From 6a4f3d0fd940c1e7052ddf23907f0e297dc42f4b Mon Sep 17 00:00:00 2001 From: etheisen Date: Sat, 14 Sep 1996 19:02:02 +0000 Subject: Third time because import sucks. --- gnu/usr.bin/groff/include/refid.h | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 gnu/usr.bin/groff/include/refid.h (limited to 'gnu/usr.bin/groff/include/refid.h') diff --git a/gnu/usr.bin/groff/include/refid.h b/gnu/usr.bin/groff/include/refid.h new file mode 100644 index 00000000000..605427e9af9 --- /dev/null +++ b/gnu/usr.bin/groff/include/refid.h @@ -0,0 +1,35 @@ +// -*- 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + +class reference_id { + int filename_id; + int pos; +public: + reference_id() : filename_id(-1) { } + reference_id(int fid, int off) : filename_id(fid), pos(off) { } + unsigned hash() const { return (filename_id << 4) + pos; } + int is_null() const { return filename_id < 0; } + friend inline int operator==(const reference_id &, const reference_id &); +}; + +inline int operator==(const reference_id &r1, const reference_id &r2) +{ + return r1.filename_id == r2.filename_id && r1.pos == r2.pos; +} -- cgit v1.2.3