/* IRCfs - IRC FileServ for *nix.
 * Copyright (C) 2002  Nick 'Zaf' Clifford <zaf@nrc.co.nz>
 * For licensing details, refer to the LICENSE file in the source 
 * code directory.
 */
#ifndef __module_h__
#define __module_h__

#include "debug.h"
extern DEBUG module_debug;
typedef int (* const module_func_t)(void);

#define MODULE_NAME(x)		static const char module_name[]={x}
#define MODULE_INIT(x)		int x(void); static module_func_t _module_init=x
#define MODULE_POST(x)		int x(void)
#define MODULE_DESTROY(x)	int x(void); static module_func_t _module_destroy=x
#define MODULE_DEPENDS(...)	static const char *_module_depends[]={"" , ## __VA_ARGS__ , NULL}

#define MODULE_LOADED()		(_module_info.loaded)
#define ASSERT_MODULE_LOADED()	{ if (_module_info.loaded == 0) { \
					error(module_debug,"MODULE_LOADED ASSERTION %s:%d "\
							"module %s not "\
							"loaded.",\
							__FILE__,__LINE__,\
							_module_info.name);\
					}\
				}
struct module {
	const char *name;
	int (*init)(void);
	int (*destroy)(void);
	int loaded;
	const char **depends;
};

#define MODULE_REGISTER(x) \
	static struct module _module_info;\
	int module__ ## x ## __init(void)  {\
		_module_info.name = module_name; \
		_module_info.depends = _module_depends; \
		_module_info.init = _module_init; \
		_module_info.destroy = _module_destroy; \
		register_module(&_module_info); \
		return 0; \
	}

int load_modules();
int init_modules();
void register_module(struct module *modinfo);
int unload_modules();

int module_check_load(const char *name);

#endif