1/*	$NetBSD: errarg.h,v 1.1.1.1 2016/01/13 18:41:48 christos Exp $	*/
2
3// -*- C++ -*-
4/* Copyright (C) 1989, 1990, 1991, 1992, 2002 Free Software Foundation, Inc.
5     Written by James Clark (jjc@jclark.com)
6
7This file is part of groff.
8
9groff is free software; you can redistribute it and/or modify it under
10the terms of the GNU General Public License as published by the Free
11Software Foundation; either version 2, or (at your option) any later
12version.
13
14groff is distributed in the hope that it will be useful, but WITHOUT ANY
15WARRANTY; without even the implied warranty of MERCHANTABILITY or
16FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
17for more details.
18
19You should have received a copy of the GNU General Public License along
20with groff; see the file COPYING.  If not, write to the Free Software
21Foundation, 51 Franklin St - Fifth Floor, Boston, MA 02110-1301, USA. */
22
23class 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
44extern errarg empty_errarg;
45
46extern void errprint(const char *,
47		     const errarg &arg1 = empty_errarg,
48		     const errarg &arg2 = empty_errarg,
49		     const errarg &arg3 = empty_errarg);
50