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Remove redundant callback type casts
2019-11-04, qarkai
9b64a2d80f8c
Remove redundant callback type casts
/*
* Hello World Plugin
*
* Copyright (C) 2004, Gary Kramlich <grim@guifications.org>,
* 2007, John Bailey <rekkanoryo@cpw.pidgin.im>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program 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
* 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
* 02111-1301, USA.
*
*/
/* When writing a third-party plugin, do not include libpurple's internal.h
* included below. This file is for internal libpurple use only. We're including
* it here for our own convenience. */
#include
"internal.h"
/* This file includes all the libpurple headers */
#include
<purple.h>
/* This function is the callback for the plugin action we added. All we're
* doing here is displaying a message. When the user selects the plugin
* action, this function is called. */
static
void
plugin_action_test_cb
(
PurplePluginAction
*
action
)
{
purple_notify_message
(
action
->
plugin
,
PURPLE_NOTIFY_MSG_INFO
,
"Plugin Actions Test"
,
"This is a plugin actions test :)"
,
NULL
,
NULL
,
NULL
,
NULL
);
}
/* we tell libpurple in the PurplePluginInfo struct to call this function to
* get a list of plugin actions to use for the plugin. This function gives
* libpurple that list of actions. */
static
GList
*
plugin_actions
(
PurplePlugin
*
plugin
)
{
/* some C89 (a.k.a. ANSI C) compilers will warn if any variable declaration
* includes an initilization that calls a function. To avoid that, we
* generally initialize our variables first with constant values like NULL
* or 0 and assign to them with function calls later */
GList
*
list
=
NULL
;
PurplePluginAction
*
action
=
NULL
;
/* The action gets created by specifying a name to show in the UI and a
* callback function to call. */
action
=
purple_plugin_action_new
(
"Plugin Action Test"
,
plugin_action_test_cb
);
/* libpurple requires a GList of plugin actions, even if there is only one
* action in the list. We append the action to a GList here. */
list
=
g_list_append
(
list
,
action
);
/* Once the list is complete, we send it to libpurple. */
return
list
;
}
static
PurplePluginInfo
*
plugin_query
(
GError
**
error
)
{
const
gchar
*
const
authors
[]
=
{
"John Bailey <rekkanoryo@cpw.pidgin.im>"
,
/* correct author */
NULL
};
/* For specific notes on the meanings of each of these members, consult the
C Plugin Howto on the website. */
return
purple_plugin_info_new
(
"id"
,
"core-hello_world"
,
"name"
,
"Hello World!"
,
"version"
,
DISPLAY_VERSION
,
/* This constant is defined in config.h, but you shouldn't use it for your
own plugins. We use it here because it's our plugin. And we're lazy. */
"category"
,
"Example"
,
"summary"
,
"Hello World Plugin"
,
"description"
,
"Hello World Plugin"
,
"authors"
,
authors
,
"website"
,
"http://helloworld.tld"
,
"abi-version"
,
PURPLE_ABI_VERSION
,
"actions-cb"
,
plugin_actions
,
/* this tells libpurple the address of the function to call to get the list
of plugin actions. */
NULL
);
}
static
gboolean
plugin_load
(
PurplePlugin
*
plugin
,
GError
**
error
)
{
purple_notify_message
(
plugin
,
PURPLE_NOTIFY_MSG_INFO
,
"Hello World!"
,
"This is the Hello World! plugin :)"
,
NULL
,
NULL
,
NULL
,
NULL
);
return
TRUE
;
}
static
gboolean
plugin_unload
(
PurplePlugin
*
plugin
,
GError
**
error
)
{
return
TRUE
;
}
PURPLE_PLUGIN_INIT
(
hello_world
,
plugin_query
,
plugin_load
,
plugin_unload
);