Category : C Source Code
Archive   : GPERF.ZIP
Filename : LISTNODE.H

/* Data and function members for defining values and operations of a list node.

Copyright (C) 1989 Free Software Foundation, Inc.
written by Douglas C. Schmidt ([email protected])

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 _listnode_h
#define _listnode_h
#include "prototyp.h"

#define ALPHABET_SIZE 128

typedef struct list_node

{
char *key; /* Key string. */
char *rest; /* Additional information for building hash function. */
char *key_set; /* Set of characters to hash, specified by user. */
char *uniq_set; /* The unique set of the previous characters. */
int length; /* Length of the key. */
int hash_value; /* Hash value for the key. */
int occurrence; /* A metric for frequency of key set occurrences. */
int index; /* Position of this node relative to other nodes. */
struct list_node *link; /* TRUE if key has an identical KEY_SET as another key. */
struct list_node *next; /* Points to next element on the list. */
} LIST_NODE;

extern LIST_NODE *make_list_node P ((char *k, int len));

#endif