pjs/ef/gc/include/smhash.h

88 строки
2.8 KiB
C

/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; -*-
*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
/*******************************************************************************
S P O R T M O D E L
_____
____/_____\____
/__o____o____o__\ __
\_______________/ (@@)/
/\_____|_____/\ x~[]~
~~~~~~~~~~~/~~~~~~~|~~~~~~~\~~~~~~~~/\~~~~~~~~~
Advanced Technology Garbage Collector
Copyright (c) 1997 Netscape Communications, Inc. All rights reserved.
Recovered by: Warren Harris
*******************************************************************************/
#ifndef __SMHASH__
#define __SMHASH__
#include "smobj.h"
SM_BEGIN_EXTERN_C
/******************************************************************************/
typedef struct SMHashEntry {
PRUword key;
SMObject* value;
} SMHashEntry;
typedef struct SMHashTable {
SMArrayStruct array;
SMHashEntry entry[1];
/* other hash table entries follow */
} SMHashTable;
#define SM_HASHTABLE_ENTRIES(ht) (&(ht)->entry0)
#define SM_HASHTABLE_SIZES 32
extern PRUword sm_HashPrimes[SM_HASHTABLE_SIZES];
extern PRUword sm_HashMasks[SM_HASHTABLE_SIZES];
#define SM_HASHTABLE_HASH1(ht, k) \
(((k) * sm_HashPrimes[ht->inherit.size]) & sm_HashMasks[ht->inherit.size])
#define SM_HASHTABLE_HASH2(h) \
(((h) >> sm_HashMasks[ht->inherit.size - 1]) | 1)
/******************************************************************************/
SM_EXTERN(SMHashTable*)
SM_NewHashTable(PRUword initialSize, PRUword maxSize);
SM_EXTERN(SMObject*)
SM_HashTableLookup(SMHashTable* self, PRUword key);
SM_EXTERN(void)
SM_HashTableInsert(SMHashTable* self, PRUword key, SMObject* value);
SM_EXTERN(SMObject*)
SM_HashTableRemove(SMHashTable* self, PRUword key);
SM_EXTERN(SMObject*)
SM_HashTableDelete(SMHashTable* self, PRUword key);
/******************************************************************************/
SM_END_EXTERN_C
#endif /* __SMHASH__ */
/******************************************************************************/