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.