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			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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| 
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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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| 
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| ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
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| 
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| #include "asterisk/module.h"
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| #include "asterisk/pbx.h"
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| 
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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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| 
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| 	*buf = '\0';
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| 
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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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| 
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| 	ast_copy_string(buf, ret, len);
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| 
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| 	return 0;
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| }
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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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| 
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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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| 
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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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| 
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| AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Checks if Asterisk module is loaded in memory");
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