27 #ifndef DBUS_MARSHAL_BASIC_H
28 #define DBUS_MARSHAL_BASIC_H
30 #ifdef HAVE_BYTESWAP_H
34 #include <dbus/dbus-protocol.h>
35 #include <dbus/dbus-types.h>
36 #include <dbus/dbus-arch-deps.h>
37 #include <dbus/dbus-string.h>
39 #ifdef WORDS_BIGENDIAN
40 #define DBUS_COMPILER_BYTE_ORDER DBUS_BIG_ENDIAN
42 #define DBUS_COMPILER_BYTE_ORDER DBUS_LITTLE_ENDIAN
45 #ifdef HAVE_BYTESWAP_H
46 #define DBUS_UINT16_SWAP_LE_BE_CONSTANT(val) bswap_16(val)
47 #define DBUS_UINT32_SWAP_LE_BE_CONSTANT(val) bswap_32(val)
50 #define DBUS_UINT16_SWAP_LE_BE_CONSTANT(val) ((dbus_uint16_t) ( \
51 (dbus_uint16_t) ((dbus_uint16_t) (val) >> 8) | \
52 (dbus_uint16_t) ((dbus_uint16_t) (val) << 8)))
54 #define DBUS_UINT32_SWAP_LE_BE_CONSTANT(val) ((dbus_uint32_t) ( \
55 (((dbus_uint32_t) (val) & (dbus_uint32_t) 0x000000ffU) << 24) | \
56 (((dbus_uint32_t) (val) & (dbus_uint32_t) 0x0000ff00U) << 8) | \
57 (((dbus_uint32_t) (val) & (dbus_uint32_t) 0x00ff0000U) >> 8) | \
58 (((dbus_uint32_t) (val) & (dbus_uint32_t) 0xff000000U) >> 24)))
62 #ifdef HAVE_BYTESWAP_H
63 #define DBUS_UINT64_SWAP_LE_BE_CONSTANT(val) bswap_64(val)
66 #define DBUS_UINT64_SWAP_LE_BE_CONSTANT(val) ((dbus_uint64_t) ( \
67 (((dbus_uint64_t) (val) & \
68 (dbus_uint64_t) DBUS_UINT64_CONSTANT (0x00000000000000ff)) << 56) | \
69 (((dbus_uint64_t) (val) & \
70 (dbus_uint64_t) DBUS_UINT64_CONSTANT (0x000000000000ff00)) << 40) | \
71 (((dbus_uint64_t) (val) & \
72 (dbus_uint64_t) DBUS_UINT64_CONSTANT (0x0000000000ff0000)) << 24) | \
73 (((dbus_uint64_t) (val) & \
74 (dbus_uint64_t) DBUS_UINT64_CONSTANT (0x00000000ff000000)) << 8) | \
75 (((dbus_uint64_t) (val) & \
76 (dbus_uint64_t) DBUS_UINT64_CONSTANT (0x000000ff00000000)) >> 8) | \
77 (((dbus_uint64_t) (val) & \
78 (dbus_uint64_t) DBUS_UINT64_CONSTANT (0x0000ff0000000000)) >> 24) | \
79 (((dbus_uint64_t) (val) & \
80 (dbus_uint64_t) DBUS_UINT64_CONSTANT (0x00ff000000000000)) >> 40) | \
81 (((dbus_uint64_t) (val) & \
82 (dbus_uint64_t) DBUS_UINT64_CONSTANT (0xff00000000000000)) >> 56)))
86 #define DBUS_UINT16_SWAP_LE_BE(val) (DBUS_UINT16_SWAP_LE_BE_CONSTANT (val))
87 #define DBUS_INT16_SWAP_LE_BE(val) ((dbus_int16_t)DBUS_UINT16_SWAP_LE_BE_CONSTANT (val))
89 #define DBUS_UINT32_SWAP_LE_BE(val) (DBUS_UINT32_SWAP_LE_BE_CONSTANT (val))
90 #define DBUS_INT32_SWAP_LE_BE(val) ((dbus_int32_t)DBUS_UINT32_SWAP_LE_BE_CONSTANT (val))
92 #define DBUS_UINT64_SWAP_LE_BE(val) (DBUS_UINT64_SWAP_LE_BE_CONSTANT (val))
93 #define DBUS_INT64_SWAP_LE_BE(val) ((dbus_int64_t)DBUS_UINT64_SWAP_LE_BE_CONSTANT (val))
95 #ifdef WORDS_BIGENDIAN
97 # define DBUS_INT16_TO_BE(val) ((dbus_int16_t) (val))
98 # define DBUS_UINT16_TO_BE(val) ((dbus_uint16_t) (val))
99 # define DBUS_INT16_TO_LE(val) (DBUS_INT16_SWAP_LE_BE (val))
100 # define DBUS_UINT16_TO_LE(val) (DBUS_UINT16_SWAP_LE_BE (val))
101 # define DBUS_INT32_TO_BE(val) ((dbus_int32_t) (val))
102 # define DBUS_UINT32_TO_BE(val) ((dbus_uint32_t) (val))
103 # define DBUS_INT32_TO_LE(val) (DBUS_INT32_SWAP_LE_BE (val))
104 # define DBUS_UINT32_TO_LE(val) (DBUS_UINT32_SWAP_LE_BE (val))
105 # define DBUS_INT64_TO_BE(val) ((dbus_int64_t) (val))
106 # define DBUS_UINT64_TO_BE(val) ((dbus_uint64_t) (val))
107 # define DBUS_INT64_TO_LE(val) (DBUS_INT64_SWAP_LE_BE (val))
108 # define DBUS_UINT64_TO_LE(val) (DBUS_UINT64_SWAP_LE_BE (val))
112 # define DBUS_INT16_TO_LE(val) ((dbus_int16_t) (val))
113 # define DBUS_UINT16_TO_LE(val) ((dbus_uint16_t) (val))
114 # define DBUS_INT16_TO_BE(val) ((dbus_int16_t) DBUS_UINT16_SWAP_LE_BE (val))
115 # define DBUS_UINT16_TO_BE(val) (DBUS_UINT16_SWAP_LE_BE (val))
116 # define DBUS_INT32_TO_LE(val) ((dbus_int32_t) (val))
117 # define DBUS_UINT32_TO_LE(val) ((dbus_uint32_t) (val))
118 # define DBUS_INT32_TO_BE(val) ((dbus_int32_t) DBUS_UINT32_SWAP_LE_BE (val))
119 # define DBUS_UINT32_TO_BE(val) (DBUS_UINT32_SWAP_LE_BE (val))
120 # define DBUS_INT64_TO_LE(val) ((dbus_int64_t) (val))
121 # define DBUS_UINT64_TO_LE(val) ((dbus_uint64_t) (val))
122 # define DBUS_INT64_TO_BE(val) ((dbus_int64_t) DBUS_UINT64_SWAP_LE_BE (val))
123 # define DBUS_UINT64_TO_BE(val) (DBUS_UINT64_SWAP_LE_BE (val))
127 #define DBUS_INT16_FROM_LE(val) (DBUS_INT16_TO_LE (val))
128 #define DBUS_UINT16_FROM_LE(val) (DBUS_UINT16_TO_LE (val))
129 #define DBUS_INT16_FROM_BE(val) (DBUS_INT16_TO_BE (val))
130 #define DBUS_UINT16_FROM_BE(val) (DBUS_UINT16_TO_BE (val))
131 #define DBUS_INT32_FROM_LE(val) (DBUS_INT32_TO_LE (val))
132 #define DBUS_UINT32_FROM_LE(val) (DBUS_UINT32_TO_LE (val))
133 #define DBUS_INT32_FROM_BE(val) (DBUS_INT32_TO_BE (val))
134 #define DBUS_UINT32_FROM_BE(val) (DBUS_UINT32_TO_BE (val))
135 #define DBUS_INT64_FROM_LE(val) (DBUS_INT64_TO_LE (val))
136 #define DBUS_UINT64_FROM_LE(val) (DBUS_UINT64_TO_LE (val))
137 #define DBUS_INT64_FROM_BE(val) (DBUS_INT64_TO_BE (val))
138 #define DBUS_UINT64_FROM_BE(val) (DBUS_UINT64_TO_BE (val))
140 #ifdef DBUS_DISABLE_ASSERT
141 #define _dbus_unpack_uint16(byte_order, data) \
142 (((byte_order) == DBUS_LITTLE_ENDIAN) ? \
143 DBUS_UINT16_FROM_LE (*(dbus_uint16_t*)(data)) : \
144 DBUS_UINT16_FROM_BE (*(dbus_uint16_t*)(data)))
146 #define _dbus_unpack_uint32(byte_order, data) \
147 (((byte_order) == DBUS_LITTLE_ENDIAN) ? \
148 DBUS_UINT32_FROM_LE (*(dbus_uint32_t*)(data)) : \
149 DBUS_UINT32_FROM_BE (*(dbus_uint32_t*)(data)))
152 #ifndef _dbus_unpack_uint16
155 const unsigned char *data);
160 unsigned char *data);
161 #ifndef _dbus_unpack_uint32
164 const unsigned char *data);
193 void _dbus_marshal_read_fixed_multi (
const DBusString *str,
unsigned int dbus_uint32_t
A 32-bit unsigned integer on all platforms.
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.
DBUS_PRIVATE_EXPORT 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 ...
DBUS_PRIVATE_EXPORT int _dbus_first_type_in_signature(const DBusString *str, int pos)
Get the first type in the signature.
void _dbus_swap_array(unsigned char *data, int n_elements, int alignment)
Swaps the elements of an array to the opposite byte order.
DBUS_PRIVATE_EXPORT 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_uint32_t dbus_bool_t
A boolean, valid values are TRUE and FALSE.
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_marshal_read_basic(const DBusString *str, int pos, int type, void *value, int byte_order, int *new_pos)
Demarshals a basic-typed value.
DBUS_PRIVATE_EXPORT dbus_uint16_t _dbus_unpack_uint16(int byte_order, const unsigned char *data)
Unpacks a 16 bit unsigned integer from a data pointer.
void _dbus_pack_uint32(dbus_uint32_t value, int byte_order, unsigned char *data)
Packs a 32 bit unsigned integer into a data pointer.
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_PRIVATE_EXPORT const char * _dbus_type_to_string(int typecode)
Returns a string describing the given type.
int _dbus_type_get_alignment(int typecode)
Gets the alignment requirement for the given type; will be 1, 2, 4, or 8.
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.
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.
DBUS_PRIVATE_EXPORT 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.