glib/glib/ghash.h
Tim Janik 3e847a090c g_hash_table_new_full(): create hash tables with a ref count of 1.
Tue Nov 22 14:04:26 2005  Tim Janik  <timj@imendio.com>

        * glib/ghash.h:
        * glib/ghash.c:
        g_hash_table_new_full(): create hash tables with a ref count of 1.
        g_hash_table_ref(): atomically ref_count+=1
        g_hash_table_unref(): atomically ref_count-=1, destroys hash table
        when refcount reaches 0.
        g_hash_table_destroy(): just destroy keys and values, unref by 1.
        g_hash_table_insert():
        g_hash_table_replace(): assert ref_count>0.

        * glib/gatomic.h:
        * glib/gatomic.c: added 'volatile' qualifier to all atomic pointer and
        integer pointers.
2005-11-22 13:16:58 +00:00

116 lines
4.2 KiB
C

/* GLIB - Library of useful routines for C programming
* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
/*
* Modified by the GLib Team and others 1997-2000. See the AUTHORS
* file for a list of people on the GLib Team. See the ChangeLog
* files for a list of changes. These files are distributed with
* GLib at ftp://ftp.gtk.org/pub/gtk/.
*/
#ifndef __G_HASH_H__
#define __G_HASH_H__
#include <glib/gtypes.h>
G_BEGIN_DECLS
typedef struct _GHashTable GHashTable;
typedef gboolean (*GHRFunc) (gpointer key,
gpointer value,
gpointer user_data);
/* Hash tables
*/
GHashTable* g_hash_table_new (GHashFunc hash_func,
GEqualFunc key_equal_func);
GHashTable* g_hash_table_new_full (GHashFunc hash_func,
GEqualFunc key_equal_func,
GDestroyNotify key_destroy_func,
GDestroyNotify value_destroy_func);
void g_hash_table_destroy (GHashTable *hash_table);
void g_hash_table_insert (GHashTable *hash_table,
gpointer key,
gpointer value);
void g_hash_table_replace (GHashTable *hash_table,
gpointer key,
gpointer value);
gboolean g_hash_table_remove (GHashTable *hash_table,
gconstpointer key);
gboolean g_hash_table_steal (GHashTable *hash_table,
gconstpointer key);
gpointer g_hash_table_lookup (GHashTable *hash_table,
gconstpointer key);
gboolean g_hash_table_lookup_extended (GHashTable *hash_table,
gconstpointer lookup_key,
gpointer *orig_key,
gpointer *value);
void g_hash_table_foreach (GHashTable *hash_table,
GHFunc func,
gpointer user_data);
gpointer g_hash_table_find (GHashTable *hash_table,
GHRFunc predicate,
gpointer user_data);
guint g_hash_table_foreach_remove (GHashTable *hash_table,
GHRFunc func,
gpointer user_data);
guint g_hash_table_foreach_steal (GHashTable *hash_table,
GHRFunc func,
gpointer user_data);
guint g_hash_table_size (GHashTable *hash_table);
/* keeping hash tables alive */
GHashTable* g_hash_table_ref (GHashTable *hash_table);
void g_hash_table_unref (GHashTable *hash_table);
#ifndef G_DISABLE_DEPRECATED
/* The following two functions are deprecated and will be removed in
* the next major release. They do no good. */
#define g_hash_table_freeze(hash_table) ((void)0)
#define g_hash_table_thaw(hash_table) ((void)0)
#endif /* G_DISABLE_DEPRECATED */
/* Hash Functions
*/
gboolean g_str_equal (gconstpointer v1,
gconstpointer v2);
guint g_str_hash (gconstpointer v);
gboolean g_int_equal (gconstpointer v1,
gconstpointer v2);
guint g_int_hash (gconstpointer v);
/* This "hash" function will just return the key's address as an
* unsigned integer. Useful for hashing on plain addresses or
* simple integer values.
* Passing NULL into g_hash_table_new() as GHashFunc has the
* same effect as passing g_direct_hash().
*/
guint g_direct_hash (gconstpointer v) G_GNUC_CONST;
gboolean g_direct_equal (gconstpointer v1,
gconstpointer v2) G_GNUC_CONST;
G_END_DECLS
#endif /* __G_HASH_H__ */