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
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
|
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
/* dbus-macros.h generic macros
*
* Copyright (C) 2002 Red Hat Inc.
*
* Licensed under the Academic Free License version 2.1
*
* 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
*
*/
#if !defined (DBUS_INSIDE_DBUS_H) && !defined (DBUS_COMPILATION)
#error "Only <dbus/dbus.h> can be included directly, this file may disappear or change contents."
#endif
#ifndef DBUS_MACROS_H
#define DBUS_MACROS_H
#ifdef __cplusplus
# define DBUS_BEGIN_DECLS extern "C" {
# define DBUS_END_DECLS }
#else
# define DBUS_BEGIN_DECLS
# define DBUS_END_DECLS
#endif
#ifndef TRUE
# define TRUE 1
#endif
#ifndef FALSE
# define FALSE 0
#endif
#ifndef NULL
# ifdef __cplusplus
# define NULL (0L)
# else /* !__cplusplus */
# define NULL ((void*) 0)
# endif /* !__cplusplus */
#endif
#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 1)
# define DBUS_DEPRECATED __attribute__ ((__deprecated__))
#elif defined(_MSC_VER) && (_MSC_VER >= 1300)
# define DBUS_DEPRECATED __declspec(deprecated)
#else
# define DBUS_DEPRECATED
#endif
#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 8)
# define _DBUS_GNUC_EXTENSION __extension__
#else
# define _DBUS_GNUC_EXTENSION
#endif
#if (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ > 4)) || \
defined(__clang__)
#define _DBUS_GNUC_PRINTF( format_idx, arg_idx ) \
__attribute__((__format__ (__printf__, format_idx, arg_idx)))
#define _DBUS_GNUC_NORETURN \
__attribute__((__noreturn__))
#define _DBUS_GNUC_UNUSED \
__attribute__((__unused__))
#else /* !__GNUC__ */
#define _DBUS_GNUC_PRINTF( format_idx, arg_idx )
#define _DBUS_GNUC_NORETURN
#define _DBUS_GNUC_UNUSED
#endif /* !__GNUC__ */
#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 96)
#define DBUS_MALLOC __attribute__((__malloc__))
#else
#define DBUS_MALLOC
#endif
#if (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3)
#define DBUS_ALLOC_SIZE(x) __attribute__((__alloc_size__(x)))
#define DBUS_ALLOC_SIZE2(x,y) __attribute__((__alloc_size__(x,y)))
#else
#define DBUS_ALLOC_SIZE(x)
#define DBUS_ALLOC_SIZE2(x,y)
#endif
#if (__GNUC__ > 3) || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4)
#define _DBUS_GNUC_WARN_UNUSED_RESULT __attribute__((warn_unused_result))
#else
#define _DBUS_GNUC_WARN_UNUSED_RESULT
#endif
/** @def _DBUS_GNUC_PRINTF
* used to tell gcc about printf format strings
*/
/** @def _DBUS_GNUC_NORETURN
* used to tell gcc about functions that never return, such as _dbus_abort()
*/
/** @def _DBUS_GNUC_WARN_UNUSED_RESULT
* used to tell gcc about functions whose result must be used
*/
/* Normally docs are in .c files, but there isn't a .c file for this. */
/**
* @defgroup DBusMacros Utility macros
* @ingroup DBus
* @brief #TRUE, #FALSE, #NULL, and so on
*
* Utility macros.
*
* @{
*/
/**
* @def DBUS_BEGIN_DECLS
*
* Macro used prior to declaring functions in the D-Bus header
* files. Expands to "extern "C"" when using a C++ compiler,
* and expands to nothing when using a C compiler.
*
* Please don't use this in your own code, consider it
* D-Bus internal.
*/
/**
* @def DBUS_END_DECLS
*
* Macro used after declaring functions in the D-Bus header
* files. Expands to "}" when using a C++ compiler,
* and expands to nothing when using a C compiler.
*
* Please don't use this in your own code, consider it
* D-Bus internal.
*/
/**
* @def TRUE
*
* Expands to "1"
*/
/**
* @def FALSE
*
* Expands to "0"
*/
/**
* @def NULL
*
* A null pointer, defined appropriately for C or C++.
*/
/**
* @def DBUS_DEPRECATED
*
* Tells the compiler to warn about a function or type if it's used.
* Code marked in this way should also be enclosed in
* @code
* #ifndef DBUS_DISABLE_DEPRECATED
* deprecated stuff here
* #endif
* @endcode
*
* Please don't use this in your own code, consider it
* D-Bus internal.
*/
/**
* @def _DBUS_GNUC_EXTENSION
*
* Tells gcc not to warn about extensions to the C standard in the
* following expression, even if compiling with -pedantic. Do not use
* this macro in your own code; please consider it to be internal to libdbus.
*/
/*
* @def DBUS_EXPORT
*
* Declare the following symbol as public. This is currently a noop on
* platforms other than Windows.
*/
#if defined(DBUS_EXPORT)
/* value forced by compiler command line, don't redefine */
#elif defined(_WIN32)
# if defined(DBUS_STATIC_BUILD)
# define DBUS_EXPORT
# elif defined(dbus_1_EXPORTS)
# define DBUS_EXPORT __declspec(dllexport)
# else
# define DBUS_EXPORT __declspec(dllimport)
# endif
#elif defined(__GNUC__) && __GNUC__ >= 4
# define DBUS_EXPORT __attribute__ ((__visibility__ ("default")))
#else
#define DBUS_EXPORT
#endif
#if defined(DBUS_PRIVATE_EXPORT)
/* value forced by compiler command line, don't redefine */
#elif defined(_WIN32)
# if defined(DBUS_STATIC_BUILD)
# define DBUS_PRIVATE_EXPORT /* no decoration */
# elif defined(dbus_1_EXPORTS)
# define DBUS_PRIVATE_EXPORT __declspec(dllexport)
# else
# define DBUS_PRIVATE_EXPORT __declspec(dllimport)
# endif
#elif defined(__GNUC__) && __GNUC__ >= 4
# define DBUS_PRIVATE_EXPORT __attribute__ ((__visibility__ ("default")))
#else
# define DBUS_PRIVATE_EXPORT /* no decoration */
#endif
/* Implementation for dbus_clear_message() etc. This is not API,
* do not use it directly.
*
* We're using a specific type (T ** and T *) instead of void ** and
* void * partly for type-safety, partly to be strict-aliasing-compliant,
* and partly to keep C++ compilers happy. This code is inlined into
* users of libdbus, so we can't rely on it having dbus' own compiler
* settings. */
#define _dbus_clear_pointer_impl(T, pointer_to_pointer, destroy) \
do { \
T **_pp = (pointer_to_pointer); \
T *_value = *_pp; \
\
*_pp = NULL; \
\
if (_value != NULL) \
destroy (_value); \
} while (0)
/* Not (destroy) (_value) in case destroy() is a function-like macro */
/** @} */
#endif /* DBUS_MACROS_H */
|