1 /* GIO - GLib Input, Output and Streaming Library
3 * Copyright (C) 2006-2007 Red Hat, Inc.
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
15 * You should have received a copy of the GNU Lesser General
16 * Public License along with this library; if not, write to the
17 * Free Software Foundation, Inc., 59 Temple Place, Suite 330,
18 * Boston, MA 02111-1307, USA.
20 * Author: Alexander Larsson <alexl@redhat.com>
24 #include "giomodule.h"
30 is_valid_module_name (const gchar *basename)
32 #if !defined(G_OS_WIN32) && !defined(G_WITH_CYGWIN)
34 g_str_has_prefix (basename, "lib") &&
35 g_str_has_suffix (basename, ".so");
37 return g_str_has_suffix (basename, ".dll");
42 query_dir (const char *dirname)
48 char **(* query) (void);
52 if (!g_module_supported ())
56 dir = g_dir_open (dirname, 0, &error);
59 g_printerr ("Unable to open directory %s: %s\n", dirname, error->message);
64 data = g_string_new ("");
66 while ((name = g_dir_read_name (dir)))
70 char **extension_points;
72 if (!is_valid_module_name (name))
75 path = g_build_filename (dirname, name, NULL);
76 module = g_module_open (path, G_MODULE_BIND_LAZY | G_MODULE_BIND_LOCAL);
81 g_module_symbol (module, "g_io_module_query", (gpointer) &query);
85 extension_points = query ();
89 g_string_append_printf (data, "%s: ", name);
91 for (i = 0; extension_points[i] != NULL; i++)
92 g_string_append_printf (data, "%s%s", i == 0 ? "" : ",", extension_points[i]);
94 g_string_append (data, "\n");
95 g_strfreev (extension_points);
99 g_module_close (module);
105 cachename = g_build_filename (dirname, "giomodule.cache", NULL);
111 if (!g_file_set_contents (cachename, data->str, data->len, &error))
113 g_printerr ("Unable to create %s: %s\n", cachename, error->message);
114 g_error_free (error);
119 if (g_unlink (cachename) != 0 && errno != ENOENT)
120 g_printerr ("Unable to unlink %s: %s\n", cachename, g_strerror (errno));
123 g_string_free (data, TRUE);
134 g_print ("Usage: gio-querymodules <directory1> [<directory2> ...]\n");
135 g_print ("Will update giomodule.cache in the listed directories\n");
139 for (i = 1; i < argc; i++)