/* g_int64_hash_routines.h * Definition of gint64 hash table routines absent from GLib < 2.22 * * From: * * 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 General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 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/. */ #include #if !GLIB_CHECK_VERSION(2,22,0) /** * g_int64_equal: * @v1: a pointer to a #gint64 key * @v2: a pointer to a #gint64 key to compare with @v1 * * Compares the two #gint64 values being pointed to and returns * %TRUE if they are equal. * It can be passed to g_hash_table_new() as the @key_equal_func * parameter, when using non-%NULL pointers to 64-bit integers as keys in a * #GHashTable. * * Returns: %TRUE if the two keys match. * * Since: 2.22 */ gboolean g_int64_equal (gconstpointer v1, gconstpointer v2) { return *((const gint64*) v1) == *((const gint64*) v2); } /** * g_int64_hash: * @v: a pointer to a #gint64 key * * Converts a pointer to a #gint64 to a hash value. * * It can be passed to g_hash_table_new() as the @hash_func parameter, * when using non-%NULL pointers to 64-bit integer values as keys in a * #GHashTable. * * Returns: a hash value corresponding to the key. * * Since: 2.22 */ guint g_int64_hash (gconstpointer v) { return (guint) *(const gint64*) v; } #endif /* !GLIB_CHECK_VERSION(2,22,0) */