Files
harbour-core/harbour/include/hbhash.h
Viktor Szakats 6b822b4900 2012-12-19 07:08 UTC+0100 Viktor Szakats (harbour syenar.net)
* contrib/hbcurl/core.c
  * doc/en/garbage.txt
  * include/hbapi.h
  * include/hbapicdp.h
  * include/hbapierr.h
  * include/hbcomp.h
  * include/hbcompdf.h
  * include/hbexpra.c
  * include/hbexprb.c
  * include/hbexprop.h
  * include/hbhash.h
  * include/hbmacro.h
  * src/common/expropt1.c
  * src/common/expropt2.c
  * src/common/hbhash.c
  * src/compiler/genc.c
  * src/compiler/gencc.c
  * src/compiler/harbour.y
  * src/compiler/harbour.yyc
  * src/compiler/harbour.yyh
  * src/compiler/hbcmplib.c
  * src/compiler/hbcomp.c
  * src/compiler/hbdead.c
  * src/compiler/hbfix.c
  * src/compiler/hbgenerr.c
  * src/compiler/hblbl.c
  * src/compiler/hbmain.c
  * src/compiler/hbopt.c
  * src/compiler/hbpcode.c
  * src/compiler/hbstripl.c
  * src/compiler/ppcomp.c
  * src/macro/macro.y
  * src/macro/macro.yyc
  * src/macro/macro.yyh
  * src/macro/macrolex.c
  * src/rdd/hsx/hsx.c
  * src/rdd/workarea.c
  * src/rtl/errapi.c
  * src/vm/garbage.c
  * src/vm/hashes.c
  * src/vm/hvm.c
  * src/vm/macro.c
    * HB_*_PTR pointer types renamed to HBP_*
    * left HB_MACRO_PTR, HB_ERROR_INFO_PTR, HB_HASH_TABLE_PTR,
      HB_GARBAGE_FUNC_PTR for compatibility, but they are deprecated.
    ; Now all Harbour specific pointers types have 'PHB_' prefix
2012-12-19 06:19:13 +00:00

99 lines
4.3 KiB
C

/*
* $Id$
*/
/*
* Harbour Project source code:
* Harbour common hash table implementation
*
* Copyright 1999 Ryszard Glab <rglab@imid.med.pl>
* www - http://harbour-project.org
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this software; see the file COPYING.txt. If not, write to
* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307 USA (or visit the web site http://www.gnu.org/).
*
* As a special exception, the Harbour Project gives permission for
* additional uses of the text contained in its release of Harbour.
*
* The exception is that, if you link the Harbour libraries with other
* files to produce an executable, this does not by itself cause the
* resulting executable to be covered by the GNU General Public License.
* Your use of that executable is in no way restricted on account of
* linking the Harbour library code into it.
*
* This exception does not however invalidate any other reasons why
* the executable file might be covered by the GNU General Public License.
*
* This exception applies only to the code released by the Harbour
* Project under the name Harbour. If you copy code from other
* Harbour Project or Free Software Foundation releases into a copy of
* Harbour, as the General Public License permits, the exception does
* not apply to the code that you add in this way. To avoid misleading
* anyone as to the status of such modified files, you must delete
* this exception notice from them.
*
* If you write modifications of your own for Harbour, it is your choice
* whether to permit this exception to apply to your modifications.
* If you do not wish that, delete this exception notice.
*
*/
#ifndef HB_HASH_H_
#define HB_HASH_H_
#include "hbapi.h"
HB_EXTERN_BEGIN
struct HB_HASH_TABLE_;
#define HB_HASH_FUNC( hbfunc ) HB_SIZE hbfunc( struct HB_HASH_TABLE_ * HashPtr, const void * Value, const void * Cargo )
typedef HB_HASH_FUNC( ( * PHB_HASH_FUNC ) );
typedef struct HB_HASH_ITEM_
{
const void * ValPtr; /* value stored in the hash table */
const void * KeyPtr;
HB_SIZE key;
struct HB_HASH_ITEM_ *next;
} HB_HASH_ITEM, * PHB_HASH_ITEM;
typedef struct HB_HASH_TABLE_
{
PHB_HASH_ITEM * pItems; /* pointer to items */
HB_SIZE nTableSize; /* the table size - number of slots */
HB_SIZE nCount; /* number of items stored in the table */
HB_SIZE nUsed; /* number of used slots */
PHB_HASH_FUNC pKeyFunc; /* pointer to func that returns key value */
PHB_HASH_FUNC pDeleteItemFunc; /* ptr to func that deletes value stored in the table */
PHB_HASH_FUNC pCompFunc; /* ptr to func that compares two items */
} HB_HASH_TABLE, * PHB_HASH_TABLE;
extern HB_EXPORT_INT PHB_HASH_TABLE hb_hashTableCreate( HB_SIZE nSize,
PHB_HASH_FUNC pHashFunc,
PHB_HASH_FUNC pDelete,
PHB_HASH_FUNC pComp );
extern HB_EXPORT_INT void hb_hashTableKill( PHB_HASH_TABLE pTable ); /* release all items and the hash table */
extern HB_EXPORT_INT HB_BOOL hb_hashTableAdd( PHB_HASH_TABLE pTable, const void * pKey, const void * pValue ); /* add a new item into the table */
extern HB_EXPORT_INT HB_BOOL hb_hashTableDel( PHB_HASH_TABLE pTable, const void * pKey ); /* delete an item from the table */
extern HB_EXPORT_INT const void * hb_hashTableFind( PHB_HASH_TABLE pTable, const void * pKey ); /* return the pointer to item's value or NULL if not found */
extern HB_EXPORT_INT PHB_HASH_TABLE hb_hashTableResize( PHB_HASH_TABLE pTable, HB_SIZE nNewSize ); /* resize the hash table */
extern HB_EXPORT_INT HB_SIZE hb_hashTableSize( PHB_HASH_TABLE pTable ); /* return the hash table size */
HB_EXTERN_END
#endif /* HB_HASH_H_ */