hash-table.h

早期freebsd实现

/* This may look like C code, but it is really -*- C++ -*- */

/* Hash table used to check for duplicate keyword entries.

   Copyright (C) 1989 Free Software Foundation, Inc.
   written by Douglas C. Schmidt ([e-mail])

This file is part of GNU GPERF.

GNU GPERF 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 1, or (at your option)
any later version.

GNU GPERF 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 GNU GPERF; see the file COPYING.  If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */

#ifndef hash_table_h
#define hash_table_h 1
#include "list-node.h"

class Hash_Table 
{
private:
  List_Node     **table;      /* Vector of pointers to linked lists of List_Node's. */
  int             size;       /* Size of the vector. */
  int             collisions; /* Find out how well our double hashing is working! */

public:
                  Hash_Table (List_Node **t, int s);
                 ~Hash_Table (void);
  List_Node      *operator () (List_Node *item, int ignore_length);
};
#endif