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 #define INDEX_MAGIC 0x23021964 22 #define INDEX_VERSION 1 23 24 struct index_header { 25 int magic; 26 int version; 27 int tags_size; 28 int table_size; 29 int lists_size; 30 int strings_size; 31 int truncate; 32 int shortest; 33 int common; 34 }; 35 36 struct tag { 37 int filename_index; 38 int start; 39 int length; 40 }; 41 42 unsigned hash(const char *s, int len); 43