summaryrefslogtreecommitdiff
path: root/src/3rd_party/dbus-1.7.8/dbus/dbus-marshal-byteswap.c
diff options
context:
space:
mode:
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.c248
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 */
View Lorry Controller Status