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/*
* glib-compat.h
*
* Copyright 2011 Hong Jen Yee (PCMan) <pcman.tw@gmail.com>
*
* This file is a part of the Libfm library.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef __GLIB_COMPAT_H__
#define __GLIB_COMPAT_H__
#include <glib.h>
#include <glib-object.h>
G_BEGIN_DECLS
/* GLib prior 2.24 have no such macro */
#ifndef G_DEFINE_INTERFACE
# define G_DEFINE_INTERFACE(TN, t_n, T_P) \
static void t_n##_default_init (TN##Interface *klass); \
GType t_n##_get_type (void) \
{ \
static volatile gsize g_define_type_id__volatile = 0; \
if (g_once_init_enter (&g_define_type_id__volatile)) \
{ \
GType g_define_type_id = \
g_type_register_static_simple (G_TYPE_INTERFACE, \
g_intern_static_string (#TN), \
sizeof (TN##Interface), \
(GClassInitFunc)t_n##_default_init, \
0, \
(GInstanceInitFunc)NULL, \
(GTypeFlags) 0); \
if (T_P) \
g_type_interface_add_prerequisite (g_define_type_id, T_P); \
g_once_init_leave (&g_define_type_id__volatile, g_define_type_id); \
} \
return g_define_type_id__volatile; \
} /* closes t_n##_get_type() */
#endif /* G_DEFINE_INTERFACE */
#if !GLIB_CHECK_VERSION(2, 28, 0)
gboolean
g_signal_accumulator_first_wins (GSignalInvocationHint *ihint,
GValue *return_accu,
const GValue *handler_return,
gpointer dummy);
#endif
#if !GLIB_CHECK_VERSION(2, 28, 0)
/* This API was added in glib 2.28 */
#define g_slist_free_full(slist, free_func) \
{ \
g_slist_foreach(slist, (GFunc)free_func, NULL); \
g_slist_free(slist); \
}
#define g_list_free_full(list, free_func) \
{ \
g_list_foreach(list, (GFunc)free_func, NULL); \
g_list_free(list); \
}
#endif
#if !GLIB_CHECK_VERSION(2, 34, 0)
/* This useful API was added in glib 2.34 */
static inline GSList *g_slist_copy_deep(GSList *list, GCopyFunc func, gpointer user_data)
{
GSList *new_list = g_slist_copy(list), *l;
for(l = new_list; l; l = l->next)
l->data = func(l->data, user_data);
return new_list;
}
#endif
G_END_DECLS
#endif
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