hash.h

来自「开放源码的编译器open watcom 1.6.0版的源代码」· C头文件 代码 · 共 62 行

/****************************************************************************
*
*                            Open Watcom Project
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*    Portions Copyright (c) 1983-2002 Sybase, Inc. All Rights Reserved.
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*    This file contains Original Code and/or Modifications of Original
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#ifndef _HASH_H
#define _HASH_H

#include <stddef.h>


/*
 * Define some types.
 */
typedef void *          HashTable;
typedef unsigned        (*HashFunction)( const void *item );
typedef int             (*HashCompareFunction)( const void *item1,
                                                const void *item2 );
typedef int             (*HashWalkCallback)( const void *item, void *cookie );


/*
 * Function prototypes.
 */
extern HashTable    InitHash( unsigned numbuckets, HashFunction hashfunc,
                              HashCompareFunction comparefunc );
extern void         FiniHash( HashTable _table, int freeitems );

extern void         InsertHash( HashTable *table, const void *item );
extern void         WalkBucketHash( HashTable *table, const void *item,
                                    HashWalkCallback callback, void *cookie );


#endif