misc/err.h

   1 /* 4.4BSD utility functions for error messages.
   2    Copyright (C) 1995,1996,1997,1998,1999,2003 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 Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the 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    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, write to the Free
  17    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  18    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 "program: ", FORMAT, ": ", the standard error string for errno,
  34    and a newline, on stderr.  */
  35 extern void warn (__const char *__format, ...)
  36      __attribute__ ((__format__ (__printf__, 1, 2)));
  37 extern void vwarn (__const char *__format, __gnuc_va_list)
  38      __attribute__ ((__format__ (__printf__, 1, 0)));
  39
  40 /* Likewise, but without ": " and the standard error string.  */
  41 extern void warnx (__const char *__format, ...)
  42      __attribute__ ((__format__ (__printf__, 1, 2)));
  43 extern void vwarnx (__const char *__format, __gnuc_va_list)
  44      __attribute__ ((__format__ (__printf__, 1, 0)));
  45
  46 /* Likewise, and then exit with STATUS.  */
  47 extern void err (int __status, __const char *__format, ...)
  48      __attribute__ ((__noreturn__, __format__ (__printf__, 2, 3)));
  49 extern void verr (int __status, __const char *__format, __gnuc_va_list)
  50      __attribute__ ((__noreturn__, __format__ (__printf__, 2, 0)));
  51 extern void errx (int __status, __const char *__format, ...)
  52      __attribute__ ((__noreturn__, __format__ (__printf__, 2, 3)));
  53 extern void verrx (int __status, __const char *, __gnuc_va_list)
  54      __attribute__ ((__noreturn__, __format__ (__printf__, 2, 0)));
  55
  56 __END_DECLS
  57
  58 #endif  /* err.h */