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/*
* plugin_test.c
*
* Copyright 2010-2011 Enrico Tröger <enrico(dot)troeger(at)uvena(dot)de>
* Copyright 2010-2011 Nick Treleaven <nick(dot)treleaven(at)btinternet(dot)com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
/* This code tries to load the passed Geany plugin
* (passed as path, e.g. pluginname.so) and looks up some symbols.
* Example use case for this tool is to test whether a plugin is
* loadable and defines all required symbols.
*
* This file is not built during the normal build process, instead
* compile it on your with the following command in the root of the Geany source tree:
*
* cc -o plugin_test scripts/plugin_test.c `pkg-config --cflags --libs glib-2.0 gmodule-2.0`
*/
#include <stdio.h>
#include <glib.h>
#include <gmodule.h>
static gboolean tp_check_version(GModule *module)
{
/* TODO implement me */
return TRUE;
}
static void tp_close_module(GModule *module)
{
if (! g_module_close(module))
g_warning("%s: %s", g_module_name(module), g_module_error());
}
/* Emulate loading a plugin and looking up some symbols,
* similar to what Geany would do on loading the plugin.
*/
static gboolean test_plugin(const gchar *filename)
{
GModule *module;
void (*plugin_set_info)(void*);
void (*init) (void *data);
void (*cleanup) (void);
g_return_val_if_fail(filename, FALSE);
g_return_val_if_fail(g_module_supported(), FALSE);
module = g_module_open(filename, G_MODULE_BIND_LOCAL);
if (! module)
{
g_warning("Can't load plugin: %s", g_module_error());
return FALSE;
}
if (! tp_check_version(module))
{
tp_close_module(module);
return FALSE;
}
g_module_symbol(module, "plugin_set_info", (void *) &plugin_set_info);
if (plugin_set_info == NULL)
{
g_warning("No plugin_set_info() defined for \"%s\" - consider fixing the plugin!", filename);
tp_close_module(module);
return FALSE;
}
g_module_symbol(module, "plugin_init", (void *) &init);
if (init == NULL)
{
g_warning("Plugin '%s' has no plugin_init() function - consider fixing the plugin!", filename);
tp_close_module(module);
return FALSE;
}
g_module_symbol(module, "plugin_cleanup", (void *) &cleanup);
if (cleanup == NULL)
{
g_warning("Plugin '%s' has no plugin_cleanup() function - there may be memory leaks!", filename);
}
tp_close_module(module);
return TRUE;
}
gint main(gint argc, gchar **argv)
{
gint i;
gint result = 0;
g_set_prgname("plugin_test");
/* we could perform better argument processing here as well as more error checking but
* it's probably not worth at all */
for (i = 1; i < argc; i++)
{
if (! test_plugin(argv[i]))
result = 1;
}
return result;
}
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