25 #ifndef DBUS_MARSHAL_BASIC_H 26 #define DBUS_MARSHAL_BASIC_H 28 #ifdef HAVE_BYTESWAP_H 32 #include <dbus/dbus-protocol.h> 33 #include <dbus/dbus-types.h> 34 #include <dbus/dbus-arch-deps.h> 35 #include <dbus/dbus-string.h> 37 #ifdef WORDS_BIGENDIAN 38 #define DBUS_COMPILER_BYTE_ORDER DBUS_BIG_ENDIAN 40 #define DBUS_COMPILER_BYTE_ORDER DBUS_LITTLE_ENDIAN 43 #ifdef HAVE_BYTESWAP_H 44 #define DBUS_UINT16_SWAP_LE_BE_CONSTANT(val) bswap_16(val) 45 #define DBUS_UINT32_SWAP_LE_BE_CONSTANT(val) bswap_32(val) 48 #define DBUS_UINT16_SWAP_LE_BE_CONSTANT(val) ((dbus_uint16_t) ( \ 49 (dbus_uint16_t) ((dbus_uint16_t) (val) >> 8) | \ 50 (dbus_uint16_t) ((dbus_uint16_t) (val) << 8))) 52 #define DBUS_UINT32_SWAP_LE_BE_CONSTANT(val) ((dbus_uint32_t) ( \ 53 (((dbus_uint32_t) (val) & (dbus_uint32_t) 0x000000ffU) << 24) | \ 54 (((dbus_uint32_t) (val) & (dbus_uint32_t) 0x0000ff00U) << 8) | \ 55 (((dbus_uint32_t) (val) & (dbus_uint32_t) 0x00ff0000U) >> 8) | \ 56 (((dbus_uint32_t) (val) & (dbus_uint32_t) 0xff000000U) >> 24))) 60 #ifdef HAVE_BYTESWAP_H 61 #define DBUS_UINT64_SWAP_LE_BE_CONSTANT(val) bswap_64(val) 64 #define DBUS_UINT64_SWAP_LE_BE_CONSTANT(val) ((dbus_uint64_t) ( \ 65 (((dbus_uint64_t) (val) & \ 66 (dbus_uint64_t) DBUS_UINT64_CONSTANT (0x00000000000000ff)) << 56) | \ 67 (((dbus_uint64_t) (val) & \ 68 (dbus_uint64_t) DBUS_UINT64_CONSTANT (0x000000000000ff00)) << 40) | \ 69 (((dbus_uint64_t) (val) & \ 70 (dbus_uint64_t) DBUS_UINT64_CONSTANT (0x0000000000ff0000)) << 24) | \ 71 (((dbus_uint64_t) (val) & \ 72 (dbus_uint64_t) DBUS_UINT64_CONSTANT (0x00000000ff000000)) << 8) | \ 73 (((dbus_uint64_t) (val) & \ 74 (dbus_uint64_t) DBUS_UINT64_CONSTANT (0x000000ff00000000)) >> 8) | \ 75 (((dbus_uint64_t) (val) & \ 76 (dbus_uint64_t) DBUS_UINT64_CONSTANT (0x0000ff0000000000)) >> 24) | \ 77 (((dbus_uint64_t) (val) & \ 78 (dbus_uint64_t) DBUS_UINT64_CONSTANT (0x00ff000000000000)) >> 40) | \ 79 (((dbus_uint64_t) (val) & \ 80 (dbus_uint64_t) DBUS_UINT64_CONSTANT (0xff00000000000000)) >> 56))) 84 #define DBUS_UINT16_SWAP_LE_BE(val) (DBUS_UINT16_SWAP_LE_BE_CONSTANT (val)) 85 #define DBUS_INT16_SWAP_LE_BE(val) ((dbus_int16_t)DBUS_UINT16_SWAP_LE_BE_CONSTANT (val)) 87 #define DBUS_UINT32_SWAP_LE_BE(val) (DBUS_UINT32_SWAP_LE_BE_CONSTANT (val)) 88 #define DBUS_INT32_SWAP_LE_BE(val) ((dbus_int32_t)DBUS_UINT32_SWAP_LE_BE_CONSTANT (val)) 90 #define DBUS_UINT64_SWAP_LE_BE(val) (DBUS_UINT64_SWAP_LE_BE_CONSTANT (val)) 91 #define DBUS_INT64_SWAP_LE_BE(val) ((dbus_int64_t)DBUS_UINT64_SWAP_LE_BE_CONSTANT (val)) 93 #ifdef WORDS_BIGENDIAN 95 # define DBUS_INT16_TO_BE(val) ((dbus_int16_t) (val)) 96 # define DBUS_UINT16_TO_BE(val) ((dbus_uint16_t) (val)) 97 # define DBUS_INT16_TO_LE(val) (DBUS_INT16_SWAP_LE_BE (val)) 98 # define DBUS_UINT16_TO_LE(val) (DBUS_UINT16_SWAP_LE_BE (val)) 99 # define DBUS_INT32_TO_BE(val) ((dbus_int32_t) (val)) 100 # define DBUS_UINT32_TO_BE(val) ((dbus_uint32_t) (val)) 101 # define DBUS_INT32_TO_LE(val) (DBUS_INT32_SWAP_LE_BE (val)) 102 # define DBUS_UINT32_TO_LE(val) (DBUS_UINT32_SWAP_LE_BE (val)) 103 # define DBUS_INT64_TO_BE(val) ((dbus_int64_t) (val)) 104 # define DBUS_UINT64_TO_BE(val) ((dbus_uint64_t) (val)) 105 # define DBUS_INT64_TO_LE(val) (DBUS_INT64_SWAP_LE_BE (val)) 106 # define DBUS_UINT64_TO_LE(val) (DBUS_UINT64_SWAP_LE_BE (val)) 110 # define DBUS_INT16_TO_LE(val) ((dbus_int16_t) (val)) 111 # define DBUS_UINT16_TO_LE(val) ((dbus_uint16_t) (val)) 112 # define DBUS_INT16_TO_BE(val) ((dbus_int16_t) DBUS_UINT16_SWAP_LE_BE (val)) 113 # define DBUS_UINT16_TO_BE(val) (DBUS_UINT16_SWAP_LE_BE (val)) 114 # define DBUS_INT32_TO_LE(val) ((dbus_int32_t) (val)) 115 # define DBUS_UINT32_TO_LE(val) ((dbus_uint32_t) (val)) 116 # define DBUS_INT32_TO_BE(val) ((dbus_int32_t) DBUS_UINT32_SWAP_LE_BE (val)) 117 # define DBUS_UINT32_TO_BE(val) (DBUS_UINT32_SWAP_LE_BE (val)) 118 # define DBUS_INT64_TO_LE(val) ((dbus_int64_t) (val)) 119 # define DBUS_UINT64_TO_LE(val) ((dbus_uint64_t) (val)) 120 # define DBUS_INT64_TO_BE(val) ((dbus_int64_t) DBUS_UINT64_SWAP_LE_BE (val)) 121 # define DBUS_UINT64_TO_BE(val) (DBUS_UINT64_SWAP_LE_BE (val)) 125 #define DBUS_INT16_FROM_LE(val) (DBUS_INT16_TO_LE (val)) 126 #define DBUS_UINT16_FROM_LE(val) (DBUS_UINT16_TO_LE (val)) 127 #define DBUS_INT16_FROM_BE(val) (DBUS_INT16_TO_BE (val)) 128 #define DBUS_UINT16_FROM_BE(val) (DBUS_UINT16_TO_BE (val)) 129 #define DBUS_INT32_FROM_LE(val) (DBUS_INT32_TO_LE (val)) 130 #define DBUS_UINT32_FROM_LE(val) (DBUS_UINT32_TO_LE (val)) 131 #define DBUS_INT32_FROM_BE(val) (DBUS_INT32_TO_BE (val)) 132 #define DBUS_UINT32_FROM_BE(val) (DBUS_UINT32_TO_BE (val)) 133 #define DBUS_INT64_FROM_LE(val) (DBUS_INT64_TO_LE (val)) 134 #define DBUS_UINT64_FROM_LE(val) (DBUS_UINT64_TO_LE (val)) 135 #define DBUS_INT64_FROM_BE(val) (DBUS_INT64_TO_BE (val)) 136 #define DBUS_UINT64_FROM_BE(val) (DBUS_UINT64_TO_BE (val)) 138 #ifdef DBUS_DISABLE_ASSERT 139 #define _dbus_unpack_uint16(byte_order, data) \ 140 (((byte_order) == DBUS_LITTLE_ENDIAN) ? \ 141 DBUS_UINT16_FROM_LE (*(dbus_uint16_t*)(data)) : \ 142 DBUS_UINT16_FROM_BE (*(dbus_uint16_t*)(data))) 144 #define _dbus_unpack_uint32(byte_order, data) \ 145 (((byte_order) == DBUS_LITTLE_ENDIAN) ? \ 146 DBUS_UINT32_FROM_LE (*(dbus_uint32_t*)(data)) : \ 147 DBUS_UINT32_FROM_BE (*(dbus_uint32_t*)(data))) 150 #ifndef _dbus_unpack_uint16 153 const unsigned char *data);
158 unsigned char *data);
159 #ifndef _dbus_unpack_uint32 162 const unsigned char *data);
191 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, 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.