26 #include "dbus-internals.h"    27 #include "dbus-marshal-basic.h"    28 #include "dbus-signature.h"    32 #if !defined(PRIx64) && defined(DBUS_WIN)    36 #if defined(__GNUC__) && (__GNUC__ >= 4)    37 # define _DBUS_ASSERT_ALIGNMENT(type, op, val) \    38   _DBUS_STATIC_ASSERT (__extension__ __alignof__ (type) op val)    42 # define _DBUS_ASSERT_ALIGNMENT(type, op, val) \    43   _DBUS_STATIC_ASSERT (TRUE)    47 _DBUS_STATIC_ASSERT (
sizeof (
char) == 1);
    48 _DBUS_ASSERT_ALIGNMENT (
char, ==, 1);
    62 _DBUS_STATIC_ASSERT (
sizeof (
double) == 8);
    63 _DBUS_ASSERT_ALIGNMENT (
double, <=, 8);
   143   pack_4_octets (value, byte_order, data);
   150   if (byte_order != DBUS_COMPILER_BYTE_ORDER)
   152       value->
u64 = DBUS_UINT64_SWAP_LE_BE (value->
u64);
   156 #ifndef _dbus_unpack_uint16   166                      const unsigned char *data)
   177 #ifndef _dbus_unpack_uint32   187                      const unsigned char *data)
   211   pack_2_octets (value, byte_order, (
unsigned char *) data);
   227   pack_4_octets (value, byte_order, (
unsigned char *) data);
   243   pack_8_octets (value, byte_order, (
unsigned char *) data);
   262   set_4_octets (str, pos, value, byte_order);
   292   int old_len, new_len;
   297   _dbus_assert (_DBUS_ALIGN_VALUE (pos, 4) == (
unsigned) pos);
   299                                  _dbus_string_get_const_udata_len (str, pos, 4));
   301   new_len = _dbus_string_get_length (&dstr);
   304                                  str, pos + 4, old_len))
   310     *old_end_pos = pos + 4 + old_len + 1;
   312     *new_end_pos = pos + 4 + new_len + 1;
   338   int old_len, new_len;
   343   old_len = _dbus_string_get_byte (str, pos);
   344   new_len = _dbus_string_get_length (&dstr);
   347                                  str, pos + 1, old_len))
   350   _dbus_string_set_byte (str, pos, new_len);
   353     *old_end_pos = pos + 1 + old_len + 1;
   355     *new_end_pos = pos + 1 + new_len + 1;
   389       _dbus_string_set_byte (str, pos, vp->
byt);
   391         *old_end_pos = pos + 1;
   393         *new_end_pos = pos + 1;
   398       pos = _DBUS_ALIGN_VALUE (pos, 2);
   399       set_2_octets (str, pos, vp->
u16, byte_order);
   401         *old_end_pos = pos + 2;
   403         *new_end_pos = pos + 2;
   410       pos = _DBUS_ALIGN_VALUE (pos, 4);
   411       set_4_octets (str, pos, vp->
u32, byte_order);
   413         *old_end_pos = pos + 4;
   415         *new_end_pos = pos + 4;
   421       pos = _DBUS_ALIGN_VALUE (pos, 8);
   422       set_8_octets (str, pos, *vp, byte_order);
   424         *old_end_pos = pos + 8;
   426         *new_end_pos = pos + 8;
   431       pos = _DBUS_ALIGN_VALUE (pos, 4);
   433       return set_string (str, pos, vp->
str, byte_order,
   434                          old_end_pos, new_end_pos);
   438       return set_signature (str, pos, vp->
str, byte_order,
   439                             old_end_pos, new_end_pos);
   463   pos = _DBUS_ALIGN_VALUE (pos, 4);
   468   _dbus_assert (pos + 4 <= _dbus_string_get_length (str));
   471                               _dbus_string_get_const_udata (str) + pos);
   503   const char *str_data;
   507   str_data = _dbus_string_get_const_data (str);
   517       volatile unsigned char *vp = value;
   518       *vp = (
unsigned char) _dbus_string_get_byte (str, pos);
   526       pos = _DBUS_ALIGN_VALUE (pos, 2);
   528       if (byte_order != DBUS_COMPILER_BYTE_ORDER)
   529         *vp = DBUS_UINT16_SWAP_LE_BE (*vp);
   539       pos = _DBUS_ALIGN_VALUE (pos, 4);
   541       if (byte_order != DBUS_COMPILER_BYTE_ORDER)
   542         *vp = DBUS_UINT32_SWAP_LE_BE (*vp);
   551       pos = _DBUS_ALIGN_VALUE (pos, 8);
   552       if (byte_order != DBUS_COMPILER_BYTE_ORDER)
   553         *vp = DBUS_UINT64_SWAP_LE_BE (*(
dbus_uint64_t*)(str_data + pos));
   563         volatile char **vp = value;
   567         *vp = (
char*) str_data + pos;
   575         volatile char **vp = value;
   577         len = _dbus_string_get_byte (str, pos);
   580         *vp = (
char*) str_data + pos;
   606   _DBUS_STATIC_ASSERT (
sizeof (value) == 2);
   608   if (byte_order != DBUS_COMPILER_BYTE_ORDER)
   609     value = DBUS_UINT16_SWAP_LE_BE (value);
   611   orig_len = _dbus_string_get_length (str);
   614                                           (
const unsigned char *)&value);
   618       *pos_after = insert_at + (_dbus_string_get_length (str) - orig_len);
   619       _dbus_assert (*pos_after <= _dbus_string_get_length (str));
   635   _DBUS_STATIC_ASSERT (
sizeof (value) == 4);
   637   if (byte_order != DBUS_COMPILER_BYTE_ORDER)
   638     value = DBUS_UINT32_SWAP_LE_BE (value);
   640   orig_len = _dbus_string_get_length (str);
   643                                           (
const unsigned char *)&value);
   647       *pos_after = insert_at + (_dbus_string_get_length (str) - orig_len);
   648       _dbus_assert (*pos_after <= _dbus_string_get_length (str));
   664   _DBUS_STATIC_ASSERT (
sizeof (value) == 8);
   666   swap_8_octets (&value, byte_order);
   668   orig_len = _dbus_string_get_length (str);
   671                                           (
const unsigned char *)&value);
   674     *pos_after = insert_at + _dbus_string_get_length (str) - orig_len;
   682     MARSHAL_AS_SIGNATURE,
   683     MARSHAL_AS_BYTE_ARRAY
   687 marshal_len_followed_by_bytes (
int                  marshal_as,
   690                                const unsigned char *value,
   700   if (insert_at > _dbus_string_get_length (str))
   701     _dbus_warn (
"insert_at = %d string len = %d data_len = %d",
   702                 insert_at, _dbus_string_get_length (str), data_len);
   704   if (marshal_as == MARSHAL_AS_BYTE_ARRAY)
   705     value_len = data_len;
   707     value_len = data_len + 1; 
   713   if (marshal_as == MARSHAL_AS_SIGNATURE)
   725       if (!marshal_4_octets (str, pos, data_len,
   762   return marshal_len_followed_by_bytes (MARSHAL_AS_STRING,
   763                                         str, insert_at, (
const unsigned char *) value,
   765                                         byte_order, pos_after);
   774   return marshal_len_followed_by_bytes (MARSHAL_AS_SIGNATURE,
   775                                         str, insert_at, (
const unsigned char *) value,
   777                                         DBUS_COMPILER_BYTE_ORDER, 
   817         *pos_after = insert_at + 1;
   822       return marshal_2_octets (str, insert_at, vp->
u16,
   823                                byte_order, pos_after);
   826       return marshal_4_octets (str, insert_at, vp->
u32 != 
FALSE,
   827                                byte_order, pos_after);
   832       return marshal_4_octets (str, insert_at, vp->
u32,
   833                                byte_order, pos_after);
   838       return marshal_8_octets (str, insert_at, *vp, byte_order, pos_after);
   844       return marshal_string (str, insert_at, vp->
str, byte_order, pos_after);
   848       return marshal_signature (str, insert_at, vp->
str, pos_after);
   860                         const unsigned char *value,
   899   _dbus_assert (_DBUS_ALIGN_ADDRESS (data, alignment) == data);
   905   end = d + (n_elements * alignment);
   915   else if (alignment == 4)
   942   _dbus_assert (_DBUS_ALIGN_VALUE (array_start, alignment) == (
unsigned) array_start);
   944   if (byte_order != DBUS_COMPILER_BYTE_ORDER)
   949       _dbus_swap_array ((
unsigned char*) (_dbus_string_get_const_data (str) + array_start),
   950                         n_elements, alignment);
   970   old_string_len = _dbus_string_get_length (str);
   972   len_in_bytes = n_elements * alignment;
   973   array_start = insert_at;
   985                                (
const char *) value,
   992   swap_array (str, array_start, n_elements, byte_order, alignment);
   995     *pos_after = array_start + len_in_bytes;
  1001                        _dbus_string_get_length (str) - old_string_len);
  1038   _dbus_verbose (
"writing %d elements of %s\n",
  1042   switch (element_type)
  1045       return marshal_1_octets_array (str, insert_at, vp, n_elements, byte_order, pos_after);
  1049       return marshal_fixed_multi (str, insert_at, vp, n_elements, byte_order, 2, pos_after);
  1054       return marshal_fixed_multi (str, insert_at, vp, n_elements, byte_order, 4, pos_after);
  1059       return marshal_fixed_multi (str, insert_at, vp, n_elements, byte_order, 8, pos_after);
  1096       *pos = _DBUS_ALIGN_VALUE (*pos, 2);
  1103       *pos = _DBUS_ALIGN_VALUE (*pos, 4);
  1109       *pos = _DBUS_ALIGN_VALUE (*pos, 8);
  1126         len = _dbus_string_get_byte (str, *pos);
  1158   i = _DBUS_ALIGN_VALUE (*pos, 4);
  1164   i = _DBUS_ALIGN_VALUE (i, alignment);
  1166   *pos = i + array_len;
  1250       return "object_path";
  1256       return "dict_entry";
  1262       return "begin_struct";
  1264       return "end_struct";
  1266       return "begin_dict_entry";
  1268       return "end_dict_entry";
  1289   const unsigned char *aligned;
  1293   if (!_dbus_is_verbose())
  1297   aligned = _DBUS_ALIGN_ADDRESS (data, 4);
  1302   if (aligned != data)
  1304       _dbus_verbose (
"%4ld\t%p: ", - (
long)(data - aligned), aligned);
  1305       while (aligned != data)
  1307           _dbus_verbose (
"    ");
  1316       if (_DBUS_ALIGN_ADDRESS (&data[i], 4) == &data[i])
  1318           _dbus_verbose (
"%4d\t%p: ",
  1319                          offset + i, &data[i]);
  1322       if (data[i] >= 32 &&
  1324         _dbus_verbose (
" '%c' ", data[i]);
  1326         _dbus_verbose (
"0x%s%x ",
  1327                        data[i] <= 0xf ? 
"0" : 
"", data[i]);
  1331       if (_DBUS_ALIGN_ADDRESS (&data[i], 4) == &data[i])
  1334             _dbus_verbose (
"BE: %d LE: %d",
  1339               _DBUS_ALIGN_ADDRESS (&data[i], 8) == &data[i])
  1341               _dbus_verbose (
" u64: 0x%" PRIx64,
  1343               _dbus_verbose (
" dbl: %g",
  1344                              *(
double*)&data[i-8]);
  1347           _dbus_verbose (
"\n");
  1351   _dbus_verbose (
"\n");
  1369   real_len = _dbus_string_get_length (str);
  1373   if (start > real_len)
  1375       _dbus_verbose (
"  [%d,%d) is not inside string of length %d\n",
  1376                      start, len, real_len);
  1380   if ((start + len) > real_len)
  1382       _dbus_verbose (
"  [%d,%d) extends outside string of length %d\n",
  1383                      start, len, real_len);
  1384       len = real_len - start;
  1387   d = _dbus_string_get_const_data_len (str, start, len);
  1393 map_type_char_to_type (
int t)
  1421   return map_type_char_to_type (_dbus_string_get_byte (str, pos));
  1436   return map_type_char_to_type (str[pos]);
  1441 #ifdef DBUS_ENABLE_EMBEDDED_TESTS  1442 #include "dbus-test.h"  1464 _dbus_marshal_read_fixed_multi  (
const DBusString *str,
  1479   _dbus_verbose (
"reading %d elements of %s\n",
  1485   pos = _DBUS_ALIGN_VALUE (pos, alignment);
  1487   array_len = n_elements * alignment;
  1489   *(
const DBusBasicValue**) value = (
void*) _dbus_string_get_const_data_len (str, pos, array_len);
  1491     *new_pos = pos + array_len;
  1495 swap_test_array (
void *array,
  1506   swap_array (&t, 0, len_bytes / alignment, byte_order, alignment);
  1509 #define MARSHAL_BASIC(typename, byte_order, literal)                    \  1511      v_##typename = literal;                                            \  1512      if (!_dbus_marshal_write_basic (&str, pos, DBUS_TYPE_##typename,   \  1514                                     byte_order, NULL))                  \  1515        _dbus_assert_not_reached ("no memory");                          \  1518 #define DEMARSHAL_BASIC(typename, byte_order)                                   \  1520     _dbus_marshal_read_basic (&str, pos, DBUS_TYPE_##typename, &v_##typename,   \  1521                               byte_order, &pos);                                \  1524 #define DEMARSHAL_BASIC_AND_CHECK(typename, byte_order, literal)                        \  1526     DEMARSHAL_BASIC (typename, byte_order);                                             \  1527     if (literal != v_##typename)                                                        \  1529         _dbus_verbose_bytes_of_string (&str, dump_pos,                                  \  1530                                      _dbus_string_get_length (&str) - dump_pos);        \  1531         _dbus_assert_not_reached ("demarshaled wrong value");                           \  1535 #define MARSHAL_TEST(typename, byte_order, literal)             \  1537     MARSHAL_BASIC (typename, byte_order, literal);              \  1539     DEMARSHAL_BASIC_AND_CHECK (typename, byte_order, literal);  \  1542 #define MARSHAL_TEST_STRCMP(typename, byte_order, literal)                              \  1544     MARSHAL_BASIC (typename, byte_order, literal);                                      \  1546     DEMARSHAL_BASIC (typename, byte_order);                                             \  1547     if (strcmp (literal, v_##typename) != 0)                                            \  1549         _dbus_verbose_bytes_of_string (&str, dump_pos,                                  \  1550                                        _dbus_string_get_length (&str) - dump_pos);      \  1551         _dbus_warn ("literal '%s'\nvalue  '%s'", literal, v_##typename);              \  1552         _dbus_assert_not_reached ("demarshaled wrong value");                           \  1556 #define MARSHAL_FIXED_ARRAY(typename, byte_order, literal)                                      \  1559      v_UINT32 = sizeof(literal);                                                                \  1560      if (!_dbus_marshal_write_basic (&str, pos, DBUS_TYPE_UINT32, &v_UINT32,                    \  1561                                      byte_order, &next))                                        \  1562        _dbus_assert_not_reached ("no memory");                                                  \  1563      v_ARRAY_##typename = literal;                                                              \  1564      if (!_dbus_marshal_write_fixed_multi (&str, next, DBUS_TYPE_##typename,                    \  1565                                            &v_ARRAY_##typename, _DBUS_N_ELEMENTS(literal),      \  1566                                            byte_order, NULL))                                   \  1567        _dbus_assert_not_reached ("no memory");                                                  \  1570 #define DEMARSHAL_FIXED_ARRAY(typename, byte_order)                                             \  1573     alignment = _dbus_type_get_alignment (DBUS_TYPE_##typename);                                \  1574     v_UINT32 = _dbus_marshal_read_uint32 (&str, dump_pos, byte_order, &next);                   \  1575     _dbus_marshal_read_fixed_multi (&str, next, DBUS_TYPE_##typename, &v_ARRAY_##typename,      \  1576                                     v_UINT32/alignment,                                         \  1577                                     byte_order, NULL);                                          \  1578     swap_test_array (v_ARRAY_##typename, v_UINT32,                                              \  1579                      byte_order, alignment);                                                    \  1582 #define DEMARSHAL_FIXED_ARRAY_AND_CHECK(typename, byte_order, literal)                  \  1584     DEMARSHAL_FIXED_ARRAY (typename, byte_order);                                       \  1585     if (memcmp (literal, v_ARRAY_##typename, sizeof (literal)) != 0)                    \  1587         _dbus_verbose ("MARSHALED DATA\n");                                             \  1588         _dbus_verbose_bytes_of_string (&str, dump_pos,                                  \  1589                                       _dbus_string_get_length (&str) - dump_pos);       \  1590         _dbus_verbose ("LITERAL DATA\n");                                               \  1591         _dbus_verbose_bytes ((const unsigned char *) literal, sizeof (literal), 0);                      \  1592         _dbus_verbose ("READ DATA\n");                                                  \  1593         _dbus_verbose_bytes ((const unsigned char *) v_ARRAY_##typename, sizeof (literal), 0);           \  1594         _dbus_assert_not_reached ("demarshaled wrong fixed array value");               \  1598 #define MARSHAL_TEST_FIXED_ARRAY(typename, byte_order, literal)         \  1600     MARSHAL_FIXED_ARRAY (typename, byte_order, literal);                \  1602     DEMARSHAL_FIXED_ARRAY_AND_CHECK (typename, byte_order, literal);    \  1606 _dbus_marshal_test (
void)
  1611   unsigned char array1[5] = { 3, 4, 0, 1, 9 };
  1620   unsigned char *v_ARRAY_BYTE;
  1634   unsigned char v_BYTE;
  1636   const char *v_STRING;
  1637   const char *v_SIGNATURE;
  1638   const char *v_OBJECT_PATH;
  1696   MARSHAL_TEST_STRCMP (STRING, 
DBUS_BIG_ENDIAN, 
"This is the dbus test string");
  1741                                     _dbus_string_get_const_data (&str)));
  1749                                     _dbus_string_get_const_data (&str)));
  1754                     _dbus_string_get_data (&str));
  1758                                     _dbus_string_get_const_data (&str)));
  1763                     _dbus_string_get_data (&str));
  1767                                     _dbus_string_get_const_data (&str)));
  1775                                      _dbus_string_get_const_data (&str)));
  1783                                      _dbus_string_get_const_data (&str)));
  1788                      _dbus_string_get_data (&str));
  1792                                      _dbus_string_get_const_data (&str)));
  1797                      _dbus_string_get_data (&str));
  1801                                      _dbus_string_get_const_data (&str)));
  1812                                     _dbus_string_get_const_data (&str)));
  1820                                     _dbus_string_get_const_data (&str)));
  1823   _dbus_pack_int32 (-0x123456,
  1825                     _dbus_string_get_data (&str));
  1829                                     _dbus_string_get_const_data (&str)));
  1832   _dbus_pack_int32 (-0x123456,
  1834                     _dbus_string_get_data (&str));
  1838                                     _dbus_string_get_const_data (&str)));
  1847                                      _dbus_string_get_const_data (&str)));
  1856                                      _dbus_string_get_const_data (&str)));
  1861                      _dbus_string_get_data (&str));
  1865                                      _dbus_string_get_const_data (&str)));
  1870                      _dbus_string_get_data (&str));
  1874                                      _dbus_string_get_const_data (&str)));
  1888       MARSHAL_TEST_STRCMP (STRING, byte_order, 
"Hello world");
  1893       v_STRING = _dbus_string_get_const_data (&t);
  1895                                &v_STRING, byte_order, 
NULL, 
NULL);
  1898                                 &v_STRING, byte_order,
  1900       _dbus_assert (strcmp (v_STRING, 
"Hello world foo") == 0);
  1905       v_STRING = _dbus_string_get_const_data (&t);
  1907                                &v_STRING, byte_order, 
NULL, 
NULL);
  1909                                 &v_STRING, byte_order,
 dbus_bool_t dbus_type_is_fixed(int typecode)
Tells you whether values of this type can change length if you set them to some other value...
unsigned int dbus_uint32_t
A 32-bit unsigned integer on all platforms. 
#define DBUS_TYPE_UINT16
Type code marking a 16-bit unsigned integer. 
void _dbus_marshal_skip_basic(const DBusString *str, int type, int byte_order, int *pos)
Skips over a basic-typed value, reporting the following position. 
#define NULL
A null pointer, defined appropriately for C or C++. 
void _dbus_marshal_set_uint32(DBusString *str, int pos, dbus_uint32_t value, int byte_order)
Sets the 4 bytes at the given offset to a marshaled unsigned integer, replacing anything found there ...
int _dbus_first_type_in_signature(const DBusString *str, int pos)
Get the first type in the signature. 
#define DBUS_TYPE_STRUCT
STRUCT and DICT_ENTRY are sort of special since their codes can't appear in a type string...
#define DBUS_TYPE_DICT_ENTRY
Type code used to represent a dict entry; however, this type code does not appear in type signatures...
#define DBUS_TYPE_STRING
Type code marking a UTF-8 encoded, nul-terminated Unicode string. 
dbus_bool_t _dbus_string_insert_8_aligned(DBusString *str, int insert_at, const unsigned char octets[8])
Inserts 8 bytes aligned on an 8 byte boundary with any alignment padding initialized to 0...
#define _dbus_assert(condition)
Aborts with an error message if the condition is false. 
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...
#define DBUS_TYPE_BYTE
Type code marking an 8-bit unsigned integer. 
void _dbus_swap_array(unsigned char *data, int n_elements, int alignment)
Swaps the elements of an array to the opposite byte order. 
dbus_uint64_t u64
as int64 
char * _dbus_string_get_data_len(DBusString *str, int start, int len)
Gets a sub-portion of the raw character buffer from the string. 
dbus_bool_t _dbus_string_init(DBusString *str)
Initializes a string. 
char * str
as char* (string, object path or signature) 
dbus_bool_t _dbus_string_copy(const DBusString *source, int start, DBusString *dest, int insert_at)
Like _dbus_string_move(), but does not delete the section of the source string that's copied to the d...
#define DBUS_DICT_ENTRY_BEGIN_CHAR
Code marking the start of a dict entry type in a type signature. 
#define DBUS_STRUCT_END_CHAR
Code marking the end of a struct type in a type signature. 
#define DBUS_TYPE_DOUBLE
Type code marking an 8-byte double in IEEE 754 format. 
#define DBUS_TYPE_ARRAY
Type code marking a D-Bus array type. 
#define DBUS_TYPE_INT64
Type code marking a 64-bit signed integer. 
dbus_uint32_t _dbus_unpack_uint32(int byte_order, const unsigned char *data)
Unpacks a 32 bit unsigned integer from a data pointer. 
int _dbus_first_type_in_signature_c_str(const char *str, int pos)
Similar to _dbus_first_type_in_signature, but operates on a C string buffer. 
dbus_bool_t dbus_type_is_basic(int typecode)
A "basic type" is a somewhat arbitrary concept, but the intent is to include those types that are ful...
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. 
_DBUS_GNUC_EXTENSION typedef unsigned long long dbus_uint64_t
A 64-bit unsigned integer. 
dbus_bool_t _dbus_string_replace_len(const DBusString *source, int start, int len, DBusString *dest, int replace_at, int replace_len)
Replaces a segment of dest string with a segment of source string. 
void _dbus_marshal_skip_array(const DBusString *str, int element_type, int byte_order, int *pos)
Skips an array, returning the next position. 
void _dbus_warn(const char *format,...)
Prints a warning message to stderr. 
void _dbus_string_delete(DBusString *str, int start, int len)
Deletes a segment of a DBusString with length len starting at start. 
void _dbus_marshal_read_basic(const DBusString *str, int pos, int type, void *value, int byte_order, int *new_pos)
Demarshals a basic-typed value. 
dbus_uint16_t _dbus_unpack_uint16(int byte_order, const unsigned char *data)
Unpacks a 16 bit unsigned integer from a data pointer. 
#define DBUS_TYPE_INT32
Type code marking a 32-bit signed integer. 
#define DBUS_MAXIMUM_SIGNATURE_LENGTH
This one is 255 so it fits in a byte. 
dbus_uint16_t u16
as int16 
_DBUS_GNUC_EXTENSION typedef long long dbus_int64_t
A 64-bit signed integer. 
void _dbus_pack_uint32(dbus_uint32_t value, int byte_order, unsigned char *data)
Packs a 32 bit unsigned integer into a data pointer. 
#define DBUS_BIG_ENDIAN
Code marking MSB-first byte order in the wire protocol. 
#define DBUS_TYPE_SIGNATURE
Type code marking a D-Bus type signature. 
dbus_bool_t _dbus_string_equal_substring(const DBusString *a, int a_start, int a_len, const DBusString *b, int b_start)
Tests two sub-parts of two DBusString for equality. 
#define DBUS_TYPE_UINT64
Type code marking a 64-bit unsigned integer. 
#define DBUS_STRUCT_BEGIN_CHAR
Code marking the start of a struct type in a type signature. 
#define DBUS_TYPE_VARIANT
Type code marking a D-Bus variant type. 
#define DBUS_TYPE_UINT32
Type code marking a 32-bit unsigned integer. 
dbus_bool_t _dbus_marshal_write_fixed_multi(DBusString *str, int insert_at, int element_type, const void *value, int n_elements, int byte_order, int *pos_after)
Marshals a block of values of fixed-length type all at once, as an optimization. 
dbus_bool_t _dbus_string_insert_byte(DBusString *str, int i, unsigned char byte)
Inserts a single byte at the given position. 
short dbus_int16_t
A 16-bit signed integer on all platforms. 
void _dbus_string_free(DBusString *str)
Frees a string created by _dbus_string_init(). 
#define TRUE
Expands to "1". 
#define _dbus_assert_not_reached(explanation)
Aborts with an error message if called. 
An 8-byte struct you could use to access int64 without having int64 support. 
#define DBUS_TYPE_OBJECT_PATH
Type code marking a D-Bus object path. 
#define DBUS_TYPE_UNIX_FD
Type code marking a unix file descriptor. 
#define DBUS_TYPE_INVALID
Type code that is never equal to a legitimate type code. 
#define DBUS_INT64_CONSTANT(val)
Declare a 64-bit signed integer constant. 
#define DBUS_MAXIMUM_ARRAY_LENGTH
Max length of a marshaled array in bytes (64M, 2^26) We use signed int for lengths so must be INT_MAX...
#define DBUS_TYPE_INT16
Type code marking a 16-bit signed integer. 
#define DBUS_TYPE_BOOLEAN
Type code marking a boolean. 
A simple value union that lets you access bytes as if they were various types; useful when dealing wi...
#define FALSE
Expands to "0". 
dbus_bool_t _dbus_string_insert_4_aligned(DBusString *str, int insert_at, const unsigned char octets[4])
Inserts 4 bytes aligned on a 4 byte boundary with any alignment padding initialized to 0...
#define DBUS_DICT_ENTRY_END_CHAR
Code marking the end of a dict entry type in a type signature. 
dbus_bool_t _dbus_string_set_length(DBusString *str, int length)
Sets the length of a string. 
dbus_bool_t _dbus_string_insert_2_aligned(DBusString *str, int insert_at, const unsigned char octets[2])
Inserts 2 bytes aligned on a 2 byte boundary with any alignment padding initialized to 0...
const char * _dbus_type_to_string(int typecode)
Returns a string describing the given type. 
dbus_bool_t _dbus_string_copy_len(const DBusString *source, int start, int len, DBusString *dest, int insert_at)
Like _dbus_string_copy(), but can copy a segment from the middle of the source string. 
void _dbus_verbose_bytes_of_string(const DBusString *str, int start, int len)
Dump the given part of the string to verbose log. 
int dbus_int32_t
A 32-bit signed integer on all platforms. 
#define DBUS_UINT64_CONSTANT(val)
Declare a 64-bit unsigned integer constant. 
int _dbus_type_get_alignment(int typecode)
Gets the alignment requirement for the given type; will be 1, 4, or 8. 
dbus_bool_t _dbus_string_insert_alignment(DBusString *str, int *insert_at, int alignment)
Inserts padding at *insert_at such to align it to the given boundary. 
void _dbus_string_init_const_len(DBusString *str, const char *value, int len)
Initializes a constant string with a length. 
dbus_bool_t _dbus_marshal_set_basic(DBusString *str, int pos, int type, const void *value, int byte_order, int *old_end_pos, int *new_end_pos)
Sets an existing basic type value to a new value. 
dbus_uint32_t u32
as int32 
#define _DBUS_DOUBLES_BITWISE_EQUAL(a, b)
On x86 there is an 80-bit FPU, and if you do "a == b" it may have a or b in an 80-bit register...
unsigned short dbus_uint16_t
A 16-bit unsigned integer on all platforms. 
dbus_bool_t _dbus_marshal_write_basic(DBusString *str, int insert_at, int type, const void *value, int byte_order, int *pos_after)
Marshals a basic-typed value. 
#define DBUS_LITTLE_ENDIAN
Code marking LSB-first byte order in the wire protocol. 
void _dbus_verbose_bytes(const unsigned char *data, int len, int offset)
If in verbose mode, print a block of binary data. 
dbus_uint32_t _dbus_marshal_read_uint32(const DBusString *str, int pos, int byte_order, int *new_pos)
Convenience function to demarshal a 32 bit unsigned integer.