freebsd-dev/gnu/usr.bin/cvs/lib/hash.h

67 lines
1.4 KiB
C

/* $CVSid: @(#)hash.h 1.23 94/10/07 $ */
/*
* 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 1.4 kit.
*/
/*
* 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
{
UNKNOWN, HEADER, ENTRIES, FILES, LIST, RCSNODE,
RCSVERS, DIRS, UPDATE, LOCK, NDBMNODE
};
typedef enum ntype Ntype;
struct node
{
Ntype type;
struct node *next;
struct node *prev;
struct node *hashnext;
struct node *hashprev;
char *key;
char *data;
void (*delproc) ();
};
typedef struct node Node;
struct list
{
Node *list;
Node *hasharray[HASHSIZE];
struct list *next;
};
typedef struct list List;
struct entnode
{
char *version;
char *timestamp;
char *options;
char *tag;
char *date;
char *conflict;
};
typedef struct entnode Entnode;
List *getlist PROTO((void));
Node *findnode PROTO((List * list, char *key));
Node *getnode PROTO((void));
int addnode PROTO((List * list, Node * p));
int walklist PROTO((List * list, int PROTO((*proc)) PROTO((Node *n, void *closure)), void *closure));
void dellist PROTO((List ** listp));
void delnode PROTO((Node * p));
void freenode PROTO((Node * p));
void sortlist PROTO((List * list, int PROTO((*comp))()));