1 /* -*- mode: C; c-file-style: "gnu" -*- */
2 /* dbus-marshal.h Marshalling routines
4 * Copyright (C) 2002 CodeFactory AB
6 * Licensed under the Academic Free License version 1.2
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24 #ifndef DBUS_MARSHAL_H
25 #define DBUS_MARSHAL_H
28 #include <dbus/dbus-protocol.h>
29 #include <dbus/dbus-types.h>
30 #include <dbus/dbus-string.h>
33 #error "config.h not included here"
36 #ifdef WORDS_BIGENDIAN
37 #define DBUS_COMPILER_BYTE_ORDER DBUS_BIG_ENDIAN
39 #define DBUS_COMPILER_BYTE_ORDER DBUS_LITTLE_ENDIAN
42 #define DBUS_UINT32_SWAP_LE_BE_CONSTANT(val) ((dbus_uint32_t) ( \
43 (((dbus_uint32_t) (val) & (dbus_uint32_t) 0x000000ffU) << 24) | \
44 (((dbus_uint32_t) (val) & (dbus_uint32_t) 0x0000ff00U) << 8) | \
45 (((dbus_uint32_t) (val) & (dbus_uint32_t) 0x00ff0000U) >> 8) | \
46 (((dbus_uint32_t) (val) & (dbus_uint32_t) 0xff000000U) >> 24)))
48 #define DBUS_UINT32_SWAP_LE_BE(val) (DBUS_UINT32_SWAP_LE_BE_CONSTANT (val))
50 #ifdef WORDS_BIGENDIAN
51 #define DBUS_INT32_TO_BE(val) ((dbus_int32_t) (val))
52 #define DBUS_UINT32_TO_BE(val) ((dbus_uint32_t) (val))
53 #define DBUS_INT32_TO_LE(val) ((dbus_int32_t) DBUS_UINT32_SWAP_LE_BE (val))
54 #define DBUS_UINT32_TO_LE(val) (DBUS_UINT32_SWAP_LE_BE (val))
56 #define DBUS_INT32_TO_LE(val) ((dbus_int32_t) (val))
57 #define DBUS_UINT32_TO_LE(val) ((dbus_uint32_t) (val))
58 #define DBUS_INT32_TO_BE(val) ((dbus_int32_t) DBUS_UINT32_SWAP_LE_BE (val))
59 #define DBUS_UINT32_TO_BE(val) (DBUS_UINT32_SWAP_LE_BE (val))
62 /* The transformation is symmetric, so the FROM just maps to the TO. */
63 #define DBUS_INT32_FROM_LE(val) (DBUS_INT32_TO_LE (val))
64 #define DBUS_UINT32_FROM_LE(val) (DBUS_UINT32_TO_LE (val))
65 #define DBUS_INT32_FROM_BE(val) (DBUS_INT32_TO_BE (val))
66 #define DBUS_UINT32_FROM_BE(val) (DBUS_UINT32_TO_BE (val))
68 void _dbus_pack_int32 (dbus_int32_t value,
71 dbus_int32_t _dbus_unpack_int32 (int byte_order,
72 const unsigned char *data);
73 void _dbus_pack_uint32 (dbus_uint32_t value,
76 dbus_uint32_t _dbus_unpack_uint32 (int byte_order,
77 const unsigned char *data);
80 dbus_bool_t _dbus_marshal_double (DBusString *str,
83 dbus_bool_t _dbus_marshal_int32 (DBusString *str,
86 dbus_bool_t _dbus_marshal_uint32 (DBusString *str,
89 dbus_bool_t _dbus_marshal_string (DBusString *str,
92 dbus_bool_t _dbus_marshal_byte_array (DBusString *str,
94 const unsigned char *value,
97 double _dbus_demarshal_double (DBusString *str,
101 dbus_int32_t _dbus_demarshal_int32 (DBusString *str,
105 dbus_uint32_t _dbus_demarshal_uint32 (DBusString *str,
109 char * _dbus_demarshal_string (DBusString *str,
113 unsigned char *_dbus_demarshal_byte_array (DBusString *str,
120 dbus_bool_t _dbus_marshal_get_field_end_pos (DBusString *str,
128 #endif /* DBUS_PROTOCOL_H */