summaryrefslogtreecommitdiff
path: root/include/nm-glib-compat.h
blob: 7a9bb3160ab0ec794b79bfb6175f31bbebca9a6a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
/*
 * 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.
 *
 * Copyright 2008 - 2011 Red Hat, Inc.
 */

#ifndef __NM_GLIB_COMPAT_H__
#define __NM_GLIB_COMPAT_H__


#include <glib.h>
#include <glib-object.h>


#ifdef __clang__

#undef G_GNUC_BEGIN_IGNORE_DEPRECATIONS
#undef G_GNUC_END_IGNORE_DEPRECATIONS

#define G_GNUC_BEGIN_IGNORE_DEPRECATIONS \
    _Pragma("clang diagnostic push") \
    _Pragma("clang diagnostic ignored \"-Wdeprecated-declarations\"")

#define G_GNUC_END_IGNORE_DEPRECATIONS \
    _Pragma("clang diagnostic pop")

#endif


#include "nm-gvaluearray-compat.h"


static inline void
__g_type_ensure (GType type)
{
#if !GLIB_CHECK_VERSION(2,34,0)
	if (G_UNLIKELY (type == (GType)-1))
		g_error ("can't happen");
#else
	G_GNUC_BEGIN_IGNORE_DEPRECATIONS;
	g_type_ensure (type);
	G_GNUC_END_IGNORE_DEPRECATIONS;
#endif
}
#define g_type_ensure __g_type_ensure

#if !GLIB_CHECK_VERSION(2,34,0)

#define g_clear_pointer(pp, destroy)	  \
	G_STMT_START { \
		G_STATIC_ASSERT (sizeof *(pp) == sizeof (gpointer)); \
		/* Only one access, please */ \
		gpointer *_pp = (gpointer *) (pp); \
		gpointer _p; \
		/* This assignment is needed to avoid a gcc warning */ \
		GDestroyNotify _destroy = (GDestroyNotify) (destroy); \
	  \
		(void) (0 ? (gpointer) *(pp) : 0); \
		do \
			_p = g_atomic_pointer_get (_pp); \
		while G_UNLIKELY (!g_atomic_pointer_compare_and_exchange (_pp, _p, NULL)); \
	  \
		if (_p) \
			_destroy (_p); \
	} G_STMT_END

/* These are used to clean up the output of test programs; we can just let
 * them no-op in older glib.
 */
#define g_test_expect_message(log_domain, log_level, pattern)
#define g_test_assert_expected_messages()

#else

/* We build with -DGLIB_MAX_ALLOWED_VERSION set to 2.32 to make sure we don't
 * accidentally use new API that we shouldn't. But we don't want warnings for
 * the APIs that we emulate above.
 */

#define g_test_expect_message(domain, level, format...) \
	G_STMT_START { \
		G_GNUC_BEGIN_IGNORE_DEPRECATIONS \
		g_test_expect_message (domain, level, format); \
		G_GNUC_END_IGNORE_DEPRECATIONS \
	} G_STMT_END

#define g_test_assert_expected_messages_internal(domain, file, line, func) \
	G_STMT_START { \
		G_GNUC_BEGIN_IGNORE_DEPRECATIONS \
		g_test_assert_expected_messages_internal (domain, file, line, func); \
		G_GNUC_END_IGNORE_DEPRECATIONS \
	} G_STMT_END

#endif

/* g_test_initialized() is only available since glib 2.36. */
#if !GLIB_CHECK_VERSION (2, 36, 0)
#define g_test_initialized() (g_test_config_vars->test_initialized)
#endif

/* g_test_skip() is only available since glib 2.38. Add a compatibility wrapper. */
inline static void
__nmtst_g_test_skip (const gchar *msg)
{
#if GLIB_CHECK_VERSION (2, 38, 0)
	G_GNUC_BEGIN_IGNORE_DEPRECATIONS
	g_test_skip (msg);
	G_GNUC_END_IGNORE_DEPRECATIONS
#else
	g_debug ("%s", msg);
#endif
}
#define g_test_skip __nmtst_g_test_skip


/* g_test_add_data_func_full() is only available since glib 2.34. Add a compatibility wrapper. */
inline static void
__g_test_add_data_func_full (const char     *testpath,
                             gpointer        test_data,
                             GTestDataFunc   test_func,
                             GDestroyNotify  data_free_func)
{
#if GLIB_CHECK_VERSION (2, 34, 0)
	G_GNUC_BEGIN_IGNORE_DEPRECATIONS
	g_test_add_data_func_full (testpath, test_data, test_func, data_free_func);
	G_GNUC_END_IGNORE_DEPRECATIONS
#else
	g_return_if_fail (testpath != NULL);
	g_return_if_fail (testpath[0] == '/');
	g_return_if_fail (test_func != NULL);

	g_test_add_vtable (testpath, 0, test_data, NULL,
	                   (GTestFixtureFunc) test_func,
	                   (GTestFixtureFunc) data_free_func);
#endif
}
#define g_test_add_data_func_full __g_test_add_data_func_full


#if !GLIB_CHECK_VERSION (2, 34, 0)
#define G_DEFINE_QUARK(QN, q_n)               \
GQuark                                        \
q_n##_quark (void)                            \
{                                             \
	static GQuark q;                          \
                                              \
	if G_UNLIKELY (q == 0)                    \
		q = g_quark_from_static_string (#QN); \
                                              \
	return q;                                 \
}
#endif

#endif  /* __NM_GLIB_COMPAT_H__ */