1/* GLIB - Library of useful routines for C programming 2 * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald 3 * 4 * This library is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU Lesser General Public 6 * License as published by the Free Software Foundation; either 7 * version 2 of the License, or (at your option) any later version. 8 * 9 * This library is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * Lesser General Public License for more details. 13 * 14 * You should have received a copy of the GNU Lesser General Public 15 * License along with this library; if not, write to the 16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330, 17 * Boston, MA 02111-1307, USA. 18 */ 19 20/* 21 * Modified by the GLib Team and others 1997-2000. See the AUTHORS 22 * file for a list of people on the GLib Team. See the ChangeLog 23 * files for a list of changes. These files are distributed with 24 * GLib at ftp://ftp.gtk.org/pub/gtk/. 25 */ 26 27/* 28 * Modified by Bruno Haible for use as a gnulib module. 29 */ 30 31#ifndef __G_HASH_H__ 32#define __G_HASH_H__ 33 34#include <glib/gtypes.h> 35 36G_BEGIN_DECLS 37 38typedef struct _GHashTable GHashTable; 39 40typedef gboolean (*GHRFunc) (gpointer key, 41 gpointer value, 42 gpointer user_data); 43 44/* Hash tables 45 */ 46GHashTable* g_hash_table_new (GHashFunc hash_func, 47 GEqualFunc key_equal_func); 48GHashTable* g_hash_table_new_full (GHashFunc hash_func, 49 GEqualFunc key_equal_func, 50 GDestroyNotify key_destroy_func, 51 GDestroyNotify value_destroy_func); 52#if 0 53void g_hash_table_destroy (GHashTable *hash_table); 54#endif 55void g_hash_table_insert (GHashTable *hash_table, 56 gpointer key, 57 gpointer value); 58#if 0 59void g_hash_table_replace (GHashTable *hash_table, 60 gpointer key, 61 gpointer value); 62gboolean g_hash_table_remove (GHashTable *hash_table, 63 gconstpointer key); 64void g_hash_table_remove_all (GHashTable *hash_table); 65gboolean g_hash_table_steal (GHashTable *hash_table, 66 gconstpointer key); 67void g_hash_table_steal_all (GHashTable *hash_table); 68#endif 69gpointer g_hash_table_lookup (GHashTable *hash_table, 70 gconstpointer key); 71#if 0 72gboolean g_hash_table_lookup_extended (GHashTable *hash_table, 73 gconstpointer lookup_key, 74 gpointer *orig_key, 75 gpointer *value); 76void g_hash_table_foreach (GHashTable *hash_table, 77 GHFunc func, 78 gpointer user_data); 79gpointer g_hash_table_find (GHashTable *hash_table, 80 GHRFunc predicate, 81 gpointer user_data); 82guint g_hash_table_foreach_remove (GHashTable *hash_table, 83 GHRFunc func, 84 gpointer user_data); 85guint g_hash_table_foreach_steal (GHashTable *hash_table, 86 GHRFunc func, 87 gpointer user_data); 88guint g_hash_table_size (GHashTable *hash_table); 89 90/* keeping hash tables alive */ 91GHashTable* g_hash_table_ref (GHashTable *hash_table); 92void g_hash_table_unref (GHashTable *hash_table); 93 94#ifndef G_DISABLE_DEPRECATED 95 96/* The following two functions are deprecated and will be removed in 97 * the next major release. They do no good. */ 98#define g_hash_table_freeze(hash_table) ((void)0) 99#define g_hash_table_thaw(hash_table) ((void)0) 100 101#endif /* G_DISABLE_DEPRECATED */ 102 103#endif 104 105/* Hash Functions 106 */ 107gboolean g_str_equal (gconstpointer v1, 108 gconstpointer v2); 109guint g_str_hash (gconstpointer v); 110 111#if 0 112 113gboolean g_int_equal (gconstpointer v1, 114 gconstpointer v2); 115guint g_int_hash (gconstpointer v); 116 117/* This "hash" function will just return the key's address as an 118 * unsigned integer. Useful for hashing on plain addresses or 119 * simple integer values. 120 * Passing NULL into g_hash_table_new() as GHashFunc has the 121 * same effect as passing g_direct_hash(). 122 */ 123guint g_direct_hash (gconstpointer v) G_GNUC_CONST; 124gboolean g_direct_equal (gconstpointer v1, 125 gconstpointer v2) G_GNUC_CONST; 126 127#endif 128 129G_END_DECLS 130 131#endif /* __G_HASH_H__ */ 132 133