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dbus
dbus-marshal-basic.h
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/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
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/* dbus-marshal-basic.h Marshalling routines for basic (primitive) types
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*
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* Copyright (C) 2002 CodeFactory AB
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* Copyright (C) 2004, 2005 Red Hat, Inc.
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*
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* Licensed under the Academic Free License version 2.1
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#ifndef DBUS_MARSHAL_BASIC_H
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#define DBUS_MARSHAL_BASIC_H
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#ifdef HAVE_BYTESWAP_H
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#include <byteswap.h>
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#endif
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#include <dbus/dbus-protocol.h>
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#include <dbus/dbus-types.h>
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#include <dbus/dbus-arch-deps.h>
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#include <dbus/dbus-string.h>
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#ifdef WORDS_BIGENDIAN
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#define DBUS_COMPILER_BYTE_ORDER DBUS_BIG_ENDIAN
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#else
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#define DBUS_COMPILER_BYTE_ORDER DBUS_LITTLE_ENDIAN
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#endif
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#ifdef HAVE_BYTESWAP_H
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#define DBUS_UINT16_SWAP_LE_BE_CONSTANT(val) bswap_16(val)
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#define DBUS_UINT32_SWAP_LE_BE_CONSTANT(val) bswap_32(val)
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#else
/* HAVE_BYTESWAP_H */
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#define DBUS_UINT16_SWAP_LE_BE_CONSTANT(val) ((dbus_uint16_t) ( \
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(dbus_uint16_t) ((dbus_uint16_t) (val) >> 8) | \
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(dbus_uint16_t) ((dbus_uint16_t) (val) << 8)))
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#define DBUS_UINT32_SWAP_LE_BE_CONSTANT(val) ((dbus_uint32_t) ( \
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(((dbus_uint32_t) (val) & (dbus_uint32_t) 0x000000ffU) << 24) | \
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(((dbus_uint32_t) (val) & (dbus_uint32_t) 0x0000ff00U) << 8) | \
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(((dbus_uint32_t) (val) & (dbus_uint32_t) 0x00ff0000U) >> 8) | \
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(((dbus_uint32_t) (val) & (dbus_uint32_t) 0xff000000U) >> 24)))
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#endif
/* HAVE_BYTESWAP_H */
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#ifdef DBUS_HAVE_INT64
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#ifdef HAVE_BYTESWAP_H
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#define DBUS_UINT64_SWAP_LE_BE_CONSTANT(val) bswap_64(val)
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#else
/* HAVE_BYTESWAP_H */
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#define DBUS_UINT64_SWAP_LE_BE_CONSTANT(val) ((dbus_uint64_t) ( \
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(((dbus_uint64_t) (val) & \
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(dbus_uint64_t) DBUS_UINT64_CONSTANT (0x00000000000000ff)) << 56) | \
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(((dbus_uint64_t) (val) & \
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(dbus_uint64_t) DBUS_UINT64_CONSTANT (0x000000000000ff00)) << 40) | \
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(((dbus_uint64_t) (val) & \
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(dbus_uint64_t) DBUS_UINT64_CONSTANT (0x0000000000ff0000)) << 24) | \
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(((dbus_uint64_t) (val) & \
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(dbus_uint64_t) DBUS_UINT64_CONSTANT (0x00000000ff000000)) << 8) | \
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(((dbus_uint64_t) (val) & \
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(dbus_uint64_t) DBUS_UINT64_CONSTANT (0x000000ff00000000)) >> 8) | \
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(((dbus_uint64_t) (val) & \
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(dbus_uint64_t) DBUS_UINT64_CONSTANT (0x0000ff0000000000)) >> 24) | \
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(((dbus_uint64_t) (val) & \
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(dbus_uint64_t) DBUS_UINT64_CONSTANT (0x00ff000000000000)) >> 40) | \
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(((dbus_uint64_t) (val) & \
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(dbus_uint64_t) DBUS_UINT64_CONSTANT (0xff00000000000000)) >> 56)))
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#endif
/* DBUS_HAVE_INT64 */
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#endif
/* HAVE_BYTESWAP_H */
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#define DBUS_UINT16_SWAP_LE_BE(val) (DBUS_UINT16_SWAP_LE_BE_CONSTANT (val))
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#define DBUS_INT16_SWAP_LE_BE(val) ((dbus_int16_t)DBUS_UINT16_SWAP_LE_BE_CONSTANT (val))
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#define DBUS_UINT32_SWAP_LE_BE(val) (DBUS_UINT32_SWAP_LE_BE_CONSTANT (val))
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#define DBUS_INT32_SWAP_LE_BE(val) ((dbus_int32_t)DBUS_UINT32_SWAP_LE_BE_CONSTANT (val))
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#ifdef DBUS_HAVE_INT64
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# define DBUS_UINT64_SWAP_LE_BE(val) (DBUS_UINT64_SWAP_LE_BE_CONSTANT (val))
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# define DBUS_INT64_SWAP_LE_BE(val) ((dbus_int64_t)DBUS_UINT64_SWAP_LE_BE_CONSTANT (val))
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#endif
/* DBUS_HAVE_INT64 */
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#ifdef WORDS_BIGENDIAN
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# define DBUS_INT16_TO_BE(val) ((dbus_int16_t) (val))
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# define DBUS_UINT16_TO_BE(val) ((dbus_uint16_t) (val))
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# define DBUS_INT16_TO_LE(val) (DBUS_INT16_SWAP_LE_BE (val))
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# define DBUS_UINT16_TO_LE(val) (DBUS_UINT16_SWAP_LE_BE (val))
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# define DBUS_INT32_TO_BE(val) ((dbus_int32_t) (val))
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# define DBUS_UINT32_TO_BE(val) ((dbus_uint32_t) (val))
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# define DBUS_INT32_TO_LE(val) (DBUS_INT32_SWAP_LE_BE (val))
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# define DBUS_UINT32_TO_LE(val) (DBUS_UINT32_SWAP_LE_BE (val))
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# ifdef DBUS_HAVE_INT64
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# define DBUS_INT64_TO_BE(val) ((dbus_int64_t) (val))
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# define DBUS_UINT64_TO_BE(val) ((dbus_uint64_t) (val))
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# define DBUS_INT64_TO_LE(val) (DBUS_INT64_SWAP_LE_BE (val))
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# define DBUS_UINT64_TO_LE(val) (DBUS_UINT64_SWAP_LE_BE (val))
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# endif
/* DBUS_HAVE_INT64 */
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#else
/* WORDS_BIGENDIAN */
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# define DBUS_INT16_TO_LE(val) ((dbus_int16_t) (val))
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# define DBUS_UINT16_TO_LE(val) ((dbus_uint16_t) (val))
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# define DBUS_INT16_TO_BE(val) ((dbus_int16_t) DBUS_UINT16_SWAP_LE_BE (val))
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# define DBUS_UINT16_TO_BE(val) (DBUS_UINT16_SWAP_LE_BE (val))
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# define DBUS_INT32_TO_LE(val) ((dbus_int32_t) (val))
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# define DBUS_UINT32_TO_LE(val) ((dbus_uint32_t) (val))
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# define DBUS_INT32_TO_BE(val) ((dbus_int32_t) DBUS_UINT32_SWAP_LE_BE (val))
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# define DBUS_UINT32_TO_BE(val) (DBUS_UINT32_SWAP_LE_BE (val))
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# ifdef DBUS_HAVE_INT64
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# define DBUS_INT64_TO_LE(val) ((dbus_int64_t) (val))
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# define DBUS_UINT64_TO_LE(val) ((dbus_uint64_t) (val))
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# define DBUS_INT64_TO_BE(val) ((dbus_int64_t) DBUS_UINT64_SWAP_LE_BE (val))
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# define DBUS_UINT64_TO_BE(val) (DBUS_UINT64_SWAP_LE_BE (val))
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# endif
/* DBUS_HAVE_INT64 */
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#endif
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/* The transformation is symmetric, so the FROM just maps to the TO. */
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#define DBUS_INT16_FROM_LE(val) (DBUS_INT16_TO_LE (val))
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#define DBUS_UINT16_FROM_LE(val) (DBUS_UINT16_TO_LE (val))
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#define DBUS_INT16_FROM_BE(val) (DBUS_INT16_TO_BE (val))
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#define DBUS_UINT16_FROM_BE(val) (DBUS_UINT16_TO_BE (val))
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#define DBUS_INT32_FROM_LE(val) (DBUS_INT32_TO_LE (val))
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#define DBUS_UINT32_FROM_LE(val) (DBUS_UINT32_TO_LE (val))
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#define DBUS_INT32_FROM_BE(val) (DBUS_INT32_TO_BE (val))
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#define DBUS_UINT32_FROM_BE(val) (DBUS_UINT32_TO_BE (val))
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#ifdef DBUS_HAVE_INT64
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# define DBUS_INT64_FROM_LE(val) (DBUS_INT64_TO_LE (val))
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# define DBUS_UINT64_FROM_LE(val) (DBUS_UINT64_TO_LE (val))
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# define DBUS_INT64_FROM_BE(val) (DBUS_INT64_TO_BE (val))
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# define DBUS_UINT64_FROM_BE(val) (DBUS_UINT64_TO_BE (val))
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#endif
/* DBUS_HAVE_INT64 */
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#ifndef DBUS_HAVE_INT64
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typedef
struct
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{
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dbus_uint32_t
first32
;
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dbus_uint32_t
second32
;
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}
DBus8ByteStruct
;
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#endif
/* DBUS_HAVE_INT64 */
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typedef
union
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{
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dbus_int16_t
i16
;
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dbus_uint16_t
u16
;
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dbus_int32_t
i32
;
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dbus_uint32_t
u32
;
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#ifdef DBUS_HAVE_INT64
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dbus_int64_t
i64;
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dbus_uint64_t
u64;
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#else
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DBus8ByteStruct
u64
;
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#endif
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double
dbl
;
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unsigned
char
byt
;
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char
*
str
;
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}
DBusBasicValue
;
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#ifdef DBUS_DISABLE_ASSERT
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#define _dbus_unpack_uint16(byte_order, data) \
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(((byte_order) == DBUS_LITTLE_ENDIAN) ? \
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DBUS_UINT16_FROM_LE (*(dbus_uint16_t*)(data)) : \
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DBUS_UINT16_FROM_BE (*(dbus_uint16_t*)(data)))
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#define _dbus_unpack_uint32(byte_order, data) \
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(((byte_order) == DBUS_LITTLE_ENDIAN) ? \
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DBUS_UINT32_FROM_LE (*(dbus_uint32_t*)(data)) : \
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DBUS_UINT32_FROM_BE (*(dbus_uint32_t*)(data)))
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#endif
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#ifndef _dbus_unpack_uint16
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dbus_uint16_t
_dbus_unpack_uint16
(
int
byte_order,
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const
unsigned
char
*data);
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#endif
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void
_dbus_pack_uint32
(
dbus_uint32_t
value,
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int
byte_order,
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unsigned
char
*data);
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#ifndef _dbus_unpack_uint32
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dbus_uint32_t
_dbus_unpack_uint32
(
int
byte_order,
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const
unsigned
char
*data);
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#endif
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dbus_bool_t
_dbus_marshal_set_basic
(
DBusString
*str,
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int
pos,
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int
type,
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const
void
*value,
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int
byte_order,
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int
*old_end_pos,
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int
*new_end_pos);
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dbus_bool_t
_dbus_marshal_write_basic
(
DBusString
*str,
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int
insert_at,
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int
type,
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const
void
*value,
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int
byte_order,
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int
*pos_after);
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dbus_bool_t
_dbus_marshal_write_fixed_multi
(
DBusString
*str,
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int
insert_at,
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int
element_type,
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const
void
*value,
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int
n_elements,
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int
byte_order,
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int
*pos_after);
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void
_dbus_marshal_read_basic
(
const
DBusString
*str,
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int
pos,
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int
type,
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void
*value,
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int
byte_order,
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int
*new_pos);
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void
_dbus_marshal_read_fixed_multi (
const
DBusString
*str,
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int
pos,
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int
element_type,
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void
*value,
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int
n_elements,
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int
byte_order,
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int
*new_pos);
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void
_dbus_marshal_skip_basic
(
const
DBusString
*str,
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int
type,
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int
byte_order,
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int
*pos);
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void
_dbus_marshal_skip_array
(
const
DBusString
*str,
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int
element_type,
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int
byte_order,
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int
*pos);
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void
_dbus_marshal_set_uint32
(
DBusString
*str,
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int
pos,
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dbus_uint32_t
value,
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int
byte_order);
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dbus_uint32_t
_dbus_marshal_read_uint32
(
const
DBusString
*str,
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int
pos,
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int
byte_order,
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int
*new_pos);
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dbus_bool_t
_dbus_type_is_valid
(
int
typecode);
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int
_dbus_type_get_alignment
(
int
typecode);
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dbus_bool_t
_dbus_type_is_fixed (
int
typecode);
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int
_dbus_type_get_alignment
(
int
typecode);
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const
char
*
_dbus_type_to_string
(
int
typecode);
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int
_dbus_first_type_in_signature
(
const
DBusString
*str,
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int
pos);
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int
_dbus_first_type_in_signature_c_str
(
const
char
*str,
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int
pos);
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void
_dbus_swap_array
(
unsigned
char
*data,
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int
n_elements,
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int
alignment);
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#endif
/* DBUS_MARSHAL_BASIC_H */
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