1 /* GIO - GLib Input, Output and Streaming Library
2 *
3 * Copyright (C) 2017 Collabora Inc.
4 *
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 2.1 of the License, or (at your option) any later version.
9 *
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.
14 *
15 * You should have received a copy of the GNU Lesser General
16 * Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
17 *
18 * Author: Xavier Claessens <xavier.claessens@collabora.com>
19 */
20
21 #include "config.h"
22 #include "giomodule.h"
23 #include "giomodule-priv.h"
24
25 #include <string.h>
26
27 /**
28 * _g_io_module_extract_name:
29 * @filename: filename of a GIOModule
30 *
31 * Extract the plugin name from its filename. It removes optional "lib" or
32 * "libgio" prefix, and removes everything after the first dot. For example:
33 * "libgiognutls.so" -> "gnutls".
34 *
35 * Returns: (transfer full): the module's name
36 */
37 gchar *
_g_io_module_extract_name(const char * filename)38 _g_io_module_extract_name (const char *filename)
39 {
40 gchar *bname, *name;
41 const gchar *dot;
42 gsize prefix_len, len;
43 gsize i;
44
45 bname = g_path_get_basename (filename);
46 for (i = 0; bname[i]; ++i)
47 {
48 if (bname[i] == '-')
49 bname[i] = '_';
50 }
51
52 if (g_str_has_prefix (bname, "libgio"))
53 prefix_len = 6;
54 /* DLLs built with MSVC generally do not have the 'lib' prefix */
55 else if (g_str_has_prefix (bname, "lib") || g_str_has_prefix (bname, "gio"))
56 prefix_len = 3;
57 else
58 prefix_len = 0; /* use whole name (minus suffix) as plugin name */
59
60 dot = strchr (bname, '.');
61 if (dot != NULL)
62 len = dot - bname - prefix_len;
63 else
64 len = strlen (bname + prefix_len);
65
66 name = g_strndup (bname + prefix_len, len);
67 g_free (bname);
68
69 return name;
70 }
71