Re: g_module in GTK 1.2

[Harring Figueiredo <harringf yahoo com>]

 Take a look at the code testgmodule.c , it is on the 1.2.10 distribution under
the gmodule directory.

 I think that the example is a little too much since it checks for all the
platforms, thus it defeats the purpose of using the API; therefore, it is not
really a good example.
 If you take a look at the API doc,  you will realize that the code takes care
of platfom differences. Having said that, here is a little my own example.

NOTE: pg is my own struct with the fowllowing:

  strcut _plugin
  {
        char* shlib_path;  /* the path where the loadable lib is */
        char* shlib;   /* the plugin itself  -- leave the prefix "lib" and the
suffix ".so" out for maximum portability - glib adds those for us depending on
the platform we are. */
        GModule*  module /* handle to the module */
        (int)(entry_func)(void* data)...            /* init function on the plugin.*/
       ...
  };

 /* here is the code to load the module */

  if( g_module_supported() == FALSE)
  {
            fprintf(stderr, "Plataform does not support loading of shared       
libraries. ");
            return -1;
  }
  path = g_module_build_path(pg->shlib_path, pg->shlib);
  g_return_val_if_fail(path != NULL, -1);
 
  pg->module = (GModule *)g_module_open(path, G_MODULE_BIND_LAZY);
  g_return_val_if_fail(pg->module != NULL, -1);
 
  /* find the function symbol */
  if (g_module_symbol(pg->module, pg->entry_func, &f_ptr) == FALSE)
  {
         fprintf(stderr, "File: %s, Line: %d - Could not find function name
[%s] on plugin %s." __FILE__, __LINE__, pg->entry_func, pg->name)
           return -1;
  }                                                               

Harring.

==================

Hope this help.

--- Jim Parker <hopeye cfl rr com> wrote:
> G'Day !
>
> I am looking for a small program that uses GLIB's g_module API.  I need the
> functionality in my program and would like a simple example of how use the
> API.
>
> Any suggestions ?  Tried Abiword, but code base is too complicated to be
> useful.
>
> BTW is the 1.2 tutorial still available on-line ?
>
> cheers,
> Jim Parker
>
> _______________________________________________
> gtk-app-devel-list mailing list
> gtk-app-devel-list gnome org
> http://mail.gnome.org/mailman/listinfo/gtk-app-devel-list



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