e6b2e9a750
This patch adds 'const' tags to a number of Asterisk APIs where they are appropriate (where the API already demanded that the function argument not be modified, but the compiler was not informed of that fact). The list includes: - CLI command handlers - CLI command handler arguments - AGI command handlers - AGI command handler arguments - Dialplan application handler arguments - Speech engine API function arguments In addition, various file-scope and function-scope constant arrays got 'const' and/or 'static' qualifiers where they were missing. Review: https://reviewboard.asterisk.org/r/251/ git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@196072 65c4cc65-6c06-0410-ace0-fbb531ad65f3
120 lines
3.1 KiB
C
120 lines
3.1 KiB
C
/*
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* Asterisk -- An open source telephony toolkit.
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*
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* Copyright (C) 2006, Sergey Basmanov
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*
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* See http://www.asterisk.org for more information about
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* the Asterisk project. Please do not directly contact
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* any of the maintainers of this project for assistance;
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* the project provides a web site, mailing lists and IRC
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* channels for your use.
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*
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* This program is free software, distributed under the terms of
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* the GNU General Public License Version 2. See the LICENSE file
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* at the top of the source tree.
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*/
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/*! \file
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*
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* \brief ChannelRedirect application
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*
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* \author Sergey Basmanov <sergey_basmanov@mail.ru>
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*
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* \ingroup applications
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*/
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#include "asterisk.h"
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ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
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#include "asterisk/file.h"
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#include "asterisk/channel.h"
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#include "asterisk/pbx.h"
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#include "asterisk/module.h"
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#include "asterisk/lock.h"
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#include "asterisk/app.h"
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#include "asterisk/features.h"
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/*** DOCUMENTATION
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<application name="ChannelRedirect" language="en_US">
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<synopsis>
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Redirects given channel to a dialplan target
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</synopsis>
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<syntax>
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<parameter name="channel" required="true" />
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<parameter name="context" required="false" />
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<parameter name="extension" required="false" />
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<parameter name="priority" required="true" />
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</syntax>
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<description>
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<para>Sends the specified channel to the specified extension priority</para>
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<para>This application sets the following channel variables upon completion</para>
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<variablelist>
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<variable name="CHANNELREDIRECT_STATUS">
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<value name="NOCHANNEL" />
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<value name="SUCCESS" />
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<para>Are set to the result of the redirection</para>
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</variable>
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</variablelist>
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</description>
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</application>
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***/
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static char *app = "ChannelRedirect";
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static int asyncgoto_exec(struct ast_channel *chan, const char *data)
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{
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int res = -1;
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char *info;
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struct ast_channel *chan2 = NULL;
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AST_DECLARE_APP_ARGS(args,
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AST_APP_ARG(channel);
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AST_APP_ARG(label);
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);
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if (ast_strlen_zero(data)) {
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ast_log(LOG_WARNING, "%s requires an argument (channel,[[context,]exten,]priority)\n", app);
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return -1;
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}
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info = ast_strdupa(data);
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AST_STANDARD_APP_ARGS(args, info);
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if (ast_strlen_zero(args.channel) || ast_strlen_zero(args.label)) {
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ast_log(LOG_WARNING, "%s requires an argument (channel,[[context,]exten,]priority)\n", app);
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return -1;
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}
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if (!(chan2 = ast_channel_get_by_name(args.channel))) {
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ast_log(LOG_WARNING, "No such channel: %s\n", args.channel);
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pbx_builtin_setvar_helper(chan, "CHANNELREDIRECT_STATUS", "NOCHANNEL");
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return 0;
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}
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if (chan2->pbx) {
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ast_set_flag(chan2, AST_FLAG_BRIDGE_HANGUP_DONT); /* don't let the after-bridge code run the h-exten */
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}
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res = ast_async_parseable_goto(chan2, args.label);
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chan2 = ast_channel_unref(chan2);
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pbx_builtin_setvar_helper(chan, "CHANNELREDIRECT_STATUS", "SUCCESS");
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return res;
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}
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static int unload_module(void)
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{
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return ast_unregister_application(app);
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}
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static int load_module(void)
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{
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return ast_register_application_xml(app, asyncgoto_exec) ?
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AST_MODULE_LOAD_DECLINE : AST_MODULE_LOAD_SUCCESS;
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}
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AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Redirects a given channel to a dialplan target");
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