diff options
Diffstat (limited to 'src/3rd_party/dbus-1.7.8/dbus/dbus-marshal-byteswap.c')
-rw-r--r-- | src/3rd_party/dbus-1.7.8/dbus/dbus-marshal-byteswap.c | 248 |
1 files changed, 0 insertions, 248 deletions
diff --git a/src/3rd_party/dbus-1.7.8/dbus/dbus-marshal-byteswap.c b/src/3rd_party/dbus-1.7.8/dbus/dbus-marshal-byteswap.c deleted file mode 100644 index e6711be605..0000000000 --- a/src/3rd_party/dbus-1.7.8/dbus/dbus-marshal-byteswap.c +++ /dev/null @@ -1,248 +0,0 @@ -/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */ -/* dbus-marshal-byteswap.c Swap a block of marshaled data - * - * Copyright (C) 2005 Red Hat, Inc. - * - * Licensed under the Academic Free License version 2.1 - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * - */ - -#include <config.h> -#include "dbus-marshal-byteswap.h" -#include "dbus-marshal-basic.h" -#include "dbus-signature.h" - -/** - * @addtogroup DBusMarshal - * @{ - */ - -static void -byteswap_body_helper (DBusTypeReader *reader, - dbus_bool_t walk_reader_to_end, - int old_byte_order, - int new_byte_order, - unsigned char *p, - unsigned char **new_p) -{ - int current_type; - - while ((current_type = _dbus_type_reader_get_current_type (reader)) != DBUS_TYPE_INVALID) - { - switch (current_type) - { - case DBUS_TYPE_BYTE: - ++p; - break; - - case DBUS_TYPE_INT16: - case DBUS_TYPE_UINT16: - { - p = _DBUS_ALIGN_ADDRESS (p, 2); - *((dbus_uint16_t*)p) = DBUS_UINT16_SWAP_LE_BE (*((dbus_uint16_t*)p)); - p += 2; - } - break; - - case DBUS_TYPE_BOOLEAN: - case DBUS_TYPE_INT32: - case DBUS_TYPE_UINT32: - { - p = _DBUS_ALIGN_ADDRESS (p, 4); - *((dbus_uint32_t*)p) = DBUS_UINT32_SWAP_LE_BE (*((dbus_uint32_t*)p)); - p += 4; - } - break; - - case DBUS_TYPE_INT64: - case DBUS_TYPE_UINT64: - case DBUS_TYPE_DOUBLE: - { - p = _DBUS_ALIGN_ADDRESS (p, 8); - *((dbus_uint64_t*)p) = DBUS_UINT64_SWAP_LE_BE (*((dbus_uint64_t*)p)); - p += 8; - } - break; - - case DBUS_TYPE_ARRAY: - case DBUS_TYPE_STRING: - case DBUS_TYPE_OBJECT_PATH: - { - dbus_uint32_t array_len; - - p = _DBUS_ALIGN_ADDRESS (p, 4); - - array_len = _dbus_unpack_uint32 (old_byte_order, p); - - *((dbus_uint32_t*)p) = DBUS_UINT32_SWAP_LE_BE (*((dbus_uint32_t*)p)); - p += 4; - - if (current_type == DBUS_TYPE_ARRAY) - { - int elem_type; - int alignment; - - elem_type = _dbus_type_reader_get_element_type (reader); - alignment = _dbus_type_get_alignment (elem_type); - - _dbus_assert ((array_len / alignment) < DBUS_MAXIMUM_ARRAY_LENGTH); - - p = _DBUS_ALIGN_ADDRESS (p, alignment); - - if (dbus_type_is_fixed (elem_type)) - { - if (alignment > 1) - _dbus_swap_array (p, array_len / alignment, alignment); - p += array_len; - } - else - { - DBusTypeReader sub; - const unsigned char *array_end; - - array_end = p + array_len; - - _dbus_type_reader_recurse (reader, &sub); - - while (p < array_end) - { - byteswap_body_helper (&sub, - FALSE, - old_byte_order, - new_byte_order, - p, &p); - } - } - } - else - { - _dbus_assert (current_type == DBUS_TYPE_STRING || - current_type == DBUS_TYPE_OBJECT_PATH); - - p += (array_len + 1); /* + 1 for nul */ - } - } - break; - - case DBUS_TYPE_SIGNATURE: - { - dbus_uint32_t sig_len; - - sig_len = *p; - - p += (sig_len + 2); /* +2 for len and nul */ - } - break; - - case DBUS_TYPE_VARIANT: - { - /* 1 byte sig len, sig typecodes, align to - * contained-type-boundary, values. - */ - dbus_uint32_t sig_len; - DBusString sig; - DBusTypeReader sub; - int contained_alignment; - - sig_len = *p; - ++p; - - _dbus_string_init_const_len (&sig, p, sig_len); - - p += (sig_len + 1); /* 1 for nul */ - - contained_alignment = _dbus_type_get_alignment (_dbus_first_type_in_signature (&sig, 0)); - - p = _DBUS_ALIGN_ADDRESS (p, contained_alignment); - - _dbus_type_reader_init_types_only (&sub, &sig, 0); - - byteswap_body_helper (&sub, FALSE, old_byte_order, new_byte_order, p, &p); - } - break; - - case DBUS_TYPE_STRUCT: - case DBUS_TYPE_DICT_ENTRY: - { - DBusTypeReader sub; - - p = _DBUS_ALIGN_ADDRESS (p, 8); - - _dbus_type_reader_recurse (reader, &sub); - - byteswap_body_helper (&sub, TRUE, old_byte_order, new_byte_order, p, &p); - } - break; - - case DBUS_TYPE_UNIX_FD: - /* fds can only be passed on a local machine, so byte order must always match */ - _dbus_assert_not_reached("attempted to byteswap unix fds which makes no sense"); - break; - - default: - _dbus_assert_not_reached ("invalid typecode in supposedly-validated signature"); - break; - } - - if (walk_reader_to_end) - _dbus_type_reader_next (reader); - else - break; - } - - if (new_p) - *new_p = p; -} - -/** - * Byteswaps the marshaled data in the given value_str. - * - * @param signature the types in the value_str - * @param signature_start where in signature is the signature - * @param old_byte_order the old byte order - * @param new_byte_order the new byte order - * @param value_str the string containing the body - * @param value_pos where the values start - */ -void -_dbus_marshal_byteswap (const DBusString *signature, - int signature_start, - int old_byte_order, - int new_byte_order, - DBusString *value_str, - int value_pos) -{ - DBusTypeReader reader; - - _dbus_assert (value_pos >= 0); - _dbus_assert (value_pos <= _dbus_string_get_length (value_str)); - - if (old_byte_order == new_byte_order) - return; - - _dbus_type_reader_init_types_only (&reader, - signature, signature_start); - - byteswap_body_helper (&reader, TRUE, - old_byte_order, new_byte_order, - _dbus_string_get_data_len (value_str, value_pos, 0), - NULL); -} - -/** @} */ - -/* Tests in dbus-marshal-byteswap-util.c */ |