diff options
Diffstat (limited to 'extmod')
| -rw-r--r-- | extmod/moductypes.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/extmod/moductypes.c b/extmod/moductypes.c index 6e4a94b60..48cbfad52 100644 --- a/extmod/moductypes.c +++ b/extmod/moductypes.c @@ -230,6 +230,9 @@ STATIC mp_uint_t uctypes_struct_size(mp_obj_t desc_in, int layout_type, mp_uint_ mp_uint_t offset = MP_OBJ_SMALL_INT_VALUE(v); mp_uint_t val_type = GET_TYPE(offset, VAL_TYPE_BITS); offset &= VALUE_MASK(VAL_TYPE_BITS); + if (val_type >= BFUINT8 && val_type <= BFINT32) { + offset &= (1 << OFFSET_BITS) - 1; + } mp_uint_t s = uctypes_struct_scalar_size(val_type); if (s > *max_field_size) { *max_field_size = s; |