAT on stderr.  */
  34 extern void warn __P ((__const char *__format, ...))
  35      __attribute__ ((format (printf, 1, 2)));
  36 extern void vwarn __P ((__const char *__format, __gnuc_va_list))
  37      __attribute__ ((format (printf, 1, 0)));
  38
  39 /* Print "program: ", and FORMAT, and a newline, on stderr.  */
  40 extern void warnx __P ((__const char *__format, ...))
  41      __attribute__ ((format (printf, 1, 2)));
  42 extern void vwarnx __P ((__const char *__format, __gnuc_va_list))
  43      __attribute__ ((format (printf, 1, 0)));
  44
  45 /* Likewise, and then exit with STATUS.  */
  46 extern void err __P ((int __status, __const char *__format, ...))
  47      __attribute__ ((noreturn, format (printf, 2, 3)));
  48 extern void verr __P ((int __status, __const char *__format, __gnuc_va_list))
  49      __attribute__ ((noreturn, format (printf, 2, 0)));
  50 extern void errx __P ((int __status, __const char *__format, ...))
  51      __attribute__ ((noreturn, format (printf, 2, 3)));
  52 extern void verrx __P ((int __status, __const char *, __gnuc_va_list))
  53      __attribute__ ((noreturn, format (printf, 2, 0)));
  54
  55 __END_DECLS
  56
  57 #endif  /* err.h */