diff options
Diffstat (limited to 'py')
| -rw-r--r-- | py/objarray.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/py/objarray.c b/py/objarray.c index be85674f8..16a4d4aac 100644 --- a/py/objarray.c +++ b/py/objarray.c @@ -220,6 +220,14 @@ STATIC mp_obj_t memoryview_make_new(const mp_obj_type_t *type_in, size_t n_args, bufinfo.len / mp_binary_get_size('@', bufinfo.typecode, NULL), bufinfo.buf)); + // If the input object is a memoryview then need to point the items of the + // new memoryview to the start of the buffer so the GC can trace it. + if (mp_obj_get_type(args[0]) == &mp_type_memoryview) { + mp_obj_array_t *other = MP_OBJ_TO_PTR(args[0]); + self->memview_offset = other->memview_offset; + self->items = other->items; + } + // test if the object can be written to if (mp_get_buffer(args[0], &bufinfo, MP_BUFFER_RW)) { self->typecode |= MP_OBJ_ARRAY_TYPECODE_FLAG_RW; // indicate writable buffer |