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377 lines
15 KiB
C++
377 lines
15 KiB
C++
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
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/* dbus-message.h DBusMessage object
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*
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* Copyright (C) 2002, 2003, 2005 Red Hat Inc.
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*
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* Licensed under the Academic Free License version 2.1
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#if !defined (DBUS_INSIDE_DBUS_H) && !defined (DBUS_COMPILATION)
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#error "Only <dbus/dbus.h> can be included directly, this file may disappear or change contents."
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#endif
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#ifndef DBUS_MESSAGE_H
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#define DBUS_MESSAGE_H
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#include <dbus/dbus-macros.h>
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#include <dbus/dbus-types.h>
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#include <dbus/dbus-arch-deps.h>
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#include <dbus/dbus-memory.h>
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#include <dbus/dbus-errors.h>
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#include <stdarg.h>
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DBUS_BEGIN_DECLS
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/**
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* @addtogroup DBusMessage
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* @{
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*/
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typedef struct DBusMessage DBusMessage;
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/**
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* Opaque type representing a message iterator. Can be copied by value and
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* allocated on the stack.
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*
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* A DBusMessageIter usually contains no allocated memory. However, there
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* is one special case: after a successful call to
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* dbus_message_iter_open_container(), the caller is responsible for calling
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* either dbus_message_iter_close_container() or
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* dbus_message_iter_abandon_container() exactly once, with the same pair
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* of iterators.
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*/
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typedef struct DBusMessageIter DBusMessageIter;
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/**
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* DBusMessageIter struct; contains no public fields.
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*/
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struct DBusMessageIter
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{
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void *dummy1; /**< Don't use this */
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void *dummy2; /**< Don't use this */
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dbus_uint32_t dummy3; /**< Don't use this */
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int dummy4; /**< Don't use this */
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int dummy5; /**< Don't use this */
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int dummy6; /**< Don't use this */
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int dummy7; /**< Don't use this */
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int dummy8; /**< Don't use this */
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int dummy9; /**< Don't use this */
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int dummy10; /**< Don't use this */
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int dummy11; /**< Don't use this */
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int pad1; /**< Don't use this */
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void *pad2; /**< Don't use this */
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void *pad3; /**< Don't use this */
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};
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/**
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* A message iterator for which dbus_message_iter_abandon_container_if_open()
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* is the only valid operation.
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*/
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#define DBUS_MESSAGE_ITER_INIT_CLOSED \
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{ \
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NULL, /* dummy1 */ \
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NULL, /* dummy2 */ \
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0, /* dummy3 */ \
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0, /* dummy4 */ \
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0, /* dummy5 */ \
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0, /* dummy6 */ \
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0, /* dummy7 */ \
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0, /* dummy8 */ \
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0, /* dummy9 */ \
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0, /* dummy10 */ \
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0, /* dummy11 */ \
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0, /* pad1 */ \
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NULL, /* pad2 */ \
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NULL /* pad3 */ \
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}
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DBUS_EXPORT
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DBusMessage* dbus_message_new (int message_type);
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DBUS_EXPORT
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DBusMessage* dbus_message_new_method_call (const char *bus_name,
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const char *path,
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const char *iface,
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const char *method);
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DBUS_EXPORT
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DBusMessage* dbus_message_new_method_return (DBusMessage *method_call);
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DBUS_EXPORT
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DBusMessage* dbus_message_new_signal (const char *path,
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const char *iface,
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const char *name);
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DBUS_EXPORT
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DBusMessage* dbus_message_new_error (DBusMessage *reply_to,
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const char *error_name,
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const char *error_message);
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DBUS_EXPORT
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DBusMessage* dbus_message_new_error_printf (DBusMessage *reply_to,
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const char *error_name,
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const char *error_format,
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...) _DBUS_GNUC_PRINTF (3, 4);
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DBUS_EXPORT
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DBusMessage* dbus_message_copy (const DBusMessage *message);
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DBUS_EXPORT
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DBusMessage* dbus_message_ref (DBusMessage *message);
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DBUS_EXPORT
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void dbus_message_unref (DBusMessage *message);
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DBUS_EXPORT
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int dbus_message_get_type (DBusMessage *message);
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DBUS_EXPORT
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dbus_bool_t dbus_message_set_path (DBusMessage *message,
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const char *object_path);
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DBUS_EXPORT
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const char* dbus_message_get_path (DBusMessage *message);
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DBUS_EXPORT
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dbus_bool_t dbus_message_has_path (DBusMessage *message,
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const char *object_path);
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DBUS_EXPORT
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dbus_bool_t dbus_message_set_interface (DBusMessage *message,
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const char *iface);
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DBUS_EXPORT
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const char* dbus_message_get_interface (DBusMessage *message);
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DBUS_EXPORT
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dbus_bool_t dbus_message_has_interface (DBusMessage *message,
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const char *iface);
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DBUS_EXPORT
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dbus_bool_t dbus_message_set_member (DBusMessage *message,
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const char *member);
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DBUS_EXPORT
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const char* dbus_message_get_member (DBusMessage *message);
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DBUS_EXPORT
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dbus_bool_t dbus_message_has_member (DBusMessage *message,
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const char *member);
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DBUS_EXPORT
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dbus_bool_t dbus_message_set_error_name (DBusMessage *message,
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const char *name);
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DBUS_EXPORT
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const char* dbus_message_get_error_name (DBusMessage *message);
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DBUS_EXPORT
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dbus_bool_t dbus_message_set_destination (DBusMessage *message,
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const char *destination);
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DBUS_EXPORT
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const char* dbus_message_get_destination (DBusMessage *message);
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DBUS_EXPORT
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dbus_bool_t dbus_message_set_sender (DBusMessage *message,
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const char *sender);
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DBUS_EXPORT
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const char* dbus_message_get_sender (DBusMessage *message);
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DBUS_EXPORT
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const char* dbus_message_get_signature (DBusMessage *message);
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DBUS_EXPORT
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void dbus_message_set_no_reply (DBusMessage *message,
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dbus_bool_t no_reply);
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DBUS_EXPORT
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dbus_bool_t dbus_message_get_no_reply (DBusMessage *message);
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DBUS_EXPORT
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dbus_bool_t dbus_message_is_method_call (DBusMessage *message,
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const char *iface,
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const char *method);
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DBUS_EXPORT
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dbus_bool_t dbus_message_is_signal (DBusMessage *message,
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const char *iface,
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const char *signal_name);
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DBUS_EXPORT
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dbus_bool_t dbus_message_is_error (DBusMessage *message,
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const char *error_name);
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DBUS_EXPORT
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dbus_bool_t dbus_message_has_destination (DBusMessage *message,
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const char *bus_name);
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DBUS_EXPORT
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dbus_bool_t dbus_message_has_sender (DBusMessage *message,
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const char *unique_bus_name);
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DBUS_EXPORT
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dbus_bool_t dbus_message_has_signature (DBusMessage *message,
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const char *signature);
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DBUS_EXPORT
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dbus_uint32_t dbus_message_get_serial (DBusMessage *message);
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DBUS_EXPORT
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void dbus_message_set_serial (DBusMessage *message,
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dbus_uint32_t serial);
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DBUS_EXPORT
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dbus_bool_t dbus_message_set_reply_serial (DBusMessage *message,
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dbus_uint32_t reply_serial);
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DBUS_EXPORT
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dbus_uint32_t dbus_message_get_reply_serial (DBusMessage *message);
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DBUS_EXPORT
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void dbus_message_set_auto_start (DBusMessage *message,
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dbus_bool_t auto_start);
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DBUS_EXPORT
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dbus_bool_t dbus_message_get_auto_start (DBusMessage *message);
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DBUS_EXPORT
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dbus_bool_t dbus_message_get_path_decomposed (DBusMessage *message,
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char ***path);
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DBUS_EXPORT
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dbus_bool_t dbus_message_append_args (DBusMessage *message,
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int first_arg_type,
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...);
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DBUS_EXPORT
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dbus_bool_t dbus_message_append_args_valist (DBusMessage *message,
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int first_arg_type,
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va_list var_args);
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DBUS_EXPORT
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dbus_bool_t dbus_message_get_args (DBusMessage *message,
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DBusError *error,
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int first_arg_type,
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...);
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DBUS_EXPORT
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dbus_bool_t dbus_message_get_args_valist (DBusMessage *message,
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DBusError *error,
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int first_arg_type,
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va_list var_args);
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DBUS_EXPORT
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dbus_bool_t dbus_message_contains_unix_fds (DBusMessage *message);
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DBUS_EXPORT
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void dbus_message_iter_init_closed (DBusMessageIter *iter);
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DBUS_EXPORT
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dbus_bool_t dbus_message_iter_init (DBusMessage *message,
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DBusMessageIter *iter);
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DBUS_EXPORT
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dbus_bool_t dbus_message_iter_has_next (DBusMessageIter *iter);
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DBUS_EXPORT
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dbus_bool_t dbus_message_iter_next (DBusMessageIter *iter);
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DBUS_EXPORT
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char* dbus_message_iter_get_signature (DBusMessageIter *iter);
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DBUS_EXPORT
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int dbus_message_iter_get_arg_type (DBusMessageIter *iter);
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DBUS_EXPORT
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int dbus_message_iter_get_element_type (DBusMessageIter *iter);
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DBUS_EXPORT
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void dbus_message_iter_recurse (DBusMessageIter *iter,
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DBusMessageIter *sub);
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DBUS_EXPORT
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void dbus_message_iter_get_basic (DBusMessageIter *iter,
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void *value);
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DBUS_EXPORT
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int dbus_message_iter_get_element_count(DBusMessageIter *iter);
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#ifndef DBUS_DISABLE_DEPRECATED
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/* This function returns the wire protocol size of the array in bytes,
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* you do not want to know that probably
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*/
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DBUS_EXPORT
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DBUS_DEPRECATED int dbus_message_iter_get_array_len (DBusMessageIter *iter);
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#endif
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DBUS_EXPORT
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void dbus_message_iter_get_fixed_array (DBusMessageIter *iter,
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void *value,
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int *n_elements);
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DBUS_EXPORT
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void dbus_message_iter_init_append (DBusMessage *message,
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DBusMessageIter *iter);
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DBUS_EXPORT
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dbus_bool_t dbus_message_iter_append_basic (DBusMessageIter *iter,
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int type,
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const void *value);
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DBUS_EXPORT
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dbus_bool_t dbus_message_iter_append_fixed_array (DBusMessageIter *iter,
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int element_type,
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const void *value,
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int n_elements);
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DBUS_EXPORT
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dbus_bool_t dbus_message_iter_open_container (DBusMessageIter *iter,
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int type,
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const char *contained_signature,
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DBusMessageIter *sub);
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DBUS_EXPORT
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dbus_bool_t dbus_message_iter_close_container (DBusMessageIter *iter,
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DBusMessageIter *sub);
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DBUS_EXPORT
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void dbus_message_iter_abandon_container (DBusMessageIter *iter,
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DBusMessageIter *sub);
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DBUS_EXPORT
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void dbus_message_iter_abandon_container_if_open (DBusMessageIter *iter,
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DBusMessageIter *sub);
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DBUS_EXPORT
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void dbus_message_lock (DBusMessage *message);
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DBUS_EXPORT
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dbus_bool_t dbus_set_error_from_message (DBusError *error,
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DBusMessage *message);
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DBUS_EXPORT
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dbus_bool_t dbus_message_allocate_data_slot (dbus_int32_t *slot_p);
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DBUS_EXPORT
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void dbus_message_free_data_slot (dbus_int32_t *slot_p);
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DBUS_EXPORT
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dbus_bool_t dbus_message_set_data (DBusMessage *message,
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dbus_int32_t slot,
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void *data,
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DBusFreeFunction free_data_func);
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DBUS_EXPORT
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void* dbus_message_get_data (DBusMessage *message,
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dbus_int32_t slot);
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DBUS_EXPORT
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int dbus_message_type_from_string (const char *type_str);
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DBUS_EXPORT
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const char* dbus_message_type_to_string (int type);
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DBUS_EXPORT
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dbus_bool_t dbus_message_marshal (DBusMessage *msg,
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char **marshalled_data_p,
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int *len_p);
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DBUS_EXPORT
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DBusMessage* dbus_message_demarshal (const char *str,
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int len,
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DBusError *error);
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DBUS_EXPORT
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int dbus_message_demarshal_bytes_needed (const char *str,
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int len);
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DBUS_EXPORT
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void dbus_message_set_allow_interactive_authorization (DBusMessage *message,
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dbus_bool_t allow);
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DBUS_EXPORT
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dbus_bool_t dbus_message_get_allow_interactive_authorization (
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DBusMessage *message);
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/**
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* Clear a variable or struct member that contains a #DBusMessage.
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* If it does not contain #NULL, the message that was previously
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* there is unreferenced with dbus_message_unref().
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*
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* This is very similar to dbus_clear_connection(): see that function
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* for more details.
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*
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* @param pointer_to_message A pointer to a variable or struct member.
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* pointer_to_message must not be #NULL, but *pointer_to_message
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* may be #NULL.
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*/
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static inline void
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dbus_clear_message (DBusMessage **pointer_to_message)
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{
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_dbus_clear_pointer_impl (DBusMessage, pointer_to_message,
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dbus_message_unref);
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}
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/** @} */
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DBUS_END_DECLS
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#endif /* DBUS_MESSAGE_H */
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