oskit/oskit-20020317/com/sfs_new_hashtab.h

92 lines
3.0 KiB
C
Executable File

/*
* Copyright (c) 1999 The University of Utah and the Flux Group.
* All rights reserved.
*
* Contributed by the Computer Security Research division,
* INFOSEC Research and Technology Office, NSA.
*
* This file is part of the Flux OSKit. The OSKit is free software, also known
* as "open source;" you can redistribute it and/or modify it under the terms
* of the GNU General Public License (GPL), version 2, as published by the Free
* Software Foundation (FSF). To explore alternate licensing terms, contact
* the University of Utah at csl-dist@cs.utah.edu or +1-801-585-3271.
*
* The OSKit 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 GPL for more details. You should have
* received a copy of the GPL along with the OSKit; see the file COPYING. If
* not, write to the FSF, 59 Temple Place #330, Boston, MA 02111-1307, USA.
*/
#ifndef _OSKIT_COM_SFS_NEW_HASHTAB_H_
#define _OSKIT_COM_SFS_NEW_HASHTAB_H_
#include <oskit/types.h>
#include <oskit/com.h>
#include <oskit/com/services.h>
#include <oskit/dev/osenv.h>
#include <oskit/dev/osenv_mem.h>
typedef oskit_u32_t hashtab_key_t;
typedef oskit_u32_t hashtab_datum_t;
#define INOTAB_SIZE 71
#define HASH_VALUE(k) ((k) % INOTAB_SIZE)
#define KEYCMP(k1,k2) ((k1) != (k2))
typedef struct hashtab_node_t* hashtab_ptr_t;
struct hashtab_node_t
{
hashtab_key_t key;
hashtab_datum_t datum;
hashtab_ptr_t next;
};
typedef struct
{
hashtab_ptr_t *htable;
oskit_osenv_mem_t *mem;
} hashtab_val_t;
typedef hashtab_val_t* hashtab_t;
#include <oskit/error.h>
#define HASHTAB_SUCCESS 0
#define HASHTAB_OVERFLOW OSKIT_ENOMEM
#define HASHTAB_PRESENT OSKIT_EEXIST
#define HASHTAB_MISSING OSKIT_ENOENT
/* Symbol space cleanliness */
#define hashtab_create oskit_com_sfs_new_hashtab_create
#define hashtab_destroy oskit_com_sfs_new_hashtab_destroy
#define hashtab_insert oskit_com_sfs_new_hashtab_insert
#define hashtab_remove oskit_com_sfs_new_hashtab_remove
#define hashtab_replace oskit_com_sfs_new_hashtab_replace
#define hashtab_search oskit_com_sfs_new_hashtab_search
#define hashtab_reverse_search oskit_com_sfs_new_hashtab_reverse_search
#define hashtab_map oskit_com_sfs_new_hashtab_map
#define hashtab_map_remove_on_error oskit_com_sfs_new_hashtab_map_remove_on_error
hashtab_t hashtab_create(oskit_osenv_mem_t *mem);
int hashtab_insert(hashtab_t h, hashtab_key_t k, hashtab_datum_t d);
int hashtab_remove(hashtab_t h, hashtab_key_t k);
int hashtab_replace(hashtab_t h, hashtab_key_t k, hashtab_datum_t d);
hashtab_datum_t hashtab_search(hashtab_t h, hashtab_key_t k);
hashtab_key_t hashtab_reverse_search(hashtab_t h, hashtab_datum_t d);
void hashtab_destroy(hashtab_t h);
int hashtab_map(hashtab_t h,
int (*apply)(hashtab_key_t k,
hashtab_datum_t d,
void *args),
void *args);
void hashtab_map_remove_on_error(hashtab_t h,
int (*apply)(hashtab_key_t k,
hashtab_datum_t d,
void *args),
void *args);
#endif