26 #include "dbus-internals.h"
27 #include "dbus-marshal-basic.h"
28 #include "dbus-signature.h"
32 #if defined(__GNUC__) && (__GNUC__ >= 4)
33 # define _DBUS_ASSERT_ALIGNMENT(type, op, val) \
34 _DBUS_STATIC_ASSERT (__extension__ __alignof__ (type) op val)
38 # define _DBUS_ASSERT_ALIGNMENT(type, op, val) \
39 _DBUS_STATIC_ASSERT (TRUE)
43 _DBUS_STATIC_ASSERT (
sizeof (
char) == 1);
44 _DBUS_ASSERT_ALIGNMENT (
char, ==, 1);
58 _DBUS_STATIC_ASSERT (
sizeof (
double) == 8);
59 _DBUS_ASSERT_ALIGNMENT (
double, <=, 8);
139 pack_4_octets (value, byte_order, data);
146 if (byte_order != DBUS_COMPILER_BYTE_ORDER)
148 value->
u64 = DBUS_UINT64_SWAP_LE_BE (value->
u64);
152 #ifndef _dbus_unpack_uint16
162 const unsigned char *data)
173 #ifndef _dbus_unpack_uint32
183 const unsigned char *data)
207 pack_2_octets (value, byte_order, data);
223 pack_4_octets (value, byte_order, data);
239 pack_8_octets (value, byte_order, data);
258 set_4_octets (str, pos, value, byte_order);
288 int old_len, new_len;
293 _dbus_assert (_DBUS_ALIGN_VALUE (pos, 4) == (
unsigned) pos);
295 _dbus_string_get_const_data_len (str, pos, 4));
297 new_len = _dbus_string_get_length (&dstr);
300 str, pos + 4, old_len))
306 *old_end_pos = pos + 4 + old_len + 1;
308 *new_end_pos = pos + 4 + new_len + 1;
334 int old_len, new_len;
339 old_len = _dbus_string_get_byte (str, pos);
340 new_len = _dbus_string_get_length (&dstr);
343 str, pos + 1, old_len))
346 _dbus_string_set_byte (str, pos, new_len);
349 *old_end_pos = pos + 1 + old_len + 1;
351 *new_end_pos = pos + 1 + new_len + 1;
385 _dbus_string_set_byte (str, pos, vp->
byt);
387 *old_end_pos = pos + 1;
389 *new_end_pos = pos + 1;
394 pos = _DBUS_ALIGN_VALUE (pos, 2);
395 set_2_octets (str, pos, vp->
u16, byte_order);
397 *old_end_pos = pos + 2;
399 *new_end_pos = pos + 2;
406 pos = _DBUS_ALIGN_VALUE (pos, 4);
407 set_4_octets (str, pos, vp->
u32, byte_order);
409 *old_end_pos = pos + 4;
411 *new_end_pos = pos + 4;
417 pos = _DBUS_ALIGN_VALUE (pos, 8);
418 set_8_octets (str, pos, *vp, byte_order);
420 *old_end_pos = pos + 8;
422 *new_end_pos = pos + 8;
427 pos = _DBUS_ALIGN_VALUE (pos, 4);
429 return set_string (str, pos, vp->
str, byte_order,
430 old_end_pos, new_end_pos);
434 return set_signature (str, pos, vp->
str, byte_order,
435 old_end_pos, new_end_pos);
459 pos = _DBUS_ALIGN_VALUE (pos, 4);
464 _dbus_assert (pos + 4 <= _dbus_string_get_length (str));
467 _dbus_string_get_const_data (str) + pos);
499 const char *str_data;
503 str_data = _dbus_string_get_const_data (str);
513 volatile unsigned char *vp = value;
514 *vp = (
unsigned char) _dbus_string_get_byte (str, pos);
522 pos = _DBUS_ALIGN_VALUE (pos, 2);
524 if (byte_order != DBUS_COMPILER_BYTE_ORDER)
525 *vp = DBUS_UINT16_SWAP_LE_BE (*vp);
535 pos = _DBUS_ALIGN_VALUE (pos, 4);
537 if (byte_order != DBUS_COMPILER_BYTE_ORDER)
538 *vp = DBUS_UINT32_SWAP_LE_BE (*vp);
547 pos = _DBUS_ALIGN_VALUE (pos, 8);
548 if (byte_order != DBUS_COMPILER_BYTE_ORDER)
549 *vp = DBUS_UINT64_SWAP_LE_BE (*(
dbus_uint64_t*)(str_data + pos));
559 volatile char **vp = value;
563 *vp = (
char*) str_data + pos;
571 volatile char **vp = value;
573 len = _dbus_string_get_byte (str, pos);
576 *vp = (
char*) str_data + pos;
604 if (byte_order != DBUS_COMPILER_BYTE_ORDER)
605 value = DBUS_UINT16_SWAP_LE_BE (value);
607 orig_len = _dbus_string_get_length (str);
610 (
const unsigned char *)&value);
614 *pos_after = insert_at + (_dbus_string_get_length (str) - orig_len);
615 _dbus_assert (*pos_after <= _dbus_string_get_length (str));
633 if (byte_order != DBUS_COMPILER_BYTE_ORDER)
634 value = DBUS_UINT32_SWAP_LE_BE (value);
636 orig_len = _dbus_string_get_length (str);
639 (
const unsigned char *)&value);
643 *pos_after = insert_at + (_dbus_string_get_length (str) - orig_len);
644 _dbus_assert (*pos_after <= _dbus_string_get_length (str));
662 swap_8_octets (&value, byte_order);
664 orig_len = _dbus_string_get_length (str);
667 (
const unsigned char *)&value);
670 *pos_after = insert_at + _dbus_string_get_length (str) - orig_len;
678 MARSHAL_AS_SIGNATURE,
679 MARSHAL_AS_BYTE_ARRAY
683 marshal_len_followed_by_bytes (
int marshal_as,
686 const unsigned char *value,
696 if (insert_at > _dbus_string_get_length (str))
697 _dbus_warn (
"insert_at = %d string len = %d data_len = %d\n",
698 insert_at, _dbus_string_get_length (str), data_len);
700 if (marshal_as == MARSHAL_AS_BYTE_ARRAY)
701 value_len = data_len;
703 value_len = data_len + 1;
709 if (marshal_as == MARSHAL_AS_SIGNATURE)
721 if (!marshal_4_octets (str, pos, data_len,
758 return marshal_len_followed_by_bytes (MARSHAL_AS_STRING,
759 str, insert_at, value,
761 byte_order, pos_after);
770 return marshal_len_followed_by_bytes (MARSHAL_AS_SIGNATURE,
771 str, insert_at, value,
773 DBUS_COMPILER_BYTE_ORDER,
813 *pos_after = insert_at + 1;
818 return marshal_2_octets (str, insert_at, vp->
u16,
819 byte_order, pos_after);
822 return marshal_4_octets (str, insert_at, vp->
u32 !=
FALSE,
823 byte_order, pos_after);
828 return marshal_4_octets (str, insert_at, vp->
u32,
829 byte_order, pos_after);
834 return marshal_8_octets (str, insert_at, *vp, byte_order, pos_after);
840 return marshal_string (str, insert_at, vp->
str, byte_order, pos_after);
844 return marshal_signature (str, insert_at, vp->
str, pos_after);
856 const unsigned char *value,
895 _dbus_assert (_DBUS_ALIGN_ADDRESS (data, alignment) == data);
901 end = d + (n_elements * alignment);
911 else if (alignment == 4)
938 _dbus_assert (_DBUS_ALIGN_VALUE (array_start, alignment) == (
unsigned) array_start);
940 if (byte_order != DBUS_COMPILER_BYTE_ORDER)
945 _dbus_swap_array ((
unsigned char*) (_dbus_string_get_const_data (str) + array_start),
946 n_elements, alignment);
966 old_string_len = _dbus_string_get_length (str);
968 len_in_bytes = n_elements * alignment;
969 array_start = insert_at;
981 (
const unsigned char*) value,
988 swap_array (str, array_start, n_elements, byte_order, alignment);
991 *pos_after = array_start + len_in_bytes;
997 _dbus_string_get_length (str) - old_string_len);
1034 _dbus_verbose (
"writing %d elements of %s\n",
1038 switch (element_type)
1041 return marshal_1_octets_array (str, insert_at, vp, n_elements, byte_order, pos_after);
1045 return marshal_fixed_multi (str, insert_at, vp, n_elements, byte_order, 2, pos_after);
1050 return marshal_fixed_multi (str, insert_at, vp, n_elements, byte_order, 4, pos_after);
1055 return marshal_fixed_multi (str, insert_at, vp, n_elements, byte_order, 8, pos_after);
1092 *pos = _DBUS_ALIGN_VALUE (*pos, 2);
1099 *pos = _DBUS_ALIGN_VALUE (*pos, 4);
1105 *pos = _DBUS_ALIGN_VALUE (*pos, 8);
1122 len = _dbus_string_get_byte (str, *pos);
1154 i = _DBUS_ALIGN_VALUE (*pos, 4);
1160 i = _DBUS_ALIGN_VALUE (i, alignment);
1162 *pos = i + array_len;
1246 return "object_path";
1252 return "dict_entry";
1258 return "begin_struct";
1260 return "end_struct";
1262 return "begin_dict_entry";
1264 return "end_dict_entry";
1285 const unsigned char *aligned;
1289 if (!_dbus_is_verbose())
1293 aligned = _DBUS_ALIGN_ADDRESS (data, 4);
1298 if (aligned != data)
1300 _dbus_verbose (
"%4ld\t%p: ", - (
long)(data - aligned), aligned);
1301 while (aligned != data)
1303 _dbus_verbose (
" ");
1312 if (_DBUS_ALIGN_ADDRESS (&data[i], 4) == &data[i])
1314 _dbus_verbose (
"%4d\t%p: ",
1315 offset + i, &data[i]);
1318 if (data[i] >= 32 &&
1320 _dbus_verbose (
" '%c' ", data[i]);
1322 _dbus_verbose (
"0x%s%x ",
1323 data[i] <= 0xf ?
"0" :
"", data[i]);
1327 if (_DBUS_ALIGN_ADDRESS (&data[i], 4) == &data[i])
1330 _dbus_verbose (
"BE: %d LE: %d",
1335 _DBUS_ALIGN_ADDRESS (&data[i], 8) == &data[i])
1337 #ifdef DBUS_INT64_PRINTF_MODIFIER
1338 _dbus_verbose (
" u64: 0x%" DBUS_INT64_PRINTF_MODIFIER
"x",
1341 _dbus_verbose (
" dbl: %g",
1342 *(
double*)&data[i-8]);
1345 _dbus_verbose (
"\n");
1349 _dbus_verbose (
"\n");
1367 real_len = _dbus_string_get_length (str);
1371 if (start > real_len)
1373 _dbus_verbose (
" [%d,%d) is not inside string of length %d\n",
1374 start, len, real_len);
1378 if ((start + len) > real_len)
1380 _dbus_verbose (
" [%d,%d) extends outside string of length %d\n",
1381 start, len, real_len);
1382 len = real_len - start;
1385 d = _dbus_string_get_const_data_len (str, start, len);
1391 map_type_char_to_type (
int t)
1419 return map_type_char_to_type (_dbus_string_get_byte (str, pos));
1434 return map_type_char_to_type (str[pos]);
1439 #ifdef DBUS_ENABLE_EMBEDDED_TESTS
1440 #include "dbus-test.h"
1462 _dbus_marshal_read_fixed_multi (
const DBusString *str,
1477 _dbus_verbose (
"reading %d elements of %s\n",
1483 pos = _DBUS_ALIGN_VALUE (pos, alignment);
1485 array_len = n_elements * alignment;
1487 *(
const DBusBasicValue**) value = (
void*) _dbus_string_get_const_data_len (str, pos, array_len);
1489 *new_pos = pos + array_len;
1493 swap_test_array (
void *array,
1504 swap_array (&t, 0, len_bytes / alignment, byte_order, alignment);
1507 #define MARSHAL_BASIC(typename, byte_order, literal) \
1509 v_##typename = literal; \
1510 if (!_dbus_marshal_write_basic (&str, pos, DBUS_TYPE_##typename, \
1512 byte_order, NULL)) \
1513 _dbus_assert_not_reached ("no memory"); \
1516 #define DEMARSHAL_BASIC(typename, byte_order) \
1518 _dbus_marshal_read_basic (&str, pos, DBUS_TYPE_##typename, &v_##typename, \
1519 byte_order, &pos); \
1522 #define DEMARSHAL_BASIC_AND_CHECK(typename, byte_order, literal) \
1524 DEMARSHAL_BASIC (typename, byte_order); \
1525 if (literal != v_##typename) \
1527 _dbus_verbose_bytes_of_string (&str, dump_pos, \
1528 _dbus_string_get_length (&str) - dump_pos); \
1529 _dbus_assert_not_reached ("demarshaled wrong value"); \
1533 #define MARSHAL_TEST(typename, byte_order, literal) \
1535 MARSHAL_BASIC (typename, byte_order, literal); \
1537 DEMARSHAL_BASIC_AND_CHECK (typename, byte_order, literal); \
1540 #define MARSHAL_TEST_STRCMP(typename, byte_order, literal) \
1542 MARSHAL_BASIC (typename, byte_order, literal); \
1544 DEMARSHAL_BASIC (typename, byte_order); \
1545 if (strcmp (literal, v_##typename) != 0) \
1547 _dbus_verbose_bytes_of_string (&str, dump_pos, \
1548 _dbus_string_get_length (&str) - dump_pos); \
1549 _dbus_warn ("literal '%s'\nvalue '%s'\n", literal, v_##typename); \
1550 _dbus_assert_not_reached ("demarshaled wrong value"); \
1554 #define MARSHAL_FIXED_ARRAY(typename, byte_order, literal) \
1557 v_UINT32 = sizeof(literal); \
1558 if (!_dbus_marshal_write_basic (&str, pos, DBUS_TYPE_UINT32, &v_UINT32, \
1559 byte_order, &next)) \
1560 _dbus_assert_not_reached ("no memory"); \
1561 v_ARRAY_##typename = literal; \
1562 if (!_dbus_marshal_write_fixed_multi (&str, next, DBUS_TYPE_##typename, \
1563 &v_ARRAY_##typename, _DBUS_N_ELEMENTS(literal), \
1564 byte_order, NULL)) \
1565 _dbus_assert_not_reached ("no memory"); \
1568 #define DEMARSHAL_FIXED_ARRAY(typename, byte_order) \
1571 alignment = _dbus_type_get_alignment (DBUS_TYPE_##typename); \
1572 v_UINT32 = _dbus_marshal_read_uint32 (&str, dump_pos, byte_order, &next); \
1573 _dbus_marshal_read_fixed_multi (&str, next, DBUS_TYPE_##typename, &v_ARRAY_##typename, \
1574 v_UINT32/alignment, \
1575 byte_order, NULL); \
1576 swap_test_array (v_ARRAY_##typename, v_UINT32, \
1577 byte_order, alignment); \
1580 #define DEMARSHAL_FIXED_ARRAY_AND_CHECK(typename, byte_order, literal) \
1582 DEMARSHAL_FIXED_ARRAY (typename, byte_order); \
1583 if (memcmp (literal, v_ARRAY_##typename, sizeof (literal) != 0)) \
1585 _dbus_verbose ("MARSHALED DATA\n"); \
1586 _dbus_verbose_bytes_of_string (&str, dump_pos, \
1587 _dbus_string_get_length (&str) - dump_pos); \
1588 _dbus_verbose ("LITERAL DATA\n"); \
1589 _dbus_verbose_bytes ((char*)literal, sizeof (literal), 0); \
1590 _dbus_verbose ("READ DATA\n"); \
1591 _dbus_verbose_bytes ((char*)v_ARRAY_##typename, sizeof (literal), 0); \
1592 _dbus_assert_not_reached ("demarshaled wrong fixed array value"); \
1596 #define MARSHAL_TEST_FIXED_ARRAY(typename, byte_order, literal) \
1598 MARSHAL_FIXED_ARRAY (typename, byte_order, literal); \
1600 DEMARSHAL_FIXED_ARRAY_AND_CHECK (typename, byte_order, literal); \
1604 _dbus_marshal_test (
void)
1609 unsigned char array1[5] = { 3, 4, 0, 1, 9 };
1616 unsigned char *v_ARRAY_BYTE;
1630 unsigned char v_BYTE;
1632 const char *v_STRING;
1633 const char *v_SIGNATURE;
1634 const char *v_OBJECT_PATH;
1692 MARSHAL_TEST_STRCMP (STRING,
DBUS_BIG_ENDIAN,
"This is the dbus test string");
1737 _dbus_string_get_const_data (&str)));
1745 _dbus_string_get_const_data (&str)));
1750 _dbus_string_get_data (&str));
1754 _dbus_string_get_const_data (&str)));
1759 _dbus_string_get_data (&str));
1763 _dbus_string_get_const_data (&str)));
1771 _dbus_string_get_const_data (&str)));
1779 _dbus_string_get_const_data (&str)));
1784 _dbus_string_get_data (&str));
1788 _dbus_string_get_const_data (&str)));
1793 _dbus_string_get_data (&str));
1797 _dbus_string_get_const_data (&str)));
1808 _dbus_string_get_const_data (&str)));
1816 _dbus_string_get_const_data (&str)));
1819 _dbus_pack_int32 (-0x123456,
1821 _dbus_string_get_data (&str));
1825 _dbus_string_get_const_data (&str)));
1828 _dbus_pack_int32 (-0x123456,
1830 _dbus_string_get_data (&str));
1834 _dbus_string_get_const_data (&str)));
1843 _dbus_string_get_const_data (&str)));
1852 _dbus_string_get_const_data (&str)));
1857 _dbus_string_get_data (&str));
1861 _dbus_string_get_const_data (&str)));
1866 _dbus_string_get_data (&str));
1870 _dbus_string_get_const_data (&str)));
1884 MARSHAL_TEST_STRCMP (STRING, byte_order,
"Hello world");
1889 v_STRING = _dbus_string_get_const_data (&t);
1891 &v_STRING, byte_order,
NULL,
NULL);
1894 &v_STRING, byte_order,
1896 _dbus_assert (strcmp (v_STRING,
"Hello world foo") == 0);
1901 v_STRING = _dbus_string_get_const_data (&t);
1903 &v_STRING, byte_order,
NULL,
NULL);
1905 &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 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 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.