25 #include "dbus-internals.h"    26 #include "dbus-protocol.h"    27 #include "dbus-marshal-basic.h"    28 #include "dbus-test.h"    29 #include "dbus-valgrind-internal.h"    34 #ifdef DBUS_USE_OUTPUT_DEBUG_STRING   201               fatal_warnings = 
FALSE;
   202               fatal_warnings_on_check_failed = 
FALSE;
   206               fatal_warnings = 
TRUE;
   207               fatal_warnings_on_check_failed = 
TRUE;
   211               fprintf(stderr, 
"DBUS_FATAL_WARNINGS should be set to 0 or 1 if set, not '%s'",
   233   DBusSystemLogSeverity severity = DBUS_SYSTEM_LOG_WARNING;
   240     severity = DBUS_SYSTEM_LOG_ERROR;
   242   va_start (args, format);
   265   DBusSystemLogSeverity severity = DBUS_SYSTEM_LOG_WARNING;
   271   if (fatal_warnings_on_check_failed)
   272     severity = DBUS_SYSTEM_LOG_ERROR;
   274   va_start (args, format);
   278   if (fatal_warnings_on_check_failed)
   285 #ifdef DBUS_ENABLE_VERBOSE_MODE   290 #ifdef DBUS_USE_OUTPUT_DEBUG_STRING   291 static char module_name[1024];
   295 _dbus_verbose_init (
void)
   297   if (!verbose_initted)
   300       verbose = p != 
NULL && *p == 
'1';
   301       verbose_initted = 
TRUE;
   302 #ifdef DBUS_USE_OUTPUT_DEBUG_STRING   304         char *last_period, *last_slash;
   305         GetModuleFileName(0,module_name,
sizeof(module_name)-1);
   306         last_period = _mbsrchr(module_name,
'.');
   309         last_slash = _mbsrchr(module_name,
'\\');
   311           strcpy(module_name,last_slash+1);
   312         strcat(module_name,
": ");
   324 #define DBUS_IS_DIR_SEPARATOR(c) (c == '\\' || c == '/')   326 #define DBUS_IS_DIR_SEPARATOR(c) (c == '/')   333 static char *_dbus_file_path_extract_elements_from_tail(
const char *file,
int level)
   336   char *p = (
char *)file + strlen(file);
   341       if (DBUS_IS_DIR_SEPARATOR(*p))
   351   return (
char *)file+prefix;
   360 _dbus_is_verbose_real (
void)
   362   _dbus_verbose_init ();
   386 #ifdef DBUS_CPP_SUPPORTS_VARIABLE_MACRO_ARGUMENTS
   389                     const char *
function, 
   403   if (!_dbus_is_verbose_real())
   406 #ifndef DBUS_USE_OUTPUT_DEBUG_STRING   410       _dbus_print_thread ();
   413   fprintf (stderr, 
"%ld.%06ld ", sec, usec);
   417   len = strlen (format);
   418   if (format[len-1] == 
'\n')
   423   va_start (args, format);
   424 #ifdef DBUS_USE_OUTPUT_DEBUG_STRING   427   strcpy(buf,module_name);
   428 #ifdef DBUS_CPP_SUPPORTS_VARIABLE_MACRO_ARGUMENTS   429   sprintf (buf+strlen(buf), 
"[%s(%d):%s] ",_dbus_file_path_extract_elements_from_tail(file,2),line,
function);
   431   vsprintf (buf+strlen(buf),format, args);
   433   OutputDebugStringA(buf);
   436 #ifdef DBUS_CPP_SUPPORTS_VARIABLE_MACRO_ARGUMENTS   437   fprintf (stderr, 
"[%s(%d):%s] ",_dbus_file_path_extract_elements_from_tail(file,2),line,
function);
   440   vfprintf (stderr, format, args);
   454 _dbus_verbose_reset_real (
void)
   456   verbose_initted = 
FALSE;
   460 _dbus_trace_ref (
const char *obj_name,
   473   if (old_refcount == -1)
   501             _dbus_warn (
"%s should be 0 or 1 if set, not '%s'", env_var, s);
   507       if (old_refcount == -1)
   509           VALGRIND_PRINTF_BACKTRACE (
"%s %p ref stolen (%s)",
   511           _dbus_verbose (
"%s %p ref stolen (%s)\n",
   516           VALGRIND_PRINTF_BACKTRACE (
"%s %p %d -> %d refs (%s)",
   518                                      old_refcount, new_refcount, why);
   519           _dbus_verbose (
"%s %p %d -> %d refs (%s)\n",
   520                          obj_name, obj, old_refcount, new_refcount, why);
   550   memcpy (copy, str, len + 1);
   573   memcpy (copy, mem, n_bytes);
   596   for (len = 0; array[len] != 
NULL; ++len)
   633   while (array[i] != 
NULL)
   635       if (strcmp (array[i], str) == 0)
   653   for (i = 0; array[i]; i++) {}
   680   uuid->
as_uint32s[DBUS_UUID_LENGTH_WORDS - 1] = DBUS_UINT32_TO_BE (now);
   683                                            DBUS_UUID_LENGTH_BYTES - 4,
   687                       "Failed to generate UUID: %s", rand_error.
message);
   712 _dbus_read_uuid_file_without_creating (
const DBusString *filename,
   722       _DBUS_SET_OOM (error);
   729       _DBUS_SET_OOM (error);
   738   if (_dbus_string_get_length (&contents) != DBUS_UUID_LENGTH_HEX)
   741                       "UUID file '%s' should contain a hex string of length %d, not length %d, with no other text",
   742                       _dbus_string_get_const_data (filename),
   743                       DBUS_UUID_LENGTH_HEX,
   744                       _dbus_string_get_length (&contents));
   750       _DBUS_SET_OOM (error);
   757                       "UUID file '%s' contains invalid hex data",
   758                       _dbus_string_get_const_data (filename));
   762   if (_dbus_string_get_length (&decoded) != DBUS_UUID_LENGTH_BYTES)
   765                       "UUID file '%s' contains %d bytes of hex-encoded data instead of %d",
   766                       _dbus_string_get_const_data (filename),
   767                       _dbus_string_get_length (&decoded),
   768                       DBUS_UUID_LENGTH_BYTES);
   777   _DBUS_ASSERT_ERROR_IS_CLEAR (error);
   782   _DBUS_ASSERT_ERROR_IS_SET (error);
   805       _DBUS_SET_OOM (error);
   811       _DBUS_SET_OOM (error);
   817       _DBUS_SET_OOM (error);
   826   _DBUS_ASSERT_ERROR_IS_CLEAR (error);
   830   _DBUS_ASSERT_ERROR_IS_SET (error);
   853   if (_dbus_read_uuid_file_without_creating (filename, uuid, &read_error))
   856   if (!create_if_not_found)
   883 static int machine_uuid_initialized_generation = 0;
   905       _DBUS_SET_OOM (error);
   920           _DBUS_SET_OOM (error);
   929 #ifndef DBUS_DISABLE_CHECKS   931 _dbus_warn_return_if_fail (
const char *
function,
   932                            const char *assertion,
   937       "arguments to %s() were incorrect, assertion \"%s\" failed in file %s line %d.\n"   938       "This is normally a bug in some application using the D-Bus library.\n",
   939       function, assertion, file, line);
   943 #ifndef DBUS_DISABLE_ASSERT   958                    const char  *condition_text,
   963   if (_DBUS_UNLIKELY (!condition))
   965       _dbus_warn (
"assertion failed \"%s\" file \"%s\" line %d function %s",
   966                   condition_text, file, line, func);
   986   _dbus_warn (
"File \"%s\" line %d should not have been reached: %s",
   987               file, line, explanation);
   992 #ifdef DBUS_ENABLE_EMBEDDED_TESTS   994 run_failing_each_malloc (
int                    n_mallocs,
   995                          const char            *description,
   996                          DBusTestMemoryFunction func,
  1001   while (n_mallocs >= 0)
  1003       _dbus_set_fail_alloc_counter (n_mallocs);
  1005       _dbus_verbose (
"\n===\n%s: (will fail malloc %d with %d failures)\n===\n",
  1006                      description, n_mallocs,
  1007                      _dbus_get_fail_alloc_failures ());
  1009       if (!(* func) (data))
  1034 _dbus_test_oom_handling (
const char             *description,
  1035                          DBusTestMemoryFunction  func,
  1039   const char *setting;
  1040   int max_failures_to_try;
  1047   _dbus_verbose (
"Running once to count mallocs\n");
  1049   if (!(* func) (data))
  1052   approx_mallocs = 
_DBUS_INT_MAX - _dbus_get_fail_alloc_counter ();
  1054   _dbus_verbose (
"\n=================\n%s: about %d mallocs total\n=================\n",
  1055                  description, approx_mallocs);
  1058   if (setting != 
NULL)
  1065         _dbus_warn (
"couldn't parse '%s' as integer\n", setting);
  1066       max_failures_to_try = v;
  1070       max_failures_to_try = 4;
  1073   if (max_failures_to_try < 1)
  1075       _dbus_verbose (
"not testing OOM handling\n");
  1079   i = setting ? max_failures_to_try - 1 : 1;
  1080   while (i < max_failures_to_try)
  1082       _dbus_set_fail_alloc_failures (i);
  1083       if (!run_failing_each_malloc (approx_mallocs, description, func, data))
  1088   _dbus_verbose (
"\n=================\n%s: all iterations passed\n=================\n",
 dbus_bool_t dbus_error_has_name(const DBusError *error, const char *name)
Checks whether the error is set and has the given name. 
DBUS_PRIVATE_EXPORT dbus_bool_t _dbus_string_parse_int(const DBusString *str, int start, long *value_return, int *end_return)
Parses an integer contained in a DBusString. 
void _dbus_string_copy_to_buffer(const DBusString *str, char *buffer, int avail_len)
Copies the contents of a DBusString into a different buffer. 
dbus_bool_t _dbus_uuid_encode(const DBusGUID *uuid, DBusString *encoded)
Hex-encode a UUID. 
const char * message
public error message field 
#define NULL
A null pointer, defined appropriately for C or C++. 
dbus_bool_t _dbus_read_local_machine_uuid(DBusGUID *machine_id, dbus_bool_t create_if_not_found, DBusError *error)
Reads the uuid of the machine we're running on from the dbus configuration. 
void _dbus_abort(void)
Aborts the program with SIGABRT (dumping core). 
#define DBUS_ERROR_INVALID_FILE_CONTENT
A file contains invalid syntax or is otherwise broken. 
dbus_bool_t _dbus_string_save_to_file(const DBusString *str, const DBusString *filename, dbus_bool_t world_readable, DBusError *error)
Writes a string out to a file. 
dbus_bool_t _dbus_string_hex_encode(const DBusString *source, int start, DBusString *dest, int insert_at)
Encodes a string in hex, the way MD5 and SHA-1 are usually encoded. 
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_bool_t _dbus_generate_uuid(DBusGUID *uuid, DBusError *error)
Generates a new UUID. 
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 
void _dbus_string_chop_white(DBusString *str)
Deletes leading and trailing whitespace. 
#define _dbus_assert(condition)
Aborts with an error message if the condition is false. 
#define DBUS_ERROR_INIT
Expands to a suitable initializer for a DBusError on the stack. 
char as_bytes[DBUS_UUID_LENGTH_BYTES]
guid as 16 single-byte values 
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 dbus_error_free(DBusError *error)
Frees an error that's been set (or just initialized), then reinitializes the error as in dbus_error_i...
dbus_bool_t _dbus_file_get_contents(DBusString *str, const DBusString *filename, DBusError *error)
Appends the contents of the given file to the string, returning error code. 
A globally unique ID ; we have one for each DBusServer, and also one for each machine with libdbus in...
dbus_bool_t _dbus_string_init(DBusString *str)
Initializes a string. 
#define _DBUS_INT_MAX
Maximum value of type "int". 
void _dbus_real_assert_not_reached(const char *explanation, const char *file, int line)
Internals of _dbus_assert_not_reached(); it's a function rather than a macro with the inline code so ...
void * dbus_malloc(size_t bytes)
Allocates the given number of bytes, as with standard malloc(). 
#define dbus_new0(type, count)
Safe macro for using dbus_malloc0(). 
dbus_uint32_t dbus_bool_t
A boolean, valid values are TRUE and FALSE. 
void _dbus_string_init_const(DBusString *str, const char *value)
Initializes a constant string. 
const char * _dbus_no_memory_message
Fixed "out of memory" error message, just to avoid making up a different string every time and wastin...
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. 
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. 
size_t _dbus_string_array_length(const char **array)
Returns the size of a string array. 
void dbus_set_error(DBusError *error, const char *name, const char *format,...)
Assigns an error name and message to a DBusError. 
dbus_bool_t _dbus_string_append_byte(DBusString *str, unsigned char byte)
Appends a single byte to the string, returning FALSE if not enough memory. 
#define _DBUS_UNLOCK(name)
Unlocks a global lock. 
void _dbus_string_free(DBusString *str)
Frees a string created by _dbus_string_init(). 
char ** _dbus_dup_string_array(const char **array)
Duplicates a string array. 
#define TRUE
Expands to "1". 
void dbus_move_error(DBusError *src, DBusError *dest)
Moves an error src into dest, freeing src and overwriting dest. 
const char * name
public error name field 
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. 
void dbus_error_init(DBusError *error)
Initializes a DBusError structure. 
dbus_bool_t _dbus_string_hex_decode(const DBusString *source, int start, int *end_return, DBusString *dest, int insert_at)
Decodes a string from hex encoding. 
void dbus_free_string_array(char **str_array)
Frees a NULL-terminated array of strings. 
dbus_bool_t _dbus_string_array_contains(const char **array, const char *str)
Checks whether a string array contains the given string. 
void _dbus_logv(DBusSystemLogSeverity severity, const char *msg, va_list args)
Log a message to the system log file (e.g. 
#define FALSE
Expands to "0". 
dbus_bool_t _dbus_write_uuid_file(const DBusString *filename, const DBusGUID *uuid, DBusError *error)
Write the give UUID to a file. 
#define _DBUS_LOCK(name)
Locks a global lock, initializing it first if necessary. 
dbus_bool_t _dbus_generate_random_bytes_buffer(char *buffer, int n_bytes, DBusError *error)
Fills n_bytes of the given buffer with random bytes. 
char * _dbus_strdup(const char *str)
Duplicates a string. 
const char * _dbus_getenv(const char *varname)
Wrapper for getenv(). 
void _dbus_string_init_const_len(DBusString *str, const char *value, int len)
Initializes a constant string with a length. 
void _dbus_get_real_time(long *tv_sec, long *tv_usec)
Get current time, as in gettimeofday().