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 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); 50