/*
 * Copyright (C) 1986-2005 The Free Software Foundation, Inc.
 *
 * Portions Copyright (C) 1998-2005 Derek Price, Ximbiot <http://ximbiot.com>,
 *                                  and others.
 *
 * Portions Copyright (C) 1992, Brian Berliner and Jeff Polk
 * 
 * You may distribute under the terms of the GNU General Public License as
 * specified in the README file that comes with the CVS source distribution.
 */

/*
 * The number of buckets for the hash table contained in each list.  This
 * should probably be prime.
 */
#define HASHSIZE	151

/*
 * Types of nodes
 */
enum ntype
{
    NT_UNKNOWN, HEADER, ENTRIES, FILES, LIST, RCSNODE,
    RCSVERS, DIRS, UPDATE, LOCK, NDBMNODE, FILEATTR,
    VARIABLE, RCSFIELD, RCSCMPFLD
};
typedef enum ntype Ntype;

struct hashnode
{
    Ntype type;
    struct hashnode *next;
    struct hashnode *prev;
    struct hashnode *hashnext;
    struct hashnode *hashprev;
    char *key;
    void *data;
    void (*delproc) ();
};
typedef struct hashnode Node;

struct hashlist
{
    Node *list;
    Node *hasharray[HASHSIZE];
    struct hashlist *next;
};
typedef struct hashlist List;

List *getlist PROTO((void));
Node *findnode PROTO((List * list, const char *key));
Node *findnode_fn PROTO((List * list, const char *key));
Node *getnode PROTO((void));
int insert_before PROTO((List * list, Node * marker, Node * p));
int addnode PROTO((List * list, Node * p));
int addnode_at_front PROTO((List * list, Node * p));
int walklist PROTO((List * list, int (*)(Node *n, void *closure), void *closure));
int list_isempty PROTO ((List *list));
void dellist PROTO((List ** listp));
void delnode PROTO((Node * p));
void freenode PROTO((Node * p));
void sortlist PROTO((List * list, int (*)(const Node *, const Node *)));
int fsortcmp PROTO((const Node * p, const Node * q));