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/* -*- mode: C; c-file-style: "gnu" -*- */
/* dbus-hash.h Generic hash table utility (internal to D-BUS implementation)
*
* Copyright (C) 2002 Red Hat, Inc.
*
* Licensed under the Academic Free License version 1.2
*
* 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 of the License, 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 program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#ifndef DBUS_HASH_H
#define DBUS_HASH_H
#include <dbus/dbus-memory.h>
#include <dbus/dbus-types.h>
DBUS_BEGIN_DECLS;
/* The iterator is on the stack, but its real fields are
* hidden privately.
*/
struct DBusHashIter
{
void *dummy1;
void *dummy2;
void *dummy3;
void *dummy4;
int dummy5;
int dummy6;
};
typedef struct DBusHashTable DBusHashTable;
typedef struct DBusHashIter DBusHashIter;
/* Allowing an arbitrary function as with GLib
* would be nicer for a public API, but for
* an internal API this saves typing, we can add
* more whenever we feel like it.
*/
typedef enum
{
DBUS_HASH_STRING, /**< Hash keys are strings. */
DBUS_HASH_INT, /**< Hash keys are integers. */
DBUS_HASH_POINTER, /**< Hash keys are pointers. */
DBUS_HASH_ULONG /**< Hash keys are unsigned long. */
} DBusHashType;
DBusHashTable* _dbus_hash_table_new (DBusHashType type,
DBusFreeFunction key_free_function,
DBusFreeFunction value_free_function);
void _dbus_hash_table_ref (DBusHashTable *table);
void _dbus_hash_table_unref (DBusHashTable *table);
void _dbus_hash_iter_init (DBusHashTable *table,
DBusHashIter *iter);
dbus_bool_t _dbus_hash_iter_next (DBusHashIter *iter);
void _dbus_hash_iter_remove_entry (DBusHashIter *iter);
void* _dbus_hash_iter_get_value (DBusHashIter *iter);
void _dbus_hash_iter_set_value (DBusHashIter *iter,
void *value);
int _dbus_hash_iter_get_int_key (DBusHashIter *iter);
const char* _dbus_hash_iter_get_string_key (DBusHashIter *iter);
unsigned long _dbus_hash_iter_get_ulong_key (DBusHashIter *iter);
dbus_bool_t _dbus_hash_iter_lookup (DBusHashTable *table,
void *key,
dbus_bool_t create_if_not_found,
DBusHashIter *iter);
void* _dbus_hash_table_lookup_string (DBusHashTable *table,
const char *key);
void* _dbus_hash_table_lookup_int (DBusHashTable *table,
int key);
void* _dbus_hash_table_lookup_pointer (DBusHashTable *table,
void *key);
void* _dbus_hash_table_lookup_ulong (DBusHashTable *table,
unsigned long key);
dbus_bool_t _dbus_hash_table_remove_string (DBusHashTable *table,
const char *key);
dbus_bool_t _dbus_hash_table_remove_int (DBusHashTable *table,
int key);
dbus_bool_t _dbus_hash_table_remove_pointer (DBusHashTable *table,
void *key);
dbus_bool_t _dbus_hash_table_remove_ulong (DBusHashTable *table,
unsigned long key);
dbus_bool_t _dbus_hash_table_insert_string (DBusHashTable *table,
char *key,
void *value);
dbus_bool_t _dbus_hash_table_insert_int (DBusHashTable *table,
int key,
void *value);
dbus_bool_t _dbus_hash_table_insert_pointer (DBusHashTable *table,
void *key,
void *value);
dbus_bool_t _dbus_hash_table_insert_ulong (DBusHashTable *table,
unsigned long key,
void *value);
int _dbus_hash_table_get_n_entries (DBusHashTable *table);
DBUS_END_DECLS;
#endif /* DBUS_HASH_H */
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