1 // -*- C++ -*- 2 /* Copyright (C) 1989, 1990, 1991, 1992 Free Software Foundation, Inc. 3 Written by James Clark (jjc@jclark.com) 4 5 This file is part of groff. 6 7 groff is free software; you can redistribute it and/or modify it under 8 the terms of the GNU General Public License as published by the Free 9 Software Foundation; either version 2, or (at your option) any later 10 version. 11 12 groff is distributed in the hope that it will be useful, but WITHOUT ANY 13 WARRANTY; without even the implied warranty of MERCHANTABILITY or 14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 15 for more details. 16 17 You should have received a copy of the GNU General Public License along 18 with groff; see the file COPYING. If not, write to the Free Software 19 Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ 20 21 class errarg { 22 enum { EMPTY, STRING, CHAR, INTEGER, DOUBLE } type; 23 union { 24 const char *s; 25 int n; 26 char c; 27 double d; 28 }; 29 public: 30 errarg(); 31 errarg(const char *); 32 errarg(char); 33 errarg(unsigned char); 34 errarg(int); 35 errarg(double); 36 int empty() const; 37 void print() const; 38 }; 39 40 extern errarg empty_errarg; 41 42 extern void errprint(const char *, 43 const errarg &arg1 = empty_errarg, 44 const errarg &arg2 = empty_errarg, 45 const errarg &arg3 = empty_errarg); 46 47