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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- */
/*
* Copyright (C) 2008 Red Hat, Inc.
*
* 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.
*
* Author: David Zeuthen <davidz@redhat.com>
*/
#include "config.h"
#include "polkitsubject.h"
/**
* SECTION:polkitsubject
* @title: PolkitSubject
* @short_description: Interface for subjects
* @include: polkit/polkit.h
*
* #PolkitSubject is a very minimal interface for subjects. It provides functions
* for checking the equality of two subjects
*
* To check if two #PolkitSubjects are equal, see polkit_subject_equal().
**/
static void polkit_subject_base_init (gpointer g_class);
static void polkit_subject_class_init (gpointer g_class,
gpointer class_data);
GType
polkit_subject_get_type (void)
{
static volatile gsize g_define_type_id__volatile = 0;
if (g_once_init_enter (&g_define_type_id__volatile)) {
const GTypeInfo subject_info = {
sizeof (PolkitSubjectIface), /* class_size */
polkit_subject_base_init, /* base_init */
NULL, /* base_finalize */
polkit_subject_class_init, /* class_init */
NULL, /* class_finalize */
NULL, /* class_data */
0,
0, /* n_preallocs */
NULL
};
GType g_define_type_id =
g_type_register_static (G_TYPE_INTERFACE,
"PolkitSubject",
&subject_info,
0);
g_type_interface_add_prerequisite (g_define_type_id, G_TYPE_OBJECT);
g_once_init_leave (&g_define_type_id__volatile, g_define_type_id);
}
return g_define_type_id__volatile;
}
static void
polkit_subject_class_init (gpointer g_class,
gpointer class_data)
{
}
static void
polkit_subject_base_init (gpointer g_class)
{
}
/**
* polkit_subject_equal:
* @subject1: pointer to the first #PolkitSubject.
* @subject2: pointer to the second #PolkitSubject.
*
* Checks if two subjects are equal.
*
* Returns: %TRUE if @subject1 is equal to @subject2. %FALSE otherwise.
**/
gboolean
polkit_subject_equal (PolkitSubject *subject1,
PolkitSubject *subject2)
{
PolkitSubjectIface *iface;
if (subject1 == NULL && subject2 == NULL)
return TRUE;
if (subject1 == NULL || subject2 == NULL)
return FALSE;
if (G_TYPE_FROM_INSTANCE (subject1) != G_TYPE_FROM_INSTANCE (subject2))
return FALSE;
iface = POLKIT_SUBJECT_GET_IFACE (subject1);
return (* iface->equal) (subject1, subject2);
}
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