NetBSD/gnu/usr.bin/groff/include/errarg.h

47 lines
1.3 KiB
C++

// -*- C++ -*-
/* Copyright (C) 1989, 1990, 1991, 1992 Free Software Foundation, Inc.
Written by James Clark (jjc@jclark.com)
This file is part of groff.
groff is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 2, or (at your option) any later
version.
groff is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License along
with groff; see the file COPYING. If not, write to the Free Software
Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
class errarg {
enum { EMPTY, STRING, CHAR, INTEGER, DOUBLE } type;
union {
const char *s;
int n;
char c;
double d;
};
public:
errarg();
errarg(const char *);
errarg(char);
errarg(unsigned char);
errarg(int);
errarg(double);
int empty() const;
void print() const;
};
extern errarg empty_errarg;
extern void errprint(const char *,
const errarg &arg1 = empty_errarg,
const errarg &arg2 = empty_errarg,
const errarg &arg3 = empty_errarg);