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| author | Dave Hylands | 2016-01-03 10:38:36 -0800 |
|---|---|---|
| committer | Paul Sokolovsky | 2016-01-10 23:31:26 +0200 |
| commit | 66d0c1052a4623ef91afe4c7b883b7f37a68fa2b (patch) | |
| tree | 1a0751eedf4e3ed60e78fd6803b842dccd5d9427 /extmod/moductypes.c | |
| parent | 8175877ad64a631e9ce0f9a5b66782d58ea5f48d (diff) | |
extmod: Fix uctypes size calculation for bitfields
Diffstat (limited to 'extmod/moductypes.c')
| -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; |