1 /* -*- mode: C; c-file-style: "gnu" -*- */

     2 /* dbus-gutils.h Utils shared between convenience lib and installed lib

     3  *

     4  * Copyright (C) 2003  Red Hat, Inc.

     5  *

     6  * Licensed under the Academic Free License version 2.1

     7  *

     8  * This program is free software; you can redistribute it and/or modify

     9  * it under the terms of the GNU General Public License as published by

    10  * the Free Software Foundation; either version 2 of the License, or

    11  * (at your option) any later version.

    12  *

    13  * This program is distributed in the hope that it will be useful,

    14  * but WITHOUT ANY WARRANTY; without even the implied warranty of

    15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

    16  * GNU General Public License for more details.

    17  *

    18  * You should have received a copy of the GNU General Public License

    19  * along with this program; if not, write to the Free Software

    20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

    21  *

    22  */

    23 

    24 #ifndef DBUS_GLIB_UTILS_H

    25 #define DBUS_GLIB_UTILS_H

    26 

    27 #ifndef DOXYGEN_SHOULD_SKIP_THIS

    28 

    29 #include <dbus/dbus.h>

    30 #include <glib-object.h>

    31 

    32 G_BEGIN_DECLS

    33 

    34 char      **_dbus_gutils_split_path     (const char *path);

    35 

    36 char       *_dbus_gutils_wincaps_to_uscore (const char *uscore);

    37 

    38 /* These munge the pointer to enforce that a plain cast won't work,

    39  * accessor functions must be used; i.e. to ensure the ABI

    40  * reflects our encapsulation.

    41  */

    42 #define _DBUS_POINTER_SHIFT(p)   ((void*) (((char*)p) + sizeof (void*)))

    43 #define _DBUS_POINTER_UNSHIFT(p) ((void*) (((char*)p) - sizeof (void*)))

    44 

    45 #define DBUS_CONNECTION_FROM_G_CONNECTION(x)     ((DBusConnection*) _DBUS_POINTER_UNSHIFT(x))

    46 #define DBUS_MESSAGE_FROM_G_MESSAGE(x)           ((DBusMessage*) _DBUS_POINTER_UNSHIFT(x))

    47 #define DBUS_PENDING_CALL_FROM_G_PENDING_CALL(x) ((DBusPendingCall*) _DBUS_POINTER_UNSHIFT(x))

    48 

    49 #define DBUS_G_CONNECTION_FROM_CONNECTION(x)     ((DBusGConnection*) _DBUS_POINTER_SHIFT(x))

    50 #define DBUS_G_MESSAGE_FROM_MESSAGE(x)           ((DBusGMessage*) _DBUS_POINTER_SHIFT(x))

    51 #define DBUS_G_PENDING_CALL_FROM_PENDING_CALL(x) ((DBusGPendingCall*) _DBUS_POINTER_SHIFT(x))

    52 

    53 G_END_DECLS

    54 

    55 #endif /* DBUS_GLIB_UTILS_H */

    56 

    57 #endif /* DOXYGEN_SHOULD_SKIP_THIS */