/* dbus-marshal.c Marshalling routines
*
* Copyright (C) 2002 CodeFactory AB
- * Copyright (C) 2003 Red Hat, Inc.
+ * Copyright (C) 2003, 2004 Red Hat, Inc.
*
- * Licensed under the Academic Free License version 2.0
+ * 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
}
/**
+ * Marshals a UTF-8 string
+ *
+ * @todo: If the string append fails we need to restore
+ * the old length. (also for other marshallers)
+ *
+ * @param str the string to append the marshalled value to
+ * @param byte_order the byte order to use
+ * @param value the string
+ * @param len length of string to marshal in bytes
+ * @returns #TRUE on success
+ */
+dbus_bool_t
+_dbus_marshal_string_len (DBusString *str,
+ int byte_order,
+ const char *value,
+ int len)
+{
+ int old_string_len;
+
+ old_string_len = _dbus_string_get_length (str);
+
+ if (!_dbus_marshal_uint32 (str, byte_order, len))
+ {
+ /* Restore the previous length */
+ _dbus_string_set_length (str, old_string_len);
+
+ return FALSE;
+ }
+
+ if (!_dbus_string_append_len (str, value, len))
+ return FALSE;
+
+ /* add a nul byte */
+ if (!_dbus_string_lengthen (str, 1))
+ return FALSE;
+
+ return TRUE;
+}
+
+/**
* Marshals a byte array
*
* @param str the string to append the marshalled value to
case DBUS_TYPE_INT32:
case DBUS_TYPE_UINT32:
return demarshal_4_octets_array (str, byte_order, *pos, pos,
- (dbus_uint32_t *) array, array_len);
+ (dbus_uint32_t **)array, array_len);
break;
#ifdef DBUS_HAVE_INT64
case DBUS_TYPE_INT64:
#define VERBOSE_DECOMPOSE 0
/**
- * Demarshals an object path. A path of just "/" is
+ * Decompose an object path. A path of just "/" is
* represented as an empty vector of strings.
*
- * @param str the string containing the data
- * @param byte_order the byte order
- * @param pos the position in the string
- * @param new_pos the new position of the string
+ * @param data the path data
+ * @param len the length of the path string
* @param path address to store new object path
* @param path_len length of stored path
*/
dbus_bool_t
-_dbus_demarshal_object_path (const DBusString *str,
- int byte_order,
- int pos,
- int *new_pos,
- char ***path,
- int *path_len)
+_dbus_decompose_path (const char* data,
+ int len,
+ char ***path,
+ int *path_len)
{
- int len;
char **retval;
- const char *data;
int n_components;
int i, j, comp;
-
- len = _dbus_demarshal_uint32 (str, byte_order, pos, &pos);
- data = _dbus_string_get_const_data_len (str, pos, len + 1);
+
_dbus_assert (data != NULL);
#if VERBOSE_DECOMPOSE
if (path_len)
*path_len = n_components;
+ return TRUE;
+}
+
+/**
+ * Demarshals an object path. A path of just "/" is
+ * represented as an empty vector of strings.
+ *
+ * @param str the string containing the data
+ * @param byte_order the byte order
+ * @param pos the position in the string
+ * @param new_pos the new position of the string
+ * @param path address to store new object path
+ * @param path_len length of stored path
+ */
+dbus_bool_t
+_dbus_demarshal_object_path (const DBusString *str,
+ int byte_order,
+ int pos,
+ int *new_pos,
+ char ***path,
+ int *path_len)
+{
+ int len;
+ const char *data;
+
+ len = _dbus_demarshal_uint32 (str, byte_order, pos, &pos);
+ data = _dbus_string_get_const_data_len (str, pos, len + 1);
+
+ if (!_dbus_decompose_path (data, len, path, path_len))
+ return FALSE;
+
if (new_pos)
*new_pos = pos + len + 1;
-
+
return TRUE;
}
int pos = 0, len;
dbus_int32_t array1[3] = { 0x123, 0x456, 0x789 }, *array2;
#ifdef DBUS_HAVE_INT64
- dbus_int64_t array3[3] = { 0x123ffffffff, 0x456ffffffff, 0x789ffffffff }, *array4;
+ dbus_int64_t array3[3] = { DBUS_INT64_CONSTANT (0x123ffffffff),
+ DBUS_INT64_CONSTANT (0x456ffffffff),
+ DBUS_INT64_CONSTANT (0x789ffffffff) }, *array4;
#endif
char *s;
DBusString t;
/* Marshal signed integers */
if (!_dbus_marshal_int64 (&str, DBUS_BIG_ENDIAN, DBUS_INT64_CONSTANT (-0x123456789abc7)))
_dbus_assert_not_reached ("could not marshal signed integer value");
- if (!_dbus_demarshal_int64 (&str, DBUS_BIG_ENDIAN, pos, &pos) == DBUS_INT64_CONSTANT (-0x123456789abc7))
+ if (_dbus_demarshal_int64 (&str, DBUS_BIG_ENDIAN, pos, &pos) != DBUS_INT64_CONSTANT (-0x123456789abc7))
_dbus_assert_not_reached ("demarshal failed");
if (!_dbus_marshal_int64 (&str, DBUS_LITTLE_ENDIAN, DBUS_INT64_CONSTANT (-0x123456789abc7)))
_dbus_assert_not_reached ("could not marshal signed integer value");
- if (!_dbus_demarshal_int64 (&str, DBUS_LITTLE_ENDIAN, pos, &pos) == DBUS_INT64_CONSTANT (-0x123456789abc7))
+ if (_dbus_demarshal_int64 (&str, DBUS_LITTLE_ENDIAN, pos, &pos) != DBUS_INT64_CONSTANT (-0x123456789abc7))
_dbus_assert_not_reached ("demarshal failed");
/* Marshal unsigned integers */
projects / platform / upstream / dbus.git / blobdiff