-/* -*- mode: C; c-file-style: "gnu" -*- */
+/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
/* dbus-marshal-basic.c Marshalling routines for basic (primitive) types
*
* Copyright (C) 2002 CodeFactory AB
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
+#include <config.h>
#include "dbus-internals.h"
#include "dbus-marshal-basic.h"
#include "dbus-signature.h"
case DBUS_TYPE_BOOLEAN:
case DBUS_TYPE_INT32:
case DBUS_TYPE_UINT32:
+ case DBUS_TYPE_UNIX_FD:
pos = _DBUS_ALIGN_VALUE (pos, 4);
set_4_octets (str, pos, vp->u32, byte_order);
if (old_end_pos)
int *new_pos)
{
const char *str_data;
- DBusBasicValue *vp;
_dbus_assert (dbus_type_is_basic (type));
str_data = _dbus_string_get_const_data (str);
- vp = value;
+ /* Below we volatile types to avoid aliasing issues;
+ * see http://bugs.freedesktop.org/show_bug.cgi?id=20137
+ */
+
switch (type)
{
case DBUS_TYPE_BYTE:
- vp->byt = _dbus_string_get_byte (str, pos);
+ {
+ volatile unsigned char *vp = value;
+ *vp = (unsigned char) _dbus_string_get_byte (str, pos);
(pos)++;
+ }
break;
case DBUS_TYPE_INT16:
case DBUS_TYPE_UINT16:
+ {
+ volatile dbus_uint16_t *vp = value;
pos = _DBUS_ALIGN_VALUE (pos, 2);
- vp->u16 = *(dbus_uint16_t *)(str_data + pos);
+ *vp = *(dbus_uint16_t *)(str_data + pos);
if (byte_order != DBUS_COMPILER_BYTE_ORDER)
- vp->u16 = DBUS_UINT16_SWAP_LE_BE (vp->u16);
+ *vp = DBUS_UINT16_SWAP_LE_BE (*vp);
pos += 2;
+ }
break;
case DBUS_TYPE_INT32:
case DBUS_TYPE_UINT32:
case DBUS_TYPE_BOOLEAN:
+ case DBUS_TYPE_UNIX_FD:
+ {
+ volatile dbus_uint32_t *vp = value;
pos = _DBUS_ALIGN_VALUE (pos, 4);
- vp->u32 = *(dbus_uint32_t *)(str_data + pos);
+ *vp = *(dbus_uint32_t *)(str_data + pos);
if (byte_order != DBUS_COMPILER_BYTE_ORDER)
- vp->u32 = DBUS_UINT32_SWAP_LE_BE (vp->u32);
+ *vp = DBUS_UINT32_SWAP_LE_BE (*vp);
pos += 4;
+ }
break;
case DBUS_TYPE_INT64:
case DBUS_TYPE_UINT64:
case DBUS_TYPE_DOUBLE:
+ {
+ volatile dbus_uint64_t *vp = value;
pos = _DBUS_ALIGN_VALUE (pos, 8);
#ifdef DBUS_HAVE_INT64
if (byte_order != DBUS_COMPILER_BYTE_ORDER)
- vp->u64 = DBUS_UINT64_SWAP_LE_BE (*(dbus_uint64_t*)(str_data + pos));
+ *vp = DBUS_UINT64_SWAP_LE_BE (*(dbus_uint64_t*)(str_data + pos));
else
- vp->u64 = *(dbus_uint64_t*)(str_data + pos);
+ *vp = *(dbus_uint64_t*)(str_data + pos);
#else
- vp->u64 = *(DBus8ByteStruct*) (str_data + pos);
+ *vp = *(DBus8ByteStruct*) (str_data + pos);
swap_8_octets (vp, byte_order);
#endif
pos += 8;
+ }
break;
case DBUS_TYPE_STRING:
case DBUS_TYPE_OBJECT_PATH:
{
int len;
+ volatile char **vp = value;
len = _dbus_marshal_read_uint32 (str, pos, byte_order, &pos);
- vp->str = (char*) str_data + pos;
+ *vp = (char*) str_data + pos;
pos += len + 1; /* length plus nul */
}
case DBUS_TYPE_SIGNATURE:
{
int len;
+ volatile char **vp = value;
len = _dbus_string_get_byte (str, pos);
pos += 1;
- vp->str = (char*) str_data + pos;
+ *vp = (char*) str_data + pos;
pos += len + 1; /* length plus nul */
}
break;
default:
- _dbus_warn ("type %s %d not a basic type\n",
- _dbus_type_to_string (type), type);
+ _dbus_warn_check_failed ("type %s %d not a basic type\n",
+ _dbus_type_to_string (type), type);
_dbus_assert_not_reached ("not a basic type");
break;
}
*new_pos = pos;
}
-/**
- * Reads a block of fixed-length basic values, as an optimization
- * vs. reading each one individually into a new buffer.
- *
- * This function returns the data in-place; it does not make a copy,
- * and it does not swap the bytes.
- *
- * If you ask for #DBUS_TYPE_DOUBLE you will get a "const double*" back
- * and the "value" argument should be a "const double**" and so on.
- *
- * @todo we aren't using this function (except in the test suite)
- *
- * @param str the string to read from
- * @param pos position to read from
- * @param element_type type of array elements
- * @param value place to return the array
- * @param n_elements number of array elements to read
- * @param byte_order the byte order, used to read the array length
- * @param new_pos #NULL or location to store a position after the elements
- */
-void
-_dbus_marshal_read_fixed_multi (const DBusString *str,
- int pos,
- int element_type,
- void *value,
- int n_elements,
- int byte_order,
- int *new_pos)
-{
- int array_len;
- int alignment;
-
- _dbus_assert (dbus_type_is_fixed (element_type));
- _dbus_assert (dbus_type_is_basic (element_type));
-
-#if 0
- _dbus_verbose ("reading %d elements of %s\n",
- n_elements, _dbus_type_to_string (element_type));
-#endif
-
- alignment = _dbus_type_get_alignment (element_type);
-
- pos = _DBUS_ALIGN_VALUE (pos, alignment);
-
- array_len = n_elements * alignment;
-
- *(const DBusBasicValue**) value = (void*) _dbus_string_get_const_data_len (str, pos, array_len);
- if (new_pos)
- *new_pos = pos + array_len;
-}
-
static dbus_bool_t
marshal_2_octets (DBusString *str,
int insert_at,
break;
case DBUS_TYPE_INT32:
case DBUS_TYPE_UINT32:
+ case DBUS_TYPE_UNIX_FD:
return marshal_4_octets (str, insert_at, vp->u32,
byte_order, pos_after);
break;
case DBUS_TYPE_INT16:
case DBUS_TYPE_UINT16:
return marshal_fixed_multi (str, insert_at, vp, n_elements, byte_order, 2, pos_after);
- /* FIXME: we canonicalize to 0 or 1 for the single boolean case
- * should we here too ? */
case DBUS_TYPE_BOOLEAN:
case DBUS_TYPE_INT32:
case DBUS_TYPE_UINT32:
+ case DBUS_TYPE_UNIX_FD:
return marshal_fixed_multi (str, insert_at, vp, n_elements, byte_order, 4, pos_after);
break;
case DBUS_TYPE_INT64:
case DBUS_TYPE_BOOLEAN:
case DBUS_TYPE_INT32:
case DBUS_TYPE_UINT32:
+ case DBUS_TYPE_UNIX_FD:
*pos = _DBUS_ALIGN_VALUE (*pos, 4);
*pos += 4;
break;
case DBUS_TYPE_BOOLEAN:
case DBUS_TYPE_INT32:
case DBUS_TYPE_UINT32:
+ case DBUS_TYPE_UNIX_FD:
/* this stuff is 4 since it starts with a length */
case DBUS_TYPE_STRING:
case DBUS_TYPE_OBJECT_PATH:
case DBUS_TYPE_STRUCT:
case DBUS_TYPE_DICT_ENTRY:
case DBUS_TYPE_VARIANT:
+ case DBUS_TYPE_UNIX_FD:
return TRUE;
default:
return "begin_dict_entry";
case DBUS_DICT_ENTRY_END_CHAR:
return "end_dict_entry";
+ case DBUS_TYPE_UNIX_FD:
+ return "unix_fd";
default:
return "unknown";
}
/**
* If in verbose mode, print a block of binary data.
*
- * @todo right now it prints even if not in verbose mode
- *
* @param data the data
* @param len the length of the data
* @param offset where to start counting for byte indexes
_dbus_assert (len >= 0);
+ if (!_dbus_is_verbose())
+ return;
+
/* Print blanks on first row if appropriate */
aligned = _DBUS_ALIGN_ADDRESS (data, 4);
if (aligned > data)
if (aligned != data)
{
- _dbus_verbose ("%4d\t%p: ", - (data - aligned), aligned);
+ _dbus_verbose ("%4ld\t%p: ", - (long)(data - aligned), aligned);
while (aligned != data)
{
_dbus_verbose (" ");
if (i > 7 &&
_DBUS_ALIGN_ADDRESS (&data[i], 8) == &data[i])
{
-#ifdef DBUS_HAVE_INT64
- /* I think I probably mean "GNU libc printf" and not "GNUC"
- * but we'll wait until someone complains. If you hit this,
- * just turn off verbose mode as a workaround.
- */
-#if __GNUC__
- _dbus_verbose (" u64: 0x%llx",
+#ifdef DBUS_INT64_PRINTF_MODIFIER
+ _dbus_verbose (" u64: 0x%" DBUS_INT64_PRINTF_MODIFIER "x",
*(dbus_uint64_t*)&data[i-8]);
#endif
-#endif
_dbus_verbose (" dbl: %g",
*(double*)&data[i-8]);
}
#include "dbus-test.h"
#include <stdio.h>
+/**
+ * Reads a block of fixed-length basic values, as an optimization
+ * vs. reading each one individually into a new buffer.
+ *
+ * This function returns the data in-place; it does not make a copy,
+ * and it does not swap the bytes.
+ *
+ * If you ask for #DBUS_TYPE_DOUBLE you will get a "const double*" back
+ * and the "value" argument should be a "const double**" and so on.
+ *
+ * @param str the string to read from
+ * @param pos position to read from
+ * @param element_type type of array elements
+ * @param value place to return the array
+ * @param n_elements number of array elements to read
+ * @param byte_order the byte order, used to read the array length
+ * @param new_pos #NULL or location to store a position after the elements
+ */
+void
+_dbus_marshal_read_fixed_multi (const DBusString *str,
+ int pos,
+ int element_type,
+ void *value,
+ int n_elements,
+ int byte_order,
+ int *new_pos)
+{
+ int array_len;
+ int alignment;
+
+ _dbus_assert (dbus_type_is_fixed (element_type));
+ _dbus_assert (dbus_type_is_basic (element_type));
+
+#if 0
+ _dbus_verbose ("reading %d elements of %s\n",
+ n_elements, _dbus_type_to_string (element_type));
+#endif
+
+ alignment = _dbus_type_get_alignment (element_type);
+
+ pos = _DBUS_ALIGN_VALUE (pos, alignment);
+
+ array_len = n_elements * alignment;
+
+ *(const DBusBasicValue**) value = (void*) _dbus_string_get_const_data_len (str, pos, array_len);
+ if (new_pos)
+ *new_pos = pos + array_len;
+}
+
static void
swap_test_array (void *array,
int len_bytes,
dbus_uint16_t *v_ARRAY_UINT16;
dbus_int32_t *v_ARRAY_INT32;
dbus_uint32_t *v_ARRAY_UINT32;
- double *v_ARRAY_DOUBLE;
DBusString t;
double v_DOUBLE;
double t_DOUBLE;
projects / platform / upstream / dbus.git / blobdiff