/* GMODULE - GLIB wrapper code for dynamic module loading * Copyright (C) 1998 Tim Janik * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library 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 * Library General Public License for more details. * * You should have received a copy of the GNU Library 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 1997-1999. 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__ #ifdef __cplusplus extern "C" { #endif /* __cplusplus */ extern const char *g_log_domain_gmodule; #include <glib.h> /* exporting and importing functions, this is special cased * to feature Windows dll stubs. */ #define G_MODULE_IMPORT extern #ifdef NATIVE_WIN32 # define G_MODULE_EXPORT __declspec(dllexport) #else /* !NATIVE_WIN32 */ # define G_MODULE_EXPORT #endif /* !NATIVE_WIN32 */ typedef enum { G_MODULE_BIND_LAZY = 1 << 0, G_MODULE_BIND_MASK = 0x01 } GModuleFlags; typedef struct _GModule GModule; typedef const gchar* (*GModuleCheckInit) (GModule *module); typedef void (*GModuleUnload) (GModule *module); /* return TRUE if dynamic module loading is supported */ gboolean g_module_supported (void); /* open a module `file_name' and return handle, which is NULL on error */ GModule* g_module_open (const gchar *file_name, GModuleFlags flags); /* close a previously opened module, returns TRUE on success */ gboolean g_module_close (GModule *module); /* make a module resident so g_module_close on it will be ignored */ void g_module_make_resident (GModule *module); /* query the last module error as a string */ gchar* g_module_error (void); /* retrive a symbol pointer from `module', returns TRUE on success */ gboolean g_module_symbol (GModule *module, const gchar *symbol_name, gpointer *symbol); /* retrive the file name from an existing module */ 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. */ gchar* g_module_build_path (const gchar *directory, const gchar *module_name); #ifdef __cplusplus } #endif /* __cplusplus */ #endif /* __GMODULE_H__ */