D-Bus  1.14.99
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-macros-internal.h>
35 #include <dbus/dbus-threads-internal.h>
36 
38 
39 DBUS_PRIVATE_EXPORT
40 void _dbus_warn (const char *format,
41  ...) _DBUS_GNUC_PRINTF (1, 2);
42 
43 DBUS_PRIVATE_EXPORT
44 void _dbus_warn_check_failed (const char *format,
45  ...) _DBUS_GNUC_PRINTF (1, 2);
46 DBUS_PRIVATE_EXPORT
47 void _dbus_warn_return_if_fail (const char *function,
48  const char *assertion,
49  const char *file,
50  int line);
51 
52 DBUS_EMBEDDED_TESTS_EXPORT
53 int _dbus_get_check_failed_count (void);
54 
55 #if defined (__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)
56 #define _DBUS_FUNCTION_NAME __func__
57 #elif defined(__GNUC__) || defined(_MSC_VER)
58 #define _DBUS_FUNCTION_NAME __FUNCTION__
59 #else
60 #define _DBUS_FUNCTION_NAME "unknown function"
61 #endif
62 
63 /*
64  * (code from GLib)
65  *
66  * The _DBUS_LIKELY and _DBUS_UNLIKELY macros let the programmer give hints to
67  * the compiler about the expected result of an expression. Some compilers
68  * can use this information for optimizations.
69  *
70  * The _DBUS_BOOLEAN_EXPR macro is intended to trigger a gcc warning when
71  * putting assignments in the macro arg
72  */
73 #if defined(__GNUC__) && (__GNUC__ > 2) && defined(__OPTIMIZE__)
74 #define _DBUS_BOOLEAN_EXPR(expr) \
75  __extension__ ({ \
76  int _dbus_boolean_var_; \
77  if (expr) \
78  _dbus_boolean_var_ = 1; \
79  else \
80  _dbus_boolean_var_ = 0; \
81  _dbus_boolean_var_; \
82 })
83 #define _DBUS_LIKELY(expr) (__builtin_expect (_DBUS_BOOLEAN_EXPR(expr), 1))
84 #define _DBUS_UNLIKELY(expr) (__builtin_expect (_DBUS_BOOLEAN_EXPR(expr), 0))
85 #else
86 #define _DBUS_LIKELY(expr) (expr)
87 #define _DBUS_UNLIKELY(expr) (expr)
88 #endif
89 
90 #ifdef DBUS_ENABLE_VERBOSE_MODE
91 
92 /*
93  at least gnu cc and msvc compiler are known to
94  have support for variable macro argument lists
95  add other compilers is required
96 */
97 #if defined(__GNUC__) || defined(_MSC_VER)
98 #define DBUS_CPP_SUPPORTS_VARIABLE_MACRO_ARGUMENTS
99 #endif
100 
101 #ifdef DBUS_CPP_SUPPORTS_VARIABLE_MACRO_ARGUMENTS
102 DBUS_PRIVATE_EXPORT
103 void _dbus_verbose_real (const char *file, const int line, const char *function,
104  const char *format,...) _DBUS_GNUC_PRINTF (4, 5);
105 # define _dbus_verbose(fmt,...) _dbus_verbose_real( __FILE__,__LINE__,__FUNCTION__,fmt, ## __VA_ARGS__)
106 #else
107 DBUS_PRIVATE_EXPORT
108 void _dbus_verbose_real (const char *format,
109  ...) _DBUS_GNUC_PRINTF (1, 2);
110 # define _dbus_verbose _dbus_verbose_real
111 #endif
112 DBUS_PRIVATE_EXPORT
113 void _dbus_verbose_reset_real (void);
114 DBUS_PRIVATE_EXPORT
115 dbus_bool_t _dbus_is_verbose_real (void);
116 DBUS_PRIVATE_EXPORT
117 dbus_bool_t _dbus_get_verbose (void);
118 DBUS_PRIVATE_EXPORT
119 void _dbus_set_verbose (dbus_bool_t state);
120 void _dbus_verbose_raw (const char *s);
121 
122 # define _dbus_verbose_reset _dbus_verbose_reset_real
123 # define _dbus_is_verbose _dbus_is_verbose_real
124 #else
125 # define _dbus_verbose(...) do { } while (0)
126 # define _dbus_verbose_reset() do { } while (0)
127 # define _dbus_is_verbose() FALSE
128 #endif /* !DBUS_ENABLE_VERBOSE_MODE */
129 
130 DBUS_PRIVATE_EXPORT
131 void _dbus_trace_ref (const char *obj_name,
132  void *obj,
133  int old_refcount,
134  int new_refcount,
135  const char *why,
136  const char *env_var,
137  int *enabled);
138 
139 DBUS_PRIVATE_EXPORT
140 const char* _dbus_strerror (int error_number);
141 
142 #ifdef DBUS_DISABLE_ASSERT
143 #define _dbus_assert(condition) do { } while (0)
144 #else
145 DBUS_PRIVATE_EXPORT
146 void _dbus_real_assert (dbus_bool_t condition,
147  const char *condition_text,
148  const char *file,
149  int line,
150  const char *func);
151 #define _dbus_assert(condition) \
152  _dbus_real_assert ((condition) != 0, #condition, __FILE__, __LINE__, _DBUS_FUNCTION_NAME)
153 #endif /* !DBUS_DISABLE_ASSERT */
154 
155 #ifdef DBUS_DISABLE_ASSERT
156 #define _dbus_assert_not_reached(explanation) do { } while (0)
157 #else
158 DBUS_PRIVATE_EXPORT
159 void _dbus_real_assert_not_reached (const char *explanation,
160  const char *file,
161  int line) _DBUS_GNUC_NORETURN;
162 #define _dbus_assert_not_reached(explanation) \
163  _dbus_real_assert_not_reached (explanation, __FILE__, __LINE__)
164 #endif /* !DBUS_DISABLE_ASSERT */
165 
166 #ifdef DBUS_DISABLE_CHECKS
167 #define _dbus_return_if_fail(condition)
168 #define _dbus_return_val_if_fail(condition, val)
169 #else
170 
171 #define _dbus_return_if_fail(condition) do { \
172  _dbus_assert ((*(const char*)_DBUS_FUNCTION_NAME) != '_'); \
173  if (!(condition)) { \
174  _dbus_warn_return_if_fail (_DBUS_FUNCTION_NAME, #condition, __FILE__, __LINE__); \
175  return; \
176  } } while (0)
177 
178 #define _dbus_return_val_if_fail(condition, val) do { \
179  _dbus_assert ((*(const char*)_DBUS_FUNCTION_NAME) != '_'); \
180  if (!(condition)) { \
181  _dbus_warn_return_if_fail (_DBUS_FUNCTION_NAME, #condition, __FILE__, __LINE__); \
182  return (val); \
183  } } while (0)
184 
185 #endif /* !DBUS_DISABLE_ASSERT */
186 
187 #define _DBUS_N_ELEMENTS(array) ((int) (sizeof ((array)) / sizeof ((array)[0])))
188 
189 #define _DBUS_POINTER_TO_INT(pointer) ((intptr_t)(pointer))
190 #define _DBUS_INT_TO_POINTER(integer) ((void*)((intptr_t)(integer)))
191 
192 #define _DBUS_ZERO(object) (memset (&(object), '\0', sizeof ((object))))
193 
194 #ifdef offsetof
195 #define _DBUS_STRUCT_OFFSET(struct_type, member) \
196  (offsetof (struct_type, member))
197 #else
198 #define _DBUS_STRUCT_OFFSET(struct_type, member) \
199  ((intptr_t) ((unsigned char*) &((struct_type*) 0)->member))
200 #endif
201 
202 #define _DBUS_ALIGNOF(type) \
203  (_DBUS_STRUCT_OFFSET (struct { char _1; type _2; }, _2))
204 
205 #if defined(DBUS_DISABLE_CHECKS) || defined(DBUS_DISABLE_ASSERT)
206 /* this is an assert and not an error, but in the typical --disable-checks case (you're trying
207  * to really minimize code size), disabling these assertions makes sense.
208  */
209 #define _DBUS_ASSERT_ERROR_IS_SET(error) do { } while (0)
210 #define _DBUS_ASSERT_ERROR_IS_CLEAR(error) do { } while (0)
211 #define _DBUS_ASSERT_ERROR_XOR_BOOL(error, retval) do { } while (0)
212 #else
213 static inline void
214 _dbus_assert_error_is_set (const DBusError *error,
215  const char *file,
216  int line,
217  const char *func)
218 {
219  _dbus_real_assert (error == NULL || dbus_error_is_set (error),
220  "error is set", file, line, func);
221 }
222 
223 static inline void
224 _dbus_assert_error_is_clear (const DBusError *error,
225  const char *file,
226  int line,
227  const char *func)
228 {
229  _dbus_real_assert (error == NULL || !dbus_error_is_set (error),
230  "error is clear", file, line, func);
231 }
232 
233 static inline void
234 _dbus_assert_error_xor_bool (const DBusError *error,
235  dbus_bool_t retval,
236  const char *file,
237  int line,
238  const char *func)
239 {
240  _dbus_real_assert (error == NULL || dbus_error_is_set (error) == !retval,
241  "error is consistent with boolean result", file, line, func);
242 }
243 
248 #define _DBUS_ASSERT_ERROR_IS_SET(error) _dbus_assert_error_is_set (error, __FILE__, __LINE__, _DBUS_FUNCTION_NAME)
249 
254 #define _DBUS_ASSERT_ERROR_IS_CLEAR(error) _dbus_assert_error_is_clear (error, __FILE__, __LINE__, _DBUS_FUNCTION_NAME)
255 
262 #define _DBUS_ASSERT_ERROR_XOR_BOOL(error, retval) _dbus_assert_error_xor_bool (error, retval, __FILE__, __LINE__, _DBUS_FUNCTION_NAME)
263 #endif
264 
265 #define _dbus_return_if_error_is_set(error) _dbus_return_if_fail ((error) == NULL || !dbus_error_is_set ((error)))
266 #define _dbus_return_val_if_error_is_set(error, val) _dbus_return_val_if_fail ((error) == NULL || !dbus_error_is_set ((error)), (val))
267 
268 /* This alignment thing is from ORBit2 */
269 /* Align a value upward to a boundary, expressed as a number of bytes.
270  * E.g. align to an 8-byte boundary with argument of 8.
271  */
272 
273 /*
274  * (this + boundary - 1)
275  * &
276  * ~(boundary - 1)
277  */
278 
279 #define _DBUS_ALIGN_VALUE(this, boundary) \
280  (( ((uintptr_t)(this)) + (((uintptr_t)(boundary)) -1)) & (~(((uintptr_t)(boundary))-1)))
281 
282 #define _DBUS_ALIGN_ADDRESS(this, boundary) \
283  ((void*)_DBUS_ALIGN_VALUE(this, boundary))
284 
285 
286 DBUS_PRIVATE_EXPORT
287 char* _dbus_strdup (const char *str);
288 void* _dbus_memdup (const void *mem,
289  size_t n_bytes);
290 DBUS_PRIVATE_EXPORT
291 dbus_bool_t _dbus_string_array_contains (const char **array,
292  const char *str);
293 DBUS_PRIVATE_EXPORT
294 size_t _dbus_string_array_length (const char **array);
295 char** _dbus_dup_string_array (const char **array);
296 
297 #define _DBUS_INT16_MIN ((dbus_int16_t) 0x8000)
298 #define _DBUS_INT16_MAX ((dbus_int16_t) 0x7fff)
299 #define _DBUS_UINT16_MAX ((dbus_uint16_t)0xffff)
300 #define _DBUS_INT32_MIN ((dbus_int32_t) 0x80000000)
301 #define _DBUS_INT32_MAX ((dbus_int32_t) 0x7fffffff)
302 #define _DBUS_UINT32_MAX ((dbus_uint32_t)0xffffffff)
303 /* using 32-bit here is sort of bogus */
304 #define _DBUS_INT_MIN _DBUS_INT32_MIN
305 #define _DBUS_INT_MAX _DBUS_INT32_MAX
306 #define _DBUS_UINT_MAX _DBUS_UINT32_MAX
307 #define _DBUS_INT64_MAX DBUS_INT64_CONSTANT (0x7fffffffffffffff)
308 #define _DBUS_UINT64_MAX DBUS_UINT64_CONSTANT (0xffffffffffffffff)
309 #define _DBUS_ONE_KILOBYTE 1024
310 #define _DBUS_ONE_MEGABYTE 1024 * _DBUS_ONE_KILOBYTE
311 #define _DBUS_ONE_HOUR_IN_MILLISECONDS (1000 * 60 * 60)
312 #define _DBUS_USEC_PER_SECOND (1000000)
313 
314 #undef MAX
315 #define MAX(a, b) (((a) > (b)) ? (a) : (b))
316 
317 #undef MIN
318 #define MIN(a, b) (((a) < (b)) ? (a) : (b))
319 
320 #undef ABS
321 #define ABS(a) (((a) < 0) ? -(a) : (a))
322 
323 #define _DBUS_ISASCII(c) ((c) != '\0' && (((c) & ~0x7f) == 0))
324 
325 typedef void (* DBusForeachFunction) (void *element,
326  void *data);
327 
328 void _dbus_verbose_bytes (const unsigned char *data,
329  int len,
330  int offset);
331 DBUS_PRIVATE_EXPORT
333  int start,
334  int len);
335 
336 DBUS_PRIVATE_EXPORT
337 extern const char *_dbus_no_memory_message;
338 #define _DBUS_SET_OOM(error) dbus_set_error_const ((error), DBUS_ERROR_NO_MEMORY, _dbus_no_memory_message)
339 DBUS_PRIVATE_EXPORT
340 void _dbus_set_error_valist (DBusError *error,
341  const char *name,
342  const char *format,
343  va_list args) _DBUS_GNUC_PRINTF (3, 0);
344 
345 typedef dbus_bool_t (* DBusTestMemoryFunction) (void *data,
346  dbus_bool_t have_memory);
347 
348 #ifdef DBUS_ENABLE_EMBEDDED_TESTS
349 /* Memory debugging */
350 void _dbus_set_fail_alloc_counter (int until_next_fail);
351 int _dbus_get_fail_alloc_counter (void);
352 void _dbus_set_fail_alloc_failures (int failures_per_failure);
353 int _dbus_get_fail_alloc_failures (void);
354 dbus_bool_t _dbus_decrement_fail_alloc_counter (void);
355 dbus_bool_t _dbus_disable_mem_pools (void);
356 DBUS_PRIVATE_EXPORT
357 int _dbus_get_malloc_blocks_outstanding (void);
358 
359 DBUS_PRIVATE_EXPORT
360 dbus_bool_t _dbus_test_oom_handling (const char *description,
361  DBusTestMemoryFunction func,
362  void *data);
363 #else
364 #define _dbus_set_fail_alloc_counter(n)
365 #define _dbus_get_fail_alloc_counter _DBUS_INT_MAX
366 
367 /* These are constant expressions so that blocks
368  * they protect should be optimized away
369  */
370 #define _dbus_decrement_fail_alloc_counter() (FALSE)
371 #define _dbus_disable_mem_pools() (FALSE)
372 #define _dbus_get_malloc_blocks_outstanding() (0)
373 
374 #define _dbus_test_oom_handling(description, func, data) ((*func) (data, TRUE))
375 #endif /* !DBUS_ENABLE_EMBEDDED_TESTS */
376 
377 typedef void (* DBusShutdownFunction) (void *data);
378 DBUS_PRIVATE_EXPORT
379 dbus_bool_t _dbus_register_shutdown_func (DBusShutdownFunction function,
380  void *data);
381 dbus_bool_t _dbus_register_shutdown_func_unlocked (DBusShutdownFunction function,
382  void *data);
383 
384 extern int _dbus_current_generation;
385 
386 /* The weird case convention is to avoid having to change all the callers,
387  * which would be quite a mega-patch. */
388 typedef enum
389 {
390  /* index 0-4 */
391  _DBUS_LOCK_list,
392  _DBUS_LOCK_connection_slots,
393  _DBUS_LOCK_pending_call_slots,
394  _DBUS_LOCK_server_slots,
395  _DBUS_LOCK_message_slots,
396  /* index 5-9 */
397  _DBUS_LOCK_bus,
398  _DBUS_LOCK_bus_datas,
399  _DBUS_LOCK_shutdown_funcs,
400  _DBUS_LOCK_system_users,
401  _DBUS_LOCK_message_cache,
402  /* index 10-12 */
403  _DBUS_LOCK_shared_connections,
404  _DBUS_LOCK_machine_uuid,
405  _DBUS_LOCK_sysdeps,
406 
407  _DBUS_N_GLOBAL_LOCKS
408 } DBusGlobalLock;
409 
410 _DBUS_WARN_UNUSED_RESULT
411 dbus_bool_t _dbus_lock (DBusGlobalLock lock);
412 void _dbus_unlock (DBusGlobalLock lock);
413 
414 #define _DBUS_LOCK_NAME(name) _DBUS_LOCK_##name
415 #define _DBUS_LOCK(name) _dbus_lock (_DBUS_LOCK_##name)
416 #define _DBUS_UNLOCK(name) _dbus_unlock (_DBUS_LOCK_##name)
417 
418 DBUS_PRIVATE_EXPORT
420  const DBusString *unescaped);
421 
422 void _dbus_set_bad_address (DBusError *error,
423  const char *address_problem_type,
424  const char *address_problem_field,
425  const char *address_problem_other);
426 
427 #define DBUS_UUID_LENGTH_BYTES 16
428 #define DBUS_UUID_LENGTH_WORDS (DBUS_UUID_LENGTH_BYTES / 4)
429 #define DBUS_UUID_LENGTH_HEX (DBUS_UUID_LENGTH_BYTES * 2)
430 
435 union DBusGUID
436 {
437  dbus_uint32_t as_uint32s[DBUS_UUID_LENGTH_WORDS];
438  char as_bytes[DBUS_UUID_LENGTH_BYTES];
439 };
440 
441 DBUS_PRIVATE_EXPORT _DBUS_WARN_UNUSED_RESULT
443  DBusError *error);
444 DBUS_PRIVATE_EXPORT
446  DBusString *encoded);
448  DBusGUID *uuid,
449  dbus_bool_t create_if_not_found,
450  DBusError *error);
451 
453  const DBusGUID *uuid,
454  DBusError *error);
455 
456 DBUS_PRIVATE_EXPORT
458  DBusError *error);
459 
460 #define _DBUS_PASTE2(a, b) a ## b
461 #define _DBUS_PASTE(a, b) _DBUS_PASTE2 (a, b)
462 #define _DBUS_STATIC_ASSERT(expr) \
463  typedef struct { char _assertion[(expr) ? 1 : -1]; } \
464  _DBUS_PASTE (_DBUS_STATIC_ASSERT_, __LINE__) _DBUS_GNUC_UNUSED
465 
466 #define _DBUS_STRINGIFY(x) #x
467 #define _DBUS_FILE_LINE __FILE__ ":" _DBUS_STRINGIFY(__LINE__)
468 
469 #ifndef __has_feature
470 # define __has_feature(x) 0
471 #endif
472 
473 /* MSVC defines __SANITIZE_ADDRESS__, but does not provide the special
474  * builtins associated with it. */
475 #if ((defined(__SANITIZE_ADDRESS__) || __has_feature(address_sanitizer)) && \
476  !defined(_MSC_VER))
477 # include <sanitizer/lsan_interface.h>
478 /* Defined if we are building with AddressSanitizer */
479 # define _DBUS_ADDRESS_SANITIZER
480 /* Ignore memory allocations until the next _DBUS_END_IGNORE_LEAKS when
481  * checking for memory leaks */
482 # define _DBUS_BEGIN_IGNORE_LEAKS __lsan_disable ()
483 /* End the scope of a previous _DBUS_BEGIN_IGNORE_LEAKS */
484 # define _DBUS_END_IGNORE_LEAKS __lsan_enable ()
485 #else
486 # undef _DBUS_ADDRESS_SANITIZER
487 # define _DBUS_BEGIN_IGNORE_LEAKS do { } while (0)
488 # define _DBUS_END_IGNORE_LEAKS do { } while (0)
489 #endif
490 
494 #ifdef DBUS_WIN
495 #define DBUS_IS_DIR_SEPARATOR(c) (c == '\\' || c == '/')
496 #define DBUS_DIR_SEPARATOR '\\'
497 #define DBUS_DIR_SEPARATOR_S "\\"
498 #else
499 #define DBUS_IS_DIR_SEPARATOR(c) (c == '/')
500 #define DBUS_DIR_SEPARATOR '/'
501 #define DBUS_DIR_SEPARATOR_S "/"
502 #endif
503 
505 
506 #endif /* DBUS_INTERNALS_H */
DBUS_PRIVATE_EXPORT 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:107
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:68
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_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's a function rather than a macro with the inline code so ...
DBUS_PRIVATE_EXPORT _DBUS_WARN_UNUSED_RESULT dbus_bool_t _dbus_generate_uuid(DBusGUID *uuid, DBusError *error)
Generates a new UUID.
char ** _dbus_dup_string_array(const char **array)
Duplicates a string array.
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...
void(* DBusForeachFunction)(void *element, void *data)
Used to iterate over each item in a collection, such as a DBusList.
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.
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.
DBUS_PRIVATE_EXPORT 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.
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's a function rather than a macro with the inline code so that the ass...
DBUS_PRIVATE_EXPORT char * _dbus_strdup(const char *str)
Duplicates a string.
dbus_bool_t _dbus_write_uuid_file(const DBusString *filename, const DBusGUID *uuid, DBusError *error)
Write the give UUID to a file.
void * _dbus_memdup(const void *mem, size_t n_bytes)
Duplicates a block of memory.
DBUS_PRIVATE_EXPORT void _dbus_warn(const char *format,...)
Prints a warning message to stderr.
DBUS_PRIVATE_EXPORT size_t _dbus_string_array_length(const char **array)
Returns the size of a string array.
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...
DBUS_PRIVATE_EXPORT dbus_bool_t _dbus_uuid_encode(const DBusGUID *uuid, DBusString *encoded)
Hex-encode a UUID.
#define NULL
A null pointer, defined appropriately for C or C++.
#define DBUS_BEGIN_DECLS
Macro used prior to declaring functions in the D-Bus header files.
#define DBUS_END_DECLS
Macro used after declaring functions in the D-Bus header files.
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.
void _dbus_verbose_bytes(const unsigned char *data, int len, int offset)
If in verbose mode, print a block of binary data.
int _dbus_current_generation
_dbus_current_generation is used to track each time that dbus_shutdown() is called,...
Definition: dbus-memory.c:772
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:801
dbus_uint32_t dbus_bool_t
A boolean, valid values are TRUE and FALSE.
Definition: dbus-types.h:35
unsigned int dbus_uint32_t
A 32-bit unsigned integer on all platforms.
Object representing an exception.
Definition: dbus-errors.h:49
A globally unique ID ; we have one for each DBusServer, and also one for each machine with libdbus in...
dbus_uint32_t as_uint32s[DBUS_UUID_LENGTH_WORDS]
guid as four uint32 values
char as_bytes[DBUS_UUID_LENGTH_BYTES]
guid as 16 single-byte values