e_hash.h

对于研究FPGA结构的人来说

/*------------------------------------------------------------------------*
* Copyright 1998 by Paul Leventis, Jonathan Rose and the University of    *
* Toronto.  Use is permitted, provided that this attribution is retained  *
* and no part of the code is re-distributed or included in any commercial *
* product except by written agreement with the above parties.             *
*                                                                         *
* For more information, contact us directly:                              *
*    Paul Leventis ([e-mail])                             *
*    Jonathan Rose  ([e-mail])                              *
*    Department of Electrical and Computer Engineering                    *
*    University of Toronto, 10 King's College Rd.,                        *
*    Toronto, Ontario, CANADA M5S 1A4                                     *
*    Phone: [phone]  Fax: [phone]                           *
*------------------------------------------------------------------------*/

/* 
 * e_hash.h
 * Generalized hash structure definition
 *
 * Paul Leventis, July 1997
*/

#ifndef E_HASH_H
#define E_HASH_H

struct tagHASH_ENTRY {
	char *name;
	int index;
	void *pPayload;
	struct tagHASH_ENTRY *pNextEntry;
};
typedef struct tagHASH_ENTRY HASH_ENTRY;

struct tagHASH_TABLE {
	int size;
	HASH_ENTRY **table;
	int (*hash_func)(char *);
	void (*free_payload)(void *);
};
typedef struct tagHASH_TABLE HASH_TABLE;

#define hash_free(pHashTable) { hash_free_helper(pHashTable); pHashTable = NULL; }

int hash_add(HASH_TABLE *pHashTable, char *key, void *pPackage);
void* hash_get(HASH_TABLE *pHashTable, char *key);
HASH_TABLE *hash_alloc(int size, int (*hash_func)(char *), void (*free_entry)(void *));
void hash_free_helper(HASH_TABLE *pHashTable);
int hash_remove(HASH_TABLE *pHashTable, char *key);
int hash_hashfunc1(char *key);
int hash_hashfunc2(char *key);

#endif