gnu/dist/groff/src/include/errarg.h

   1 /*      $NetBSD$        */
   2
   3 // -*- C++ -*-
   4 /* Copyright (C) 1989, 1990, 1991, 1992, 2002 Free Software Foundation, Inc.
   5      Written by James Clark (jjc@jclark.com)
   6
   7 This file is part of groff.
   8
   9 groff is free software; you can redistribute it and/or modify it under
  10 the terms of the GNU General Public License as published by the Free
  11 Software Foundation; either version 2, or (at your option) any later
  12 version.
  13
  14 groff is distributed in the hope that it will be useful, but WITHOUT ANY
  15 WARRANTY; without even the implied warranty of MERCHANTABILITY or
  16 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  17 for more details.
  18
  19 You should have received a copy of the GNU General Public License along
  20 with groff; see the file COPYING.  If not, write to the Free Software
  21 Foundation, 51 Franklin St - Fifth Floor, Boston, MA 02110-1301, USA. */
  22
  23 class errarg {
  24   enum { EMPTY, STRING, CHAR, INTEGER, UNSIGNED_INTEGER, DOUBLE } type;
  25   union {
  26     const char *s;
  27     int n;
  28     unsigned int u;
  29     char c;
  30     double d;
  31   };
  32  public:
  33   errarg();
  34   errarg(const char *);
  35   errarg(char);
  36   errarg(unsigned char);
  37   errarg(int);
  38   errarg(unsigned int);
  39   errarg(double);
  40   int empty() const;
  41   void print() const;
  42 };
  43
  44 extern errarg empty_errarg;
  45
  46 extern void errprint(const char *,
  47                      const errarg &arg1 = empty_errarg,
  48                      const errarg &arg2 = empty_errarg,
  49                      const errarg &arg3 = empty_errarg);