diff options
Diffstat (limited to 'dbus/dbus-signature.c')
| -rw-r--r-- | dbus/dbus-signature.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/dbus/dbus-signature.c b/dbus/dbus-signature.c index 698c21ed..7cbae7c2 100644 --- a/dbus/dbus-signature.c +++ b/dbus/dbus-signature.c @@ -262,6 +262,36 @@ dbus_type_is_basic (int typecode) return !(typecode == DBUS_TYPE_INVALID || TYPE_IS_CONTAINER (typecode)); } +/** + * Tells you whether values of this type can change length if you set + * them to some other value. For this purpose, you assume that the + * first byte of the old and new value would be in the same location, + * so alignment padding is not a factor. + * + * This function is useful to determine whether #dbus_message_iter_get_fixed_array + * may be used. + * + * @returns #FALSE if the type can occupy different lengths + */ +dbus_bool_t +dbus_type_is_fixed (int typecode) +{ + switch (typecode) + { + case DBUS_TYPE_BYTE: + case DBUS_TYPE_BOOLEAN: + case DBUS_TYPE_INT16: + case DBUS_TYPE_UINT16: + case DBUS_TYPE_INT32: + case DBUS_TYPE_UINT32: + case DBUS_TYPE_INT64: + case DBUS_TYPE_UINT64: + case DBUS_TYPE_DOUBLE: + return TRUE; + default: + return FALSE; + } +} #ifdef DBUS_BUILD_TESTS |