69 lines
1.7 KiB
C
69 lines
1.7 KiB
C
/*
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* Asterisk -- An open source telephony toolkit.
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*
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* Copyright (C) 1999 - 2006, Digium, Inc.
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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 Simple module check function
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* \author Olle E. Johansson, Edvina.net
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*
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* \ingroup functions
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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/module.h"
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#include "asterisk/pbx.h"
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static int ifmodule_read(struct ast_channel *chan, const char *cmd, char *data,
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char *buf, size_t len)
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{
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char *ret = "0";
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*buf = '\0';
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if (data)
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if (ast_module_check(data))
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ret = "1";
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ast_copy_string(buf, ret, len);
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return 0;
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}
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static struct ast_custom_function ifmodule_function = {
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.name = "IFMODULE",
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.synopsis = "Checks if an Asterisk module is loaded in memory",
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.syntax = "IFMODULE(<modulename.so>)",
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.read = ifmodule_read,
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.desc = "Checks if a module is loaded. Use the full module name\n"
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"as shown by the list in \"module list\". \n"
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"Returns \"1\" if module exists in memory, otherwise \"0\".\n",
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};
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static int unload_module(void)
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{
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return ast_custom_function_unregister(&ifmodule_function);
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}
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static int load_module(void)
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{
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return ast_custom_function_register(&ifmodule_function);
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}
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AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Checks if Asterisk module is loaded in memory");
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