D-Bus 1.2.24
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00001 /* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */ 00002 /* dbus-hash.h Generic hash table utility (internal to D-Bus implementation) 00003 * 00004 * Copyright (C) 2002 Red Hat, Inc. 00005 * 00006 * Licensed under the Academic Free License version 2.1 00007 * 00008 * This program is free software; you can redistribute it and/or modify 00009 * it under the terms of the GNU General Public License as published by 00010 * the Free Software Foundation; either version 2 of the License, or 00011 * (at your option) any later version. 00012 * 00013 * This program is distributed in the hope that it will be useful, 00014 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00015 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00016 * GNU General Public License for more details. 00017 * 00018 * You should have received a copy of the GNU General Public License 00019 * along with this program; if not, write to the Free Software 00020 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 00021 * 00022 */ 00023 00024 #ifndef DBUS_HASH_H 00025 #define DBUS_HASH_H 00026 00027 #include <dbus/dbus-memory.h> 00028 #include <dbus/dbus-types.h> 00029 00030 DBUS_BEGIN_DECLS 00031 00040 struct DBusHashIter 00041 { 00042 void *dummy1; 00043 void *dummy2; 00044 void *dummy3; 00045 void *dummy4; 00046 int dummy5; 00047 int dummy6; 00048 }; 00049 00050 typedef struct DBusHashTable DBusHashTable; 00051 typedef struct DBusHashIter DBusHashIter; 00052 00053 /* Allowing an arbitrary function as with GLib 00054 * would be nicer for a public API, but for 00055 * an internal API this saves typing, we can add 00056 * more whenever we feel like it. 00057 */ 00058 typedef enum 00059 { 00060 DBUS_HASH_STRING, 00061 DBUS_HASH_TWO_STRINGS, 00062 DBUS_HASH_INT, 00063 DBUS_HASH_POINTER, 00064 DBUS_HASH_ULONG 00065 } DBusHashType; 00066 00067 DBusHashTable* _dbus_hash_table_new (DBusHashType type, 00068 DBusFreeFunction key_free_function, 00069 DBusFreeFunction value_free_function); 00070 DBusHashTable* _dbus_hash_table_ref (DBusHashTable *table); 00071 void _dbus_hash_table_unref (DBusHashTable *table); 00072 void _dbus_hash_table_remove_all (DBusHashTable *table); 00073 void _dbus_hash_iter_init (DBusHashTable *table, 00074 DBusHashIter *iter); 00075 dbus_bool_t _dbus_hash_iter_next (DBusHashIter *iter); 00076 void _dbus_hash_iter_remove_entry (DBusHashIter *iter); 00077 void* _dbus_hash_iter_get_value (DBusHashIter *iter); 00078 void _dbus_hash_iter_set_value (DBusHashIter *iter, 00079 void *value); 00080 int _dbus_hash_iter_get_int_key (DBusHashIter *iter); 00081 const char* _dbus_hash_iter_get_string_key (DBusHashIter *iter); 00082 const char* _dbus_hash_iter_get_two_strings_key (DBusHashIter *iter); 00083 unsigned long _dbus_hash_iter_get_ulong_key (DBusHashIter *iter); 00084 dbus_bool_t _dbus_hash_iter_lookup (DBusHashTable *table, 00085 void *key, 00086 dbus_bool_t create_if_not_found, 00087 DBusHashIter *iter); 00088 void* _dbus_hash_table_lookup_string (DBusHashTable *table, 00089 const char *key); 00090 void* _dbus_hash_table_lookup_two_strings (DBusHashTable *table, 00091 const char *key); 00092 void* _dbus_hash_table_lookup_int (DBusHashTable *table, 00093 int key); 00094 void* _dbus_hash_table_lookup_pointer (DBusHashTable *table, 00095 void *key); 00096 void* _dbus_hash_table_lookup_ulong (DBusHashTable *table, 00097 unsigned long key); 00098 dbus_bool_t _dbus_hash_table_remove_string (DBusHashTable *table, 00099 const char *key); 00100 dbus_bool_t _dbus_hash_table_remove_two_strings (DBusHashTable *table, 00101 const char *key); 00102 dbus_bool_t _dbus_hash_table_remove_int (DBusHashTable *table, 00103 int key); 00104 dbus_bool_t _dbus_hash_table_remove_pointer (DBusHashTable *table, 00105 void *key); 00106 dbus_bool_t _dbus_hash_table_remove_ulong (DBusHashTable *table, 00107 unsigned long key); 00108 dbus_bool_t _dbus_hash_table_insert_string (DBusHashTable *table, 00109 char *key, 00110 void *value); 00111 dbus_bool_t _dbus_hash_table_insert_two_strings (DBusHashTable *table, 00112 char *key, 00113 void *value); 00114 dbus_bool_t _dbus_hash_table_insert_int (DBusHashTable *table, 00115 int key, 00116 void *value); 00117 dbus_bool_t _dbus_hash_table_insert_pointer (DBusHashTable *table, 00118 void *key, 00119 void *value); 00120 dbus_bool_t _dbus_hash_table_insert_ulong (DBusHashTable *table, 00121 unsigned long key, 00122 void *value); 00123 int _dbus_hash_table_get_n_entries (DBusHashTable *table); 00124 00125 /* Preallocation */ 00126 00128 typedef struct DBusPreallocatedHash DBusPreallocatedHash; 00129 00130 DBusPreallocatedHash *_dbus_hash_table_preallocate_entry (DBusHashTable *table); 00131 void _dbus_hash_table_free_preallocated_entry (DBusHashTable *table, 00132 DBusPreallocatedHash *preallocated); 00133 void _dbus_hash_table_insert_string_preallocated (DBusHashTable *table, 00134 DBusPreallocatedHash *preallocated, 00135 char *key, 00136 void *value); 00137 00140 DBUS_END_DECLS 00141 00142 #endif /* DBUS_HASH_H */