gkdbus: Fix underflow and unreachable code bug
[platform/upstream/glib.git] / gio / gsocketcontrolmessage.h
1 /* GIO - GLib Input, Output and Streaming Library
2  *
3  * Copyright © 2009 Codethink Limited
4  *
5  * SPDX-License-Identifier: LGPL-2.1-or-later
6  *
7  * This library is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU Lesser General Public
9  * License as published by the Free Software Foundation; either
10  * version 2.1 of the License, or (at your option) any later version.
11  *
12  * This library is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15  * Lesser General Public License for more details.
16  *
17  * You should have received a copy of the GNU Lesser General
18  * Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
19  *
20  * Authors: Ryan Lortie <desrt@desrt.ca>
21  */
22
23 #ifndef __G_SOCKET_CONTROL_MESSAGE_H__
24 #define __G_SOCKET_CONTROL_MESSAGE_H__
25
26 #if !defined (__GIO_GIO_H_INSIDE__) && !defined (GIO_COMPILATION)
27 #error "Only <gio/gio.h> can be included directly."
28 #endif
29
30 #include <gio/giotypes.h>
31
32 G_BEGIN_DECLS
33
34 #define G_TYPE_SOCKET_CONTROL_MESSAGE                       (g_socket_control_message_get_type ())
35 #define G_SOCKET_CONTROL_MESSAGE(inst)                      (G_TYPE_CHECK_INSTANCE_CAST ((inst),                     \
36                                                              G_TYPE_SOCKET_CONTROL_MESSAGE,                          \
37                                                              GSocketControlMessage))
38 #define G_SOCKET_CONTROL_MESSAGE_CLASS(class)               (G_TYPE_CHECK_CLASS_CAST ((class),                       \
39                                                              G_TYPE_SOCKET_CONTROL_MESSAGE,                          \
40                                                              GSocketControlMessageClass))
41 #define G_IS_SOCKET_CONTROL_MESSAGE(inst)                   (G_TYPE_CHECK_INSTANCE_TYPE ((inst),                     \
42                                                              G_TYPE_SOCKET_CONTROL_MESSAGE))
43 #define G_IS_SOCKET_CONTROL_MESSAGE_CLASS(class)            (G_TYPE_CHECK_CLASS_TYPE ((class),                       \
44                                                              G_TYPE_SOCKET_CONTROL_MESSAGE))
45 #define G_SOCKET_CONTROL_MESSAGE_GET_CLASS(inst)            (G_TYPE_INSTANCE_GET_CLASS ((inst),                      \
46                                                              G_TYPE_SOCKET_CONTROL_MESSAGE,                          \
47                                                              GSocketControlMessageClass))
48
49 typedef struct _GSocketControlMessagePrivate                GSocketControlMessagePrivate;
50 typedef struct _GSocketControlMessageClass                  GSocketControlMessageClass;
51
52 /**
53  * GSocketControlMessageClass:
54  * @get_size: gets the size of the message.
55  * @get_level: gets the protocol of the message.
56  * @get_type: gets the protocol specific type of the message.
57  * @serialize: Writes out the message data.
58  * @deserialize: Tries to deserialize a message.
59  *
60  * Class structure for #GSocketControlMessage.
61  **/
62
63 struct _GSocketControlMessageClass
64 {
65   GObjectClass parent_class;
66
67   gsize                  (* get_size)  (GSocketControlMessage  *message);
68   int                    (* get_level) (GSocketControlMessage  *message);
69   int                    (* get_type)  (GSocketControlMessage  *message);
70   void                   (* serialize) (GSocketControlMessage  *message,
71                                         gpointer                data);
72   GSocketControlMessage *(* deserialize) (int                   level,
73                                           int                   type,
74                                           gsize                 size,
75                                           gpointer              data);
76
77   /*< private >*/
78
79   /* Padding for future expansion */
80   void (*_g_reserved1) (void);
81   void (*_g_reserved2) (void);
82   void (*_g_reserved3) (void);
83   void (*_g_reserved4) (void);
84   void (*_g_reserved5) (void);
85 };
86
87 struct _GSocketControlMessage
88 {
89   GObject parent_instance;
90   GSocketControlMessagePrivate *priv;
91 };
92
93 GIO_AVAILABLE_IN_ALL
94 GType                  g_socket_control_message_get_type     (void) G_GNUC_CONST;
95 GIO_AVAILABLE_IN_ALL
96 gsize                  g_socket_control_message_get_size     (GSocketControlMessage *message);
97 GIO_AVAILABLE_IN_ALL
98 int                    g_socket_control_message_get_level    (GSocketControlMessage *message);
99 GIO_AVAILABLE_IN_ALL
100 int                    g_socket_control_message_get_msg_type (GSocketControlMessage *message);
101 GIO_AVAILABLE_IN_ALL
102 void                   g_socket_control_message_serialize    (GSocketControlMessage *message,
103                                                               gpointer               data);
104 GIO_AVAILABLE_IN_ALL
105 GSocketControlMessage *g_socket_control_message_deserialize  (int                    level,
106                                                               int                    type,
107                                                               gsize                  size,
108                                                               gpointer               data);
109
110
111 G_END_DECLS
112
113 #endif /* __G_SOCKET_CONTROL_MESSAGE_H__ */