86 lines
2.0 KiB
C
86 lines
2.0 KiB
C
/*
|
|
* Asterisk -- An open source telephony toolkit.
|
|
*
|
|
* Copyright (C) 1999 - 2006, Digium, Inc.
|
|
*
|
|
* See http://www.asterisk.org for more information about
|
|
* the Asterisk project. Please do not directly contact
|
|
* any of the maintainers of this project for assistance;
|
|
* the project provides a web site, mailing lists and IRC
|
|
* channels for your use.
|
|
*
|
|
* This program is free software, distributed under the terms of
|
|
* the GNU General Public License Version 2. See the LICENSE file
|
|
* at the top of the source tree.
|
|
*/
|
|
|
|
/*! \file
|
|
*
|
|
* \brief Simple module check function
|
|
* \author Olle E. Johansson, Edvina.net
|
|
*
|
|
* \ingroup functions
|
|
*/
|
|
|
|
/*** MODULEINFO
|
|
<support_level>core</support_level>
|
|
***/
|
|
|
|
#include "asterisk.h"
|
|
|
|
#include "asterisk/module.h"
|
|
#include "asterisk/pbx.h"
|
|
|
|
/*** DOCUMENTATION
|
|
<function name="IFMODULE" language="en_US">
|
|
<synopsis>
|
|
Checks if an Asterisk module is loaded in memory.
|
|
</synopsis>
|
|
<syntax>
|
|
<parameter name="modulename.so" required="true">
|
|
<para>Module name complete with <literal>.so</literal></para>
|
|
</parameter>
|
|
</syntax>
|
|
<description>
|
|
<para>Checks if a module is loaded. Use the full module name
|
|
as shown by the list in <literal>module list</literal>.
|
|
Returns <literal>1</literal> if module exists in memory, otherwise <literal>0</literal></para>
|
|
</description>
|
|
</function>
|
|
***/
|
|
|
|
static int ifmodule_read(struct ast_channel *chan, const char *cmd, char *data,
|
|
char *buf, size_t len)
|
|
{
|
|
char *ret = "0";
|
|
|
|
*buf = '\0';
|
|
|
|
if (data)
|
|
if (ast_module_check(data))
|
|
ret = "1";
|
|
|
|
ast_copy_string(buf, ret, len);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct ast_custom_function ifmodule_function = {
|
|
.name = "IFMODULE",
|
|
.read = ifmodule_read,
|
|
.read_max = 2,
|
|
};
|
|
|
|
|
|
static int unload_module(void)
|
|
{
|
|
return ast_custom_function_unregister(&ifmodule_function);
|
|
}
|
|
|
|
static int load_module(void)
|
|
{
|
|
return ast_custom_function_register(&ifmodule_function);
|
|
}
|
|
|
|
AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Checks if Asterisk module is loaded in memory");
|