D-Bus  1.16.2
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  * SPDX-License-Identifier: AFL-2.1 OR GPL-2.0-or-later
7  *
8  * Licensed under the Academic Free License version 2.1
9  *
10  * This program is free software; you can redistribute it and/or modify
11  * it under the terms of the GNU General Public License as published by
12  * the Free Software Foundation; either version 2 of the License, or
13  * (at your option) any later version.
14  *
15  * This program is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18  * GNU General Public License for more details.
19  *
20  * You should have received a copy of the GNU General Public License
21  * along with this program; if not, write to the Free Software
22  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
23  *
24  */
25 #ifdef DBUS_INSIDE_DBUS_H
26 #error "You can't include dbus-internals.h in the public header dbus.h"
27 #endif
28 
29 #ifndef DBUS_INTERNALS_H
30 #define DBUS_INTERNALS_H
31 
32 #include <dbus/dbus-memory.h>
33 #include <dbus/dbus-types.h>
34 #include <dbus/dbus-errors.h>
35 #include <dbus/dbus-sysdeps.h>
36 #include <dbus/dbus-macros-internal.h>
37 #include <dbus/dbus-threads-internal.h>
38 
40 
41 DBUS_PRIVATE_EXPORT
42 void _dbus_warn (const char *format,
43  ...) _DBUS_GNUC_PRINTF (1, 2);
44 
45 DBUS_PRIVATE_EXPORT
46 void _dbus_warn_check_failed (const char *format,
47  ...) _DBUS_GNUC_PRINTF (1, 2);
48 DBUS_PRIVATE_EXPORT
49 void _dbus_warn_return_if_fail (const char *function,
50  const char *assertion,
51  const char *file,
52  int line);
53 
54 DBUS_EMBEDDED_TESTS_EXPORT
55 int _dbus_get_check_failed_count (void);
56 
57 #if defined (__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)
58 #define _DBUS_FUNCTION_NAME __func__
59 #elif defined(__GNUC__) || defined(_MSC_VER)
60 #define _DBUS_FUNCTION_NAME __FUNCTION__
61 #else
62 #define _DBUS_FUNCTION_NAME "unknown function"
63 #endif
64 
65 /*
66  * (code from GLib)
67  *
68  * The _DBUS_LIKELY and _DBUS_UNLIKELY macros let the programmer give hints to
69  * the compiler about the expected result of an expression. Some compilers
70  * can use this information for optimizations.
71  *
72  * The _DBUS_BOOLEAN_EXPR macro is intended to trigger a gcc warning when
73  * putting assignments in the macro arg
74  */
75 #if defined(__GNUC__) && (__GNUC__ > 2) && defined(__OPTIMIZE__)
76 #define _DBUS_BOOLEAN_EXPR(expr) \
77  __extension__ ({ \
78  int _dbus_boolean_var_; \
79  if (expr) \
80  _dbus_boolean_var_ = 1; \
81  else \
82  _dbus_boolean_var_ = 0; \
83  _dbus_boolean_var_; \
84 })
85 #define _DBUS_LIKELY(expr) (__builtin_expect (_DBUS_BOOLEAN_EXPR(expr), 1))
86 #define _DBUS_UNLIKELY(expr) (__builtin_expect (_DBUS_BOOLEAN_EXPR(expr), 0))
87 #else
88 #define _DBUS_LIKELY(expr) (expr)
89 #define _DBUS_UNLIKELY(expr) (expr)
90 #endif
91 
92 #ifdef DBUS_ENABLE_VERBOSE_MODE
93 
94 /*
95  at least gnu cc and msvc compiler are known to
96  have support for variable macro argument lists
97  add other compilers is required
98 */
99 #if defined(__GNUC__) || defined(_MSC_VER)
100 #define DBUS_CPP_SUPPORTS_VARIABLE_MACRO_ARGUMENTS
101 #endif
102 
103 #ifdef DBUS_CPP_SUPPORTS_VARIABLE_MACRO_ARGUMENTS
104 DBUS_PRIVATE_EXPORT
105 void _dbus_verbose_real (const char *file, const int line, const char *function,
106  const char *format,...) _DBUS_GNUC_PRINTF (4, 5);
107 # define _dbus_verbose(fmt,...) _dbus_verbose_real( __FILE__,__LINE__,_DBUS_FUNCTION_NAME,fmt, ## __VA_ARGS__)
108 #else
109 DBUS_PRIVATE_EXPORT
110 void _dbus_verbose_real (const char *format,
111  ...) _DBUS_GNUC_PRINTF (1, 2);
112 # define _dbus_verbose _dbus_verbose_real
113 #endif
114 DBUS_PRIVATE_EXPORT
115 void _dbus_verbose_reset_real (void);
116 DBUS_PRIVATE_EXPORT
117 dbus_bool_t _dbus_is_verbose_real (void);
118 DBUS_PRIVATE_EXPORT
119 dbus_bool_t _dbus_get_verbose (void);
120 DBUS_PRIVATE_EXPORT
121 void _dbus_set_verbose (dbus_bool_t state);
122 void _dbus_verbose_raw (const char *s);
123 
124 # define _dbus_verbose_reset _dbus_verbose_reset_real
125 # define _dbus_is_verbose _dbus_is_verbose_real
126 #else
127 # define _dbus_verbose(...) do { } while (0)
128 # define _dbus_verbose_reset() do { } while (0)
129 # define _dbus_is_verbose() FALSE
130 #endif /* !DBUS_ENABLE_VERBOSE_MODE */
131 
132 DBUS_PRIVATE_EXPORT
133 void _dbus_trace_ref (const char *obj_name,
134  void *obj,
135  int old_refcount,
136  int new_refcount,
137  const char *why,
138  const char *env_var,
139  int *enabled);
140 
141 DBUS_PRIVATE_EXPORT
142 const char* _dbus_strerror (int error_number);
143 
144 #ifdef DBUS_DISABLE_ASSERT
145 #define _dbus_assert(condition) do { } while (0)
146 #else
147 DBUS_PRIVATE_EXPORT
148 void _dbus_real_assert (dbus_bool_t condition,
149  const char *condition_text,
150  const char *file,
151  int line,
152  const char *func);
153 #define _dbus_assert(condition) \
154  _dbus_real_assert ((condition) != 0, #condition, __FILE__, __LINE__, _DBUS_FUNCTION_NAME)
155 #endif /* !DBUS_DISABLE_ASSERT */
156 
157 #ifdef DBUS_DISABLE_ASSERT
158 #define _dbus_assert_not_reached(explanation) do { } while (0)
159 #else
160 DBUS_PRIVATE_EXPORT
161 void _dbus_real_assert_not_reached (const char *explanation,
162  const char *file,
163  int line) _DBUS_GNUC_NORETURN;
164 #define _dbus_assert_not_reached(explanation) \
165  _dbus_real_assert_not_reached (explanation, __FILE__, __LINE__)
166 #endif /* !DBUS_DISABLE_ASSERT */
167 
168 #ifdef DBUS_DISABLE_CHECKS
169 #define _dbus_return_if_fail(condition)
170 #define _dbus_return_val_if_fail(condition, val)
171 #else
172 
173 #define _dbus_return_if_fail(condition) do { \
174  _dbus_assert ((*(const char*)_DBUS_FUNCTION_NAME) != '_'); \
175  if (!(condition)) { \
176  _dbus_warn_return_if_fail (_DBUS_FUNCTION_NAME, #condition, __FILE__, __LINE__); \
177  return; \
178  } } while (0)
179 
180 #define _dbus_return_val_if_fail(condition, val) do { \
181  _dbus_assert ((*(const char*)_DBUS_FUNCTION_NAME) != '_'); \
182  if (!(condition)) { \
183  _dbus_warn_return_if_fail (_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 #ifdef offsetof
197 #define _DBUS_STRUCT_OFFSET(struct_type, member) \
198  (offsetof (struct_type, member))
199 #else
200 #define _DBUS_STRUCT_OFFSET(struct_type, member) \
201  ((intptr_t) ((unsigned char*) &((struct_type*) 0)->member))
202 #endif
203 
204 #if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L && !defined(__cplusplus)
205 #define _DBUS_ALIGNOF(type) _Alignof(type)
206 #else
207 #define _DBUS_ALIGNOF(type) \
208  (_DBUS_STRUCT_OFFSET (struct { char _1; type _2; }, _2))
209 #endif
210 
211 #if defined(DBUS_DISABLE_CHECKS) || defined(DBUS_DISABLE_ASSERT)
212 /* this is an assert and not an error, but in the typical --disable-checks case (you're trying
213  * to really minimize code size), disabling these assertions makes sense.
214  */
215 #define _DBUS_ASSERT_ERROR_IS_SET(error) do { } while (0)
216 #define _DBUS_ASSERT_ERROR_IS_CLEAR(error) do { } while (0)
217 #define _DBUS_ASSERT_ERROR_XOR_BOOL(error, retval) do { } while (0)
218 #else
219 static inline void
220 _dbus_assert_error_is_set (const DBusError *error,
221  const char *file,
222  int line,
223  const char *func)
224 {
225  _dbus_real_assert (error == NULL || dbus_error_is_set (error),
226  "error is set", file, line, func);
227 }
228 
229 static inline void
230 _dbus_assert_error_is_clear (const DBusError *error,
231  const char *file,
232  int line,
233  const char *func)
234 {
235  _dbus_real_assert (error == NULL || !dbus_error_is_set (error),
236  "error is clear", file, line, func);
237 }
238 
239 static inline void
240 _dbus_assert_error_xor_bool (const DBusError *error,
241  dbus_bool_t retval,
242  const char *file,
243  int line,
244  const char *func)
245 {
246  _dbus_real_assert (error == NULL || dbus_error_is_set (error) == !retval,
247  "error is consistent with boolean result", file, line, func);
248 }
249 
254 #define _DBUS_ASSERT_ERROR_IS_SET(error) _dbus_assert_error_is_set (error, __FILE__, __LINE__, _DBUS_FUNCTION_NAME)
255 
260 #define _DBUS_ASSERT_ERROR_IS_CLEAR(error) _dbus_assert_error_is_clear (error, __FILE__, __LINE__, _DBUS_FUNCTION_NAME)
261 
268 #define _DBUS_ASSERT_ERROR_XOR_BOOL(error, retval) _dbus_assert_error_xor_bool (error, retval, __FILE__, __LINE__, _DBUS_FUNCTION_NAME)
269 #endif
270 
271 #define _dbus_return_if_error_is_set(error) _dbus_return_if_fail ((error) == NULL || !dbus_error_is_set ((error)))
272 #define _dbus_return_val_if_error_is_set(error, val) _dbus_return_val_if_fail ((error) == NULL || !dbus_error_is_set ((error)), (val))
273 
274 /* This alignment thing is from ORBit2 */
275 /* Align a value upward to a boundary, expressed as a number of bytes.
276  * E.g. align to an 8-byte boundary with argument of 8.
277  */
278 
279 /*
280  * (this + boundary - 1)
281  * &
282  * ~(boundary - 1)
283  */
284 
285 #define _DBUS_ALIGN_VALUE(this, boundary) \
286  ((((uintptr_t) (this)) + (((size_t) (boundary)) - 1)) & \
287  (~(((size_t) (boundary)) - 1)))
288 
289 #define _DBUS_ALIGN_ADDRESS(this, boundary) \
290  ((void*)_DBUS_ALIGN_VALUE(this, boundary))
291 
292 #define _DBUS_IS_ALIGNED(this, boundary) \
293  ((((size_t) (uintptr_t) (this)) & ((size_t) (boundary) - 1)) == 0)
294 
302 #if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 201112L)
303 typedef max_align_t dbus_max_align_t;
304 #else
305 typedef DBusBasicValue dbus_max_align_t;
306 #endif
307 
308 DBUS_PRIVATE_EXPORT
309 char* _dbus_strdup (const char *str);
310 void* _dbus_memdup (const void *mem,
311  size_t n_bytes);
312 DBUS_PRIVATE_EXPORT
313 dbus_bool_t _dbus_string_array_contains (const char **array,
314  const char *str);
315 DBUS_PRIVATE_EXPORT
316 size_t _dbus_string_array_length (const char **array);
317 char** _dbus_dup_string_array (const char **array);
318 
319 #define _DBUS_INT16_MIN ((dbus_int16_t) 0x8000)
320 #define _DBUS_INT16_MAX ((dbus_int16_t) 0x7fff)
321 #define _DBUS_UINT16_MAX ((dbus_uint16_t)0xffff)
322 #define _DBUS_INT32_MIN ((dbus_int32_t) 0x80000000)
323 #define _DBUS_INT32_MAX ((dbus_int32_t) 0x7fffffff)
324 #define _DBUS_UINT32_MAX ((dbus_uint32_t)0xffffffff)
325 /* using 32-bit here is sort of bogus */
326 #define _DBUS_INT_MIN _DBUS_INT32_MIN
327 #define _DBUS_INT_MAX _DBUS_INT32_MAX
328 #define _DBUS_UINT_MAX _DBUS_UINT32_MAX
329 #define _DBUS_INT64_MAX DBUS_INT64_CONSTANT (0x7fffffffffffffff)
330 #define _DBUS_UINT64_MAX DBUS_UINT64_CONSTANT (0xffffffffffffffff)
331 #define _DBUS_ONE_KILOBYTE 1024
332 #define _DBUS_ONE_MEGABYTE 1024 * _DBUS_ONE_KILOBYTE
333 #define _DBUS_ONE_HOUR_IN_MILLISECONDS (1000 * 60 * 60)
334 #define _DBUS_USEC_PER_SECOND (1000000)
335 
336 #undef MAX
337 #define MAX(a, b) (((a) > (b)) ? (a) : (b))
338 
339 #undef MIN
340 #define MIN(a, b) (((a) < (b)) ? (a) : (b))
341 
342 #undef ABS
343 #define ABS(a) (((a) < 0) ? -(a) : (a))
344 
345 #define _DBUS_ISASCII(c) ((c) != '\0' && (((c) & ~0x7f) == 0))
346 
347 typedef void (* DBusForeachFunction) (void *element,
348  void *data);
349 
350 void _dbus_verbose_bytes (const unsigned char *data,
351  int len,
352  int offset);
353 DBUS_PRIVATE_EXPORT
355  int start,
356  int len);
357 
358 DBUS_PRIVATE_EXPORT
359 extern const char *_dbus_no_memory_message;
360 #define _DBUS_SET_OOM(error) dbus_set_error_const ((error), DBUS_ERROR_NO_MEMORY, _dbus_no_memory_message)
361 DBUS_PRIVATE_EXPORT
362 void _dbus_set_error_valist (DBusError *error,
363  const char *name,
364  const char *format,
365  va_list args) _DBUS_GNUC_PRINTF (3, 0);
366 
367 typedef dbus_bool_t (* DBusTestMemoryFunction) (void *data,
368  dbus_bool_t have_memory);
369 
370 #ifdef DBUS_ENABLE_EMBEDDED_TESTS
371 /* Memory debugging */
372 void _dbus_set_fail_alloc_counter (int until_next_fail);
373 int _dbus_get_fail_alloc_counter (void);
374 void _dbus_set_fail_alloc_failures (int failures_per_failure);
375 int _dbus_get_fail_alloc_failures (void);
376 dbus_bool_t _dbus_decrement_fail_alloc_counter (void);
377 dbus_bool_t _dbus_disable_mem_pools (void);
378 DBUS_PRIVATE_EXPORT
379 int _dbus_get_malloc_blocks_outstanding (void);
380 
381 DBUS_PRIVATE_EXPORT
382 dbus_bool_t _dbus_test_oom_handling (const char *description,
383  DBusTestMemoryFunction func,
384  void *data);
385 #else
386 #define _dbus_set_fail_alloc_counter(n)
387 #define _dbus_get_fail_alloc_counter (-1)
388 
389 /* These are constant expressions so that blocks
390  * they protect should be optimized away
391  */
392 #define _dbus_decrement_fail_alloc_counter() (FALSE)
393 #define _dbus_disable_mem_pools() (FALSE)
394 #define _dbus_get_malloc_blocks_outstanding() (0)
395 
396 #define _dbus_test_oom_handling(description, func, data) ((*func) (data, TRUE))
397 #endif /* !DBUS_ENABLE_EMBEDDED_TESTS */
398 
399 typedef void (* DBusShutdownFunction) (void *data);
400 DBUS_PRIVATE_EXPORT
401 dbus_bool_t _dbus_register_shutdown_func (DBusShutdownFunction function,
402  void *data);
403 dbus_bool_t _dbus_register_shutdown_func_unlocked (DBusShutdownFunction function,
404  void *data);
405 
406 extern int _dbus_current_generation;
407 
408 /* The weird case convention is to avoid having to change all the callers,
409  * which would be quite a mega-patch. */
410 typedef enum
411 {
412  /* index 0-4 */
413  _DBUS_LOCK_list,
414  _DBUS_LOCK_connection_slots,
415  _DBUS_LOCK_pending_call_slots,
416  _DBUS_LOCK_server_slots,
417  _DBUS_LOCK_message_slots,
418  /* index 5-9 */
419  _DBUS_LOCK_bus,
420  _DBUS_LOCK_bus_datas,
421  _DBUS_LOCK_shutdown_funcs,
422  _DBUS_LOCK_system_users,
423  _DBUS_LOCK_message_cache,
424  /* index 10-12 */
425  _DBUS_LOCK_shared_connections,
426  _DBUS_LOCK_machine_uuid,
427  _DBUS_LOCK_sysdeps,
428 
429  _DBUS_N_GLOBAL_LOCKS
430 } DBusGlobalLock;
431 
432 _DBUS_WARN_UNUSED_RESULT
433 dbus_bool_t _dbus_lock (DBusGlobalLock lock);
434 void _dbus_unlock (DBusGlobalLock lock);
435 
436 #define _DBUS_LOCK_NAME(name) _DBUS_LOCK_##name
437 #define _DBUS_LOCK(name) _dbus_lock (_DBUS_LOCK_##name)
438 #define _DBUS_UNLOCK(name) _dbus_unlock (_DBUS_LOCK_##name)
439 
440 DBUS_PRIVATE_EXPORT
442  const DBusString *unescaped);
443 
444 void _dbus_set_bad_address (DBusError *error,
445  const char *address_problem_type,
446  const char *address_problem_field,
447  const char *address_problem_other);
448 
449 #define DBUS_UUID_LENGTH_BYTES 16
450 #define DBUS_UUID_LENGTH_WORDS (DBUS_UUID_LENGTH_BYTES / 4)
451 #define DBUS_UUID_LENGTH_HEX (DBUS_UUID_LENGTH_BYTES * 2)
452 
457 union DBusGUID
458 {
459  dbus_uint32_t as_uint32s[DBUS_UUID_LENGTH_WORDS];
460  char as_bytes[DBUS_UUID_LENGTH_BYTES];
461 };
462 
463 DBUS_PRIVATE_EXPORT _DBUS_WARN_UNUSED_RESULT
465  DBusError *error);
466 DBUS_PRIVATE_EXPORT
468  DBusString *encoded);
470  DBusGUID *uuid,
471  dbus_bool_t create_if_not_found,
472  DBusError *error);
473 
475  const DBusGUID *uuid,
476  DBusError *error);
477 
478 DBUS_PRIVATE_EXPORT
480  DBusError *error);
481 
482 #define _DBUS_PASTE2(a, b) a ## b
483 #define _DBUS_PASTE(a, b) _DBUS_PASTE2 (a, b)
484 #define _DBUS_STATIC_ASSERT(expr) \
485  typedef struct { char _assertion[(expr) ? 1 : -1]; } \
486  _DBUS_PASTE (_DBUS_STATIC_ASSERT_, __LINE__) _DBUS_GNUC_UNUSED
487 
488 #define _DBUS_STRINGIFY(x) #x
489 #define _DBUS_FILE_LINE __FILE__ ":" _DBUS_STRINGIFY(__LINE__)
490 
491 #ifndef __has_feature
492 # define __has_feature(x) 0
493 #endif
494 
495 /* MSVC defines __SANITIZE_ADDRESS__, but does not provide the special
496  * builtins associated with it. */
497 #if ((defined(__SANITIZE_ADDRESS__) || __has_feature(address_sanitizer)) && \
498  !defined(_MSC_VER))
499 # include <sanitizer/lsan_interface.h>
500 /* Defined if we are building with AddressSanitizer */
501 # define _DBUS_ADDRESS_SANITIZER
502 /* Ignore memory allocations until the next _DBUS_END_IGNORE_LEAKS when
503  * checking for memory leaks */
504 # define _DBUS_BEGIN_IGNORE_LEAKS __lsan_disable ()
505 /* End the scope of a previous _DBUS_BEGIN_IGNORE_LEAKS */
506 # define _DBUS_END_IGNORE_LEAKS __lsan_enable ()
507 #else
508 # undef _DBUS_ADDRESS_SANITIZER
509 # define _DBUS_BEGIN_IGNORE_LEAKS do { } while (0)
510 # define _DBUS_END_IGNORE_LEAKS do { } while (0)
511 #endif
512 
516 #ifdef DBUS_WIN
517 #define DBUS_IS_DIR_SEPARATOR(c) (c == '\\' || c == '/')
518 #define DBUS_DIR_SEPARATOR '\\'
519 #define DBUS_DIR_SEPARATOR_S "\\"
520 #else
521 #define DBUS_IS_DIR_SEPARATOR(c) (c == '/')
522 #define DBUS_DIR_SEPARATOR '/'
523 #define DBUS_DIR_SEPARATOR_S "/"
524 #endif
525 
527 
528 #endif /* DBUS_INTERNALS_H */
unsigned int dbus_uint32_t
A 32-bit unsigned integer on all platforms.
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.
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 _DBUS_WARN_UNUSED_RESULT dbus_bool_t _dbus_generate_uuid(DBusGUID *uuid, DBusError *error)
Generates a new UUID.
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_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
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...
A globally unique ID ; we have one for each DBusServer, and also one for each machine with libdbus in...
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_uint32_t dbus_bool_t
A boolean, valid values are TRUE and FALSE.
Definition: dbus-types.h:37
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 void _dbus_warn(const char *format,...)
Prints a warning message to stderr.
void * _dbus_memdup(const void *mem, size_t n_bytes)
Duplicates a block of memory.
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:70
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's been called.
Definition: dbus-memory.c:790
Object representing an exception.
Definition: dbus-errors.h:50
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:109
DBUS_PRIVATE_EXPORT size_t _dbus_string_array_length(const char **array)
Returns the size of a string array.
char ** _dbus_dup_string_array(const char **array)
Duplicates a string array.
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.
A simple value union that lets you access bytes as if they were various types; useful when dealing wi...
Definition: dbus-types.h:160
void(* DBusForeachFunction)(void *element, void *data)
Used to iterate over each item in a collection, such as a DBusList.
dbus_bool_t _dbus_write_uuid_file(const DBusString *filename, const DBusGUID *uuid, DBusError *error)
Write the give UUID to a file.
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:819
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.
DBUS_PRIVATE_EXPORT char * _dbus_strdup(const char *str)
Duplicates a string.
dbus_bool_t dbus_error_is_set(const DBusError *error)
Checks whether an error occurred (the error is set).
Definition: dbus-errors.c:331
#define DBUS_END_DECLS
Macro used after declaring functions in the D-Bus header files.
void _dbus_verbose_bytes(const unsigned char *data, int len, int offset)
If in verbose mode, print a block of binary data.