23 #ifdef DBUS_INSIDE_DBUS_H    24 #error "You can't include dbus-internals.h in the public header dbus.h"    27 #ifndef DBUS_INTERNALS_H    28 #define DBUS_INTERNALS_H    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>    40                                ...) _DBUS_GNUC_PRINTF (1, 2);
    44                                ...) _DBUS_GNUC_PRINTF (1, 2);
    46 void _dbus_warn_return_if_fail (const 
char *function,
    47                                 const 
char *assertion,
    51 #if defined (__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)    52 #define _DBUS_FUNCTION_NAME __func__    53 #elif defined(__GNUC__) || defined(_MSC_VER)    54 #define _DBUS_FUNCTION_NAME __FUNCTION__    56 #define _DBUS_FUNCTION_NAME "unknown function"    69 #if defined(__GNUC__) && (__GNUC__ > 2) && defined(__OPTIMIZE__)    70 #define _DBUS_BOOLEAN_EXPR(expr)                \    72    int _dbus_boolean_var_;                      \    74       _dbus_boolean_var_ = 1;                   \    76       _dbus_boolean_var_ = 0;                   \    79 #define _DBUS_LIKELY(expr) (__builtin_expect (_DBUS_BOOLEAN_EXPR(expr), 1))    80 #define _DBUS_UNLIKELY(expr) (__builtin_expect (_DBUS_BOOLEAN_EXPR(expr), 0))    82 #define _DBUS_LIKELY(expr) (expr)    83 #define _DBUS_UNLIKELY(expr) (expr)    86 #ifdef DBUS_ENABLE_VERBOSE_MODE    93 #if defined(__GNUC__) || defined(_MSC_VER)     94 #define DBUS_CPP_SUPPORTS_VARIABLE_MACRO_ARGUMENTS    97 #ifdef DBUS_CPP_SUPPORTS_VARIABLE_MACRO_ARGUMENTS    99 void _dbus_verbose_real       (
const char *file, 
const int line, 
const char *
function, 
   100                                const char *format,...) _DBUS_GNUC_PRINTF (4, 5);
   101 #  define _dbus_verbose(fmt,...) _dbus_verbose_real( __FILE__,__LINE__,__FUNCTION__,fmt, ## __VA_ARGS__)   104 void _dbus_verbose_real       (
const char *format,
   105                                ...) _DBUS_GNUC_PRINTF (1, 2);
   106 #  define _dbus_verbose _dbus_verbose_real   109 void _dbus_verbose_reset_real (
void);
   117 #  define _dbus_verbose_reset _dbus_verbose_reset_real   118 #  define _dbus_is_verbose _dbus_is_verbose_real   120 #  ifdef HAVE_ISO_VARARGS   121 #    define _dbus_verbose(...) do { } while (0)   122 #  elif defined (HAVE_GNUC_VARARGS)   123 #    define _dbus_verbose(format...) do { } while (0)   125 static void _dbus_verbose(
const char * x,...) {;}
   127 #  define _dbus_verbose_reset() do { } while (0)   128 #  define _dbus_is_verbose() FALSE    132 void _dbus_trace_ref (
const char *obj_name,
   141 const char* _dbus_strerror (
int error_number);
   143 #ifdef DBUS_DISABLE_ASSERT   144 #define _dbus_assert(condition) do { } while (0)   148                         const char  *condition_text,
   152 #define _dbus_assert(condition)                                         \   153   _dbus_real_assert ((condition) != 0, #condition, __FILE__, __LINE__, _DBUS_FUNCTION_NAME)   156 #ifdef DBUS_DISABLE_ASSERT   157 #define _dbus_assert_not_reached(explanation) do { } while (0)   162                                     int         line) _DBUS_GNUC_NORETURN;
   163 #define _dbus_assert_not_reached(explanation)                                   \   164   _dbus_real_assert_not_reached (explanation, __FILE__, __LINE__)   167 #ifdef DBUS_DISABLE_CHECKS   168 #define _dbus_return_if_fail(condition)   169 #define _dbus_return_val_if_fail(condition, val)   172 #define _dbus_return_if_fail(condition) do {                                       \   173    _dbus_assert ((*(const char*)_DBUS_FUNCTION_NAME) != '_');                      \   174   if (!(condition)) {                                                              \   175     _dbus_warn_return_if_fail (_DBUS_FUNCTION_NAME, #condition, __FILE__, __LINE__); \   179 #define _dbus_return_val_if_fail(condition, val) do {                                   \   180    _dbus_assert ((*(const char*)_DBUS_FUNCTION_NAME) != '_');                           \   181   if (!(condition)) {                                                                   \   182     _dbus_warn_return_if_fail (_DBUS_FUNCTION_NAME, #condition, __FILE__, __LINE__); \   188 #define _DBUS_N_ELEMENTS(array) ((int) (sizeof ((array)) / sizeof ((array)[0])))   190 #define _DBUS_POINTER_TO_INT(pointer) ((intptr_t)(pointer))   191 #define _DBUS_INT_TO_POINTER(integer) ((void*)((intptr_t)(integer)))   193 #define _DBUS_ZERO(object) (memset (&(object), '\0', sizeof ((object))))   195 #define _DBUS_STRUCT_OFFSET(struct_type, member)        \   196     ((intptr_t) ((unsigned char*) &((struct_type*) 0)->member))   198 #define _DBUS_ALIGNOF(type) \   199     (_DBUS_STRUCT_OFFSET (struct { char _1; type _2; }, _2))   201 #ifdef DBUS_DISABLE_CHECKS   205 #define _DBUS_ASSERT_ERROR_IS_SET(error) do { } while (0)   206 #define _DBUS_ASSERT_ERROR_IS_CLEAR(error) do { } while (0)   209 _dbus_assert_error_is_set (
const DBusError *error)
   215 _dbus_assert_error_is_clear (
const DBusError *error)
   220 #define _DBUS_ASSERT_ERROR_IS_SET(error) _dbus_assert_error_is_set(error)   221 #define _DBUS_ASSERT_ERROR_IS_CLEAR(error) _dbus_assert_error_is_clear(error)   224 #define _dbus_return_if_error_is_set(error) _dbus_return_if_fail ((error) == NULL || !dbus_error_is_set ((error)))   225 #define _dbus_return_val_if_error_is_set(error, val) _dbus_return_val_if_fail ((error) == NULL || !dbus_error_is_set ((error)), (val))   238 #define _DBUS_ALIGN_VALUE(this, boundary) \   239   (( ((uintptr_t)(this)) + (((uintptr_t)(boundary)) -1)) & (~(((uintptr_t)(boundary))-1)))   241 #define _DBUS_ALIGN_ADDRESS(this, boundary) \   242   ((void*)_DBUS_ALIGN_VALUE(this, boundary))   256 #define _DBUS_INT16_MIN  ((dbus_int16_t) 0x8000)   257 #define _DBUS_INT16_MAX  ((dbus_int16_t) 0x7fff)   258 #define _DBUS_UINT16_MAX ((dbus_uint16_t)0xffff)   259 #define _DBUS_INT32_MIN  ((dbus_int32_t) 0x80000000)   260 #define _DBUS_INT32_MAX  ((dbus_int32_t) 0x7fffffff)   261 #define _DBUS_UINT32_MAX ((dbus_uint32_t)0xffffffff)   263 #define _DBUS_INT_MIN    _DBUS_INT32_MIN   264 #define _DBUS_INT_MAX    _DBUS_INT32_MAX   265 #define _DBUS_UINT_MAX   _DBUS_UINT32_MAX   266 #define _DBUS_INT64_MAX  DBUS_INT64_CONSTANT  (0x7fffffffffffffff)   267 #define _DBUS_UINT64_MAX DBUS_UINT64_CONSTANT (0xffffffffffffffff)   268 #define _DBUS_ONE_KILOBYTE 1024   269 #define _DBUS_ONE_MEGABYTE 1024 * _DBUS_ONE_KILOBYTE   270 #define _DBUS_ONE_HOUR_IN_MILLISECONDS (1000 * 60 * 60)   271 #define _DBUS_USEC_PER_SECOND          (1000000)   274 #define MAX(a, b)  (((a) > (b)) ? (a) : (b))   277 #define MIN(a, b)  (((a) < (b)) ? (a) : (b))   280 #define ABS(a)     (((a) < 0) ? -(a) : (a))   282 #define _DBUS_ISASCII(c) ((c) != '\0' && (((c) & ~0x7f) == 0))   297 #define _DBUS_SET_OOM(error) dbus_set_error_const ((error), DBUS_ERROR_NO_MEMORY, _dbus_no_memory_message)   299 void _dbus_set_error_valist (
DBusError  *error,
   302                              va_list     args) _DBUS_GNUC_PRINTF (3, 0);
   304 typedef dbus_bool_t (* DBusTestMemoryFunction)  (
void *data);
   306 #ifdef DBUS_ENABLE_EMBEDDED_TESTS   308 void        _dbus_set_fail_alloc_counter        (
int  until_next_fail);
   309 int         _dbus_get_fail_alloc_counter        (
void);
   310 void        _dbus_set_fail_alloc_failures       (
int  failures_per_failure);
   311 int         _dbus_get_fail_alloc_failures       (
void);
   312 dbus_bool_t _dbus_decrement_fail_alloc_counter  (
void);
   315 int         _dbus_get_malloc_blocks_outstanding (
void);
   318 dbus_bool_t _dbus_test_oom_handling (
const char             *description,
   319                                      DBusTestMemoryFunction  func,
   322 #define _dbus_set_fail_alloc_counter(n)   323 #define _dbus_get_fail_alloc_counter _DBUS_INT_MAX   328 #define _dbus_decrement_fail_alloc_counter() (FALSE)   329 #define _dbus_disable_mem_pools()            (FALSE)   330 #define _dbus_get_malloc_blocks_outstanding() (0)   332 #define _dbus_test_oom_handling(description, func, data) ((*func) (data))   335 typedef void (* DBusShutdownFunction) (
void *data);
   339 dbus_bool_t _dbus_register_shutdown_func_unlocked (DBusShutdownFunction  
function,
   350   _DBUS_LOCK_connection_slots,
   351   _DBUS_LOCK_pending_call_slots,
   352   _DBUS_LOCK_server_slots,
   353   _DBUS_LOCK_message_slots,
   356   _DBUS_LOCK_bus_datas,
   357   _DBUS_LOCK_shutdown_funcs,
   358   _DBUS_LOCK_system_users,
   359   _DBUS_LOCK_message_cache,
   361   _DBUS_LOCK_shared_connections,
   362   _DBUS_LOCK_machine_uuid,
   368 dbus_bool_t _dbus_lock   (DBusGlobalLock lock) _DBUS_GNUC_WARN_UNUSED_RESULT;
   369 void        _dbus_unlock (DBusGlobalLock lock);
   371 #define _DBUS_LOCK_NAME(name)           _DBUS_LOCK_##name   372 #define _DBUS_LOCK(name)                _dbus_lock   (_DBUS_LOCK_##name)   373 #define _DBUS_UNLOCK(name)              _dbus_unlock (_DBUS_LOCK_##name)   382                                             const char        *address_problem_type,
   383                                             const char        *address_problem_field,
   384                                             const char        *address_problem_other);
   386 #define DBUS_UUID_LENGTH_BYTES 16   387 #define DBUS_UUID_LENGTH_WORDS (DBUS_UUID_LENGTH_BYTES / 4)   388 #define DBUS_UUID_LENGTH_HEX   (DBUS_UUID_LENGTH_BYTES * 2)   400 DBUS_PRIVATE_EXPORT _DBUS_GNUC_WARN_UNUSED_RESULT
   419 #define _DBUS_PASTE2(a, b) a ## b   420 #define _DBUS_PASTE(a, b) _DBUS_PASTE2 (a, b)   421 #define _DBUS_STATIC_ASSERT(expr) \   422   typedef struct { char _assertion[(expr) ? 1 : -1]; } \   423   _DBUS_PASTE (_DBUS_STATIC_ASSERT_, __LINE__) _DBUS_GNUC_UNUSED 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_GNUC_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 
#define _dbus_assert(condition)
Aborts with an error message if the condition is false. 
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. 
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. 
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. 
Object representing an exception. 
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...
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. 
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...
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). 
#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.