funcs/func_language.c

   1 /*
   2  * Asterisk -- An open source telephony toolkit.
   3  *
   4  * Copyright (C) 1999 - 2006, Digium, Inc.
   5  *
   6  * See http://www.asterisk.org for more information about
   7  * the Asterisk project. Please do not directly contact
   8  * any of the maintainers of this project for assistance;
   9  * the project provides a web site, mailing lists and IRC
  10  * channels for your use.
  11  *
  12  * This program is free software, distributed under the terms of
  13  * the GNU General Public License Version 2. See the LICENSE file
  14  * at the top of the source tree.
  15  */
  16
  17 /*! \file
  18  *
  19  * \brief Language related dialplan functions
  20  *
  21  */
  22
  23 #include "asterisk.h"
  24
  25 ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
  26
  27 #include <stdio.h>
  28 #include <stdlib.h>
  29 #include <string.h>
  30 #include <sys/types.h>
  31
  32 #include "asterisk/module.h"
  33 #include "asterisk/channel.h"
  34 #include "asterisk/pbx.h"
  35 #include "asterisk/logger.h"
  36 #include "asterisk/utils.h"
  37 #include "asterisk/app.h"
  38 #include "asterisk/stringfields.h"
  39
  40 static int depwarning = 0;
  41
  42 static int language_read(struct ast_channel *chan, char *cmd, char *data,
  43                          char *buf, size_t len)
  44 {
  45         if (!depwarning) {
  46                 depwarning = 1;
  47                 ast_log(LOG_WARNING,
  48                                 "LANGUAGE() is deprecated; use CHANNEL(language) instead.\n");
  49         }
  50
  51         ast_copy_string(buf, chan ? chan->language : "", len);
  52
  53         return 0;
  54 }
  55
  56 static int language_write(struct ast_channel *chan, char *cmd, char *data,
  57                           const char *value)
  58 {
  59         if (!depwarning) {
  60                 depwarning = 1;
  61                 ast_log(LOG_WARNING,
  62                                 "LANGUAGE() is deprecated; use CHANNEL(language) instead.\n");
  63         }
  64
  65         if (chan && value)
  66                 ast_string_field_set(chan, language, value);
  67
  68         return 0;
  69 }
  70
  71 static struct ast_custom_function language_function = {
  72         .name = "LANGUAGE",
  73         .synopsis = "Gets or sets the channel's language.",
  74         .syntax = "LANGUAGE()",
  75         .desc = "Deprecated. Use CHANNEL(language) instead.\n",
  76         .read = language_read,
  77         .write = language_write,
  78 };
  79
  80 static int unload_module(void)
  81 {
  82         return ast_custom_function_unregister(&language_function);
  83 }
  84
  85 static int load_module(void)
  86 {
  87         return ast_custom_function_register(&language_function);
  88 }
  89
  90 AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Channel language dialplan function");