1 /* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
2 /* dbus-marshal-basic.c Marshalling routines for basic (primitive) types
4 * Copyright (C) 2002 CodeFactory AB
5 * Copyright (C) 2003, 2004, 2005 Red Hat, Inc.
7 * Licensed under the Academic Free License version 2.1
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
25 #include "dbus-internals.h"
26 #include "dbus-marshal-basic.h"
27 #include "dbus-signature.h"
32 * @defgroup DBusMarshal marshaling and unmarshaling
33 * @ingroup DBusInternals
34 * @brief functions to marshal/unmarshal data from the wire
36 * Types and functions related to converting primitive data types from
37 * wire format to native machine format, and vice versa.
39 * A signature is just a string with multiple types one after the other.
40 * for example a type is "i" or "(ii)", a signature is "i(ii)"
41 * where i is int and (ii) is struct { int; int; }
47 pack_2_octets (dbus_uint16_t value,
51 _dbus_assert (_DBUS_ALIGN_ADDRESS (data, 2) == data);
53 if ((byte_order) == DBUS_LITTLE_ENDIAN)
54 *((dbus_uint16_t*)(data)) = DBUS_UINT16_TO_LE (value);
56 *((dbus_uint16_t*)(data)) = DBUS_UINT16_TO_BE (value);
60 pack_4_octets (dbus_uint32_t value,
64 _dbus_assert (_DBUS_ALIGN_ADDRESS (data, 4) == data);
66 if ((byte_order) == DBUS_LITTLE_ENDIAN)
67 *((dbus_uint32_t*)(data)) = DBUS_UINT32_TO_LE (value);
69 *((dbus_uint32_t*)(data)) = DBUS_UINT32_TO_BE (value);
73 pack_8_octets (DBusBasicValue value,
77 _dbus_assert (_DBUS_ALIGN_ADDRESS (data, 8) == data);
79 #ifdef DBUS_HAVE_INT64
80 if ((byte_order) == DBUS_LITTLE_ENDIAN)
81 *((dbus_uint64_t*)(data)) = DBUS_UINT64_TO_LE (value.u64);
83 *((dbus_uint64_t*)(data)) = DBUS_UINT64_TO_BE (value.u64);
85 *(DBus8ByteStruct*)data = value.u64;
86 swap_8_octets ((DBusBasicValue*)data, byte_order);
91 * Packs a 32 bit unsigned integer into a data pointer.
93 * @param value the value
94 * @param byte_order the byte order to use
95 * @param data the data pointer
98 _dbus_pack_uint32 (dbus_uint32_t value,
102 pack_4_octets (value, byte_order, data);
105 #ifndef DBUS_HAVE_INT64
108 swap_bytes (unsigned char *data,
111 unsigned char *p1 = data;
112 unsigned char *p2 = data + len - 1;
116 unsigned char tmp = *p1;
124 #endif /* !DBUS_HAVE_INT64 */
127 swap_8_octets (DBusBasicValue *value,
130 if (byte_order != DBUS_COMPILER_BYTE_ORDER)
132 #ifdef DBUS_HAVE_INT64
133 value->u64 = DBUS_UINT64_SWAP_LE_BE (value->u64);
135 swap_bytes ((unsigned char *)value, 8);
141 static DBusBasicValue
142 unpack_8_octets (int byte_order,
143 const unsigned char *data)
147 _dbus_assert (_DBUS_ALIGN_ADDRESS (data, 8) == data);
148 _dbus_assert (sizeof (r) == 8);
150 #ifdef DBUS_HAVE_INT64
151 if (byte_order == DBUS_LITTLE_ENDIAN)
152 r.u64 = DBUS_UINT64_FROM_LE (*(dbus_uint64_t*)data);
154 r.u64 = DBUS_UINT64_FROM_BE (*(dbus_uint64_t*)data);
156 r.u64 = *(DBus8ByteStruct*)data;
157 swap_8_octets (&r, byte_order);
164 #ifndef _dbus_unpack_uint16
166 * Unpacks a 16 bit unsigned integer from a data pointer
168 * @param byte_order The byte order to use
169 * @param data the data pointer
170 * @returns the integer
173 _dbus_unpack_uint16 (int byte_order,
174 const unsigned char *data)
176 _dbus_assert (_DBUS_ALIGN_ADDRESS (data, 2) == data);
178 if (byte_order == DBUS_LITTLE_ENDIAN)
179 return DBUS_UINT16_FROM_LE (*(dbus_uint16_t*)data);
181 return DBUS_UINT16_FROM_BE (*(dbus_uint16_t*)data);
183 #endif /* _dbus_unpack_uint16 */
185 #ifndef _dbus_unpack_uint32
187 * Unpacks a 32 bit unsigned integer from a data pointer
189 * @param byte_order The byte order to use
190 * @param data the data pointer
191 * @returns the integer
194 _dbus_unpack_uint32 (int byte_order,
195 const unsigned char *data)
197 _dbus_assert (_DBUS_ALIGN_ADDRESS (data, 4) == data);
199 if (byte_order == DBUS_LITTLE_ENDIAN)
200 return DBUS_UINT32_FROM_LE (*(dbus_uint32_t*)data);
202 return DBUS_UINT32_FROM_BE (*(dbus_uint32_t*)data);
204 #endif /* _dbus_unpack_uint32 */
207 set_2_octets (DBusString *str,
214 _dbus_assert (byte_order == DBUS_LITTLE_ENDIAN ||
215 byte_order == DBUS_BIG_ENDIAN);
217 data = _dbus_string_get_data_len (str, offset, 2);
219 pack_2_octets (value, byte_order, data);
223 set_4_octets (DBusString *str,
230 _dbus_assert (byte_order == DBUS_LITTLE_ENDIAN ||
231 byte_order == DBUS_BIG_ENDIAN);
233 data = _dbus_string_get_data_len (str, offset, 4);
235 pack_4_octets (value, byte_order, data);
239 set_8_octets (DBusString *str,
241 DBusBasicValue value,
246 _dbus_assert (byte_order == DBUS_LITTLE_ENDIAN ||
247 byte_order == DBUS_BIG_ENDIAN);
249 data = _dbus_string_get_data_len (str, offset, 8);
251 pack_8_octets (value, byte_order, data);
255 * Sets the 4 bytes at the given offset to a marshaled unsigned
256 * integer, replacing anything found there previously.
258 * @param str the string to write the marshalled int to
259 * @param pos the byte offset where int should be written
260 * @param value the value
261 * @param byte_order the byte order to use
265 _dbus_marshal_set_uint32 (DBusString *str,
270 set_4_octets (str, pos, value, byte_order);
274 * Sets the existing marshaled string at the given offset with
275 * a new marshaled string. The given offset must point to
276 * an existing string or the wrong length will be deleted
277 * and replaced with the new string.
279 * Note: no attempt is made by this function to re-align
280 * any data which has been already marshalled after this
281 * string. Use with caution.
283 * @param str the string to write the marshalled string to
284 * @param pos the position of the marshaled string length
285 * @param value the value
286 * @param byte_order the byte order to use
287 * @param old_end_pos place to store byte after the nul byte of the old value
288 * @param new_end_pos place to store byte after the nul byte of the new value
289 * @returns #TRUE on success, #FALSE if no memory
293 set_string (DBusString *str,
300 int old_len, new_len;
303 _dbus_string_init_const (&dstr, value);
305 _dbus_assert (_DBUS_ALIGN_VALUE (pos, 4) == (unsigned) pos);
306 old_len = _dbus_unpack_uint32 (byte_order,
307 _dbus_string_get_const_data_len (str, pos, 4));
309 new_len = _dbus_string_get_length (&dstr);
311 if (!_dbus_string_replace_len (&dstr, 0, new_len,
312 str, pos + 4, old_len))
315 _dbus_marshal_set_uint32 (str, pos, new_len, byte_order);
318 *old_end_pos = pos + 4 + old_len + 1;
320 *new_end_pos = pos + 4 + new_len + 1;
326 * Sets the existing marshaled signature at the given offset to a new
327 * marshaled signature. Same basic ideas as set_string().
329 * @param str the string to write the marshalled signature to
330 * @param pos the position of the marshaled signature length
331 * @param value the value
332 * @param byte_order the byte order to use
333 * @param old_end_pos place to store byte after the nul byte of the old value
334 * @param new_end_pos place to store byte after the nul byte of the new value
335 * @returns #TRUE on success, #FALSE if no memory
339 set_signature (DBusString *str,
346 int old_len, new_len;
349 _dbus_string_init_const (&dstr, value);
351 old_len = _dbus_string_get_byte (str, pos);
352 new_len = _dbus_string_get_length (&dstr);
354 if (!_dbus_string_replace_len (&dstr, 0, new_len,
355 str, pos + 1, old_len))
358 _dbus_string_set_byte (str, pos, new_len);
361 *old_end_pos = pos + 1 + old_len + 1;
363 *new_end_pos = pos + 1 + new_len + 1;
369 * Sets an existing basic type value to a new value.
370 * Arguments work the same way as _dbus_marshal_basic_type().
372 * @param str the string
373 * @param pos location of the current value
374 * @param type the type of the current and new values
375 * @param value the address of the new value
376 * @param byte_order byte order for marshaling
377 * @param old_end_pos location to store end position of the old value, or #NULL
378 * @param new_end_pos location to store end position of the new value, or #NULL
379 * @returns #FALSE if no memory
382 _dbus_marshal_set_basic (DBusString *str,
390 const DBusBasicValue *vp;
397 _dbus_string_set_byte (str, pos, vp->byt);
399 *old_end_pos = pos + 1;
401 *new_end_pos = pos + 1;
404 case DBUS_TYPE_INT16:
405 case DBUS_TYPE_UINT16:
406 pos = _DBUS_ALIGN_VALUE (pos, 2);
407 set_2_octets (str, pos, vp->u16, byte_order);
409 *old_end_pos = pos + 2;
411 *new_end_pos = pos + 2;
414 case DBUS_TYPE_BOOLEAN:
415 case DBUS_TYPE_INT32:
416 case DBUS_TYPE_UINT32:
417 pos = _DBUS_ALIGN_VALUE (pos, 4);
418 set_4_octets (str, pos, vp->u32, byte_order);
420 *old_end_pos = pos + 4;
422 *new_end_pos = pos + 4;
425 case DBUS_TYPE_INT64:
426 case DBUS_TYPE_UINT64:
427 case DBUS_TYPE_DOUBLE:
428 pos = _DBUS_ALIGN_VALUE (pos, 8);
429 set_8_octets (str, pos, *vp, byte_order);
431 *old_end_pos = pos + 8;
433 *new_end_pos = pos + 8;
436 case DBUS_TYPE_STRING:
437 case DBUS_TYPE_OBJECT_PATH:
438 pos = _DBUS_ALIGN_VALUE (pos, 4);
439 _dbus_assert (vp->str != NULL);
440 return set_string (str, pos, vp->str, byte_order,
441 old_end_pos, new_end_pos);
443 case DBUS_TYPE_SIGNATURE:
444 _dbus_assert (vp->str != NULL);
445 return set_signature (str, pos, vp->str, byte_order,
446 old_end_pos, new_end_pos);
449 _dbus_assert_not_reached ("not a basic type");
456 * Convenience function to demarshal a 32 bit unsigned integer.
458 * @param str the string containing the data
459 * @param byte_order the byte order
460 * @param pos the position in the string
461 * @param new_pos the new position of the string
462 * @returns the demarshaled integer.
465 _dbus_marshal_read_uint32 (const DBusString *str,
470 pos = _DBUS_ALIGN_VALUE (pos, 4);
475 _dbus_assert (pos + 4 <= _dbus_string_get_length (str));
477 return _dbus_unpack_uint32 (byte_order,
478 _dbus_string_get_const_data (str) + pos);
482 * Demarshals a basic-typed value. The "value" pointer is always
483 * the address of a variable of the basic type. So e.g.
484 * if the basic type is "double" then the pointer is
485 * a double*, and if it's "char*" then the pointer is
488 * A value of type #DBusBasicValue is guaranteed to be large enough to
489 * hold any of the types that may be returned, which is handy if you
490 * are trying to do things generically. For example you can pass
491 * a DBusBasicValue* in to this function, and then pass the same
492 * DBusBasicValue* in to _dbus_marshal_basic_type() in order to
493 * move a value from one place to another.
495 * @param str the string containing the data
496 * @param pos position in the string
497 * @param type type of value to demarshal
498 * @param value pointer to return value data
499 * @param byte_order the byte order
500 * @param new_pos pointer to update with new position, or #NULL
503 _dbus_marshal_read_basic (const DBusString *str,
510 const char *str_data;
512 _dbus_assert (dbus_type_is_basic (type));
514 str_data = _dbus_string_get_const_data (str);
516 /* Below we volatile types to avoid aliasing issues;
517 * see http://bugs.freedesktop.org/show_bug.cgi?id=20137
524 volatile unsigned char *vp = value;
525 *vp = (unsigned char) _dbus_string_get_byte (str, pos);
529 case DBUS_TYPE_INT16:
530 case DBUS_TYPE_UINT16:
532 volatile dbus_uint16_t *vp = value;
533 pos = _DBUS_ALIGN_VALUE (pos, 2);
534 *vp = *(dbus_uint16_t *)(str_data + pos);
535 if (byte_order != DBUS_COMPILER_BYTE_ORDER)
536 *vp = DBUS_UINT16_SWAP_LE_BE (*vp);
540 case DBUS_TYPE_INT32:
541 case DBUS_TYPE_UINT32:
542 case DBUS_TYPE_BOOLEAN:
544 volatile dbus_uint32_t *vp = value;
545 pos = _DBUS_ALIGN_VALUE (pos, 4);
546 *vp = *(dbus_uint32_t *)(str_data + pos);
547 if (byte_order != DBUS_COMPILER_BYTE_ORDER)
548 *vp = DBUS_UINT32_SWAP_LE_BE (*vp);
552 case DBUS_TYPE_INT64:
553 case DBUS_TYPE_UINT64:
554 case DBUS_TYPE_DOUBLE:
556 volatile dbus_uint64_t *vp = value;
557 pos = _DBUS_ALIGN_VALUE (pos, 8);
558 #ifdef DBUS_HAVE_INT64
559 if (byte_order != DBUS_COMPILER_BYTE_ORDER)
560 *vp = DBUS_UINT64_SWAP_LE_BE (*(dbus_uint64_t*)(str_data + pos));
562 *vp = *(dbus_uint64_t*)(str_data + pos);
564 *vp = *(DBus8ByteStruct*) (str_data + pos);
565 swap_8_octets (vp, byte_order);
570 case DBUS_TYPE_STRING:
571 case DBUS_TYPE_OBJECT_PATH:
574 volatile char **vp = value;
576 len = _dbus_marshal_read_uint32 (str, pos, byte_order, &pos);
578 *vp = (char*) str_data + pos;
580 pos += len + 1; /* length plus nul */
583 case DBUS_TYPE_SIGNATURE:
586 volatile char **vp = value;
588 len = _dbus_string_get_byte (str, pos);
591 *vp = (char*) str_data + pos;
593 pos += len + 1; /* length plus nul */
597 _dbus_warn_check_failed ("type %s %d not a basic type\n",
598 _dbus_type_to_string (type), type);
599 _dbus_assert_not_reached ("not a basic type");
608 marshal_2_octets (DBusString *str,
617 _dbus_assert (sizeof (value) == 2);
619 if (byte_order != DBUS_COMPILER_BYTE_ORDER)
620 value = DBUS_UINT16_SWAP_LE_BE (value);
622 orig_len = _dbus_string_get_length (str);
624 retval = _dbus_string_insert_2_aligned (str, insert_at,
625 (const unsigned char *)&value);
629 *pos_after = insert_at + (_dbus_string_get_length (str) - orig_len);
630 _dbus_assert (*pos_after <= _dbus_string_get_length (str));
637 marshal_4_octets (DBusString *str,
646 _dbus_assert (sizeof (value) == 4);
648 if (byte_order != DBUS_COMPILER_BYTE_ORDER)
649 value = DBUS_UINT32_SWAP_LE_BE (value);
651 orig_len = _dbus_string_get_length (str);
653 retval = _dbus_string_insert_4_aligned (str, insert_at,
654 (const unsigned char *)&value);
658 *pos_after = insert_at + (_dbus_string_get_length (str) - orig_len);
659 _dbus_assert (*pos_after <= _dbus_string_get_length (str));
666 marshal_8_octets (DBusString *str,
668 DBusBasicValue value,
675 _dbus_assert (sizeof (value) == 8);
677 swap_8_octets (&value, byte_order);
679 orig_len = _dbus_string_get_length (str);
681 retval = _dbus_string_insert_8_aligned (str, insert_at,
682 (const unsigned char *)&value);
685 *pos_after = insert_at + _dbus_string_get_length (str) - orig_len;
693 MARSHAL_AS_SIGNATURE,
694 MARSHAL_AS_BYTE_ARRAY
698 marshal_len_followed_by_bytes (int marshal_as,
701 const unsigned char *value,
702 int data_len, /* doesn't include nul if any */
707 DBusString value_str;
710 _dbus_assert (byte_order == DBUS_LITTLE_ENDIAN || byte_order == DBUS_BIG_ENDIAN);
711 if (insert_at > _dbus_string_get_length (str))
712 _dbus_warn ("insert_at = %d string len = %d data_len = %d\n",
713 insert_at, _dbus_string_get_length (str), data_len);
715 if (marshal_as == MARSHAL_AS_BYTE_ARRAY)
716 value_len = data_len;
718 value_len = data_len + 1; /* value has a nul */
720 _dbus_string_init_const_len (&value_str, value, value_len);
724 if (marshal_as == MARSHAL_AS_SIGNATURE)
726 _dbus_assert (data_len <= DBUS_MAXIMUM_SIGNATURE_LENGTH);
727 _dbus_assert (data_len <= 255); /* same as max sig len right now */
729 if (!_dbus_string_insert_byte (str, pos, data_len))
736 if (!marshal_4_octets (str, pos, data_len,
741 if (!_dbus_string_copy_len (&value_str, 0, value_len,
747 _dbus_assert (_dbus_string_equal_substring (&value_str, 0, value_len,
749 _dbus_verbose_bytes_of_string (str, pos, value_len);
760 /* Delete what we've inserted */
761 _dbus_string_delete (str, insert_at, pos - insert_at);
767 marshal_string (DBusString *str,
773 return marshal_len_followed_by_bytes (MARSHAL_AS_STRING,
774 str, insert_at, value,
776 byte_order, pos_after);
780 marshal_signature (DBusString *str,
785 return marshal_len_followed_by_bytes (MARSHAL_AS_SIGNATURE,
786 str, insert_at, value,
788 DBUS_COMPILER_BYTE_ORDER, /* irrelevant */
793 * Marshals a basic-typed value. The "value" pointer is always the
794 * address of a variable containing the basic type value.
795 * So for example for int32 it will be dbus_int32_t*, and
796 * for string it will be const char**. This is for symmetry
797 * with _dbus_marshal_read_basic() and to have a simple
800 * @param str string to marshal to
801 * @param insert_at where to insert the value
802 * @param type type of value
803 * @param value pointer to a variable containing the value
804 * @param byte_order byte order
805 * @param pos_after #NULL or the position after the type
806 * @returns #TRUE on success
809 _dbus_marshal_write_basic (DBusString *str,
816 const DBusBasicValue *vp;
818 _dbus_assert (dbus_type_is_basic (type));
825 if (!_dbus_string_insert_byte (str, insert_at, vp->byt))
828 *pos_after = insert_at + 1;
831 case DBUS_TYPE_INT16:
832 case DBUS_TYPE_UINT16:
833 return marshal_2_octets (str, insert_at, vp->u16,
834 byte_order, pos_after);
836 case DBUS_TYPE_BOOLEAN:
837 return marshal_4_octets (str, insert_at, vp->u32 != FALSE,
838 byte_order, pos_after);
840 case DBUS_TYPE_INT32:
841 case DBUS_TYPE_UINT32:
842 return marshal_4_octets (str, insert_at, vp->u32,
843 byte_order, pos_after);
845 case DBUS_TYPE_INT64:
846 case DBUS_TYPE_UINT64:
847 case DBUS_TYPE_DOUBLE:
848 return marshal_8_octets (str, insert_at, *vp, byte_order, pos_after);
851 case DBUS_TYPE_STRING:
852 case DBUS_TYPE_OBJECT_PATH:
853 _dbus_assert (vp->str != NULL);
854 return marshal_string (str, insert_at, vp->str, byte_order, pos_after);
856 case DBUS_TYPE_SIGNATURE:
857 _dbus_assert (vp->str != NULL);
858 return marshal_signature (str, insert_at, vp->str, pos_after);
861 _dbus_assert_not_reached ("not a basic type");
868 marshal_1_octets_array (DBusString *str,
870 const unsigned char *value,
876 DBusString value_str;
878 _dbus_string_init_const_len (&value_str, value, n_elements);
882 if (!_dbus_string_copy_len (&value_str, 0, n_elements,
895 * Swaps the elements of an array to the opposite byte order
897 * @param data start of array
898 * @param n_elements number of elements
899 * @param alignment size of each element
902 _dbus_swap_array (unsigned char *data,
909 _dbus_assert (_DBUS_ALIGN_ADDRESS (data, alignment) == data);
911 /* we use const_data and cast it off so DBusString can be a const string
912 * for the unit tests. don't ask.
915 end = d + (n_elements * alignment);
921 #ifdef DBUS_HAVE_INT64
922 *((dbus_uint64_t*)d) = DBUS_UINT64_SWAP_LE_BE (*((dbus_uint64_t*)d));
924 swap_8_bytes ((DBusBasicValue*) d);
929 else if (alignment == 4)
933 *((dbus_uint32_t*)d) = DBUS_UINT32_SWAP_LE_BE (*((dbus_uint32_t*)d));
939 _dbus_assert (alignment == 2);
943 *((dbus_uint16_t*)d) = DBUS_UINT16_SWAP_LE_BE (*((dbus_uint16_t*)d));
950 swap_array (DBusString *str,
956 _dbus_assert (_DBUS_ALIGN_VALUE (array_start, alignment) == (unsigned) array_start);
958 if (byte_order != DBUS_COMPILER_BYTE_ORDER)
960 /* we use const_data and cast it off so DBusString can be a const string
961 * for the unit tests. don't ask.
963 _dbus_swap_array ((unsigned char*) (_dbus_string_get_const_data (str) + array_start),
964 n_elements, alignment);
969 marshal_fixed_multi (DBusString *str,
971 const DBusBasicValue *value,
982 _dbus_assert (n_elements <= DBUS_MAXIMUM_ARRAY_LENGTH / alignment);
984 old_string_len = _dbus_string_get_length (str);
986 len_in_bytes = n_elements * alignment;
987 array_start = insert_at;
989 /* Note that we do alignment padding unconditionally
990 * even if the array is empty; this means that
991 * padding + len is always equal to the number of bytes
995 if (!_dbus_string_insert_alignment (str, &array_start, alignment))
998 _dbus_string_init_const_len (&t,
999 (const unsigned char*) value,
1002 if (!_dbus_string_copy (&t, 0,
1006 swap_array (str, array_start, n_elements, byte_order, alignment);
1009 *pos_after = array_start + len_in_bytes;
1014 _dbus_string_delete (str, insert_at,
1015 _dbus_string_get_length (str) - old_string_len);
1021 * Marshals a block of values of fixed-length type all at once, as an
1022 * optimization. dbus_type_is_fixed() returns #TRUE for fixed-length
1023 * types, which are the basic types minus the string-like types.
1025 * The value argument should be the adddress of an
1026 * array, so e.g. "const dbus_uint32_t**"
1028 * @param str string to marshal to
1029 * @param insert_at where to insert the value
1030 * @param element_type type of array elements
1031 * @param value address of an array to marshal
1032 * @param n_elements number of elements in the array
1033 * @param byte_order byte order
1034 * @param pos_after #NULL or the position after the type
1035 * @returns #TRUE on success
1038 _dbus_marshal_write_fixed_multi (DBusString *str,
1046 const void* vp = *(const DBusBasicValue**)value;
1048 _dbus_assert (dbus_type_is_fixed (element_type));
1049 _dbus_assert (n_elements >= 0);
1052 _dbus_verbose ("writing %d elements of %s\n",
1053 n_elements, _dbus_type_to_string (element_type));
1056 switch (element_type)
1058 case DBUS_TYPE_BYTE:
1059 return marshal_1_octets_array (str, insert_at, vp, n_elements, byte_order, pos_after);
1061 case DBUS_TYPE_INT16:
1062 case DBUS_TYPE_UINT16:
1063 return marshal_fixed_multi (str, insert_at, vp, n_elements, byte_order, 2, pos_after);
1064 /* FIXME: we canonicalize to 0 or 1 for the single boolean case
1065 * should we here too ? */
1066 case DBUS_TYPE_BOOLEAN:
1067 case DBUS_TYPE_INT32:
1068 case DBUS_TYPE_UINT32:
1069 return marshal_fixed_multi (str, insert_at, vp, n_elements, byte_order, 4, pos_after);
1071 case DBUS_TYPE_INT64:
1072 case DBUS_TYPE_UINT64:
1073 case DBUS_TYPE_DOUBLE:
1074 return marshal_fixed_multi (str, insert_at, vp, n_elements, byte_order, 8, pos_after);
1078 _dbus_assert_not_reached ("non fixed type in array write");
1087 * Skips over a basic-typed value, reporting the following position.
1089 * @param str the string containing the data
1090 * @param type type of value to read
1091 * @param byte_order the byte order
1092 * @param pos pointer to position in the string,
1093 * updated on return to new position
1096 _dbus_marshal_skip_basic (const DBusString *str,
1101 _dbus_assert (byte_order == DBUS_LITTLE_ENDIAN ||
1102 byte_order == DBUS_BIG_ENDIAN);
1106 case DBUS_TYPE_BYTE:
1109 case DBUS_TYPE_INT16:
1110 case DBUS_TYPE_UINT16:
1111 *pos = _DBUS_ALIGN_VALUE (*pos, 2);
1114 case DBUS_TYPE_BOOLEAN:
1115 case DBUS_TYPE_INT32:
1116 case DBUS_TYPE_UINT32:
1117 *pos = _DBUS_ALIGN_VALUE (*pos, 4);
1120 case DBUS_TYPE_INT64:
1121 case DBUS_TYPE_UINT64:
1122 case DBUS_TYPE_DOUBLE:
1123 *pos = _DBUS_ALIGN_VALUE (*pos, 8);
1126 case DBUS_TYPE_STRING:
1127 case DBUS_TYPE_OBJECT_PATH:
1131 len = _dbus_marshal_read_uint32 (str, *pos, byte_order, pos);
1133 *pos += len + 1; /* length plus nul */
1136 case DBUS_TYPE_SIGNATURE:
1140 len = _dbus_string_get_byte (str, *pos);
1142 *pos += len + 2; /* length byte plus length plus nul */
1146 _dbus_warn ("type %s not a basic type\n",
1147 _dbus_type_to_string (type));
1148 _dbus_assert_not_reached ("not a basic type");
1154 * Skips an array, returning the next position.
1156 * @param str the string containing the data
1157 * @param element_type the type of array elements
1158 * @param byte_order the byte order
1159 * @param pos pointer to position in the string,
1160 * updated on return to new position
1163 _dbus_marshal_skip_array (const DBusString *str,
1168 dbus_uint32_t array_len;
1172 i = _DBUS_ALIGN_VALUE (*pos, 4);
1174 array_len = _dbus_marshal_read_uint32 (str, i, byte_order, &i);
1176 alignment = _dbus_type_get_alignment (element_type);
1178 i = _DBUS_ALIGN_VALUE (i, alignment);
1180 *pos = i + array_len;
1184 * Gets the alignment requirement for the given type;
1185 * will be 1, 4, or 8.
1187 * @param typecode the type
1188 * @returns alignment of 1, 4, or 8
1191 _dbus_type_get_alignment (int typecode)
1195 case DBUS_TYPE_BYTE:
1196 case DBUS_TYPE_VARIANT:
1197 case DBUS_TYPE_SIGNATURE:
1199 case DBUS_TYPE_INT16:
1200 case DBUS_TYPE_UINT16:
1202 case DBUS_TYPE_BOOLEAN:
1203 case DBUS_TYPE_INT32:
1204 case DBUS_TYPE_UINT32:
1205 /* this stuff is 4 since it starts with a length */
1206 case DBUS_TYPE_STRING:
1207 case DBUS_TYPE_OBJECT_PATH:
1208 case DBUS_TYPE_ARRAY:
1210 case DBUS_TYPE_INT64:
1211 case DBUS_TYPE_UINT64:
1212 case DBUS_TYPE_DOUBLE:
1213 /* struct is 8 since it could contain an 8-aligned item
1214 * and it's simpler to just always align structs to 8;
1215 * we want the amount of padding in a struct of a given
1216 * type to be predictable, not location-dependent.
1217 * DICT_ENTRY is always the same as struct.
1219 case DBUS_TYPE_STRUCT:
1220 case DBUS_TYPE_DICT_ENTRY:
1224 _dbus_assert_not_reached ("unknown typecode in _dbus_type_get_alignment()");
1231 * Return #TRUE if the typecode is a valid typecode.
1232 * #DBUS_TYPE_INVALID surprisingly enough is not considered valid, and
1233 * random unknown bytes aren't either. This function is safe with
1236 * @returns #TRUE if valid
1239 _dbus_type_is_valid (int typecode)
1243 case DBUS_TYPE_BYTE:
1244 case DBUS_TYPE_BOOLEAN:
1245 case DBUS_TYPE_INT16:
1246 case DBUS_TYPE_UINT16:
1247 case DBUS_TYPE_INT32:
1248 case DBUS_TYPE_UINT32:
1249 case DBUS_TYPE_INT64:
1250 case DBUS_TYPE_UINT64:
1251 case DBUS_TYPE_DOUBLE:
1252 case DBUS_TYPE_STRING:
1253 case DBUS_TYPE_OBJECT_PATH:
1254 case DBUS_TYPE_SIGNATURE:
1255 case DBUS_TYPE_ARRAY:
1256 case DBUS_TYPE_STRUCT:
1257 case DBUS_TYPE_DICT_ENTRY:
1258 case DBUS_TYPE_VARIANT:
1267 * Returns a string describing the given type.
1269 * @param typecode the type to describe
1270 * @returns a constant string describing the type
1273 _dbus_type_to_string (int typecode)
1277 case DBUS_TYPE_INVALID:
1279 case DBUS_TYPE_BOOLEAN:
1281 case DBUS_TYPE_BYTE:
1283 case DBUS_TYPE_INT16:
1285 case DBUS_TYPE_UINT16:
1287 case DBUS_TYPE_INT32:
1289 case DBUS_TYPE_UINT32:
1291 case DBUS_TYPE_INT64:
1293 case DBUS_TYPE_UINT64:
1295 case DBUS_TYPE_DOUBLE:
1297 case DBUS_TYPE_STRING:
1299 case DBUS_TYPE_OBJECT_PATH:
1300 return "object_path";
1301 case DBUS_TYPE_SIGNATURE:
1303 case DBUS_TYPE_STRUCT:
1305 case DBUS_TYPE_DICT_ENTRY:
1306 return "dict_entry";
1307 case DBUS_TYPE_ARRAY:
1309 case DBUS_TYPE_VARIANT:
1311 case DBUS_STRUCT_BEGIN_CHAR:
1312 return "begin_struct";
1313 case DBUS_STRUCT_END_CHAR:
1314 return "end_struct";
1315 case DBUS_DICT_ENTRY_BEGIN_CHAR:
1316 return "begin_dict_entry";
1317 case DBUS_DICT_ENTRY_END_CHAR:
1318 return "end_dict_entry";
1325 * If in verbose mode, print a block of binary data.
1327 * @param data the data
1328 * @param len the length of the data
1329 * @param offset where to start counting for byte indexes
1332 _dbus_verbose_bytes (const unsigned char *data,
1337 const unsigned char *aligned;
1339 _dbus_assert (len >= 0);
1341 if (!_dbus_is_verbose())
1344 /* Print blanks on first row if appropriate */
1345 aligned = _DBUS_ALIGN_ADDRESS (data, 4);
1348 _dbus_assert (aligned <= data);
1350 if (aligned != data)
1352 _dbus_verbose ("%4ld\t%p: ", - (long)(data - aligned), aligned);
1353 while (aligned != data)
1355 _dbus_verbose (" ");
1360 /* now print the bytes */
1364 if (_DBUS_ALIGN_ADDRESS (&data[i], 4) == &data[i])
1366 _dbus_verbose ("%4d\t%p: ",
1367 offset + i, &data[i]);
1370 if (data[i] >= 32 &&
1372 _dbus_verbose (" '%c' ", data[i]);
1374 _dbus_verbose ("0x%s%x ",
1375 data[i] <= 0xf ? "0" : "", data[i]);
1379 if (_DBUS_ALIGN_ADDRESS (&data[i], 4) == &data[i])
1382 _dbus_verbose ("BE: %d LE: %d",
1383 _dbus_unpack_uint32 (DBUS_BIG_ENDIAN, &data[i-4]),
1384 _dbus_unpack_uint32 (DBUS_LITTLE_ENDIAN, &data[i-4]));
1387 _DBUS_ALIGN_ADDRESS (&data[i], 8) == &data[i])
1389 #ifdef DBUS_INT64_PRINTF_MODIFIER
1390 _dbus_verbose (" u64: 0x%" DBUS_INT64_PRINTF_MODIFIER "x",
1391 *(dbus_uint64_t*)&data[i-8]);
1393 _dbus_verbose (" dbl: %g",
1394 *(double*)&data[i-8]);
1397 _dbus_verbose ("\n");
1401 _dbus_verbose ("\n");
1405 * Dump the given part of the string to verbose log.
1407 * @param str the string
1408 * @param start the start of range to dump
1409 * @param len length of range
1412 _dbus_verbose_bytes_of_string (const DBusString *str,
1419 real_len = _dbus_string_get_length (str);
1421 _dbus_assert (start >= 0);
1423 if (start > real_len)
1425 _dbus_verbose (" [%d,%d) is not inside string of length %d\n",
1426 start, len, real_len);
1430 if ((start + len) > real_len)
1432 _dbus_verbose (" [%d,%d) extends outside string of length %d\n",
1433 start, len, real_len);
1434 len = real_len - start;
1437 d = _dbus_string_get_const_data_len (str, start, len);
1439 _dbus_verbose_bytes (d, len, start);
1443 map_type_char_to_type (int t)
1445 if (t == DBUS_STRUCT_BEGIN_CHAR)
1446 return DBUS_TYPE_STRUCT;
1447 else if (t == DBUS_DICT_ENTRY_BEGIN_CHAR)
1448 return DBUS_TYPE_DICT_ENTRY;
1451 _dbus_assert (t != DBUS_STRUCT_END_CHAR);
1452 _dbus_assert (t != DBUS_DICT_ENTRY_END_CHAR);
1458 * Get the first type in the signature. The difference between this
1459 * and just getting the first byte of the signature is that you won't
1460 * get DBUS_STRUCT_BEGIN_CHAR, you'll get DBUS_TYPE_STRUCT
1463 * @param str string containing signature
1464 * @param pos where the signature starts
1465 * @returns the first type in the signature
1468 _dbus_first_type_in_signature (const DBusString *str,
1471 return map_type_char_to_type (_dbus_string_get_byte (str, pos));
1475 * Similar to #_dbus_first_type_in_signature, but operates
1476 * on a C string buffer.
1478 * @param str a C string buffer
1479 * @param pos where the signature starts
1480 * @returns the first type in the signature
1483 _dbus_first_type_in_signature_c_str (const char *str,
1486 return map_type_char_to_type (str[pos]);
1491 #ifdef DBUS_BUILD_TESTS
1492 #include "dbus-test.h"
1496 * Reads a block of fixed-length basic values, as an optimization
1497 * vs. reading each one individually into a new buffer.
1499 * This function returns the data in-place; it does not make a copy,
1500 * and it does not swap the bytes.
1502 * If you ask for #DBUS_TYPE_DOUBLE you will get a "const double*" back
1503 * and the "value" argument should be a "const double**" and so on.
1505 * @param str the string to read from
1506 * @param pos position to read from
1507 * @param element_type type of array elements
1508 * @param value place to return the array
1509 * @param n_elements number of array elements to read
1510 * @param byte_order the byte order, used to read the array length
1511 * @param new_pos #NULL or location to store a position after the elements
1514 _dbus_marshal_read_fixed_multi (const DBusString *str,
1525 _dbus_assert (dbus_type_is_fixed (element_type));
1526 _dbus_assert (dbus_type_is_basic (element_type));
1529 _dbus_verbose ("reading %d elements of %s\n",
1530 n_elements, _dbus_type_to_string (element_type));
1533 alignment = _dbus_type_get_alignment (element_type);
1535 pos = _DBUS_ALIGN_VALUE (pos, alignment);
1537 array_len = n_elements * alignment;
1539 *(const DBusBasicValue**) value = (void*) _dbus_string_get_const_data_len (str, pos, array_len);
1541 *new_pos = pos + array_len;
1545 swap_test_array (void *array,
1555 _dbus_string_init_const_len (&t, array, len_bytes);
1556 swap_array (&t, 0, len_bytes / alignment, byte_order, alignment);
1559 #define MARSHAL_BASIC(typename, byte_order, literal) \
1561 v_##typename = literal; \
1562 if (!_dbus_marshal_write_basic (&str, pos, DBUS_TYPE_##typename, \
1564 byte_order, NULL)) \
1565 _dbus_assert_not_reached ("no memory"); \
1568 #define DEMARSHAL_BASIC(typename, byte_order) \
1570 _dbus_marshal_read_basic (&str, pos, DBUS_TYPE_##typename, &v_##typename, \
1571 byte_order, &pos); \
1574 #define DEMARSHAL_BASIC_AND_CHECK(typename, byte_order, literal) \
1576 DEMARSHAL_BASIC (typename, byte_order); \
1577 if (literal != v_##typename) \
1579 _dbus_verbose_bytes_of_string (&str, dump_pos, \
1580 _dbus_string_get_length (&str) - dump_pos); \
1581 _dbus_assert_not_reached ("demarshaled wrong value"); \
1585 #define MARSHAL_TEST(typename, byte_order, literal) \
1587 MARSHAL_BASIC (typename, byte_order, literal); \
1589 DEMARSHAL_BASIC_AND_CHECK (typename, byte_order, literal); \
1592 #define MARSHAL_TEST_STRCMP(typename, byte_order, literal) \
1594 MARSHAL_BASIC (typename, byte_order, literal); \
1596 DEMARSHAL_BASIC (typename, byte_order); \
1597 if (strcmp (literal, v_##typename) != 0) \
1599 _dbus_verbose_bytes_of_string (&str, dump_pos, \
1600 _dbus_string_get_length (&str) - dump_pos); \
1601 _dbus_warn ("literal '%s'\nvalue '%s'\n", literal, v_##typename); \
1602 _dbus_assert_not_reached ("demarshaled wrong value"); \
1606 #define MARSHAL_FIXED_ARRAY(typename, byte_order, literal) \
1609 v_UINT32 = sizeof(literal); \
1610 if (!_dbus_marshal_write_basic (&str, pos, DBUS_TYPE_UINT32, &v_UINT32, \
1611 byte_order, &next)) \
1612 _dbus_assert_not_reached ("no memory"); \
1613 v_ARRAY_##typename = literal; \
1614 if (!_dbus_marshal_write_fixed_multi (&str, next, DBUS_TYPE_##typename, \
1615 &v_ARRAY_##typename, _DBUS_N_ELEMENTS(literal), \
1616 byte_order, NULL)) \
1617 _dbus_assert_not_reached ("no memory"); \
1620 #define DEMARSHAL_FIXED_ARRAY(typename, byte_order) \
1623 alignment = _dbus_type_get_alignment (DBUS_TYPE_##typename); \
1624 v_UINT32 = _dbus_marshal_read_uint32 (&str, dump_pos, byte_order, &next); \
1625 _dbus_marshal_read_fixed_multi (&str, next, DBUS_TYPE_##typename, &v_ARRAY_##typename, \
1626 v_UINT32/alignment, \
1627 byte_order, NULL); \
1628 swap_test_array (v_ARRAY_##typename, v_UINT32, \
1629 byte_order, alignment); \
1632 #define DEMARSHAL_FIXED_ARRAY_AND_CHECK(typename, byte_order, literal) \
1634 DEMARSHAL_FIXED_ARRAY (typename, byte_order); \
1635 if (memcmp (literal, v_ARRAY_##typename, sizeof (literal) != 0)) \
1637 _dbus_verbose ("MARSHALED DATA\n"); \
1638 _dbus_verbose_bytes_of_string (&str, dump_pos, \
1639 _dbus_string_get_length (&str) - dump_pos); \
1640 _dbus_verbose ("LITERAL DATA\n"); \
1641 _dbus_verbose_bytes ((char*)literal, sizeof (literal), 0); \
1642 _dbus_verbose ("READ DATA\n"); \
1643 _dbus_verbose_bytes ((char*)v_ARRAY_##typename, sizeof (literal), 0); \
1644 _dbus_assert_not_reached ("demarshaled wrong fixed array value"); \
1648 #define MARSHAL_TEST_FIXED_ARRAY(typename, byte_order, literal) \
1650 MARSHAL_FIXED_ARRAY (typename, byte_order, literal); \
1652 DEMARSHAL_FIXED_ARRAY_AND_CHECK (typename, byte_order, literal); \
1656 _dbus_marshal_test (void)
1661 unsigned char array1[5] = { 3, 4, 0, 1, 9 };
1662 dbus_int16_t array2[3] = { 124, 457, 780 };
1663 dbus_int32_t array4[3] = { 123, 456, 789 };
1664 #ifdef DBUS_HAVE_INT64
1665 dbus_int64_t array8[3] = { DBUS_INT64_CONSTANT (0x123ffffffff),
1666 DBUS_INT64_CONSTANT (0x456ffffffff),
1667 DBUS_INT64_CONSTANT (0x789ffffffff) };
1668 dbus_int64_t *v_ARRAY_INT64;
1670 unsigned char *v_ARRAY_BYTE;
1671 dbus_int16_t *v_ARRAY_INT16;
1672 dbus_uint16_t *v_ARRAY_UINT16;
1673 dbus_int32_t *v_ARRAY_INT32;
1674 dbus_uint32_t *v_ARRAY_UINT32;
1678 dbus_int16_t v_INT16;
1679 dbus_uint16_t v_UINT16;
1680 dbus_int32_t v_INT32;
1681 dbus_uint32_t v_UINT32;
1682 dbus_int64_t v_INT64;
1683 dbus_uint64_t v_UINT64;
1684 unsigned char v_BYTE;
1685 dbus_bool_t v_BOOLEAN;
1686 const char *v_STRING;
1687 const char *v_SIGNATURE;
1688 const char *v_OBJECT_PATH;
1691 if (!_dbus_string_init (&str))
1692 _dbus_assert_not_reached ("failed to init string");
1696 /* Marshal doubles */
1697 MARSHAL_BASIC (DOUBLE, DBUS_BIG_ENDIAN, 3.14);
1698 DEMARSHAL_BASIC (DOUBLE, DBUS_BIG_ENDIAN);
1700 if (!_DBUS_DOUBLES_BITWISE_EQUAL (t_DOUBLE, v_DOUBLE))
1701 _dbus_assert_not_reached ("got wrong double value");
1703 MARSHAL_BASIC (DOUBLE, DBUS_LITTLE_ENDIAN, 3.14);
1704 DEMARSHAL_BASIC (DOUBLE, DBUS_LITTLE_ENDIAN);
1706 if (!_DBUS_DOUBLES_BITWISE_EQUAL (t_DOUBLE, v_DOUBLE))
1707 _dbus_assert_not_reached ("got wrong double value");
1709 /* Marshal signed 16 integers */
1710 MARSHAL_TEST (INT16, DBUS_BIG_ENDIAN, -12345);
1711 MARSHAL_TEST (INT16, DBUS_LITTLE_ENDIAN, -12345);
1713 /* Marshal unsigned 16 integers */
1714 MARSHAL_TEST (UINT16, DBUS_BIG_ENDIAN, 0x1234);
1715 MARSHAL_TEST (UINT16, DBUS_LITTLE_ENDIAN, 0x1234);
1717 /* Marshal signed integers */
1718 MARSHAL_TEST (INT32, DBUS_BIG_ENDIAN, -12345678);
1719 MARSHAL_TEST (INT32, DBUS_LITTLE_ENDIAN, -12345678);
1721 /* Marshal unsigned integers */
1722 MARSHAL_TEST (UINT32, DBUS_BIG_ENDIAN, 0x12345678);
1723 MARSHAL_TEST (UINT32, DBUS_LITTLE_ENDIAN, 0x12345678);
1725 #ifdef DBUS_HAVE_INT64
1726 /* Marshal signed integers */
1727 MARSHAL_TEST (INT64, DBUS_BIG_ENDIAN, DBUS_INT64_CONSTANT (-0x123456789abc7));
1728 MARSHAL_TEST (INT64, DBUS_LITTLE_ENDIAN, DBUS_INT64_CONSTANT (-0x123456789abc7));
1730 /* Marshal unsigned integers */
1731 MARSHAL_TEST (UINT64, DBUS_BIG_ENDIAN, DBUS_UINT64_CONSTANT (0x123456789abc7));
1732 MARSHAL_TEST (UINT64, DBUS_LITTLE_ENDIAN, DBUS_UINT64_CONSTANT (0x123456789abc7));
1733 #endif /* DBUS_HAVE_INT64 */
1736 MARSHAL_TEST (BYTE, DBUS_BIG_ENDIAN, 5);
1737 MARSHAL_TEST (BYTE, DBUS_LITTLE_ENDIAN, 5);
1739 /* Marshal all possible bools! */
1740 MARSHAL_TEST (BOOLEAN, DBUS_BIG_ENDIAN, FALSE);
1741 MARSHAL_TEST (BOOLEAN, DBUS_LITTLE_ENDIAN, FALSE);
1742 MARSHAL_TEST (BOOLEAN, DBUS_BIG_ENDIAN, TRUE);
1743 MARSHAL_TEST (BOOLEAN, DBUS_LITTLE_ENDIAN, TRUE);
1745 /* Marshal strings */
1746 MARSHAL_TEST_STRCMP (STRING, DBUS_BIG_ENDIAN, "");
1747 MARSHAL_TEST_STRCMP (STRING, DBUS_LITTLE_ENDIAN, "");
1748 MARSHAL_TEST_STRCMP (STRING, DBUS_BIG_ENDIAN, "This is the dbus test string");
1749 MARSHAL_TEST_STRCMP (STRING, DBUS_LITTLE_ENDIAN, "This is the dbus test string");
1752 MARSHAL_TEST_STRCMP (OBJECT_PATH, DBUS_BIG_ENDIAN, "/a/b/c");
1753 MARSHAL_TEST_STRCMP (OBJECT_PATH, DBUS_LITTLE_ENDIAN, "/a/b/c");
1756 MARSHAL_TEST_STRCMP (SIGNATURE, DBUS_BIG_ENDIAN, "");
1757 MARSHAL_TEST_STRCMP (SIGNATURE, DBUS_LITTLE_ENDIAN, "");
1758 MARSHAL_TEST_STRCMP (SIGNATURE, DBUS_BIG_ENDIAN, "a(ii)");
1759 MARSHAL_TEST_STRCMP (SIGNATURE, DBUS_LITTLE_ENDIAN, "a(ii)");
1762 MARSHAL_TEST_FIXED_ARRAY (INT16, DBUS_BIG_ENDIAN, array2);
1763 MARSHAL_TEST_FIXED_ARRAY (INT16, DBUS_LITTLE_ENDIAN, array2);
1764 MARSHAL_TEST_FIXED_ARRAY (UINT16, DBUS_BIG_ENDIAN, array2);
1765 MARSHAL_TEST_FIXED_ARRAY (UINT16, DBUS_LITTLE_ENDIAN, array2);
1767 MARSHAL_TEST_FIXED_ARRAY (INT32, DBUS_BIG_ENDIAN, array4);
1768 MARSHAL_TEST_FIXED_ARRAY (INT32, DBUS_LITTLE_ENDIAN, array4);
1769 MARSHAL_TEST_FIXED_ARRAY (UINT32, DBUS_BIG_ENDIAN, array4);
1770 MARSHAL_TEST_FIXED_ARRAY (UINT32, DBUS_LITTLE_ENDIAN, array4);
1772 MARSHAL_TEST_FIXED_ARRAY (BYTE, DBUS_BIG_ENDIAN, array1);
1773 MARSHAL_TEST_FIXED_ARRAY (BYTE, DBUS_LITTLE_ENDIAN, array1);
1775 #ifdef DBUS_HAVE_INT64
1776 MARSHAL_TEST_FIXED_ARRAY (INT64, DBUS_BIG_ENDIAN, array8);
1777 MARSHAL_TEST_FIXED_ARRAY (INT64, DBUS_LITTLE_ENDIAN, array8);
1783 * FIXME restore the set/pack tests
1786 #ifdef DBUS_HAVE_INT64
1787 /* set/pack 64-bit integers */
1788 _dbus_string_set_length (&str, 8);
1791 _dbus_marshal_set_int64 (&str, DBUS_LITTLE_ENDIAN,
1792 0, DBUS_INT64_CONSTANT (-0x123456789abc7));
1794 _dbus_assert (DBUS_INT64_CONSTANT (-0x123456789abc7) ==
1795 _dbus_unpack_int64 (DBUS_LITTLE_ENDIAN,
1796 _dbus_string_get_const_data (&str)));
1799 _dbus_marshal_set_int64 (&str, DBUS_BIG_ENDIAN,
1800 0, DBUS_INT64_CONSTANT (-0x123456789abc7));
1802 _dbus_assert (DBUS_INT64_CONSTANT (-0x123456789abc7) ==
1803 _dbus_unpack_int64 (DBUS_BIG_ENDIAN,
1804 _dbus_string_get_const_data (&str)));
1806 /* signed little pack */
1807 _dbus_pack_int64 (DBUS_INT64_CONSTANT (-0x123456789abc7),
1809 _dbus_string_get_data (&str));
1811 _dbus_assert (DBUS_INT64_CONSTANT (-0x123456789abc7) ==
1812 _dbus_unpack_int64 (DBUS_LITTLE_ENDIAN,
1813 _dbus_string_get_const_data (&str)));
1815 /* signed big pack */
1816 _dbus_pack_int64 (DBUS_INT64_CONSTANT (-0x123456789abc7),
1818 _dbus_string_get_data (&str));
1820 _dbus_assert (DBUS_INT64_CONSTANT (-0x123456789abc7) ==
1821 _dbus_unpack_int64 (DBUS_BIG_ENDIAN,
1822 _dbus_string_get_const_data (&str)));
1824 /* unsigned little */
1825 _dbus_marshal_set_uint64 (&str, DBUS_LITTLE_ENDIAN,
1826 0, DBUS_UINT64_CONSTANT (0x123456789abc7));
1828 _dbus_assert (DBUS_UINT64_CONSTANT (0x123456789abc7) ==
1829 _dbus_unpack_uint64 (DBUS_LITTLE_ENDIAN,
1830 _dbus_string_get_const_data (&str)));
1833 _dbus_marshal_set_uint64 (&str, DBUS_BIG_ENDIAN,
1834 0, DBUS_UINT64_CONSTANT (0x123456789abc7));
1836 _dbus_assert (DBUS_UINT64_CONSTANT (0x123456789abc7) ==
1837 _dbus_unpack_uint64 (DBUS_BIG_ENDIAN,
1838 _dbus_string_get_const_data (&str)));
1840 /* unsigned little pack */
1841 _dbus_pack_uint64 (DBUS_UINT64_CONSTANT (0x123456789abc7),
1843 _dbus_string_get_data (&str));
1845 _dbus_assert (DBUS_UINT64_CONSTANT (0x123456789abc7) ==
1846 _dbus_unpack_uint64 (DBUS_LITTLE_ENDIAN,
1847 _dbus_string_get_const_data (&str)));
1849 /* unsigned big pack */
1850 _dbus_pack_uint64 (DBUS_UINT64_CONSTANT (0x123456789abc7),
1852 _dbus_string_get_data (&str));
1854 _dbus_assert (DBUS_UINT64_CONSTANT (0x123456789abc7) ==
1855 _dbus_unpack_uint64 (DBUS_BIG_ENDIAN,
1856 _dbus_string_get_const_data (&str)));
1857 #endif /* DBUS_HAVE_INT64 */
1859 /* set/pack 32-bit integers */
1860 _dbus_string_set_length (&str, 4);
1863 _dbus_marshal_set_int32 (&str, DBUS_LITTLE_ENDIAN,
1866 _dbus_assert (-0x123456 ==
1867 _dbus_unpack_int32 (DBUS_LITTLE_ENDIAN,
1868 _dbus_string_get_const_data (&str)));
1871 _dbus_marshal_set_int32 (&str, DBUS_BIG_ENDIAN,
1874 _dbus_assert (-0x123456 ==
1875 _dbus_unpack_int32 (DBUS_BIG_ENDIAN,
1876 _dbus_string_get_const_data (&str)));
1878 /* signed little pack */
1879 _dbus_pack_int32 (-0x123456,
1881 _dbus_string_get_data (&str));
1883 _dbus_assert (-0x123456 ==
1884 _dbus_unpack_int32 (DBUS_LITTLE_ENDIAN,
1885 _dbus_string_get_const_data (&str)));
1887 /* signed big pack */
1888 _dbus_pack_int32 (-0x123456,
1890 _dbus_string_get_data (&str));
1892 _dbus_assert (-0x123456 ==
1893 _dbus_unpack_int32 (DBUS_BIG_ENDIAN,
1894 _dbus_string_get_const_data (&str)));
1896 /* unsigned little */
1897 _dbus_marshal_set_uint32 (&str,
1899 DBUS_LITTLE_ENDIAN);
1901 _dbus_assert (0x123456 ==
1902 _dbus_unpack_uint32 (DBUS_LITTLE_ENDIAN,
1903 _dbus_string_get_const_data (&str)));
1906 _dbus_marshal_set_uint32 (&str,
1910 _dbus_assert (0x123456 ==
1911 _dbus_unpack_uint32 (DBUS_BIG_ENDIAN,
1912 _dbus_string_get_const_data (&str)));
1914 /* unsigned little pack */
1915 _dbus_pack_uint32 (0x123456,
1917 _dbus_string_get_data (&str));
1919 _dbus_assert (0x123456 ==
1920 _dbus_unpack_uint32 (DBUS_LITTLE_ENDIAN,
1921 _dbus_string_get_const_data (&str)));
1923 /* unsigned big pack */
1924 _dbus_pack_uint32 (0x123456,
1926 _dbus_string_get_data (&str));
1928 _dbus_assert (0x123456 ==
1929 _dbus_unpack_uint32 (DBUS_BIG_ENDIAN,
1930 _dbus_string_get_const_data (&str)));
1932 #endif /* set/pack tests for integers */
1934 /* Strings in-place set */
1935 byte_order = DBUS_LITTLE_ENDIAN;
1939 _dbus_string_set_length (&str, 0);
1941 /* reset pos for the macros */
1944 MARSHAL_TEST_STRCMP (STRING, byte_order, "Hello world");
1946 /* Set it to something longer */
1947 _dbus_string_init_const (&t, "Hello world foo");
1949 v_STRING = _dbus_string_get_const_data (&t);
1950 _dbus_marshal_set_basic (&str, 0, DBUS_TYPE_STRING,
1951 &v_STRING, byte_order, NULL, NULL);
1953 _dbus_marshal_read_basic (&str, 0, DBUS_TYPE_STRING,
1954 &v_STRING, byte_order,
1956 _dbus_assert (strcmp (v_STRING, "Hello world foo") == 0);
1958 /* Set it to something shorter */
1959 _dbus_string_init_const (&t, "Hello");
1961 v_STRING = _dbus_string_get_const_data (&t);
1962 _dbus_marshal_set_basic (&str, 0, DBUS_TYPE_STRING,
1963 &v_STRING, byte_order, NULL, NULL);
1964 _dbus_marshal_read_basic (&str, 0, DBUS_TYPE_STRING,
1965 &v_STRING, byte_order,
1967 _dbus_assert (strcmp (v_STRING, "Hello") == 0);
1969 /* Do the other byte order */
1970 if (byte_order == DBUS_LITTLE_ENDIAN)
1971 byte_order = DBUS_BIG_ENDIAN;
1977 _dbus_string_free (&str);
1982 #endif /* DBUS_BUILD_TESTS */