00001
00002
00003
00004
00005
00006
00007
00008
00009
00010
00011
00012
00013
00014
00015
00016
00017
00018
00019
00020
00021
00022
00023
00024
00025 #ifndef DBUS_MARSHAL_BASIC_H
00026 #define DBUS_MARSHAL_BASIC_H
00027
00028 #ifdef HAVE_BYTESWAP_H
00029 #include <byteswap.h>
00030 #endif
00031
00032 #include <dbus/dbus-protocol.h>
00033 #include <dbus/dbus-types.h>
00034 #include <dbus/dbus-arch-deps.h>
00035 #include <dbus/dbus-string.h>
00036
00037 #ifdef WORDS_BIGENDIAN
00038 #define DBUS_COMPILER_BYTE_ORDER DBUS_BIG_ENDIAN
00039 #else
00040 #define DBUS_COMPILER_BYTE_ORDER DBUS_LITTLE_ENDIAN
00041 #endif
00042
00043 #ifdef HAVE_BYTESWAP_H
00044 #define DBUS_UINT16_SWAP_LE_BE_CONSTANT(val) bswap_16(val)
00045 #define DBUS_UINT32_SWAP_LE_BE_CONSTANT(val) bswap_32(val)
00046 #else
00047
00048 #define DBUS_UINT16_SWAP_LE_BE_CONSTANT(val) ((dbus_uint16_t) ( \
00049 (dbus_uint16_t) ((dbus_uint16_t) (val) >> 8) | \
00050 (dbus_uint16_t) ((dbus_uint16_t) (val) << 8)))
00051
00052 #define DBUS_UINT32_SWAP_LE_BE_CONSTANT(val) ((dbus_uint32_t) ( \
00053 (((dbus_uint32_t) (val) & (dbus_uint32_t) 0x000000ffU) << 24) | \
00054 (((dbus_uint32_t) (val) & (dbus_uint32_t) 0x0000ff00U) << 8) | \
00055 (((dbus_uint32_t) (val) & (dbus_uint32_t) 0x00ff0000U) >> 8) | \
00056 (((dbus_uint32_t) (val) & (dbus_uint32_t) 0xff000000U) >> 24)))
00057
00058 #endif
00059
00060 #ifdef DBUS_HAVE_INT64
00061
00062 #ifdef HAVE_BYTESWAP_H
00063 #define DBUS_UINT64_SWAP_LE_BE_CONSTANT(val) bswap_64(val)
00064 #else
00065
00066 #define DBUS_UINT64_SWAP_LE_BE_CONSTANT(val) ((dbus_uint64_t) ( \
00067 (((dbus_uint64_t) (val) & \
00068 (dbus_uint64_t) DBUS_UINT64_CONSTANT (0x00000000000000ff)) << 56) | \
00069 (((dbus_uint64_t) (val) & \
00070 (dbus_uint64_t) DBUS_UINT64_CONSTANT (0x000000000000ff00)) << 40) | \
00071 (((dbus_uint64_t) (val) & \
00072 (dbus_uint64_t) DBUS_UINT64_CONSTANT (0x0000000000ff0000)) << 24) | \
00073 (((dbus_uint64_t) (val) & \
00074 (dbus_uint64_t) DBUS_UINT64_CONSTANT (0x00000000ff000000)) << 8) | \
00075 (((dbus_uint64_t) (val) & \
00076 (dbus_uint64_t) DBUS_UINT64_CONSTANT (0x000000ff00000000)) >> 8) | \
00077 (((dbus_uint64_t) (val) & \
00078 (dbus_uint64_t) DBUS_UINT64_CONSTANT (0x0000ff0000000000)) >> 24) | \
00079 (((dbus_uint64_t) (val) & \
00080 (dbus_uint64_t) DBUS_UINT64_CONSTANT (0x00ff000000000000)) >> 40) | \
00081 (((dbus_uint64_t) (val) & \
00082 (dbus_uint64_t) DBUS_UINT64_CONSTANT (0xff00000000000000)) >> 56)))
00083 #endif
00084
00085 #endif
00086
00087 #define DBUS_UINT16_SWAP_LE_BE(val) (DBUS_UINT16_SWAP_LE_BE_CONSTANT (val))
00088 #define DBUS_INT16_SWAP_LE_BE(val) ((dbus_int16_t)DBUS_UINT16_SWAP_LE_BE_CONSTANT (val))
00089
00090 #define DBUS_UINT32_SWAP_LE_BE(val) (DBUS_UINT32_SWAP_LE_BE_CONSTANT (val))
00091 #define DBUS_INT32_SWAP_LE_BE(val) ((dbus_int32_t)DBUS_UINT32_SWAP_LE_BE_CONSTANT (val))
00092
00093 #ifdef DBUS_HAVE_INT64
00094 # define DBUS_UINT64_SWAP_LE_BE(val) (DBUS_UINT64_SWAP_LE_BE_CONSTANT (val))
00095 # define DBUS_INT64_SWAP_LE_BE(val) ((dbus_int64_t)DBUS_UINT64_SWAP_LE_BE_CONSTANT (val))
00096 #endif
00097
00098 #ifdef WORDS_BIGENDIAN
00099
00100 # define DBUS_INT16_TO_BE(val) ((dbus_int16_t) (val))
00101 # define DBUS_UINT16_TO_BE(val) ((dbus_uint16_t) (val))
00102 # define DBUS_INT16_TO_LE(val) (DBUS_INT16_SWAP_LE_BE (val))
00103 # define DBUS_UINT16_TO_LE(val) (DBUS_UINT16_SWAP_LE_BE (val))
00104 # define DBUS_INT32_TO_BE(val) ((dbus_int32_t) (val))
00105 # define DBUS_UINT32_TO_BE(val) ((dbus_uint32_t) (val))
00106 # define DBUS_INT32_TO_LE(val) (DBUS_INT32_SWAP_LE_BE (val))
00107 # define DBUS_UINT32_TO_LE(val) (DBUS_UINT32_SWAP_LE_BE (val))
00108 # ifdef DBUS_HAVE_INT64
00109 # define DBUS_INT64_TO_BE(val) ((dbus_int64_t) (val))
00110 # define DBUS_UINT64_TO_BE(val) ((dbus_uint64_t) (val))
00111 # define DBUS_INT64_TO_LE(val) (DBUS_INT64_SWAP_LE_BE (val))
00112 # define DBUS_UINT64_TO_LE(val) (DBUS_UINT64_SWAP_LE_BE (val))
00113 # endif
00114
00115 #else
00116
00117 # define DBUS_INT16_TO_LE(val) ((dbus_int16_t) (val))
00118 # define DBUS_UINT16_TO_LE(val) ((dbus_uint16_t) (val))
00119 # define DBUS_INT16_TO_BE(val) ((dbus_int16_t) DBUS_UINT16_SWAP_LE_BE (val))
00120 # define DBUS_UINT16_TO_BE(val) (DBUS_UINT16_SWAP_LE_BE (val))
00121 # define DBUS_INT32_TO_LE(val) ((dbus_int32_t) (val))
00122 # define DBUS_UINT32_TO_LE(val) ((dbus_uint32_t) (val))
00123 # define DBUS_INT32_TO_BE(val) ((dbus_int32_t) DBUS_UINT32_SWAP_LE_BE (val))
00124 # define DBUS_UINT32_TO_BE(val) (DBUS_UINT32_SWAP_LE_BE (val))
00125 # ifdef DBUS_HAVE_INT64
00126 # define DBUS_INT64_TO_LE(val) ((dbus_int64_t) (val))
00127 # define DBUS_UINT64_TO_LE(val) ((dbus_uint64_t) (val))
00128 # define DBUS_INT64_TO_BE(val) ((dbus_int64_t) DBUS_UINT64_SWAP_LE_BE (val))
00129 # define DBUS_UINT64_TO_BE(val) (DBUS_UINT64_SWAP_LE_BE (val))
00130 # endif
00131 #endif
00132
00133
00134 #define DBUS_INT16_FROM_LE(val) (DBUS_INT16_TO_LE (val))
00135 #define DBUS_UINT16_FROM_LE(val) (DBUS_UINT16_TO_LE (val))
00136 #define DBUS_INT16_FROM_BE(val) (DBUS_INT16_TO_BE (val))
00137 #define DBUS_UINT16_FROM_BE(val) (DBUS_UINT16_TO_BE (val))
00138 #define DBUS_INT32_FROM_LE(val) (DBUS_INT32_TO_LE (val))
00139 #define DBUS_UINT32_FROM_LE(val) (DBUS_UINT32_TO_LE (val))
00140 #define DBUS_INT32_FROM_BE(val) (DBUS_INT32_TO_BE (val))
00141 #define DBUS_UINT32_FROM_BE(val) (DBUS_UINT32_TO_BE (val))
00142 #ifdef DBUS_HAVE_INT64
00143 # define DBUS_INT64_FROM_LE(val) (DBUS_INT64_TO_LE (val))
00144 # define DBUS_UINT64_FROM_LE(val) (DBUS_UINT64_TO_LE (val))
00145 # define DBUS_INT64_FROM_BE(val) (DBUS_INT64_TO_BE (val))
00146 # define DBUS_UINT64_FROM_BE(val) (DBUS_UINT64_TO_BE (val))
00147 #endif
00148
00149 #ifndef DBUS_HAVE_INT64
00150
00154 typedef struct
00155 {
00156 dbus_uint32_t first32;
00157 dbus_uint32_t second32;
00158 } DBus8ByteStruct;
00159 #endif
00160
00166 typedef union
00167 {
00168 dbus_int16_t i16;
00169 dbus_uint16_t u16;
00170 dbus_int32_t i32;
00171 dbus_uint32_t u32;
00172 #ifdef DBUS_HAVE_INT64
00173 dbus_int64_t i64;
00174 dbus_uint64_t u64;
00175 #else
00176 DBus8ByteStruct u64;
00177 #endif
00178 double dbl;
00179 unsigned char byt;
00180 char *str;
00181 } DBusBasicValue;
00182
00183 #ifdef DBUS_DISABLE_ASSERT
00184 #define _dbus_unpack_uint16(byte_order, data) \
00185 (((byte_order) == DBUS_LITTLE_ENDIAN) ? \
00186 DBUS_UINT16_FROM_LE (*(dbus_uint16_t*)(data)) : \
00187 DBUS_UINT16_FROM_BE (*(dbus_uint16_t*)(data)))
00188
00189 #define _dbus_unpack_uint32(byte_order, data) \
00190 (((byte_order) == DBUS_LITTLE_ENDIAN) ? \
00191 DBUS_UINT32_FROM_LE (*(dbus_uint32_t*)(data)) : \
00192 DBUS_UINT32_FROM_BE (*(dbus_uint32_t*)(data)))
00193 #endif
00194
00195 #ifndef _dbus_unpack_uint16
00196 dbus_uint16_t _dbus_unpack_uint16 (int byte_order,
00197 const unsigned char *data);
00198 #endif
00199
00200 void _dbus_pack_uint32 (dbus_uint32_t value,
00201 int byte_order,
00202 unsigned char *data);
00203 #ifndef _dbus_unpack_uint32
00204 dbus_uint32_t _dbus_unpack_uint32 (int byte_order,
00205 const unsigned char *data);
00206 #endif
00207
00208 dbus_bool_t _dbus_marshal_set_basic (DBusString *str,
00209 int pos,
00210 int type,
00211 const void *value,
00212 int byte_order,
00213 int *old_end_pos,
00214 int *new_end_pos);
00215 dbus_bool_t _dbus_marshal_write_basic (DBusString *str,
00216 int insert_at,
00217 int type,
00218 const void *value,
00219 int byte_order,
00220 int *pos_after);
00221 dbus_bool_t _dbus_marshal_write_fixed_multi (DBusString *str,
00222 int insert_at,
00223 int element_type,
00224 const void *value,
00225 int n_elements,
00226 int byte_order,
00227 int *pos_after);
00228 void _dbus_marshal_read_basic (const DBusString *str,
00229 int pos,
00230 int type,
00231 void *value,
00232 int byte_order,
00233 int *new_pos);
00234 void _dbus_marshal_read_fixed_multi (const DBusString *str,
00235 int pos,
00236 int element_type,
00237 void *value,
00238 int n_elements,
00239 int byte_order,
00240 int *new_pos);
00241 void _dbus_marshal_skip_basic (const DBusString *str,
00242 int type,
00243 int byte_order,
00244 int *pos);
00245 void _dbus_marshal_skip_array (const DBusString *str,
00246 int element_type,
00247 int byte_order,
00248 int *pos);
00249 void _dbus_marshal_set_uint32 (DBusString *str,
00250 int pos,
00251 dbus_uint32_t value,
00252 int byte_order);
00253 dbus_uint32_t _dbus_marshal_read_uint32 (const DBusString *str,
00254 int pos,
00255 int byte_order,
00256 int *new_pos);
00257 dbus_bool_t _dbus_type_is_valid (int typecode);
00258 int _dbus_type_get_alignment (int typecode);
00259 dbus_bool_t _dbus_type_is_fixed (int typecode);
00260 int _dbus_type_get_alignment (int typecode);
00261 const char* _dbus_type_to_string (int typecode);
00262
00263 int _dbus_first_type_in_signature (const DBusString *str,
00264 int pos);
00265
00266 int _dbus_first_type_in_signature_c_str (const char *str,
00267 int pos);
00268
00269 void _dbus_swap_array (unsigned char *data,
00270 int n_elements,
00271 int alignment);
00272
00273 #endif