/* GMODULE - GLIB wrapper code for dynamic module loading

  * Copyright (C) 1998 Tim Janik

  * Portions copyright (c) 2006 Nokia Corporation.  All rights reserved.

  *

  * This library is free software; you can redistribute it and/or

  * modify it under the terms of the GNU Lesser General Public

  * License as published by the Free Software Foundation; either

  * version 2 of the License, or (at your option) any later version.

  *

  * This library is distributed in the hope that it will be useful,

  * but WITHOUT ANY WARRANTY; without even the implied warranty of

  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the GNU

  * Lesser General Public License for more details.

  *

  * You should have received a copy of the GNU Lesser General Public

  * License along with this library; if not, write to the

  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,

  * Boston, MA 02111-1307, USA.

  */

 /*

  * Modified by the GLib Team and others 1997-2000.  See the AUTHORS

  * file for a list of people on the GLib Team.  See the ChangeLog

  * files for a list of changes.  These files are distributed with

  * GLib at ftp://ftp.gtk.org/pub/gtk/. 

  */

 #ifndef __GMODULE_H__

 #define __GMODULE_H__

 #include <_ansi.h>

 #include <glib.h>

 G_BEGIN_DECLS

 /* exporting and importing functions, this is special cased

  * to feature Windows dll stubs.

  */

 #define	G_MODULE_IMPORT		extern

 #ifdef G_PLATFORM_WIN32

 #  define	G_MODULE_EXPORT		__declspec(dllexport)

 #else /* !G_PLATFORM_WIN32 */

 #  define	G_MODULE_EXPORT

 #endif /* !G_PLATFORM_WIN32 */

 typedef enum

 {

   G_MODULE_BIND_LAZY	= 1 << 0,

   G_MODULE_BIND_LOCAL	= 1 << 1,

   G_MODULE_BIND_MASK	= 0x03

 } GModuleFlags;

 typedef	struct _GModule			 GModule;

 typedef const gchar* (*GModuleCheckInit) (GModule	*module);

 typedef void	     (*GModuleUnload)	 (GModule	*module);

 #ifdef G_OS_WIN32

 #define g_module_open g_module_open_utf8

 #define g_module_name g_module_name_utf8

 #endif

 /* return TRUE if dynamic module loading is supported */

 IMPORT_C gboolean	g_module_supported	   (void) G_GNUC_CONST;

 /* open a module `file_name' and return handle, which is NULL on error */

 IMPORT_C GModule*              g_module_open          (const gchar  *file_name,

 					      GModuleFlags  flags);

 /* close a previously opened module, returns TRUE on success */

 IMPORT_C gboolean              g_module_close         (GModule      *module);

 /* make a module resident so g_module_close on it will be ignored */

 IMPORT_C void                  g_module_make_resident (GModule      *module);

 /* query the last module error as a string */

 IMPORT_C G_CONST_RETURN gchar* g_module_error         (void);

 /* retrieve a symbol pointer from `module', returns TRUE on success */

 IMPORT_C gboolean              g_module_symbol        (GModule      *module,

 					      const gchar  *symbol_name,

 					      gpointer     *symbol);

 /* retrieve the file name from an existing module */

 IMPORT_C G_CONST_RETURN gchar* g_module_name          (GModule      *module);

 /* Build the actual file name containing a module. `directory' is the

  * directory where the module file is supposed to be, or NULL or empty

  * in which case it should either be in the current directory or, on

  * some operating systems, in some standard place, for instance on the

  * PATH. Hence, to be absoultely sure to get the correct module,

  * always pass in a directory. The file name consists of the directory,

  * if supplied, and `module_name' suitably decorated accoring to

  * the operating system's conventions (for instance lib*.so or *.dll).

  *

  * No checks are made that the file exists, or is of correct type.

  */

 IMPORT_C gchar*                g_module_build_path    (const gchar  *directory,

 					      const gchar  *module_name);

 G_END_DECLS

 #endif /* __GMODULE_H__ */