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/* module-test.c - test program for GMODULE
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* Copyright (C) 1998 Tim Janik
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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* Modified by the GLib Team and others 1997-2000. See the AUTHORS
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* file for a list of people on the GLib Team. See the ChangeLog
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* files for a list of changes. These files are distributed with
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* GLib at ftp://ftp.gtk.org/pub/gtk/.
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#undef G_DISABLE_ASSERT
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global_state = "global clash";
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typedef void (*SimpleFunc) (void);
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typedef void (*GModuleFunc) (GModule *);
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static gchar **gplugin_a_state;
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static gchar **gplugin_b_state;
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compare (const gchar *desc, const gchar *expected, const gchar *found)
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if (!expected && !found)
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if (expected && found && strcmp (expected, found) == 0)
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g_error ("error: %s state should have been \"%s\", but is \"%s\"",
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desc, expected ? expected : "NULL", found ? found : "NULL");
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test_states (const gchar *global, const gchar *gplugin_a,
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const gchar *gplugin_b)
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compare ("global", global, global_state);
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compare ("Plugin A", gplugin_a, *gplugin_a_state);
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compare ("Plugin B", gplugin_b, *gplugin_b_state);
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global_state = *gplugin_a_state = *gplugin_b_state = NULL;
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static SimpleFunc plugin_clash_func = NULL;
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GModule *module_self, *module_a, *module_b;
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gchar *plugin_a, *plugin_b;
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SimpleFunc f_a, f_b, f_self;
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if (!g_module_supported ())
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g_error ("dynamic modules not supported");
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dir = g_get_current_dir ();
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plugin_a = g_strconcat (dir, G_DIR_SEPARATOR_S "libmoduletestplugin_a",
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plugin_b = g_strconcat (dir, G_DIR_SEPARATOR_S "libmoduletestplugin_b",
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module_self = g_module_open (NULL, G_MODULE_BIND_LAZY);
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g_error ("error: %s", g_module_error ());
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if (!g_module_symbol (module_self, "g_module_close", (gpointer *) &f_self))
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g_error ("error: %s", g_module_error ());
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module_a = g_module_open (plugin_a, G_MODULE_BIND_LAZY);
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g_error ("error: %s", g_module_error ());
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module_b = g_module_open (plugin_b, G_MODULE_BIND_LAZY);
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g_error ("error: %s", g_module_error ());
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/* get plugin state vars */
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if (!g_module_symbol (module_a, "gplugin_a_state",
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(gpointer *) &gplugin_a_state))
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g_error ("error: %s", g_module_error ());
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if (!g_module_symbol (module_b, "gplugin_b_state",
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(gpointer *) &gplugin_b_state))
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g_error ("error: %s", g_module_error ());
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test_states (NULL, NULL, "check-init");
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/* get plugin specific symbols and call them
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if (!g_module_symbol (module_a, "gplugin_a_func", (gpointer *) &f_a))
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g_error ("error: %s", g_module_error ());
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test_states (NULL, NULL, NULL);
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if (!g_module_symbol (module_b, "gplugin_b_func", (gpointer *) &f_b))
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g_error ("error: %s", g_module_error ());
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test_states (NULL, NULL, NULL);
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test_states (NULL, "Hello world", NULL);
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test_states (NULL, NULL, "Hello world");
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/* get and call globally clashing functions
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if (!g_module_symbol (module_self, "g_clash_func", (gpointer *) &f_self))
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g_error ("error: %s", g_module_error ());
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test_states (NULL, NULL, NULL);
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if (!g_module_symbol (module_a, "g_clash_func", (gpointer *) &f_a))
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g_error ("error: %s", g_module_error ());
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test_states (NULL, NULL, NULL);
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if (!g_module_symbol (module_b, "g_clash_func", (gpointer *) &f_b))
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g_error ("error: %s", g_module_error ());
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test_states (NULL, NULL, NULL);
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test_states ("global clash", NULL, NULL);
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test_states (NULL, "global clash", NULL);
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test_states (NULL, NULL, "global clash");
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/* get and call clashing plugin functions */
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if (!g_module_symbol (module_a, "gplugin_clash_func", (gpointer *) &f_a))
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g_error ("error: %s", g_module_error ());
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test_states (NULL, NULL, NULL);
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if (!g_module_symbol (module_b, "gplugin_clash_func", (gpointer *) &f_b))
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g_error ("error: %s", g_module_error ());
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test_states (NULL, NULL, NULL);
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plugin_clash_func = f_a;
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plugin_clash_func ();
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test_states (NULL, "plugin clash", NULL);
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plugin_clash_func = f_b;
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plugin_clash_func ();
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test_states (NULL, NULL, "plugin clash");
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/* call gmodule function from A */
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if (!g_module_symbol (module_a, "gplugin_a_module_func", (gpointer *) &gmod_f))
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g_error ("error: %s", g_module_error ());
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test_states (NULL, NULL, NULL);
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test_states (NULL, NULL, "BOOH");
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test_states (NULL, "BOOH", NULL);
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if (!g_module_close (module_a))
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g_error ("error: %s", g_module_error ());
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if (!g_module_close (module_b))
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g_error ("error: %s", g_module_error ());