D-Bus: dbus-internals.h Source File

D-Bus 1.10.22

dbus-internals.h
1 /* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
2 /* dbus-internals.h random utility stuff (internal to D-Bus implementation)
3 *
4 * Copyright (C) 2002, 2003 Red Hat, Inc.
5 *
6 * Licensed under the Academic Free License version 2.1
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 *
22 */
23 #ifdef DBUS_INSIDE_DBUS_H
24 #error "You can't include dbus-internals.h in the public header dbus.h"
25 #endif
26
27 #ifndef DBUS_INTERNALS_H
28 #define DBUS_INTERNALS_H
29
30 #include <dbus/dbus-memory.h>
31 #include <dbus/dbus-types.h>
32 #include <dbus/dbus-errors.h>
33 #include <dbus/dbus-sysdeps.h>
34 #include <dbus/dbus-threads-internal.h>
35
36 DBUS_BEGIN_DECLS
37
38 DBUS_PRIVATE_EXPORT
39 void _dbus_warn (const char *format,
40 ...) _DBUS_GNUC_PRINTF (1, 2);
41
42 DBUS_PRIVATE_EXPORT
43 void _dbus_warn_check_failed (const char *format,
44 ...) _DBUS_GNUC_PRINTF (1, 2);
45
46
47 #if defined (__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)
48 #define _DBUS_FUNCTION_NAME __func__
49 #elif defined(__GNUC__) || defined(_MSC_VER)
50 #define _DBUS_FUNCTION_NAME __FUNCTION__
51 #else
52 #define _DBUS_FUNCTION_NAME "unknown function"
53 #endif
54
55 /*
56 * (code from GLib)
57 *
58 * The _DBUS_LIKELY and _DBUS_UNLIKELY macros let the programmer give hints to
59 * the compiler about the expected result of an expression. Some compilers
60 * can use this information for optimizations.
61 *
62 * The _DBUS_BOOLEAN_EXPR macro is intended to trigger a gcc warning when
63 * putting assignments in the macro arg
64 */
65 #if defined(__GNUC__) && (__GNUC__ > 2) && defined(__OPTIMIZE__)
66 #define _DBUS_BOOLEAN_EXPR(expr) \
67 __extension__ ({ \
68 int _dbus_boolean_var_; \
69 if (expr) \
70 _dbus_boolean_var_ = 1; \
71 else \
72 _dbus_boolean_var_ = 0; \
73 _dbus_boolean_var_; \
74 })
75 #define _DBUS_LIKELY(expr) (__builtin_expect (_DBUS_BOOLEAN_EXPR(expr), 1))
76 #define _DBUS_UNLIKELY(expr) (__builtin_expect (_DBUS_BOOLEAN_EXPR(expr), 0))
77 #else
78 #define _DBUS_LIKELY(expr) (expr)
79 #define _DBUS_UNLIKELY(expr) (expr)
80 #endif
81
82 #ifdef DBUS_ENABLE_VERBOSE_MODE
83
84 /*
85 at least gnu cc and msvc compiler are known to
86 have support for variable macro argument lists
87 add other compilers is required
88 */
89 #if defined(__GNUC__) || defined(_MSC_VER)
90 #define DBUS_CPP_SUPPORTS_VARIABLE_MACRO_ARGUMENTS
91 #endif
92
93 #ifdef DBUS_CPP_SUPPORTS_VARIABLE_MACRO_ARGUMENTS
94 DBUS_PRIVATE_EXPORT
95 void _dbus_verbose_real (const char *file, const int line, const char *function,
96 const char *format,...) _DBUS_GNUC_PRINTF (4, 5);
97 # define _dbus_verbose(fmt,...) _dbus_verbose_real( __FILE__,__LINE__,__FUNCTION__,fmt, ## __VA_ARGS__)
98 #else
99 DBUS_PRIVATE_EXPORT
100 void _dbus_verbose_real (const char *format,
101 ...) _DBUS_GNUC_PRINTF (1, 2);
102 # define _dbus_verbose _dbus_verbose_real
103 #endif
104 DBUS_PRIVATE_EXPORT
105 void _dbus_verbose_reset_real (void);
106 DBUS_PRIVATE_EXPORT
107 dbus_bool_t _dbus_is_verbose_real (void);
108 DBUS_PRIVATE_EXPORT
109 dbus_bool_t _dbus_get_verbose (void);
110 DBUS_PRIVATE_EXPORT
111 void _dbus_set_verbose (dbus_bool_t state);
112
113 # define _dbus_verbose_reset _dbus_verbose_reset_real
114 # define _dbus_is_verbose _dbus_is_verbose_real
115 #else
116 # ifdef HAVE_ISO_VARARGS
117 # define _dbus_verbose(...) do { } while (0)
118 # elif defined (HAVE_GNUC_VARARGS)
119 # define _dbus_verbose(format...) do { } while (0)
120 # else
121 static void _dbus_verbose(const char * x,...) {;}
122 # endif
123 # define _dbus_verbose_reset() do { } while (0)
124 # define _dbus_is_verbose() FALSE
125 #endif /* !DBUS_ENABLE_VERBOSE_MODE */
126
127 DBUS_PRIVATE_EXPORT
128 void _dbus_trace_ref (const char *obj_name,
129 void *obj,
130 int old_refcount,
131 int new_refcount,
132 const char *why,
133 const char *env_var,
134 int *enabled);
135
136 DBUS_PRIVATE_EXPORT
137 const char* _dbus_strerror (int error_number);
138
139 #ifdef DBUS_DISABLE_ASSERT
140 #define _dbus_assert(condition) do { } while (0)
141 #else
142 DBUS_PRIVATE_EXPORT
143 void _dbus_real_assert (dbus_bool_t condition,
144 const char *condition_text,
145 const char *file,
146 int line,
147 const char *func);
148 #define _dbus_assert(condition) \
149 _dbus_real_assert ((condition) != 0, #condition, __FILE__, __LINE__, _DBUS_FUNCTION_NAME)
150 #endif /* !DBUS_DISABLE_ASSERT */
151
152 #ifdef DBUS_DISABLE_ASSERT
153 #define _dbus_assert_not_reached(explanation) do { } while (0)
154 #else
155 DBUS_PRIVATE_EXPORT
156 void _dbus_real_assert_not_reached (const char *explanation,
157 const char *file,
158 int line) _DBUS_GNUC_NORETURN;
159 #define _dbus_assert_not_reached(explanation) \
160 _dbus_real_assert_not_reached (explanation, __FILE__, __LINE__)
161 #endif /* !DBUS_DISABLE_ASSERT */
162
163 #ifdef DBUS_DISABLE_CHECKS
164 #define _dbus_return_if_fail(condition)
165 #define _dbus_return_val_if_fail(condition, val)
166 #else
167
168 DBUS_PRIVATE_EXPORT
169 extern const char *_dbus_return_if_fail_warning_format;
170
171 #define _dbus_return_if_fail(condition) do { \
172 _dbus_assert ((*(const char*)_DBUS_FUNCTION_NAME) != '_'); \
173 if (!(condition)) { \
174 _dbus_warn_check_failed (_dbus_return_if_fail_warning_format, \
175 _DBUS_FUNCTION_NAME, #condition, __FILE__, __LINE__); \
176 return; \
177 } } while (0)
178
179 #define _dbus_return_val_if_fail(condition, val) do { \
180 _dbus_assert ((*(const char*)_DBUS_FUNCTION_NAME) != '_'); \
181 if (!(condition)) { \
182 _dbus_warn_check_failed (_dbus_return_if_fail_warning_format, \
183 _DBUS_FUNCTION_NAME, #condition, __FILE__, __LINE__); \
184 return (val); \
185 } } while (0)
186
187 #endif /* !DBUS_DISABLE_ASSERT */
188
189 #define _DBUS_N_ELEMENTS(array) ((int) (sizeof ((array)) / sizeof ((array)[0])))
190
191 #define _DBUS_POINTER_TO_INT(pointer) ((intptr_t)(pointer))
192 #define _DBUS_INT_TO_POINTER(integer) ((void*)((intptr_t)(integer)))
193
194 #define _DBUS_ZERO(object) (memset (&(object), '\0', sizeof ((object))))
195
196 #define _DBUS_STRUCT_OFFSET(struct_type, member) \
197 ((intptr_t) ((unsigned char*) &((struct_type*) 0)->member))
198
199 #define _DBUS_ALIGNOF(type) \
200 (_DBUS_STRUCT_OFFSET (struct { char _1; type _2; }, _2))
201
202 #ifdef DBUS_DISABLE_CHECKS
203 /* this is an assert and not an error, but in the typical --disable-checks case (you're trying
204 * to really minimize code size), disabling these assertions makes sense.
205 */
206 #define _DBUS_ASSERT_ERROR_IS_SET(error) do { } while (0)
207 #define _DBUS_ASSERT_ERROR_IS_CLEAR(error) do { } while (0)
208 #else
209 static inline void
210 _dbus_assert_error_is_set (const DBusError *error)
211 {
212 _dbus_assert (error == NULL || dbus_error_is_set (error));
213 }
214
215 static inline void
216 _dbus_assert_error_is_clear (const DBusError *error)
217 {
218 _dbus_assert (error == NULL || !dbus_error_is_set (error));
219 }
220
221 #define _DBUS_ASSERT_ERROR_IS_SET(error) _dbus_assert_error_is_set(error)
222 #define _DBUS_ASSERT_ERROR_IS_CLEAR(error) _dbus_assert_error_is_clear(error)
223 #endif
224
225 #define _dbus_return_if_error_is_set(error) _dbus_return_if_fail ((error) == NULL || !dbus_error_is_set ((error)))
226 #define _dbus_return_val_if_error_is_set(error, val) _dbus_return_val_if_fail ((error) == NULL || !dbus_error_is_set ((error)), (val))
227
228 /* This alignment thing is from ORBit2 */
229 /* Align a value upward to a boundary, expressed as a number of bytes.
230 * E.g. align to an 8-byte boundary with argument of 8.
231 */
232
233 /*
234 * (this + boundary - 1)
235 * &
236 * ~(boundary - 1)
237 */
238
239 #define _DBUS_ALIGN_VALUE(this, boundary) \
240 (( ((uintptr_t)(this)) + (((uintptr_t)(boundary)) -1)) & (~(((uintptr_t)(boundary))-1)))
241
242 #define _DBUS_ALIGN_ADDRESS(this, boundary) \
243 ((void*)_DBUS_ALIGN_VALUE(this, boundary))
244
245
246 DBUS_PRIVATE_EXPORT
247 char* _dbus_strdup (const char *str);
248 void* _dbus_memdup (const void *mem,
249 size_t n_bytes);
250 DBUS_PRIVATE_EXPORT
251 dbus_bool_t _dbus_string_array_contains (const char **array,
252 const char *str);
253 char** _dbus_dup_string_array (const char **array);
254
255 #define _DBUS_INT16_MIN ((dbus_int16_t) 0x8000)
256 #define _DBUS_INT16_MAX ((dbus_int16_t) 0x7fff)
257 #define _DBUS_UINT16_MAX ((dbus_uint16_t)0xffff)
258 #define _DBUS_INT32_MIN ((dbus_int32_t) 0x80000000)
259 #define _DBUS_INT32_MAX ((dbus_int32_t) 0x7fffffff)
260 #define _DBUS_UINT32_MAX ((dbus_uint32_t)0xffffffff)
261 /* using 32-bit here is sort of bogus */
262 #define _DBUS_INT_MIN _DBUS_INT32_MIN
263 #define _DBUS_INT_MAX _DBUS_INT32_MAX
264 #define _DBUS_UINT_MAX _DBUS_UINT32_MAX
265 #define _DBUS_INT64_MAX DBUS_INT64_CONSTANT (0x7fffffffffffffff)
266 #define _DBUS_UINT64_MAX DBUS_UINT64_CONSTANT (0xffffffffffffffff)
267 #define _DBUS_ONE_KILOBYTE 1024
268 #define _DBUS_ONE_MEGABYTE 1024 * _DBUS_ONE_KILOBYTE
269 #define _DBUS_ONE_HOUR_IN_MILLISECONDS (1000 * 60 * 60)
270 #define _DBUS_USEC_PER_SECOND (1000000)
271
272 #undef MAX
273 #define MAX(a, b) (((a) > (b)) ? (a) : (b))
274
275 #undef MIN
276 #define MIN(a, b) (((a) < (b)) ? (a) : (b))
277
278 #undef ABS
279 #define ABS(a) (((a) < 0) ? -(a) : (a))
280
281 #define _DBUS_ISASCII(c) ((c) != '\0' && (((c) & ~0x7f) == 0))
282
283 typedef void (* DBusForeachFunction) (void *element,
284 void *data);
285
286 void _dbus_verbose_bytes (const unsigned char *data,
287 int len,
288 int offset);
289 DBUS_PRIVATE_EXPORT
290 void _dbus_verbose_bytes_of_string (const DBusString *str,
291 int start,
292 int len);
293
294 DBUS_PRIVATE_EXPORT
295 extern const char *_dbus_no_memory_message;
296 #define _DBUS_SET_OOM(error) dbus_set_error_const ((error), DBUS_ERROR_NO_MEMORY, _dbus_no_memory_message)
297 DBUS_PRIVATE_EXPORT
298 void _dbus_set_error_valist (DBusError *error,
299 const char *name,
300 const char *format,
301 va_list args) _DBUS_GNUC_PRINTF (3, 0);
302
303 #ifdef DBUS_ENABLE_EMBEDDED_TESTS
304 /* Memory debugging */
305 void _dbus_set_fail_alloc_counter (int until_next_fail);
306 int _dbus_get_fail_alloc_counter (void);
307 void _dbus_set_fail_alloc_failures (int failures_per_failure);
308 int _dbus_get_fail_alloc_failures (void);
309 dbus_bool_t _dbus_decrement_fail_alloc_counter (void);
310 dbus_bool_t _dbus_disable_mem_pools (void);
311 DBUS_PRIVATE_EXPORT
312 int _dbus_get_malloc_blocks_outstanding (void);
313
314 typedef dbus_bool_t (* DBusTestMemoryFunction) (void *data);
315 DBUS_PRIVATE_EXPORT
316 dbus_bool_t _dbus_test_oom_handling (const char *description,
317 DBusTestMemoryFunction func,
318 void *data);
319 #else
320 #define _dbus_set_fail_alloc_counter(n)
321 #define _dbus_get_fail_alloc_counter _DBUS_INT_MAX
322
323 /* These are constant expressions so that blocks
324 * they protect should be optimized away
325 */
326 #define _dbus_decrement_fail_alloc_counter() (FALSE)
327 #define _dbus_disable_mem_pools() (FALSE)
328 #define _dbus_get_malloc_blocks_outstanding (0)
329 #endif /* !DBUS_ENABLE_EMBEDDED_TESTS */
330
331 typedef void (* DBusShutdownFunction) (void *data);
332 DBUS_PRIVATE_EXPORT
333 dbus_bool_t _dbus_register_shutdown_func (DBusShutdownFunction function,
334 void *data);
335 dbus_bool_t _dbus_register_shutdown_func_unlocked (DBusShutdownFunction function,
336 void *data);
337
338 extern int _dbus_current_generation;
339
340 /* The weird case convention is to avoid having to change all the callers,
341 * which would be quite a mega-patch. */
342 typedef enum
343 {
344 /* index 0-4 */
345 _DBUS_LOCK_list,
346 _DBUS_LOCK_connection_slots,
347 _DBUS_LOCK_pending_call_slots,
348 _DBUS_LOCK_server_slots,
349 _DBUS_LOCK_message_slots,
350 /* index 5-9 */
351 _DBUS_LOCK_bus,
352 _DBUS_LOCK_bus_datas,
353 _DBUS_LOCK_shutdown_funcs,
354 _DBUS_LOCK_system_users,
355 _DBUS_LOCK_message_cache,
356 /* index 10-12 */
357 _DBUS_LOCK_shared_connections,
358 _DBUS_LOCK_machine_uuid,
359 _DBUS_LOCK_sysdeps,
360
361 _DBUS_N_GLOBAL_LOCKS
362 } DBusGlobalLock;
363
364 dbus_bool_t _dbus_lock (DBusGlobalLock lock) _DBUS_GNUC_WARN_UNUSED_RESULT;
365 void _dbus_unlock (DBusGlobalLock lock);
366
367 #define _DBUS_LOCK_NAME(name) _DBUS_LOCK_##name
368 #define _DBUS_LOCK(name) _dbus_lock (_DBUS_LOCK_##name)
369 #define _DBUS_UNLOCK(name) _dbus_unlock (_DBUS_LOCK_##name)
370
371 DBUS_PRIVATE_EXPORT
372 dbus_bool_t _dbus_threads_init_debug (void);
373
374 dbus_bool_t _dbus_address_append_escaped (DBusString *escaped,
375 const DBusString *unescaped);
376
377 void _dbus_set_bad_address (DBusError *error,
378 const char *address_problem_type,
379 const char *address_problem_field,
380 const char *address_problem_other);
381
382 #define DBUS_UUID_LENGTH_BYTES 16
383 #define DBUS_UUID_LENGTH_WORDS (DBUS_UUID_LENGTH_BYTES / 4)
384 #define DBUS_UUID_LENGTH_HEX (DBUS_UUID_LENGTH_BYTES * 2)
385
390 union DBusGUID
391 {
392 dbus_uint32_t as_uint32s[DBUS_UUID_LENGTH_WORDS];
393 char as_bytes[DBUS_UUID_LENGTH_BYTES];
394 };
395
396 DBUS_PRIVATE_EXPORT _DBUS_GNUC_WARN_UNUSED_RESULT
397 dbus_bool_t _dbus_generate_uuid (DBusGUID *uuid,
398 DBusError *error);
399 DBUS_PRIVATE_EXPORT
400 dbus_bool_t _dbus_uuid_encode (const DBusGUID *uuid,
401 DBusString *encoded);
402 dbus_bool_t _dbus_read_uuid_file (const DBusString *filename,
403 DBusGUID *uuid,
404 dbus_bool_t create_if_not_found,
405 DBusError *error);
406
407 dbus_bool_t _dbus_write_uuid_file (const DBusString *filename,
408 const DBusGUID *uuid,
409 DBusError *error);
410
411 dbus_bool_t _dbus_get_local_machine_uuid_encoded (DBusString *uuid_str,
412 DBusError *error);
413
414 #define _DBUS_PASTE2(a, b) a ## b
415 #define _DBUS_PASTE(a, b) _DBUS_PASTE2 (a, b)
416 #define _DBUS_STATIC_ASSERT(expr) \
417 typedef struct { char _assertion[(expr) ? 1 : -1]; } \
418 _DBUS_PASTE (_DBUS_STATIC_ASSERT_, __LINE__) _DBUS_GNUC_UNUSED
419
420 DBUS_END_DECLS
421
422 #endif /* DBUS_INTERNALS_H */
_dbus_uuid_encode
DBUS_PRIVATE_EXPORT dbus_bool_t _dbus_uuid_encode(const DBusGUID *uuid, DBusString *encoded)
Hex-encode a UUID.
Definition: dbus-internals.c:689
NULL
#define NULL
A null pointer, defined appropriately for C or C++.
DBUS_BEGIN_DECLS
#define DBUS_BEGIN_DECLS
Macro used prior to declaring functions in the D-Bus header files.
_dbus_real_assert
DBUS_PRIVATE_EXPORT void _dbus_real_assert(dbus_bool_t condition, const char *condition_text, const char *file, int line, const char *func)
Internals of _dbus_assert(); it&#39;s a function rather than a macro with the inline code so that the ass...
Definition: dbus-internals.c:953
_dbus_generate_uuid
DBUS_PRIVATE_EXPORT _DBUS_GNUC_WARN_UNUSED_RESULT dbus_bool_t _dbus_generate_uuid(DBusGUID *uuid, DBusError *error)
Generates a new UUID.
Definition: dbus-internals.c:653
_dbus_get_local_machine_uuid_encoded
dbus_bool_t _dbus_get_local_machine_uuid_encoded(DBusString *uuid_str, DBusError *error)
Gets the hex-encoded UUID of the machine this function is executed on.
Definition: dbus-internals.c:884
DBusGUID::as_uint32s
dbus_uint32_t as_uint32s[DBUS_UUID_LENGTH_WORDS]
guid as four uint32 values
Definition: dbus-internals.h:392
_dbus_return_if_fail_warning_format
DBUS_PRIVATE_EXPORT const char * _dbus_return_if_fail_warning_format
String used in _dbus_return_if_fail macro.
Definition: dbus-internals.c:934
_dbus_assert
#define _dbus_assert(condition)
Aborts with an error message if the condition is false.
Definition: dbus-internals.h:148
DBusGUID::as_bytes
char as_bytes[DBUS_UUID_LENGTH_BYTES]
guid as 16 single-byte values
Definition: dbus-internals.h:393
_dbus_warn_check_failed
DBUS_PRIVATE_EXPORT void _dbus_warn_check_failed(const char *format,...)
Prints a "critical" warning to stderr when an assertion fails; differs from _dbus_warn primarily in t...
Definition: dbus-internals.c:258
DBusGUID
A globally unique ID ; we have one for each DBusServer, and also one for each machine with libdbus in...
Definition: dbus-internals.h:390
_dbus_real_assert_not_reached
DBUS_PRIVATE_EXPORT void _dbus_real_assert_not_reached(const char *explanation, const char *file, int line) _DBUS_GNUC_NORETURN
Internals of _dbus_assert_not_reached(); it&#39;s a function rather than a macro with the inline code so ...
Definition: dbus-internals.c:978
DBusString
Definition: dbus-string.h:42
dbus_bool_t
dbus_uint32_t dbus_bool_t
A boolean, valid values are TRUE and FALSE.
Definition: dbus-types.h:35
_dbus_no_memory_message
DBUS_PRIVATE_EXPORT const char * _dbus_no_memory_message
Fixed "out of memory" error message, just to avoid making up a different string every time and wastin...
Definition: dbus-internals.c:184
_dbus_warn
DBUS_PRIVATE_EXPORT void _dbus_warn(const char *format,...)
Prints a warning message to stderr.
Definition: dbus-internals.c:230
_dbus_memdup
void * _dbus_memdup(const void *mem, size_t n_bytes)
Duplicates a block of memory.
Definition: dbus-internals.c:565
_dbus_set_bad_address
void _dbus_set_bad_address(DBusError *error, const char *address_problem_type, const char *address_problem_field, const char *address_problem_other)
Sets DBUS_ERROR_BAD_ADDRESS.
Definition: dbus-address.c:65
_dbus_current_generation
int _dbus_current_generation
_dbus_current_generation is used to track each time that dbus_shutdown() is called, so we can reinit things after it&#39;s been called.
Definition: dbus-memory.c:781
DBusError
Object representing an exception.
Definition: dbus-errors.h:48
_dbus_address_append_escaped
dbus_bool_t _dbus_address_append_escaped(DBusString *escaped, const DBusString *unescaped)
Appends an escaped version of one string to another string, using the D-Bus address escaping mechanis...
Definition: dbus-address.c:104
_dbus_dup_string_array
char ** _dbus_dup_string_array(const char **array)
Duplicates a string array.
Definition: dbus-internals.c:588
_dbus_read_uuid_file
dbus_bool_t _dbus_read_uuid_file(const DBusString *filename, DBusGUID *uuid, dbus_bool_t create_if_not_found, DBusError *error)
Reads (and optionally writes) a uuid to a file.
Definition: dbus-internals.c:832
_dbus_string_array_contains
DBUS_PRIVATE_EXPORT dbus_bool_t _dbus_string_array_contains(const char **array, const char *str)
Checks whether a string array contains the given string.
Definition: dbus-internals.c:628
DBusForeachFunction
void(* DBusForeachFunction)(void *element, void *data)
Used to iterate over each item in a collection, such as a DBusList.
Definition: dbus-internals.h:283
_dbus_write_uuid_file
dbus_bool_t _dbus_write_uuid_file(const DBusString *filename, const DBusGUID *uuid, DBusError *error)
Write the give UUID to a file.
Definition: dbus-internals.c:783
_dbus_register_shutdown_func
DBUS_PRIVATE_EXPORT dbus_bool_t _dbus_register_shutdown_func(DBusShutdownFunction function, void *data)
Register a cleanup function to be called exactly once the next time dbus_shutdown() is called...
Definition: dbus-memory.c:810
_dbus_verbose_bytes_of_string
DBUS_PRIVATE_EXPORT void _dbus_verbose_bytes_of_string(const DBusString *str, int start, int len)
Dump the given part of the string to verbose log.
Definition: dbus-marshal-basic.c:1360
_dbus_strdup
DBUS_PRIVATE_EXPORT char * _dbus_strdup(const char *str)
Duplicates a string.
Definition: dbus-internals.c:537
dbus_error_is_set
dbus_bool_t dbus_error_is_set(const DBusError *error)
Checks whether an error occurred (the error is set).
Definition: dbus-errors.c:329
DBUS_END_DECLS
#define DBUS_END_DECLS
Macro used after declaring functions in the D-Bus header files.
_dbus_verbose_bytes
void _dbus_verbose_bytes(const unsigned char *data, int len, int offset)
If in verbose mode, print a block of binary data.
Definition: dbus-marshal-basic.c:1280